annotate libinterp/corefcn/oct-stream.cc @ 31606:dfa5d9c3ae72

maint: merge stable to default
author Rik <rik@octave.org>
date Thu, 01 Dec 2022 14:28:07 -0800
parents 2f08a53e0a23 e88a07dec498
children 23664317f0d3
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <cassert>
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31 #include <cctype>
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32 #include <cstring>
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33
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34 #include <algorithm>
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35 #include <deque>
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36 #include <fstream>
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37 #include <limits>
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38 #include <iomanip>
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39 #include <iostream>
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40 #include <sstream>
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41 #include <string>
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42
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43 #include "Array.h"
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44 #include "Cell.h"
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45 #include "byte-swap.h"
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46 #include "lo-ieee.h"
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47 #include "lo-mappers.h"
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48 #include "lo-utils.h"
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49 #include "oct-locbuf.h"
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50 #include "octave-preserve-stream-state.h"
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51 #include "quit.h"
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52 #include "str-vec.h"
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53 #include "strcase-wrappers.h"
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54
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55 #include "error.h"
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56 #include "errwarn.h"
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57 #include "input.h"
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58 #include "interpreter-private.h"
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59 #include "interpreter.h"
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60 #include "octave.h"
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61 #include "oct-iostrm.h"
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62 #include "oct-stdstrm.h"
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63 #include "oct-string.h"
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64 #include "oct-stream.h"
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65 #include "ov.h"
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66 #include "ovl.h"
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67 #include "pager.h"
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68 #include "utils.h"
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69
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70 OCTAVE_BEGIN_NAMESPACE(octave)
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71
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72 // Programming Note: There are two very different error functions used
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73 // in the stream code. When invoked with "error (...)" the member
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74 // function from stream or base_stream is called. This
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75 // function sets the error state on the stream AND returns control to
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76 // the caller. The caller must then return a value at the end of the
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77 // function. When invoked with "::error (...)" the exception-based
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78 // error function from error.h is used. This function will throw an
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79 // exception and not return control to the caller. BE CAREFUL and
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80 // invoke the correct error function!
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81
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82 // Possible values for conv_err:
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83 //
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84 // 1 : not a real scalar
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85 // 2 : value is NaN
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86 // 3 : value is not an integer
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87
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88 static int
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89 convert_to_valid_int (const octave_value& tc, int& conv_err)
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90 {
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91 conv_err = 0;
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92
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93 int retval = 0;
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94
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95 double dval = 0.0;
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96
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97 try
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98 {
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99 dval = tc.double_value ();
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100 }
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101 catch (const execution_exception&)
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102 {
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103 interpreter& interp = __get_interpreter__ ();
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104
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105 interp.recover_from_exception ();
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106
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107 conv_err = 1;
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108 }
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109
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110 if (! conv_err)
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111 {
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112 if (! lo_ieee_isnan (dval))
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113 {
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114 int ival = math::nint (dval);
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115
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116 if (ival == dval)
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117 retval = ival;
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118 else
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119 conv_err = 3;
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120 }
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121 else
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122 conv_err = 2;
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123 }
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124
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125 return retval;
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126 }
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127
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128 static octave_idx_type
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129 get_size (double d, const std::string& who)
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130 {
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131 octave_idx_type retval = -1;
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132
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133 if (lo_ieee_isnan (d))
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134 ::error ("%s: NaN invalid as size specification", who.c_str ());
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135
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136 if (math::isinf (d))
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137 retval = -1;
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138 else
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139 {
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140 if (d < 0.0)
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141 ::error ("%s: negative value invalid as size specification",
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142 who.c_str ());
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143
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144 static const double out_of_range_top
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145 = static_cast<double> (std::numeric_limits<octave_idx_type>::max ())
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146 + 1.;
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147 if (d >= out_of_range_top)
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148 ::error ("%s: dimension too large for Octave's index type",
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149 who.c_str ());
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150
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151 retval = math::nint_big (d);
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152 }
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153
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154 return retval;
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155 }
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156
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157 static void
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158 get_size (const Array<double>& size,
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159 octave_idx_type& nr, octave_idx_type& nc,
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160 bool& one_elt_size_spec, const std::string& who)
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161 {
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162 nr = -1;
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163 nc = -1;
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164
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165 one_elt_size_spec = false;
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166
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167 double dnr = -1.0;
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168 double dnc = -1.0;
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169
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170 octave_idx_type sz_len = size.numel ();
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171
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172 if (sz_len == 1)
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173 {
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174 one_elt_size_spec = true;
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175
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176 dnr = size(0);
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177
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178 dnc = (dnr == 0.0) ? 0.0 : 1.0;
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179 }
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180 else if (sz_len == 2)
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181 {
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182 dnr = size(0);
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183
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184 if (math::isinf (dnr))
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185 ::error ("%s: infinite value invalid as size specification",
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186 who.c_str ());
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187
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188 dnc = size(1);
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189 }
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190 else
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191 ::error ("%s: invalid size specification (must be 2-D)", who.c_str ());
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192
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193 nr = get_size (dnr, who);
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194
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195 if (dnc >= 0.0)
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196 {
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197 nc = get_size (dnc, who);
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198
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199 // Check for overflow.
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200 if (nr > 0 && nc > 0
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201 && nc > std::numeric_limits<octave_idx_type>::max () / nr)
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202 ::error ("%s: size too large for Octave's index type", who.c_str ());
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203 }
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204 }
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205
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206 static std::string
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207 expand_char_class (const std::string& s)
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208 {
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209 std::string retval;
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210
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211 std::size_t len = s.length ();
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212
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213 std::size_t i = 0;
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214
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215 while (i < len)
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216 {
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217 unsigned char c = s[i++];
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218
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219 if (c == '-' && i > 1 && i < len
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220 && ( static_cast<unsigned char> (s[i-2])
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221 <= static_cast<unsigned char> (s[i])))
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222 {
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223 // Add all characters from the range except the first (we
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224 // already added it below).
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225
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226 for (c = s[i-2]+1; c < s[i]; c++)
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227 retval += c;
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228 }
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229 else
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230 {
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231 // Add the character to the class. Only add '-' if it is
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232 // the last character in the class.
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233
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234 if (c != '-' || i == len)
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235 retval += c;
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236 }
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237 }
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238
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239 return retval;
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240 }
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241
23059
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242 class
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243 scanf_format_elt
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244 {
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245 public:
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246
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247 enum special_conversion
25103
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248 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
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249 whitespace_conversion = 1,
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250 literal_conversion = 2,
078b795c5219 maint: style check C++ ahead of 4.4 release.
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251 null = 3
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252 };
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253
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254 scanf_format_elt (const std::string& txt = "", int w = 0, bool d = false,
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255 char typ = '\0', char mod = '\0',
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256 const std::string& ch_class = "")
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257 : text (txt), width (w), discard (d), type (typ),
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258 modifier (mod), char_class (ch_class)
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259 { }
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260
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261 scanf_format_elt (const scanf_format_elt&) = default;
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262
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263 scanf_format_elt& operator = (const scanf_format_elt&) = default;
24753
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264
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265 ~scanf_format_elt (void) = default;
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266
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267 // The C-style format string.
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268 std::string text;
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269
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270 // The maximum field width.
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271 int width;
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272
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273 // TRUE if we are not storing the result of this conversion.
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274 bool discard;
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275
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276 // Type of conversion -- 'd', 'i', 'o', 'u', 'x', 'e', 'f', 'g',
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277 // 'c', 's', 'p', '%', or '['.
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diff changeset
278 char type;
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279
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280 // A length modifier -- 'h', 'l', or 'L'.
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281 char modifier;
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282
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283 // The class of characters in a '[' format.
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284 std::string char_class;
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285 };
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286
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287 class
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288 scanf_format_list
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289 {
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290 public:
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291
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diff changeset
292 scanf_format_list (const std::string& fmt = "");
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293
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294 // No copying!
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295
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diff changeset
296 scanf_format_list (const scanf_format_list&) = delete;
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297
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298 scanf_format_list& operator = (const scanf_format_list&) = delete;
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299
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300 ~scanf_format_list (void);
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301
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302 octave_idx_type num_conversions (void) { return m_nconv; }
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303
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304 // The length can be different than the number of conversions.
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305 // For example, "x %d y %d z" has 2 conversions but the length of
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306 // the list is 3 because of the characters that appear after the
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307 // last conversion.
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308
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309 std::size_t length (void) const { return m_fmt_elts.size (); }
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310
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311 const scanf_format_elt * first (void)
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312 {
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313 m_curr_idx = 0;
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314 return current ();
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315 }
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316
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317 const scanf_format_elt * current (void) const
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318 {
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319 return length () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
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320 }
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321
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322 const scanf_format_elt * next (bool cycle = true)
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323 {
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324 static scanf_format_elt dummy
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
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325 ("", 0, false, scanf_format_elt::null, '\0', "");
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326
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327 m_curr_idx++;
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328
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329 if (m_curr_idx >= length ())
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330 {
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331 if (cycle)
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332 m_curr_idx = 0;
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333 else
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334 return &dummy;
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335 }
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336
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337 return current ();
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338 }
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339
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340 void printme (void) const;
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341
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342 bool ok (void) const { return (m_nconv >= 0); }
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343
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344 operator bool () const { return ok (); }
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345
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346 bool all_character_conversions (void);
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347
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348 bool all_numeric_conversions (void);
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349
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350 private:
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351
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352 void add_elt_to_list (int width, bool discard, char type, char modifier,
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353 const std::string& char_class = "");
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354
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
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diff changeset
355 void process_conversion (const std::string& s, std::size_t& i,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
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356 std::size_t n, int& width, bool& discard,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
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diff changeset
357 char& type, char& modifier);
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358
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diff changeset
359 int finish_conversion (const std::string& s, std::size_t& i, std::size_t n,
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
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diff changeset
360 int width, bool discard, char& type,
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diff changeset
361 char modifier);
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362
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363 //--------
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364
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365 // Number of conversions specified by this format string, or -1 if
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366 // invalid conversions have been found.
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367 octave_idx_type m_nconv;
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diff changeset
368
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diff changeset
369 // Index to current element;
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diff changeset
370 std::size_t m_curr_idx;
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diff changeset
371
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diff changeset
372 // List of format elements.
30390
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diff changeset
373 std::deque<scanf_format_elt *> m_fmt_elts;
30166
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diff changeset
374
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diff changeset
375 // Temporary buffer.
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diff changeset
376 std::ostringstream m_buf;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
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diff changeset
377
23059
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diff changeset
378 };
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diff changeset
379
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diff changeset
380 scanf_format_list::scanf_format_list (const std::string& s)
30166
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diff changeset
381 : m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
23059
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382 {
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diff changeset
383 std::size_t n = s.length ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
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diff changeset
384
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
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diff changeset
385 std::size_t i = 0;
23059
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diff changeset
386
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diff changeset
387 int width = 0;
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diff changeset
388 bool discard = false;
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diff changeset
389 char modifier = '\0';
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diff changeset
390 char type = '\0';
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diff changeset
391
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diff changeset
392 bool have_more = true;
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diff changeset
393
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diff changeset
394 while (i < n)
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diff changeset
395 {
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diff changeset
396 have_more = true;
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diff changeset
397
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diff changeset
398 if (s[i] == '%')
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diff changeset
399 {
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diff changeset
400 // Process percent-escape conversion type.
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diff changeset
401
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diff changeset
402 process_conversion (s, i, n, width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
403
30166
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diff changeset
404 have_more = (m_buf.tellp () != 0);
23059
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diff changeset
405 }
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John W. Eaton <jwe@octave.org>
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diff changeset
406 else if (isspace (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
407 {
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
408 type = scanf_format_elt::whitespace_conversion;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
409
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
410 width = 0;
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John W. Eaton <jwe@octave.org>
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diff changeset
411 discard = false;
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John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
412 modifier = '\0';
30166
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Rik <rik@octave.org>
parents: 30120
diff changeset
413 m_buf << ' ';
23059
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diff changeset
414
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
415 while (++i < n && isspace (s[i]))
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John W. Eaton <jwe@octave.org>
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diff changeset
416 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
417
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
418 add_elt_to_list (width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
419
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diff changeset
420 have_more = false;
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diff changeset
421 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
422 else
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diff changeset
423 {
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diff changeset
424 type = scanf_format_elt::literal_conversion;
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John W. Eaton <jwe@octave.org>
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diff changeset
425
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
426 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
427 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
428 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
429
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
430 while (i < n && ! isspace (s[i]) && s[i] != '%')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
431 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
432
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
433 add_elt_to_list (width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
434
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
435 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
436 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
437
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
438 if (m_nconv < 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
439 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
440 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
441 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
442 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
443 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
444
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
445 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
446 add_elt_to_list (width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
447
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
448 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
449 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
450 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
451
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
452 scanf_format_list::~scanf_format_list (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
453 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
454 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
455
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
456 for (std::size_t i = 0; i < n; i++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
457 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
458 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
459 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
460 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
461 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
462
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
463 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
464 scanf_format_list::add_elt_to_list (int width, bool discard, char type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
465 char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
466 const std::string& char_class)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
467 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
468 std::string text = m_buf.str ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
469
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
470 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
471 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
472 scanf_format_elt *elt
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
473 = new scanf_format_elt (text, width, discard, type,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
474 modifier, char_class);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
475
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
476 m_fmt_elts.push_back (elt);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
477 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
478
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
479 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
480 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
481 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
482
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
483 void
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
484 scanf_format_list::process_conversion (const std::string& s, std::size_t& i,
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
485 std::size_t n, int& width,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
486 bool& discard, char& type,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
487 char& modifier)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
488 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
489 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
490 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
491 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
492 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
493
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
494 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
495
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
496 bool have_width = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
497
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
498 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
499 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
500 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
501 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
502 case '*':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
503 if (discard)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
504 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
505 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
506 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
507 discard = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
508 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
509 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
510 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
511
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
512 case '0': case '1': case '2': case '3': case '4':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
513 case '5': case '6': case '7': case '8': case '9':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
514 if (have_width)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
515 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
516 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
517 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
518 char c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
519 width = 10 * width + c - '0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
520 have_width = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
521 m_buf << c;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
522 while (i < n && isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
523 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
524 c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
525 width = 10 * width + c - '0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
526 m_buf << c;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
527 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
528 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
529 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
530
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
531 case 'h': case 'l': case 'L':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
532 if (modifier != '\0')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
533 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
534 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
535 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
536 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
537
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
538 // We accept X for compatibility with undocumented Matlab behavior.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
539 case 'd': case 'i': case 'o': case 'u': case 'x':
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
540 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
541 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
542 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
543 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
544 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
545 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
546 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
547
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
548 // We accept E and G for compatibility with undocumented
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
549 // Matlab behavior.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
550 case 'e': case 'f': case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
551 case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
552 if (modifier == 'h')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
553 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
554 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
555 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
556 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
557
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
558 // No float or long double conversions, thanks.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
559 m_buf << 'l';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
560
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
561 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
562
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
563 case 'c': case 's': case 'p': case '%': case '[':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
564 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
565 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
566 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
567 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
568 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
569 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
570
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
571 fini:
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
572 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
573 if (finish_conversion (s, i, n, width, discard,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
574 type, modifier) == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
575 return;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
576 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
577 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
578
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
579 default:
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
580 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
581 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
582 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
583
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
584 if (m_nconv < 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
585 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
586 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
587
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
588 m_nconv = -1;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
589 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
590
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
591 int
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
592 scanf_format_list::finish_conversion (const std::string& s, std::size_t& i,
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
593 std::size_t n, int width, bool discard,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
594 char& type, char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
595 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
596 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
597
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
598 std::string char_class;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
599
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
600 std::size_t beg_idx = std::string::npos;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
601 std::size_t end_idx = std::string::npos;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
602
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
603 if (s[i] == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
604 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
605 type = '%';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
606 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
607 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
608 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
609 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
610 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
611
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
612 if (s[i] == '[')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
613 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
614 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
615
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
616 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
617 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
618 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
619
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
620 if (s[i] == '^')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
621 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
622 type = '^';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
623 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
624
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
625 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
626 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
627 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
628
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
629 if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
630 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
631 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
632 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
633 else if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
634 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
635 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
636
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
637 while (i < n && s[i] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
638 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
639
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
640 if (i < n && s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
641 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
642 end_idx = i-1;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
643 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
644 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
645
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
646 if (s[i-1] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
647 retval = m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
648 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
649 else
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
650 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
651
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
652 m_nconv++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
653 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
654
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
655 if (m_nconv >= 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
656 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
657 if (beg_idx != std::string::npos && end_idx != std::string::npos)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
658 char_class = expand_char_class (s.substr (beg_idx,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
659 end_idx - beg_idx + 1));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
660
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
661 add_elt_to_list (width, discard, type, modifier, char_class);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
662 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
663
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
664 return retval;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
665 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
666
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
667 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
668 scanf_format_list::printme (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
669 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
670 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
671
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
672 for (std::size_t i = 0; i < n; i++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
673 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
674 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
676 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
677 << "width: " << elt->width << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
678 << "discard: " << elt->discard << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
679 << "type: ";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
680
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
681 if (elt->type == scanf_format_elt::literal_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
682 std::cerr << "literal text\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
683 else if (elt->type == scanf_format_elt::whitespace_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
684 std::cerr << "whitespace\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
685 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
686 std::cerr << elt->type << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
687
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
688 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
689 << "modifier: " << elt->modifier << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
690 << "char_class: '" << undo_string_escapes (elt->char_class) << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
691 << "text: '" << undo_string_escapes (elt->text) << "'\n\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
692 }
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
693 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
694
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
695 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
696 scanf_format_list::all_character_conversions (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
697 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
698 std::size_t n = m_fmt_elts.size ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
699
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
700 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
701 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
702 for (std::size_t i = 0; i < n; i++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
703 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
704 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
705
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
706 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
707 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
708 case 'c': case 's': case '%': case '[': case '^':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
709 case scanf_format_elt::literal_conversion:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
710 case scanf_format_elt::whitespace_conversion:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
711 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
712
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
713 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
714 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
715 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
716 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
717 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
718
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
719 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
720 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
721 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
722 return false;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
723 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
724
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
725 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
726 scanf_format_list::all_numeric_conversions (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
727 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
728 std::size_t n = m_fmt_elts.size ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
729
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
730 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
731 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
732 for (std::size_t i = 0; i < n; i++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
733 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
734 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
735
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
736 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
737 {
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
738 case 'd': case 'i': case 'o': case 'u': case 'x': case 'X':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
739 case 'e': case 'f': case 'g': case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
740 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
741
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
742 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
743 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
744 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
745 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
746 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
747
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
748 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
749 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
750 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
751 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
752 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
753
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
754 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
755 printf_format_elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
756 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
757 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
758
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
759 printf_format_elt (const std::string& txt = "", int n = 0, int w = -1,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
760 int p = -1, const std::string& f = "",
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
761 char typ = '\0', char mod = '\0')
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
762 : text (txt), args (n), fw (w), prec (p), flags (f),
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
763 type (typ), modifier (mod)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
764 { }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
765
24991
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
766 printf_format_elt (const printf_format_elt&) = default;
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
767
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
768 printf_format_elt& operator = (const printf_format_elt&) = default;
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
769
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
770 ~printf_format_elt (void) = default;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
771
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
772 // The C-style format string.
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
773 std::string text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
774
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
775 // How many args do we expect to consume?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
776 int args;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
777
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
778 // Field width.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
779 int fw;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
780
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
781 // Precision.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
782 int prec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
783
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
784 // Flags -- '-', '+', ' ', '0', or '#'.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
785 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
786
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
787 // Type of conversion -- 'd', 'i', 'o', 'x', 'X', 'u', 'c', 's',
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
788 // 'f', 'e', 'E', 'g', 'G', 'p', or '%'
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
789 char type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
790
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
791 // A length modifier -- 'h', 'l', or 'L'.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
792 char modifier;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
793 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
794
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
795 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
796 printf_format_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
797 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
798 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
799
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
800 printf_format_list (const std::string& fmt = "");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
801
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
802 // No copying!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
803
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
804 printf_format_list (const printf_format_list&) = delete;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
805
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
806 printf_format_list& operator = (const printf_format_list&) = delete;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
807
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
808 ~printf_format_list (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
809
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
810 octave_idx_type num_conversions (void) { return m_nconv; }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
811
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
812 const printf_format_elt * first (void)
4223
5ebaf7eee36e [project @ 2002-12-17 23:54:34 by jwe]
jwe
parents: 4153
diff changeset
813 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
814 m_curr_idx = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
815 return current ();
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
816 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
817
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
818 const printf_format_elt * current (void) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
819 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
820 return length () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
821 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
822
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
823 std::size_t length (void) const { return m_fmt_elts.size (); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
824
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
825 const printf_format_elt * next (bool cycle = true)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
826 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
827 m_curr_idx++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
828
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
829 if (m_curr_idx >= length ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
830 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
831 if (cycle)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
832 m_curr_idx = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
833 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
834 return nullptr;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
835 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
836
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
837 return current ();
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
838 }
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
839
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
840 bool last_elt_p (void) { return (m_curr_idx + 1 == length ()); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
841
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
842 void printme (void) const;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
843
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
844 bool ok (void) const { return (m_nconv >= 0); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
845
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
846 operator bool () const { return ok (); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
847
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
848 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
849
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
850 void add_elt_to_list (int args, const std::string& flags, int fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
851 int prec, char type, char modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
852
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
853 void process_conversion (const std::string& s, std::size_t& i,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
854 std::size_t n,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
855 int& args, std::string& flags, int& fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
856 int& prec, char& modifier, char& type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
857
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
858 void finish_conversion (const std::string& s, std::size_t& i, int args,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
859 const std::string& flags, int fw, int prec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
860 char modifier, char& type);
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
861
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
862 //--------
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
863
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
864 // Number of conversions specified by this format string, or -1 if
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
865 // invalid conversions have been found.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
866 octave_idx_type m_nconv;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
867
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
868 // Index to current element;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
869 std::size_t m_curr_idx;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
870
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
871 // List of format elements.
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
872 std::deque<printf_format_elt *> m_fmt_elts;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
873
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
874 // Temporary buffer.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
875 std::ostringstream m_buf;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
876
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
877 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
878
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
879 printf_format_list::printf_format_list (const std::string& s)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
880 : m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
881 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
882 std::size_t n = s.length ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
883
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
884 std::size_t i = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
885
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
886 int args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
887 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
888 int fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
889 int prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
890 char modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
891 char type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
892
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
893 bool have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
894 bool empty_buf = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
895
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
896 if (n == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
897 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
898 printf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
899 = new printf_format_elt ("", args, fw, prec, flags, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
900
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
901 m_fmt_elts.push_back (elt);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
902 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
903 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
904 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
905 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
906 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
907 have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
908
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
909 empty_buf = (m_buf.tellp () == 0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
910
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
911 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
912 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
913 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
914 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
915 if (empty_buf)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
916 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
917 process_conversion (s, i, n, args, flags, fw, prec,
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
918 modifier, type);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
919
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
920 // If there is nothing in the buffer, then
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
921 // add_elt_to_list must have just been called, so we
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
922 // are already done with the current element and we
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
923 // don't need to call add_elt_to_list if this is our
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
924 // last trip through the loop.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
925
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
926 have_more = (m_buf.tellp () != 0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
927 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
928 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
929 add_elt_to_list (args, flags, fw, prec, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
930 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
931 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
932
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
933 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
934 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
935 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
936 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
937 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
938 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
939 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
940 type = '\0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
941 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
942 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
943 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
944 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
945
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
946 if (m_nconv < 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
947 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
948 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
949 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
950 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
951 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
952
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
953 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
954 add_elt_to_list (args, flags, fw, prec, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
955
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
956 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
957 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
958 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
959 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
960
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
961 printf_format_list::~printf_format_list (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
962 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
963 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
964
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
965 for (std::size_t i = 0; i < n; i++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
966 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
967 printf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
968 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
969 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
970 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
971
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
972 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
973 printf_format_list::add_elt_to_list (int args, const std::string& flags,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
974 int fw, int prec, char type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
975 char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
976 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
977 std::string text = m_buf.str ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
978
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
979 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
980 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
981 printf_format_elt *elt
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
982 = new printf_format_elt (text, args, fw, prec, flags,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
983 type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
984
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
985 m_fmt_elts.push_back (elt);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
986 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
987
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
988 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
989 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
990 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
991
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
992 void
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
993 printf_format_list::process_conversion (const std::string& s, std::size_t& i,
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
994 std::size_t n, int& args,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
995 std::string& flags, int& fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
996 int& prec, char& modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
997 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
998 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
999 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1000 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1001 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1002 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1003 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1004 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1005
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1006 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1007
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1008 bool nxt = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1009
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1010 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1011 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1012 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1013 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1014 case '-': case '+': case ' ': case '0': case '#':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1015 flags += s[i];
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1016 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1017 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1018
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1019 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1020 nxt = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1021 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1022 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1023
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1024 if (nxt)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
1025 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1026 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1027
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1028 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1029 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1030 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1031 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1032 fw = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1033 args++;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1034 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1035 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1036 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1037 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1038 if (isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1039 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1040 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1041 std::string tmp = s.substr (i);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1042 sscanf (tmp.c_str (), "%d%n", &fw, &nn);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1043 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1044
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1045 while (i < n && isdigit (s[i]))
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1046 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1047 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1048 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1049
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1050 if (i < n && s[i] == '.')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1051 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1052 // nothing before the . means 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1053 if (fw == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1054 fw = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1055
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1056 // . followed by nothing is 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1057 prec = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1058
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1059 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1060
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1061 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1062 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1063 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1064 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1065 prec = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1066 args++;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1067 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1068 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1069 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1070 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1071 if (isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1072 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1073 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1074 std::string tmp = s.substr (i);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1075 sscanf (tmp.c_str (), "%d%n", &prec, &nn);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1076 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1077
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1078 while (i < n && isdigit (s[i]))
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1079 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1080 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1081 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1082 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1083
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1084 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1085 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1086 // Accept and record modifier, but don't place it in the format
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1087 // item text. All integer conversions are handled as 64-bit
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1088 // integers.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1089
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1090 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1091 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1092 case 'h': case 'l': case 'L':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1093 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1094 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1095
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1096 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1097 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1098 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1099 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1100
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1101 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1102 finish_conversion (s, i, args, flags, fw, prec, modifier, type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1103 else
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1104 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1105 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1106
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1107 void
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1108 printf_format_list::finish_conversion (const std::string& s, std::size_t& i,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1109 int args, const std::string& flags,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1110 int fw, int prec, char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1111 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1112 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1113 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1114 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1115 case 'd': case 'i': case 'o': case 'x': case 'X':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1116 case 'u': case 'c':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1117 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1118 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1119 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1120 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1121 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1122 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1123
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1124 case 'f': case 'e': case 'E': case 'g': case 'G':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1125 if (modifier == 'h' || modifier == 'l')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1126 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1127 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1128 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1129 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1130 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1131
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1132 case 's': case 'p': case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1133 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1134 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1135 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1136 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1137 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1138 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1139
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1140 fini:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1141
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1142 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1143
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1144 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1145
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1146 if (type != '%' || args != 0)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1147 m_nconv++;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1149 if (type != '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1150 args++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1151
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1152 add_elt_to_list (args, flags, fw, prec, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1153
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1154 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1155
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1156 default:
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1157 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1158 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1159 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1160 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1161
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1162 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1163 printf_format_list::printme (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1164 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1165 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1166
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1167 for (std::size_t i = 0; i < n; i++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1168 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1169 printf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1170
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1171 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1172 << "args: " << elt->args << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1173 << "flags: '" << elt->flags << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1174 << "width: " << elt->fw << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1175 << "prec: " << elt->prec << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1176 << "type: '" << elt->type << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1177 << "modifier: '" << elt->modifier << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1178 << "text: '" << undo_string_escapes (elt->text) << "'\n\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1179 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1180 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1181
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1182 // Calculate x^n. Used for ...e+nn so that, for example, 1e2 is
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1183 // exactly 100 and 5e-1 is 1/2
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1184
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1185 static double
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1186 pown (double x, unsigned int n)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1187 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1188 double retval = 1;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1189
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1190 for (unsigned int d = n; d; d >>= 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1191 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1192 if (d & 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1193 retval *= x;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1194 x *= x;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1195 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1196
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1197 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1198 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1199
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1200 static Cell
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1201 init_inf_nan (void)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1202 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1203 Cell retval (dim_vector (1, 2));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1204
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1205 retval(0) = Cell (octave_value ("inf"));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1206 retval(1) = Cell (octave_value ("nan"));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1207
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1208 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1209 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1210
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1211 // Delimited stream, optimized to read strings of characters separated
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1212 // by single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1213 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1214 // The reason behind this class is that octstream doesn't provide
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1215 // seek/tell, but the opportunity has been taken to optimise for the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1216 // textscan workload.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1217 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1218 // The function reads chunks into a 4kiB buffer, and marks where the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1219 // last delimiter occurs. Reads up to this delimiter can be fast.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1220 // After that last delimiter, the remaining text is moved to the front
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1221 // of the buffer and the buffer is refilled. This also allows cheap
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1222 // seek and tell operations within a "fast read" block.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1223
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1224 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1225 delimited_stream
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1226 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1227 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1228
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1229 delimited_stream (std::istream& is, const std::string& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1230 int longest_lookahead, octave_idx_type bsize = 4096);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1231
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1232 delimited_stream (std::istream& is, const delimited_stream& ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1233
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1234 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1235
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1236 delimited_stream (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1237
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1238 delimited_stream& operator = (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1239
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1240 ~delimited_stream (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1241
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1242 // Called when optimized sequence of get is finished. Ensures that
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1243 // there is a remaining delimiter in buf, or loads more data in.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1244 void field_done (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1245 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1246 if (m_idx >= m_last)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1247 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1248 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1249
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1250 // Load new data into buffer, and set eob, last, idx.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1251 // Return EOF at end of file, 0 otherwise.
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1252 int refresh_buf (bool initialize = false);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1253
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1254 // Get a character, relying on caller to call field_done if
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1255 // a delimiter has been reached.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1256 int get (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1257 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1258 if (m_delimited)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1259 return eof () ? std::istream::traits_type::eof () : *m_idx++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1260 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1261 return get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1262 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1263
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1264 // Get a character, checking for underrun of the buffer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1265 int get_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1266
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1267 // Read character that will be got by the next get.
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
1268 // FIXME: This will not set EOF if delimited stream is at EOF and a peek
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
1269 // is attempted. This does *NOT* behave like C++ input stream.
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
1270 // For a compatible peek function, use peek_undelim. See bug #56917.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1271 int peek (void)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1272 { return eof () ? std::istream::traits_type::eof () : *m_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1273
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1274 // Read character that will be got by the next get.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1275 int peek_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1276
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1277 // Undo a 'get' or 'get_undelim'. It is the caller's responsibility
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1278 // to avoid overflow by calling putbacks only for a character got by
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1279 // get() or get_undelim(), with no intervening
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1280 // get, get_delim, field_done, refresh_buf, getline, read or seekg.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1281 void putback (char /*ch*/ = 0) { if (! eof ()) --m_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1282
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1283 int getline (std::string& dest, char delim);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1284
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1285 // int skipline (char delim);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1286
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1287 char * read (char *buffer, int size, char* &new_start);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1288
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1289 // Return a position suitable to "seekg", valid only within this
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1290 // block between calls to field_done.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1291 char * tellg (void) { return m_idx; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1292
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1293 void seekg (char *old_idx) { m_idx = old_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1294
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1295 bool eof (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1296 {
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1297 return (m_eob == m_buf + m_overlap && m_i_stream.eof ())
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1298 || (m_flags & std::ios_base::eofbit);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1299 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1300
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1301 operator const void* (void)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1302 { return (! eof () && ! m_flags) ? this : nullptr; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1303
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1304 bool fail (void) { return m_flags & std::ios_base::failbit; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1305
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1306 std::ios_base::iostate rdstate (void) { return m_flags; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1307
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1308 void setstate (std::ios_base::iostate m) { m_flags = m_flags | m; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1309
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1310 void clear (std::ios_base::iostate m
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1311 = (std::ios_base::eofbit & ~std::ios_base::eofbit))
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1312 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1313 m_flags = m_flags & m;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1314 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1315
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1316 // Report if any characters have been consumed.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1317 // (get, read, etc. not cancelled by putback or seekg)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1318
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1319 void progress_benchmark (void) { m_progress_marker = m_idx; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1320
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1321 bool no_progress (void) { return m_progress_marker == m_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1322
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1323 // Number of characters remaining until end of stream if it is already
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1324 // buffered. int_max otherwise.
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1325
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1326 std::ptrdiff_t remaining (void)
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1327 {
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1328 if (m_eob < m_buf + m_bufsize)
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1329 return m_eob - m_idx;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1330 else
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1331 return std::numeric_limits<std::ptrdiff_t>::max ();
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1332 }
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1333
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1334 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1335
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1336 // Number of characters to read from the file at once.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1337 int m_bufsize;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1338
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1339 // Stream to read from.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1340 std::istream& m_i_stream;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1341
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1342 // Temporary storage for a "chunk" of data.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1343 char *m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1344
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1345 // Current read pointer.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1346 char *m_idx;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1347
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1348 // Location of last delimiter in the buffer at buf (undefined if
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1349 // delimited is false).
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1350 char *m_last;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1351
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1352 // Position after last character in buffer.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1353 char *m_eob;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1354
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1355 // Overlap with old content when refreshing buffer.
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1356 std::ptrdiff_t m_overlap;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1357
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26640
diff changeset
1358 // True if there is delimiter in the buffer after idx.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1359 bool m_delimited;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1360
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1361 // Longest lookahead required.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1362 int m_longest;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1363
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1364 // Sequence of single-character delimiters.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1365 const std::string m_delims;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1366
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1367 // Position of start of buf in original stream.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1368 std::streampos m_buf_in_file;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1369
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1370 // Marker to see if a read consumes any characters.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1371 char *m_progress_marker;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1372
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1373 std::ios_base::iostate m_flags;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1374 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1375
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1376 // Create a delimited stream, reading from is, with delimiters delims,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1377 // and allowing reading of up to tellg + longest_lookeahead. When is
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1378 // is at EOF, lookahead may be padded by ASCII nuls.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1379
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1380 delimited_stream::delimited_stream (std::istream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1381 const std::string& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1382 int longest_lookahead,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1383 octave_idx_type bsize)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1384 : m_bufsize (bsize), m_i_stream (is), m_longest (longest_lookahead),
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1385 m_delims (delimiters),
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1386 m_flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1387 {
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1388 m_buf = new char[m_bufsize];
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1389 m_eob = m_buf + m_bufsize;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1390 m_idx = m_eob; // refresh_buf shouldn't try to copy old data
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1391 m_progress_marker = m_idx;
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1392 refresh_buf (true); // load the first batch of data
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1393 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1394
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1395 // Used to create a stream from a strstream from data read from a dstr.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1396 delimited_stream::delimited_stream (std::istream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1397 const delimited_stream& ds)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1398 : delimited_stream (is, ds.m_delims, ds.m_longest, ds.m_bufsize)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1399 { }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1400
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1401 delimited_stream::~delimited_stream (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1402 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1403 // Seek to the correct position in i_stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1404 if (! eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1405 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1406 m_i_stream.clear ();
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1407 m_i_stream.seekg (m_buf_in_file);
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1408 m_i_stream.read (m_buf, m_idx - m_buf - m_overlap);
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1409 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1410
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1411 delete [] m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1412 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1413
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1414 // Read a character from the buffer, refilling the buffer from the file
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1415 // if necessary.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1416
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1417 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1418 delimited_stream::get_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1419 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1420 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1421 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1422 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1423 setstate (std::ios_base::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1424 return std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1425 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1426
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1427 if (m_idx < m_eob)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1428 retval = *m_idx++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1429 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1430 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1431 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1432
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1433 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1434 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1435 setstate (std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1436 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1437 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1438 else
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1439 retval = *m_idx++;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1440 }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1441
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1442 if (m_idx >= m_last)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1443 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1444
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1445 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1446 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1447
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1448 // Return the next character to be read without incrementing the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1449 // pointer, refilling the buffer from the file if necessary.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1450
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1451 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1452 delimited_stream::peek_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1453 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1454 int retval = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1455 putback ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1456
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1457 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1458 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1459
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1460 // Copy remaining unprocessed data to the start of the buffer and load
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1461 // new data to fill it. Return EOF if the file is at EOF before
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1462 // reading any data and all of the data that has been read has been
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1463 // processed.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1464
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1465 int
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1466 delimited_stream::refresh_buf (bool initialize)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1467 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1468 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1469 return std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1470
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1471 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1472
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1473 if (m_eob < m_idx)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1474 m_idx = m_eob;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1475
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1476 std::size_t old_remaining = m_eob - m_idx;
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1477 std::size_t old_overlap = 0;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1478
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1479 if (initialize || (m_idx - m_buf <= 0))
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1480 m_overlap = 0;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1481 else
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1482 {
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1483 old_overlap = m_overlap;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1484 // Retain the last 25 bytes in the buffer. That should be more than enough
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1485 // to putback an entire double precision floating point number in decimal
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1486 // including 3 digit exponent and signs. Do we ever need to putback more
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1487 // than that?
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1488 m_overlap = 25;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1489 // Assure we don't "underflow" with the overlap
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1490 m_overlap = std::min (m_overlap, m_idx - m_buf - 1);
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1491 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1492
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1493 octave_quit (); // allow ctrl-C
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1494
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1495 if (old_remaining + m_overlap > 0)
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1496 {
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1497 m_buf_in_file += (m_idx - old_overlap - m_buf);
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1498 std::memmove (m_buf, m_idx - m_overlap, m_overlap + old_remaining);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1499 }
24175
fadab2fc567f Properly restore the input stream pointer at end of textscan (bug #52116 et al.)
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 23219
diff changeset
1500 else
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1501 m_buf_in_file = m_i_stream.tellg (); // record for destructor
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1502
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1503 // where original idx would have been
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1504 m_progress_marker -= m_idx - m_overlap - m_buf;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1505 m_idx = m_buf + m_overlap;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1506
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1507 int gcount; // chars read
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1508 if (! m_i_stream.eof ())
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1509 {
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1510 m_i_stream.read (m_buf + m_overlap + old_remaining,
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1511 m_bufsize - m_overlap - old_remaining);
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1512 gcount = m_i_stream.gcount ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1513 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1514 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1515 gcount = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1516
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1517 m_eob = m_buf + m_overlap + old_remaining + gcount;
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1518 m_last = m_eob;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1519 if (gcount == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1520 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1521 m_delimited = false;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1522
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1523 if (m_eob != m_buf + m_overlap)
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1524 // no more data in file, but still some to go
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1525 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1526 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1527 // file and buffer are both done.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1528 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1529 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1530 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1531 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1532 m_delimited = true;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1533
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1534 for (m_last = m_eob - m_longest; m_last - m_buf - m_overlap >= 0;
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1535 m_last--)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1536 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1537 if (m_delims.find (*m_last) != std::string::npos)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1538 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1539 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1540
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1541 if (m_last < m_buf + m_overlap)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1542 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1543
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1544 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1545 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1546
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1547 // Ensure fast peek doesn't give valid char
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1548 if (retval == std::istream::traits_type::eof ())
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1549 *m_idx = '\0'; // FIXME: check that no TreatAsEmpty etc starts w. \0?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1550
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1551 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1552 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1553
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1554 // Return a pointer to a block of data of size size, assuming that a
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1555 // sufficiently large buffer is available in buffer, if required.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1556 // If called when delimited == true, and size is no greater than
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1557 // longest_lookahead then this will not call refresh_buf, so seekg
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1558 // still works. Otherwise, seekg may be invalidated.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1559
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1560 char *
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1561 delimited_stream::read (char *buffer, int size, char* &prior_tell)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1562 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1563 char *retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1564
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
1565 if (m_eob - m_idx >= size)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1566 {
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1567 retval = m_idx;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1568 m_idx += size;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1569 if (m_idx > m_last)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1570 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1571 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1572 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1573 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1574 // If there was a tellg pointing to an earlier point than the current
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1575 // read position, try to keep it in the active buffer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1576 // In the current code, prior_tell==idx for each call,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1577 // so this is not necessary, just a precaution.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1578
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1579 if (m_eob - prior_tell + size < m_bufsize)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1580 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1581 octave_idx_type gap = m_idx - prior_tell;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1582 m_idx = prior_tell;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1583 refresh_buf ();
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1584 m_idx += gap;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1585 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1586 else // can't keep the tellg in range. May skip some data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1587 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1588 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1589 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1590
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1591 prior_tell = m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1592
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1593 if (m_eob - m_idx > size)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1594 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1595 retval = m_idx;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1596 m_idx += size;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1597 if (m_idx > m_last)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1598 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1599 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1600 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1601 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1602 if (size <= m_bufsize) // small read, but reached EOF
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1603 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1604 retval = m_idx;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1605 memset (m_eob, 0, size + (m_idx - m_buf));
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1606 m_idx += size;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1607 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1608 else // Reading more than the whole buf; return it in buffer
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1609 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1610 retval = buffer;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1611 // FIXME: read bufsize at a time
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1612 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1613 for (i = 0; i < size && ! eof (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1614 *buffer++ = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1615 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1616 memset (buffer, 0, size - i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1617 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1618 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1619 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1620
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1621 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1622 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1623
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1624 // Return in OUT an entire line, terminated by delim. On input, OUT
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1625 // must have length at least 1.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1626
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1627 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1628 delimited_stream::getline (std::string& out, char delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1629 {
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
1630 int len = out.length ();
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
1631 int used = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1632 int ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1633 while ((ch = get_undelim ()) != delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1634 && ch != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1635 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1636 out[used++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1637 if (used == len)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1638 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1639 len <<= 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1640 out.resize (len);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1641 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1642 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1643 out.resize (used);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1644 field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1645
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1646 return ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1647 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1648
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1649 // A single conversion specifier, such as %f or %c.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1650
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1651 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1652 textscan_format_elt
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1653 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1654 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1655
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1656 enum special_conversion
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1657 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1658 whitespace_conversion = 1,
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1659 literal_conversion = 2
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1660 };
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1661
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1662 textscan_format_elt (const std::string& txt, int w = 0, int p = -1,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1663 int bw = 0, bool dis = false, char typ = '\0',
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1664 const std::string& ch_class = std::string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1665 : text (txt), width (w), prec (p), bitwidth (bw),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1666 char_class (ch_class), type (typ), discard (dis),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1667 numeric (typ == 'd' || typ == 'u' || type == 'f' || type == 'n')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1668 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1669
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1670 textscan_format_elt (const textscan_format_elt& e)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1671 : text (e.text), width (e.width), prec (e.prec),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1672 bitwidth (e.bitwidth), char_class (e.char_class), type (e.type),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1673 discard (e.discard), numeric (e.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1674 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1675
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1676 textscan_format_elt& operator = (const textscan_format_elt& e)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1677 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1678 if (this != &e)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1679 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1680 text = e.text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1681 width = e.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1682 prec = e.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1683 bitwidth = e.bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1684 discard = e.discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1685 type = e.type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1686 numeric = e.numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1687 char_class = e.char_class;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1688 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1689
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1690 return *this;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1691 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1692
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1693 // The C-style format string.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1694 std::string text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1695
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1696 // The maximum field width.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1697 unsigned int width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1698
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1699 // The maximum number of digits to read after the decimal in a
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1700 // floating point conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1701 int prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1702
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1703 // The size of the result. For integers, bitwidth may be 8, 16, 34,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1704 // or 64. For floating point values, bitwidth may be 32 or 64.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1705 int bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1706
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1707 // The class of characters in a '[' or '^' format.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1708 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1709
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1710 // Type of conversion
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1711 // -- 'd', 'u', 'f', 'n', 's', 'q', 'c', '%', 'C', 'D', '[' or '^'.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1712 char type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1713
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1714 // TRUE if we are not storing the result of this conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1715 bool discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1716
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1717 // TRUE if the type is 'd', 'u', 'f', 'n'
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1718 bool numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1719 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1720
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1721 // The (parsed) sequence of format specifiers.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1722
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1723 class textscan;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1724
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1725 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1726 textscan_format_list
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1727 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1728 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1729
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1730 textscan_format_list (const std::string& fmt = std::string (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1731 const std::string& who = "textscan");
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1732 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1733
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1734 textscan_format_list (const textscan_format_list&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1735
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1736 textscan_format_list& operator = (const textscan_format_list&) = delete;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1737
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1738 ~textscan_format_list (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1739
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1740 octave_idx_type num_conversions (void) const { return m_nconv; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1741
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1742 // The length can be different than the number of conversions.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1743 // For example, "x %d y %d z" has 2 conversions but the length of
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1744 // the list is 3 because of the characters that appear after the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1745 // last conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1746
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1747 std::size_t numel (void) const { return m_fmt_elts.size (); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1748
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1749 const textscan_format_elt * first (void)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1750 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1751 m_curr_idx = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1752 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1753 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1754
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1755 const textscan_format_elt * current (void) const
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1756 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1757 return numel () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1758 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1759
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1760 const textscan_format_elt * next (bool cycle = true)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1761 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1762 m_curr_idx++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1763
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1764 if (m_curr_idx >= numel ())
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1765 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1766 if (cycle)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1767 m_curr_idx = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1768 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1769 return nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1770 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1771
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1772 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1773 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1774
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1775 void printme (void) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1776
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1777 bool ok (void) const { return (m_nconv >= 0); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1778
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1779 operator const void* (void) const { return ok () ? this : nullptr; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1780
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1781 // What function name should be shown when reporting errors.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1782 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1783
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1784 // True if number of %f to be set from data file.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1785 bool set_from_first;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1786
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1787 // At least one conversion specifier is s,q,c, or [...].
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1788 bool has_string;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1789
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1790 int read_first_row (delimited_stream& is, textscan& ts);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1791
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30171
diff changeset
1792 std::list<octave_value> out_buf (void) const
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30171
diff changeset
1793 { return (m_output_container); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1794
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1795 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1796
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1797 void add_elt_to_list (unsigned int width, int prec, int bitwidth,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1798 octave_value val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1799 char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1800 const std::string& char_class = std::string ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1801
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1802 void process_conversion (const std::string& s, std::size_t& i,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1803 std::size_t n);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1804
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1805 std::string parse_char_class (const std::string& pattern) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1806
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1807 int finish_conversion (const std::string& s, std::size_t& i, std::size_t n,
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
1808 unsigned int width, int prec, int bitwidth,
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1809 octave_value& val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1810 bool discard, char& type);
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1811
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1812 //--------
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1813
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1814 // Number of conversions specified by this format string, or -1 if
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1815 // invalid conversions have been found.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1816 octave_idx_type m_nconv;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1817
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1818 // Index to current element;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1819 std::size_t m_curr_idx;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1820
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1821 // List of format elements.
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
1822 std::deque<textscan_format_elt *> m_fmt_elts;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1823
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1824 // list holding column arrays of types specified by conversions
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1825 std::list<octave_value> m_output_container;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1826
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1827 // Temporary buffer.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1828 std::ostringstream m_buf;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1829
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1830 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1831
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1832 // Main class to implement textscan. Read data and parse it
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1833 // according to a format.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1834 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1835 // The calling sequence is
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1836 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1837 // textscan scanner ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1838 // scanner.scan (...);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1839
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1840 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1841 OCTINTERP_API
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1842 textscan
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1843 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1844 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1845
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1846 textscan (const std::string& who_arg = "textscan",
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1847 const std::string& encoding = "utf-8");
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1848
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1849 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1850
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1851 textscan (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1852
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1853 textscan& operator = (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1854
22868
87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors
John W. Eaton <jwe@octave.org>
parents: 22865
diff changeset
1855 ~textscan (void) = default;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1856
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1857 octave_value scan (std::istream& isp, const std::string& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1858 octave_idx_type ntimes,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1859 const octave_value_list& options,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1860 octave_idx_type& read_count);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1861
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1862 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1863
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1864 friend class textscan_format_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1865
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1866 octave_value do_scan (std::istream& isp, textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1867 octave_idx_type ntimes);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1868
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1869 void parse_options (const octave_value_list& args,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1870 textscan_format_list& fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1871
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1872 int read_format_once (delimited_stream& isp, textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1873 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1874 Array<octave_idx_type> row, int& done_after);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1875
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1876 void scan_one (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1877 octave_value& ov, Array<octave_idx_type> row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1878
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1879 // Methods to process a particular conversion specifier.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1880 double read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1881 const textscan_format_elt& fmt) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1882
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1883 void scan_complex (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1884 Complex& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1885
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1886 int scan_bracket (delimited_stream& is, const std::string& pattern,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1887 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1888
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1889 int scan_caret (delimited_stream& is, const std::string& pattern,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1890 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1891
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1892 void scan_string (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1893 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1894
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1895 void scan_cstring (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1896 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1897
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1898 void scan_qstring (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1899 std::string& val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1900
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1901 // Helper methods.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1902 std::string read_until (delimited_stream& is, const Cell& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1903 const std::string& ends) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1904
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1905 int lookahead (delimited_stream& is, const Cell& targets, int max_len,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1906 bool case_sensitive = true) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1907
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1908 bool match_literal (delimited_stream& isp, const textscan_format_elt& elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1909
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
1910 int skip_whitespace (delimited_stream& is, bool EOLstop = true);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1911
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1912 int skip_delim (delimited_stream& is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1913
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1914 bool is_delim (unsigned char ch) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1915 {
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1916 return ((m_delim_table.empty ()
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1917 && (isspace (ch) || ch == m_eol1 || ch == m_eol2))
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1918 || m_delim_table[ch] != '\0');
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1919 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1920
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1921 bool isspace (unsigned int ch) const
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1922 { return m_whitespace_table[ch & 0xff]; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1923
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1924 // True if the only delimiter is whitespace.
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1925 bool whitespace_delim (void) const { return m_delim_table.empty (); }
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1926
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1927 //--------
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1928
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1929 // What function name should be shown when reporting errors.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1930 std::string m_who;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1931
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1932 std::string m_encoding;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1933
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1934 std::string m_buf;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1935
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1936 // Three cases for delim_table and delim_list
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1937 // 1. delim_table empty, delim_list empty: whitespace delimiters
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1938 // 2. delim_table = look-up table of delim chars, delim_list empty.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1939 // 3. delim_table non-empty, delim_list = Cell array of delim strings
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1940
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1941 std::string m_whitespace_table;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1942
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1943 // delim_table[i] == '\0' if i is not a delimiter.
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1944 std::string m_delim_table;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1945
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1946 // String of delimiter characters.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1947 std::string m_delims;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1948
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1949 Cell m_comment_style;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1950
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1951 // How far ahead to look to detect an open comment.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1952 int m_comment_len;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1953
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1954 // First character of open comment.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1955 int m_comment_char;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1956
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1957 octave_idx_type m_buffer_size;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1958
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1959 std::string m_date_locale;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1960
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1961 // 'inf' and 'nan' for formatted_double.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1962 Cell m_inf_nan;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1963
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1964 // Array of strings of delimiters.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1965 Cell m_delim_list;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1966
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1967 // Longest delimiter.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1968 int m_delim_len;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1969
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1970 octave_value m_empty_value;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1971 std::string m_exp_chars;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1972 int m_header_lines;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1973 Cell m_treat_as_empty;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1974
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1975 // Longest string to treat as "N/A".
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1976 int m_treat_as_empty_len;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1977
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1978 std::string m_whitespace;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1979
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1980 short m_eol1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1981 short m_eol2;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1982 short m_return_on_error;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1983
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1984 bool m_collect_output;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1985 bool multiple_delims_as_one;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1986 bool m_default_exp;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1987
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1988 octave_idx_type m_lines;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1989 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1990
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1991 textscan_format_list::textscan_format_list (const std::string& s,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1992 const std::string& who_arg)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1993 : who (who_arg), set_from_first (false), has_string (false),
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1994 m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1995 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1996 std::size_t n = s.length ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1997
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1998 std::size_t i = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1999
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2000 unsigned int width = -1; // Unspecified width = max (except %c)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2001 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2002 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2003 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2004 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2005
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2006 bool have_more = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2007
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2008 if (s.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2009 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2010 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2011 m_buf.str ("");
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2012
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2013 m_buf << "%f";
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2014
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2015 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2016 type = 'f';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2017 add_elt_to_list (width, prec, bitwidth, octave_value (NDArray ()),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2018 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2019 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2020 set_from_first = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2021 m_nconv = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2022 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2023 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2024 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2025 set_from_first = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2026
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2027 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2028 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2029 have_more = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2030
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2031 if (s[i] == '%' && (i+1 == n || s[i+1] != '%'))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2032 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2033 // Process percent-escape conversion type.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2034
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2035 process_conversion (s, i, n);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2036
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2037 // If there is nothing in the buffer, then add_elt_to_list
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2038 // must have just been called, so we are already done with
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2039 // the current element and we don't need to call
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2040 // add_elt_to_list if this is our last trip through the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2041 // loop.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2042
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2043 have_more = (m_buf.tellp () != 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2044 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2045 else if (isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2046 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2047 while (++i < n && isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2048 /* skip whitespace */;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2049
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2050 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2051 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2052 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2053 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2054 type = textscan_format_elt::literal_conversion;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2055
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2056 width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2057 prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2058 bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2059 discard = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2060
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2061 while (i < n && ! isspace (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2062 && (s[i] != '%' || (i+1 < n && s[i+1] == '%')))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2063 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2064 if (s[i] == '%') // if double %, skip one
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2065 i++;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2066 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2067 width++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2068 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2069
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2070 add_elt_to_list (width, prec, bitwidth, octave_value (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2071 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2072
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2073 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2074 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2075
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2076 if (m_nconv < 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2077 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2078 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2079 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2080 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2081 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2082 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2083
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2084 if (have_more)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2085 add_elt_to_list (width, prec, bitwidth, octave_value (), discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2086
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2087 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2088 m_buf.str ("");
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2089 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2090
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2091 textscan_format_list::~textscan_format_list (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2092 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2093 std::size_t n = numel ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2094
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2095 for (std::size_t i = 0; i < n; i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2096 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2097 textscan_format_elt *elt = m_fmt_elts[i];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2098 delete elt;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2099 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2100 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2101
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2102 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2103 textscan_format_list::add_elt_to_list (unsigned int width, int prec,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2104 int bitwidth, octave_value val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2105 bool discard, char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2106 const std::string& char_class)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2107 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2108 std::string text = m_buf.str ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2109
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2110 if (! text.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2111 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2112 textscan_format_elt *elt
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2113 = new textscan_format_elt (text, width, prec, bitwidth, discard,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2114 type, char_class);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2115
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2116 if (! discard)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2117 m_output_container.push_back (val_type);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2118
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2119 m_fmt_elts.push_back (elt);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2120 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2121
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2122 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2123 m_buf.str ("");
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2124 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2125
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2126 void
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2127 textscan_format_list::process_conversion (const std::string& s,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2128 std::size_t& i, std::size_t n)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2129 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2130 unsigned width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2131 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2132 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2133 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2134 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2135 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2136
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2137 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2138
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2139 bool have_width = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2140
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2141 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2142 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2143 switch (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2144 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2145 case '*':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2146 if (discard)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2147 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2148 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2149 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2150 discard = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2151 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2152 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2153 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2154
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2155 case '0': case '1': case '2': case '3': case '4':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2156 case '5': case '6': case '7': case '8': case '9':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2157 if (have_width)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2158 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2159 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2160 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2161 char c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2162 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2163 have_width = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2164 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2165 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2166 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2167 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2168 width = width * 10 + c - '0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2169 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2170 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2171
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2172 if (i < n && s[i] == '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2173 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2174 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2175 prec = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2176 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2177 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2178 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2179 prec = prec * 10 + c - '0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2180 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2181 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2182 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2183 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2184 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2185
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2186 case 'd': case 'u':
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2187 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2188 bool done = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2189 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2190 if (i < n)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2191 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2192 if (s[i] == '8')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2193 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2194 bitwidth = 8;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2195 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2196 val_type = octave_value (int8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2197 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2198 val_type = octave_value (uint8NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2199 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2200 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2201 else if (s[i] == '1' && i+1 < n && s[i+1] == '6')
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2202 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2203 bitwidth = 16;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2204 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2205 val_type = octave_value (int16NDArray ());
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2206 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2207 val_type = octave_value (uint16NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2208 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2209 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2210 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2211 else if (s[i] == '3' && i+1 < n && s[i+1] == '2')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2212 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2213 done = false; // use default size below
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2214 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2215 m_buf << s[i++];
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2216 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2217 else if (s[i] == '6' && i+1 < n && s[i+1] == '4')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2218 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2219 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2220 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2221 val_type = octave_value (int64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2222 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2223 val_type = octave_value (uint64NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2224 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2225 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2226 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2227 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2228 done = false;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2229 }
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2230 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2231 done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2232
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2233 if (! done)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2234 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2235 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2236 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2237 val_type = octave_value (int32NDArray ());
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2238 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2239 val_type = octave_value (uint32NDArray ());
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2240 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2241 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2242 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2243
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2244 case 'f':
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2245 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2246 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2247 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2248 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2249 if (s[i] == '3' && i+1 < n && s[i+1] == '2')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2250 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2251 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2252 val_type = octave_value (FloatNDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2253 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2254 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2255 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2256 else if (s[i] == '6' && i+1 < n && s[i+1] == '4')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2257 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2258 val_type = octave_value (NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2259 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2260 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2261 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2262 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2263 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2264 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2265 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2266 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2267 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2268
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2269 case 'n':
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2270 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2271 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2272 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2273 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2274
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2275 case 's': case 'q': case '[': case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2276 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2277 val_type = octave_value (Cell ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2278 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2279 has_string = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2280 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2281
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2282 fini:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2283 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2284 if (! have_width)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2285 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2286 if (type == 'c') // %c defaults to one character
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2287 width = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2288 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2289 width = static_cast<unsigned int> (-1); // others: unlimited
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2290 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2291
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2292 if (finish_conversion (s, i, n, width, prec, bitwidth, val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2293 discard, type) == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2294 return;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2295 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2296 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2297
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2298 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2299 error ("%s: '%%%c' is not a valid format specifier",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2300 who.c_str (), s[i]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2301 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2302
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2303 if (m_nconv < 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2304 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2305 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2306
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2307 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2308 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2309
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2310 // Parse [...] and [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2311 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2312 // Matlab does not expand expressions like A-Z, but they are useful, and
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2313 // so we parse them "carefully". We treat '-' as a usual character
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2314 // unless both start and end characters are from the same class (upper
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2315 // case, lower case, numeric), or this is not the first '-' in the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2316 // pattern.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2317 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2318 // Keep both a running list of characters and a mask of which chars have
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2319 // occurred. The first is efficient for patterns with few characters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2320 // The latter is efficient for [^...] patterns.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2321
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2322 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2323 textscan_format_list::parse_char_class (const std::string& pattern) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2324 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2325 int len = pattern.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2326 if (len == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2327 return "";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2328
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2329 std::string retval (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2330 std::string mask (256, '\0'); // number of times chr has been seen
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2331
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2332 int in = 0, out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2333 unsigned char ch, prev = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2334 bool flip = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2335
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2336 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2337 if (ch == '^')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2338 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2339 in++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2340 flip = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2341 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2342 mask[pattern[in]] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2343 retval[out++] = pattern[in++]; // even copy ']' if it is first
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2344
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2345 bool prev_was_range = false; // disallow "a-m-z" as a pattern
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2346 bool prev_prev_was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2347 for (; in < len; in++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2348 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2349 bool was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2350 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2351 if (ch == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2352 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2353
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2354 if (prev == '-' && in > 1 && isalnum (ch) && ! prev_prev_was_range)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2355 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2356 unsigned char start_of_range = pattern[in-2];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2357 if (start_of_range < ch
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2358 && ((isupper (ch) && isupper (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2359 || (islower (ch) && islower (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2360 || (isdigit (ch) && isdigit (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2361 || mask['-'] > 1)) // not the first '-'
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2362 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2363 was_range = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2364 out--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2365 mask['-']--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2366 for (int i = start_of_range; i <= ch; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2367 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2368 if (mask[i] == '\0')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2369 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2370 mask[i] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2371 retval[out++] = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2372 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2373 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2374 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2375 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2376 if (! was_range)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2377 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2378 if (mask[ch]++ == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2379 retval[out++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2380 else if (ch != '-')
27069
0a62d9a6aa2d Place Octave's warning and error IDs in to the "Octave" namespace (bug #56213).
Rik <rik@octave.org>
parents: 26706
diff changeset
2381 warning_with_id ("Octave:textscan-pattern",
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2382 "%s: [...] contains two '%c's",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2383 who.c_str (), ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2384
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2385 if (prev == '-' && mask['-'] >= 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2386 warning_with_id
27069
0a62d9a6aa2d Place Octave's warning and error IDs in to the "Octave" namespace (bug #56213).
Rik <rik@octave.org>
parents: 26706
diff changeset
2387 ("Octave:textscan-pattern",
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2388 "%s: [...] contains two '-'s outside range expressions",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2389 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2390 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2391 prev = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2392 prev_prev_was_range = prev_was_range;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2393 prev_was_range = was_range;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2394 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2395
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2396 if (flip) // [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2397 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2398 out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2399 for (int i = 0; i < 256; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2400 if (! mask[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2401 retval[out++] = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2402 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2403
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2404 retval.resize (out);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2405
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2406 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2407 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2408
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2409 int
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2410 textscan_format_list::finish_conversion (const std::string& s, std::size_t& i,
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2411 std::size_t n, unsigned int width,
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2412 int prec, int bitwidth,
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2413 octave_value& val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2414 char& type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2415 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2416 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2417
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2418 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2419
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2420 std::size_t beg_idx = std::string::npos;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2421 std::size_t end_idx = std::string::npos;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2422
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2423 if (type != '%')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2424 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2425 m_nconv++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2426 if (type == '[')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2427 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2428 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2429 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2430 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2431
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2432 if (s[i] == '^')
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2433 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2434 type = '^';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2435 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2436
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2437 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2438 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2439 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2440
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2441 if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2442 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2443 }
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2444 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2445 else if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2446 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2447 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2448
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2449 while (i < n && s[i] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2450 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2451
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2452 if (i < n && s[i] == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2453 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2454 end_idx = i-1;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2455 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2456 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2457
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2458 if (s[i-1] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2459 retval = m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2460 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2461 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2462
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2463 if (m_nconv >= 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2464 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2465 if (beg_idx != std::string::npos && end_idx != std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2466 char_class = parse_char_class (s.substr (beg_idx,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2467 end_idx - beg_idx + 1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2468
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2469 add_elt_to_list (width, prec, bitwidth, val_type, discard, type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2470 char_class);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2471 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2472
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2473 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2474 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2475
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2476 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2477 textscan_format_list::printme (void) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2478 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2479 std::size_t n = numel ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2480
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2481 for (std::size_t i = 0; i < n; i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2482 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2483 textscan_format_elt *elt = m_fmt_elts[i];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2484
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2485 std::cerr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2486 << "width: " << elt->width << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2487 << "digits " << elt->prec << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2488 << "bitwidth: " << elt->bitwidth << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2489 << "discard: " << elt->discard << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2490 << "type: ";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2491
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2492 if (elt->type == textscan_format_elt::literal_conversion)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2493 std::cerr << "literal text\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2494 else if (elt->type == textscan_format_elt::whitespace_conversion)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2495 std::cerr << "whitespace\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2496 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2497 std::cerr << elt->type << "\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2498
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2499 std::cerr
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
2500 << "char_class: '" << undo_string_escapes (elt->char_class) << "'\n"
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
2501 << "text: '" << undo_string_escapes (elt->text) << "'\n\n";
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2502 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2503 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2504
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2505 // If FORMAT is explicitly "", it is assumed to be "%f" repeated enough
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2506 // times to read the first row of the file. Set it now.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2507
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2508 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2509 textscan_format_list::read_first_row (delimited_stream& is, textscan& ts)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2510 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2511 // Read first line and strip end-of-line, which may be two characters
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2512 std::string first_line (20, ' ');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2513
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2514 is.getline (first_line, static_cast<char> (ts.m_eol2));
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2515
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2516 if (! first_line.empty () && first_line.back () == ts.m_eol1)
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
2517 first_line.pop_back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2518
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2519 std::istringstream strstr (first_line);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2520 delimited_stream ds (strstr, is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2521
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2522 dim_vector dv (1, 1); // initial size of each output_container
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2523 Complex val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2524 octave_value val_type;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2525 m_nconv = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2526 int max_empty = 1000; // failsafe, if ds fails but not with eof
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2527 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2528
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2529 // read line, creating output_container as we go
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2530 while (! ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2531 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2532 bool already_skipped_delim = false;
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
2533 ts.skip_whitespace (ds, false);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2534 ds.progress_benchmark ();
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2535 ts.scan_complex (ds, *m_fmt_elts[0], val);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2536 if (ds.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2537 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2538 ds.clear (ds.rdstate () & ~std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2539
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2540 if (ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2541 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2542
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2543 // Unless this was a missing value (i.e., followed by a delimiter),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2544 // return with an error status.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2545 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2546 if (ds.no_progress ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2547 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2548 retval = 4;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2549 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2550 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2551 already_skipped_delim = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2552
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2553 val = ts.m_empty_value.scalar_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2554
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2555 if (! --max_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2556 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2557 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2558
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2559 if (val.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2560 val_type = octave_value (NDArray (dv, val.real ()));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2561 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2562 val_type = octave_value (ComplexNDArray (dv, val));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2563
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2564 m_output_container.push_back (val_type);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2565
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2566 if (! already_skipped_delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2567 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2568
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2569 if (ds.no_progress ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2570 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2571
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2572 m_nconv++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2573 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2574
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2575 m_output_container.pop_front (); // discard empty element from constructor
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2576
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2577 // Create fmt_list now that the size is known
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2578 for (octave_idx_type i = 1; i < m_nconv; i++)
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2579 m_fmt_elts.push_back (new textscan_format_elt (*m_fmt_elts[0]));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2580
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2581 return retval; // May have returned 4 above.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2582 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2583
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2584 textscan::textscan (const std::string& who_arg, const std::string& encoding)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2585 : m_who (who_arg), m_encoding (encoding), m_buf (), m_whitespace_table (),
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
2586 m_delim_table (), m_delims (), m_comment_style (), m_comment_len (0),
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2587 m_comment_char (-2), m_buffer_size (0), m_date_locale (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2588 m_inf_nan (init_inf_nan ()),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2589 m_empty_value (numeric_limits<double>::NaN ()),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2590 m_exp_chars ("edED"), m_header_lines (0), m_treat_as_empty (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2591 m_treat_as_empty_len (0), m_whitespace (" \b\t"), m_eol1 ('\r'),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2592 m_eol2 ('\n'), m_return_on_error (1), m_collect_output (false),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2593 multiple_delims_as_one (false), m_default_exp (true), m_lines (0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2594 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2595
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2596 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2597 textscan::scan (std::istream& isp, const std::string& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2598 octave_idx_type ntimes, const octave_value_list& options,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2599 octave_idx_type& count)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2600 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2601 textscan_format_list fmt_list (fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2602
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2603 parse_options (options, fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2604
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2605 octave_value result = do_scan (isp, fmt_list, ntimes);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2606
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2607 // FIXME: this is probably not the best way to get count. The
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2608 // position could easily be larger than octave_idx_type when using
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2609 // 32-bit indexing.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2610
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2611 std::ios::iostate state = isp.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2612 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2613 count = static_cast<octave_idx_type> (isp.tellg ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2614 isp.setstate (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2615
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2616 return result;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2617 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2618
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2619 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2620 textscan::do_scan (std::istream& isp, textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2621 octave_idx_type ntimes)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2622 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2623 octave_value retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2624
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2625 if (fmt_list.num_conversions () == -1)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2626 error ("%s: invalid format specified", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2627
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2628 if (fmt_list.num_conversions () == 0)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2629 error ("%s: no valid format conversion specifiers", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2630
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2631 // skip the first header_lines
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2632 std::string dummy;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2633 for (int i = 0; i < m_header_lines && isp; i++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2634 getline (isp, dummy, static_cast<char> (m_eol2));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2635
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2636 // Create our own buffered stream, for fast get/putback/tell/seek.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2637
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2638 // First, see how far ahead it should let us look.
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2639 int max_lookahead = std::max ({m_comment_len, m_treat_as_empty_len,
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2640 m_delim_len, 3}); // 3 for NaN and Inf
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2641
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2642 // Next, choose a buffer size to avoid reading too much, or too often.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2643 octave_idx_type buf_size = 4096;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2644 if (m_buffer_size)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2645 buf_size = m_buffer_size;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2646 else if (ntimes > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2647 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2648 // Avoid overflow of 80*ntimes...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2649 buf_size = std::min (buf_size, std::max (ntimes, 80 * ntimes));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2650 buf_size = std::max (buf_size, ntimes);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2651 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2652 // Finally, create the stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2653 delimited_stream is (isp,
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2654 (m_delims.empty () ? m_whitespace + "\r\n"
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2655 : m_delims),
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2656 max_lookahead, buf_size);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2657
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2658 // Grow retval dynamically. "size" is half the initial size
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2659 // (FIXME: Should we start smaller if ntimes is large?)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2660 octave_idx_type size = ((ntimes < 8 && ntimes >= 0) ? ntimes : 1);
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2661 Array<octave_idx_type> row_idx (dim_vector (1, 2));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2662 row_idx(1) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2663
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2664 int err = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2665 octave_idx_type row = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2666
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2667 if (multiple_delims_as_one) // bug #44750?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2668 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2669
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2670 int done_after; // Number of columns read when EOF seen.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2671
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2672 // If FORMAT explicitly "", read first line and see how many "%f" match
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2673 if (fmt_list.set_from_first)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2674 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2675 err = fmt_list.read_first_row (is, *this);
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2676 m_lines = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2677
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2678 done_after = fmt_list.numel () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2679 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2680 row = 1; // the above puts the first line into fmt_list.out_buf ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2681 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2682 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2683 done_after = fmt_list.out_buf ().size () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2684
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2685 std::list<octave_value> out = fmt_list.out_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2686
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2687 // We will later merge adjacent columns of the same type.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2688 // Check now which columns to merge.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2689 // Reals may become complex, and so we can't trust types
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2690 // after reading in data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2691 // If the format was "", that conversion may already have happened,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2692 // so force all to be merged (as all are %f).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2693 bool merge_with_prev[fmt_list.numel ()];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2694 int conv = 0;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2695 if (m_collect_output)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2696 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2697 int prev_type = -1;
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2698 for (const auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2699 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2700 if (col.type_id () == prev_type
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2701 || (fmt_list.set_from_first && prev_type != -1))
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2702 merge_with_prev[conv++] = true;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2703 else
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2704 merge_with_prev[conv++] = false;
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2705
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2706 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2707 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2708 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2709
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2710 // This should be caught by earlier code, but this avoids a possible
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2711 // infinite loop below.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2712 if (fmt_list.num_conversions () == 0)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2713 error ("%s: No conversions specified", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2714
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2715 // Read the data. This is the main loop.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2716 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2717 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2718 for (/* row set ~30 m_lines above */;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2719 row < ntimes || ntimes == -1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2720 row++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2721 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2722 if (row == 0 || row >= size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2723 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2724 size += (size+1);
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2725 for (auto& col : out)
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2726 col = col.resize (dim_vector (size, 1), 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2727 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2728
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2729 row_idx(0) = row;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2730 err = read_format_once (is, fmt_list, out, row_idx, done_after);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2731
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2732 if ((err & ~1) > 0 || ! is || (m_lines >= ntimes && ntimes > -1))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2733 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2734 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2735 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2736
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2737 if ((err & 4) && ! m_return_on_error)
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25952
diff changeset
2738 error ("%s: Read error in field %d of row %" OCTAVE_IDX_TYPE_FORMAT,
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2739 m_who.c_str (), done_after + 1, row + 1);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2740
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2741 // If file does not end in EOL, do not pad columns with NaN.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2742 bool uneven_columns = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2743 if (err & 4)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2744 uneven_columns = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2745 else if (isp.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2746 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2747 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2748 isp.seekg (-1, std::ios_base::end);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2749 int last_char = isp.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2750 isp.setstate (isp.eofbit);
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2751 uneven_columns = (last_char != m_eol1 && last_char != m_eol2);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2752 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2753
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2754 // convert return value to Cell array
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2755 Array<octave_idx_type> ra_idx (dim_vector (1, 2));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2756
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2757 // (err & 1) means "error, and no columns read this row
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2758 // FIXME: This may redundant now that done_after=0 says the same
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2759 if (err & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2760 done_after = out.size () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2761
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2762 int valid_rows = (row == ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2763 ? ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2764 : ((err & 1) && (err & 8)) ? row : row+1);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2765 dim_vector dv (valid_rows, 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2766
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2767 ra_idx(0) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2768 int i = 0;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2769 if (! m_collect_output)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2770 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2771 retval = Cell (dim_vector (1, out.size ()));
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2772 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2773 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2774 // trim last columns if that was requested
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2775 if (i == done_after && uneven_columns)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2776 dv = dim_vector (std::max (valid_rows - 1, 0), 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2777
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2778 ra_idx(1) = i;
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2779 retval = cat_op (retval, octave_value (Cell (col.resize (dv, 0))),
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
2780 ra_idx);
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2781 i++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2782 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2783 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2784 else // group adjacent cells of the same type into a single cell
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2785 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2786 octave_value cur; // current cell, accumulating columns
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2787 octave_idx_type group_size = 0; // columns in this cell
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2788 int prev_type = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2789
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2790 conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2791 retval = Cell ();
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2792 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2793 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2794 if (! merge_with_prev[conv++]) // including first time
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2795 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2796 if (prev_type != -1)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2797 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2798 ra_idx(1) = i++;
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
2799 retval = cat_op (retval, octave_value (Cell (cur)), ra_idx);
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2800 }
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2801 cur = octave_value (col.resize (dv, 0));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2802 group_size = 1;
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2803 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2804 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2805 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2806 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2807 ra_idx(1) = group_size++;
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2808 cur = cat_op (cur, octave_value (col.resize (dv, 0)), ra_idx);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2809 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2810 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2811 ra_idx(1) = i;
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
2812 retval = cat_op (retval, octave_value (Cell (cur)), ra_idx);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2813 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2814
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2815 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2816 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2817
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2818 // Read a double considering the "precision" field of FMT and the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2819 // EXP_CHARS option of OPTIONS.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2820
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2821 double
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2822 textscan::read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2823 const textscan_format_elt& fmt) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2824 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2825 int sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2826 unsigned int width_left = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2827 double retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2828 bool valid = false; // syntactically correct double?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2829
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2830 int ch = is.peek_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2831
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2832 if (ch == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2833 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2834 is.get ();
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2835 ch = is.peek_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2836 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2837 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2838 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2839 else if (ch == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2840 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2841 sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2842 is.get ();
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2843 ch = is.peek_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2844 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2845 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2846 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2847
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2848 // Read integer part
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2849 if (ch != '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2850 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2851 if (ch >= '0' && ch <= '9') // valid if at least one digit
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2852 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2853 while (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2854 retval = retval * 10 + (ch - '0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2855 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2856 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2857
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2858 // Read fractional part, up to specified precision
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2859 if (ch == '.' && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2860 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2861 double multiplier = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2862 int precision = fmt.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2863 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2864
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2865 width_left--; // Consider width of '.'
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2866
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2867 if (precision == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2868 precision = 1<<30; // FIXME: Should be MAXINT
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2869
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2870 if (! valid) // if there was nothing before '.'...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2871 is.get (); // ...ch was a "peek", not "get".
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2872
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2873 for (i = 0; i < precision; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2874 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2875 if (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2876 retval += (ch - '0') * (multiplier *= 0.1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2877 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2878 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2879 width_left++;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2880 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2881 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2882 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2883
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2884 // round up if we truncated and the next digit is >= 5
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2885 if ((i == precision || ! width_left) && (ch = is.get ()) >= '5'
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2886 && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2887 retval += multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2888
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2889 if (i > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2890 valid = true; // valid if at least one digit after '.'
30790
5fbc41f7a8d1 textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents: 30787
diff changeset
2891 else if (! valid) // if there was nothing before and after '.'
5fbc41f7a8d1 textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents: 30787
diff changeset
2892 {
5fbc41f7a8d1 textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents: 30787
diff changeset
2893 is.putback (ch);
5fbc41f7a8d1 textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents: 30787
diff changeset
2894 ch = '.';
5fbc41f7a8d1 textscan: Reposition scan pointer after reading a single `.` (bug #60711).
Gaël Bonithon <gael@xfce.org>
parents: 30787
diff changeset
2895 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2896
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2897 // skip remainder after '.', to field width, to look for exponent
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2898 if (i == precision)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2899 while (width_left-- && is && (ch = is.get ()) >= '0' && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2900 ; // discard
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2901
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2902 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2903 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2904
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2905 // look for exponent part in, e.g., 6.023E+23
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2906 bool used_exp = false;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2907 if (valid && width_left > 1 && m_exp_chars.find (ch) != std::string::npos)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2908 {
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2909 int ch1 = is.peek_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2910 if (ch1 == '-' || ch1 == '+' || (ch1 >= '0' && ch1 <= '9'))
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2911 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2912 // if 1.0e+$ or some such, this will set failbit, as we want
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2913 width_left--; // count "E"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2914 int exp = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2915 int exp_sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2916 if (ch1 == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2917 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2918 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2919 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2920 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2921 else if (ch1 == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2922 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2923 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2924 exp_sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2925 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2926 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2927 valid = false;
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2928 while (width_left-- && is && (ch = is.get_undelim ()) >= '0' && ch <= '9')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2929 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2930 exp = exp*10 + ch - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2931 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2932 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2933 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2934 if (ch != std::istream::traits_type::eof () && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2935 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2936
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2937 double multiplier = pown (10, exp);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2938 if (exp_sign > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2939 retval *= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2940 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2941 retval /= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2942
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2943 used_exp = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2944 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2945 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2946 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2947 if (! used_exp && ch != std::istream::traits_type::eof () && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2948 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2949
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2950 // Check for +/- inf and NaN
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2951 if (! valid && width_left >= 3 && is.remaining () >= 3)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2952 {
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30171
diff changeset
2953 int i = lookahead (is, m_inf_nan, 3, false); // false->case insensitive
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2954 if (i == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2955 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2956 retval = numeric_limits<double>::Inf ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2957 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2958 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2959 else if (i == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2960 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2961 retval = numeric_limits<double>::NaN ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2962 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2963 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2964 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2965
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2966 if (! valid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2967 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2968 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2969 is.setstate (is.rdstate () & ~std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2970
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2971 return retval * sign;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2972 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2973
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2974 // Read a single number: real, complex, inf, NaN, possibly with limited
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2975 // precision. Calls to this should be preceded by skip_whitespace.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2976 // Calling that inside scan_complex would violate its const declaration.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2977
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2978 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2979 textscan::scan_complex (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2980 Complex& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2981 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2982 double im = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2983 double re = 0;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2984 bool as_empty = false; // did we fail but match a "treat_as_empty" string?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2985 bool inf = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2986
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2987 int ch = is.peek_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2988 if (ch == '+' || ch == '-') // check for [+-][ij] with no coefficients
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2989 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2990 ch = is.get ();
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2991 int ch2 = is.peek_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2992 if (ch2 == 'i' || ch2 == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2993 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2994 double value = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2995 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2996 // Check not -inf
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
2997 if (is.peek_undelim () == 'n')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2998 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2999 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3000 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3001
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3002 is.get ();
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3003 ch2 = is.get_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3004 if (ch2 == 'f')
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3005 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3006 inf = true;
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
3007 re = (ch == '+' ? numeric_limits<double>::Inf ()
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
3008 : -numeric_limits<double>::Inf ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3009 value = 0;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3010 }
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3011 else
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3012 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3013 is.clear (state);
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3014 // FIXME: Buffer might have refreshed.
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3015 // pos might no longer be valid.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3016 is.seekg (pos); // reset to position before look-ahead
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3017 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3018 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3019
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3020 im = (ch == '+') ? value : -value;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3021 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3022 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3023 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3024 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3025
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3026 if (! im && ! inf) // if not [+-][ij] or [+-]inf, read real normally
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3027 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3028 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3029 std::ios::iostate state = is.rdstate ();
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
3030 //re = read_value<double> (is);
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3031 // FIXME: read_double might refresh the buffer. So seekg might be off.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3032 re = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3033
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3034 // check for "treat as empty" string
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3035 if (m_treat_as_empty.numel ()
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
3036 && (is.fail () || math::is_NaN_or_NA (Complex (re))
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
3037 || re == numeric_limits<double>::Inf ()))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3038 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3039
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3040 for (int i = 0; i < m_treat_as_empty.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3041 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3042 if (ch == m_treat_as_empty (i).string_value ()[0])
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3043 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3044 as_empty = true; // first char matches, so read the lot
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3045 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3046 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3047 }
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3048 if (as_empty) // if first char matched...
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3049 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3050 as_empty = false; // ...look for the whole string
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3051
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3052 is.clear (state); // treat_as_empty "-" causes partial read
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3053 is.seekg (pos); // reset to position before failed read
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3054
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3055 // treat_as_empty strings may be different sizes.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3056 // Read ahead longest, put it all back, then re-read the string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3057 // that matches.
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3058 std::string look_buf (m_treat_as_empty_len, '\0');
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3059 char *look = is.read (&look_buf[0], look_buf.size (), pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3060
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3061 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3062 is.seekg (pos); // reset to position before look-ahead
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3063 // FIXME: is.read could invalidate pos
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3064
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3065 for (int i = 0; i < m_treat_as_empty.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3066 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3067 std::string s = m_treat_as_empty (i).string_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3068 if (! strncmp (s.c_str (), look, s.size ()))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3069 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3070 as_empty = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3071 // read just the right amount
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3072 is.read (&look_buf[0], s.size (), pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3073 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3074 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3075 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3076 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3077 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3078
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3079 if (! is.eof () && ! as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3080 {
26566
f8d380d04b01 Fix dead assignments found by clang static analysis (bug #55440).
Rik <rik@octave.org>
parents: 26500
diff changeset
3081 state = is.rdstate (); // before tellg, since that fails at EOF
f8d380d04b01 Fix dead assignments found by clang static analysis (bug #55440).
Rik <rik@octave.org>
parents: 26500
diff changeset
3082
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3083 ch = is.peek_undelim ();
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3084 // ch == EOF if read failed; no need to chk fail
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3085 if (ch == 'i' || ch == 'j') // pure imaginary
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3086 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3087 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3088 im = re;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3089 re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3090 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3091 else if (ch == '+' || ch == '-') // see if it is real+imag[ij]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3092 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3093 // save stream state in case we have to restore it
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3094 pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3095 state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3096
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
3097 //im = read_value<double> (is);
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3098 // FIXME: read_double might refresh the buffer.
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3099 // So seekg might be off after this.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3100 im = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3101 if (is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3102 im = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3103
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3104 if (is.peek_undelim () == 'i' || is.peek_undelim () == 'j')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3105 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3106 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3107 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3108 im = 0; // no valid imaginary part. Restore state
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3109 is.clear (state); // eof shouldn't cause fail.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3110 is.seekg (pos);
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3111 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3112 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3113 else if (is.eof ()) // we've read enough to be a "valid" read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3114 is.clear (state); // failed peek shouldn't cause fail
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3115 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3116 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3117 if (as_empty)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3118 val = m_empty_value.scalar_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3119 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3120 val = Complex (re, im);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3121 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3122
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3123 // Return in VAL the run of characters from IS NOT contained in PATTERN.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3124
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3125 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3126 textscan::scan_caret (delimited_stream& is, const std::string& pattern,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3127 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3128 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3129 int c1 = std::istream::traits_type::eof ();
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3130 std::ostringstream obuf; // FIXME: is this optimized for growing?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3131
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3132 while (is && ((c1 = (is && ! is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3133 ? is.get_undelim ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3134 : std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3135 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3136 && pattern.find (c1) == std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3137 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3138
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3139 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3140
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3141 if (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3142 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3143
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3144 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3145 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3146
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3147 // Read until one of the strings in DELIMITERS is found. For
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3148 // efficiency, ENDS is a list of the last character of each delimiter.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3149
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3150 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3151 textscan::read_until (delimited_stream& is, const Cell& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3152 const std::string& ends) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3153 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3154 std::string retval ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3155 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3156 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3157 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3158 // find sequence ending with an ending char
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3159 std::string next;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3160 scan_caret (is, ends.c_str (), next);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3161 retval = retval + next; // FIXME: could use repeated doubling of size
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3162
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3163 int last = (! is.eof ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3164 ? is.get_undelim () : std::istream::traits_type::eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3165
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3166 if (last != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3167 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3168 if (last == m_eol1 || last == m_eol2)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
3169 break;
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3170
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3171 retval = retval + static_cast<char> (last);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3172 for (int i = 0; i < delimiters.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3173 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3174 std::string delim = delimiters(i).string_value ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
3175 std::size_t start = (retval.length () > delim.length ()
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
3176 ? retval.length () - delim.length ()
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
3177 : 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3178 std::string may_match = retval.substr (start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3179 if (may_match == delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3180 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3181 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3182 retval = retval.substr (0, start);
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3183 if (start == 0)
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3184 is.putback (last);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3185 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3186 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3187 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3188 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3189 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3190 while (! done && is && ! is.eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3191
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3192 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3193 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3194
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3195 // Read stream until either fmt.width chars have been read, or
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3196 // options.delimiter has been found. Does *not* rely on fmt being 's'.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3197 // Used by formats like %6f to limit to 6.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3198
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3199 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3200 textscan::scan_string (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3201 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3202 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3203 if (m_delim_list.isempty ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3204 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3205 unsigned int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3206 unsigned int width = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3207
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3208 for (i = 0; i < width; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3209 {
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3210 // Grow string in an exponential fashion if necessary.
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3211 if (i >= val.length ())
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3212 val.append (std::max (val.length (),
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
3213 static_cast<std::size_t> (16)), '\0');
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3214
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3215 int ch = is.get_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3216 if (is_delim (ch) || ch == std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3217 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3218 is.putback (ch);
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3219 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3220 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3221 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3222 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3223 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3224 val = val.substr (0, i); // trim pre-allocation
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3225 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3226 else // Cell array of multi-character delimiters
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3227 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3228 std::string ends (m_delim_list.numel () + 2, '\0');
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3229 int i;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3230 for (i = 0; i < m_delim_list.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3231 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3232 std::string tmp = m_delim_list(i).string_value ();
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3233 ends[i] = tmp.back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3234 }
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3235 ends[i++] = m_eol1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3236 ends[i++] = m_eol2;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3237 val = textscan::read_until (is, m_delim_list, ends);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3238 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3239
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3240 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3241 if (m_encoding.compare ("utf-8"))
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3242 val = string::u8_from_encoding ("textscan", val, m_encoding);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3243 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3244
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3245 // Return in VAL the run of characters from IS contained in PATTERN.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3246
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3247 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3248 textscan::scan_bracket (delimited_stream& is, const std::string& pattern,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3249 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3250 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3251 int c1 = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3252 std::ostringstream obuf; // Is this optimized for growing?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3253
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3254 while (is && pattern.find (c1 = is.get_undelim ()) != std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3255 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3256
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3257 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3258 if (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3259 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3260 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3261 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3262
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3263 // Return in VAL a string, either delimited by whitespace/delimiters, or
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3264 // enclosed in a pair of double quotes ("..."). Enclosing quotes are
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3265 // removed. A consecutive pair "" is inserted into VAL as a single ".
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3266
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3267 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3268 textscan::scan_qstring (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3269 std::string& val)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3270 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3271 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3272
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3273 if (is.peek_undelim () != '"')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3274 scan_string (is, fmt, val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3275 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3276 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3277 is.get ();
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3278 scan_caret (is, R"(")", val); // read everything until "
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3279 is.get (); // swallow "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3280
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3281 while (is && is.peek_undelim () == '"') // if double ",
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3282 { // insert one in stream,
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3283 is.get (); // keep looking for single "
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3284 std::string val1;
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3285 scan_caret (is, R"(")", val1);
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3286 val = val + '"' + val1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3287 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3288 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3289 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3290
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3291 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3292 if (m_encoding.compare ("utf-8"))
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3293 val = string::u8_from_encoding ("textscan", val, m_encoding);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3294 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3295
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3296 // Read from IS into VAL a string of the next fmt.width characters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3297 // including any whitespace or delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3298
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3299 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3300 textscan::scan_cstring (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3301 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3302 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3303 val.resize (fmt.width);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3304
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3305 for (unsigned int i = 0; is && i < fmt.width; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3306 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3307 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3308 if (ch != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3309 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3310 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3311 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3312 val.resize (i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3313 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3314 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3315 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3316
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3317 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3318 if (m_encoding.compare ("utf-8"))
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3319 val = string::u8_from_encoding ("textscan", val, m_encoding);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3320 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3321
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3322 // Read a single '%...' conversion and place it in position ROW of OV.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3323
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3324 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3325 textscan::scan_one (delimited_stream& is, const textscan_format_elt& fmt,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3326 octave_value& ov, Array<octave_idx_type> row)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3327 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3328 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3329
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3330 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3331
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3332 octave_value val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3333 if (fmt.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3334 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3335 if (fmt.type == 'f' || fmt.type == 'n')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3336 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3337 Complex v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3338 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3339 scan_complex (is, fmt, v);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3340
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3341 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3342 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3343 if (fmt.bitwidth == 64)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3344 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3345 if (ov.isreal () && v.imag () == 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3346 ov.internal_rep ()->fast_elem_insert (row(0), v.real ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3347 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3348 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3349 if (ov.isreal ()) // cat does type conversion
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
3350 ov = cat_op (ov, octave_value (v), row);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3351 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3352 ov.internal_rep ()->fast_elem_insert (row(0), v);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3353 }
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3354 }
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3355 else
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3356 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3357 if (ov.isreal () && v.imag () == 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3358 ov.internal_rep ()->fast_elem_insert (row(0),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3359 float (v.real ()));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3360 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3361 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3362 if (ov.isreal ()) // cat does type conversion
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
3363 ov = cat_op (ov, octave_value (v), row);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3364 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3365 ov.internal_rep ()->fast_elem_insert (row(0),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3366 FloatComplex (v));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3367 }
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3368 }
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3369 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3370 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3371 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3372 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3373 double v; // Matlab docs say 1e30 etc should be valid for %d and
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3374 // 1000 as a %d8 should be 127, so read as double.
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3375 // Some loss of precision for d64 and u64.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3376 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3377 v = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3378 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3379 switch (fmt.bitwidth)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3380 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3381 case 64:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3382 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3383 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3384 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3385 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3386 octave_int64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3387 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3388 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3389 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3390
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3391 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3392 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3393 octave_uint64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3394 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3395 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3396 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3397 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3398 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3399
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3400 case 32:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3401 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3402 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3403 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3404 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3405 octave_int32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3406 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3407 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3408 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3409
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3410 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3411 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3412 octave_uint32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3413 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3414 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3415 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3416 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3417 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3418
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3419 case 16:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3420 if (fmt.type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3421 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3422 octave_int16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3423 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3424 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3425 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3426 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3427 octave_uint16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3428 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3429 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3430 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3431
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3432 case 8:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3433 if (fmt.type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3434 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3435 octave_int8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3436 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3437 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3438 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3439 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3440 octave_uint8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3441 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3442 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3443 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3444 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3445 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3446
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3447 if (is.fail () & ! fmt.discard)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3448 ov = cat_op (ov, m_empty_value, row);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3449 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3450 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3451 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3452 std::string vv (" "); // initial buffer. Grows as needed
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3453 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3454 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3455 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3456 scan_string (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3457 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3458
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3459 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3460 scan_qstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3461 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3462
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3463 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3464 scan_cstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3465 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3466
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3467 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3468 scan_bracket (is, fmt.char_class.c_str (), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3469 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3470
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3471 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3472 scan_caret (is, fmt.char_class.c_str (), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3473 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3474 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3475
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3476 if (! fmt.discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3477 ov.internal_rep ()->fast_elem_insert (row (0),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3478 Cell (octave_value (vv)));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3479
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3480 // FIXME: why does failbit get set at EOF, instead of eofbit?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3481 if (! vv.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3482 is.clear (is.rdstate () & ~std::ios_base::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3483 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3484
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3485 is.field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3486 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3487
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3488 // Read data corresponding to the entire format string once, placing the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3489 // values in row ROW of retval.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3490
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3491 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3492 textscan::read_format_once (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3493 textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3494 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3495 Array<octave_idx_type> row, int& done_after)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3496 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3497 const textscan_format_elt *elem = fmt_list.first ();
25337
3ff9192b676e use auto keyword to declare iterator variables where possible
John W. Eaton <jwe@octave.org>
parents: 25336
diff changeset
3498 auto out = retval.begin ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3499 bool no_conversions = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3500 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3501 bool conversion_failed = false; // Record for ReturnOnError
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3502 bool nothing_worked = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3503
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3504 octave_quit ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3505
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
3506 for (std::size_t i = 0; i < fmt_list.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3507 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3508 bool this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3509
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3510 // Clear fail of previous numeric conversions.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3511 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3512
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3513 switch (elem->type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3514 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3515 case 'C':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3516 case 'D':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3517 warning ("%s: conversion %c not yet implemented",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3518 m_who.c_str (), elem->type);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3519 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3520
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3521 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3522 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3523 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3524 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3525 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3526 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3527 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3528 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3529 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3530 scan_one (is, *elem, *out, row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3531 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3532
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3533 case textscan_format_elt::literal_conversion :
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3534 match_literal (is, *elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3535 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3536
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3537 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3538 error ("Unknown format element '%c'", elem->type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3539 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3540
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3541 if (! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3542 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3543 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3544 no_conversions = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3545 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3546 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3547 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3548 is.clear (is.rdstate () & ~std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3549
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3550 if (! is.eof ())
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3551 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3552 if (m_delim_list.isempty ())
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3553 {
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3554 if (! is_delim (is.peek_undelim ()))
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3555 this_conversion_failed = true;
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3556 }
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3557 else // Cell array of multi-character delimiters
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3558 {
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3559 char *pos = is.tellg ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3560 if (-1 == lookahead (is, m_delim_list, m_delim_len))
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3561 this_conversion_failed = true;
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3562 is.clear ();
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3563 is.seekg (pos); // reset to position before look-ahead
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3564 }
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3565 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3566 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3567
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3568 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3569 out++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3570
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3571 elem = fmt_list.next ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3572 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3573
28182
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3574 // Skip delimiter before reading the next fmt conversion,
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3575 // unless the fmt is a string literal which begins with a delimiter,
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3576 // in which case the literal must match everything. Bug #58008
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3577 if (elem->type != textscan_format_elt::literal_conversion)
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3578 skip_delim (is);
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3579 else if (! is_delim (elem->text[0]))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3580 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3581
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3582 if (is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3583 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3584 if (! done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3585 done_after = i+1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3586
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3587 // note EOF, but process others to get empty_val.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3588 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3589 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3590
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3591 if (this_conversion_failed)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3592 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3593 if (is.tellg () == pos && ! conversion_failed)
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3594 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3595 // done_after = first failure
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3596 done_after = i; // note fail, but parse others to get empty_val
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3597 conversion_failed = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3598 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3599 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3600 this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3601 }
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22407
diff changeset
3602 else if (! done && ! conversion_failed)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3603 nothing_worked = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3604 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3605
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3606 if (done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3607 is.setstate (std::ios::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3608
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3609 return no_conversions
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3610 + (is.eof () ? 2 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3611 + (conversion_failed ? 4 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3612 + (nothing_worked ? 8 : 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3613
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3614 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3615
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3616 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3617 textscan::parse_options (const octave_value_list& args,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3618 textscan_format_list& fmt_list)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3619 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3620 int last = args.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3621 int n = last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3622
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3623 if (n & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3624 error ("%s: %d parameters given, but only %d values",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3625 m_who.c_str (), n-n/2, n/2);
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3626
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3627 m_delim_len = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3628 bool have_delims = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3629 for (int i = 0; i < last; i += 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3630 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3631 std::string param = args(i).xstring_value ("%s: Invalid parameter type <%s> for parameter %d",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3632 m_who.c_str (),
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3633 args(i).type_name ().c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3634 i/2 + 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3635 std::transform (param.begin (), param.end (), param.begin (), ::tolower);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3636
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3637 if (param == "delimiter")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3638 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3639 bool invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3640 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3641 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3642 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3643 have_delims = true;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3644 m_delims = args(i+1).string_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3645 if (args(i+1).is_sq_string ())
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3646 m_delims = do_string_escapes (m_delims);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3647 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3648 else if (args(i+1).iscell ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3649 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3650 invalid = false;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3651 m_delim_list = args(i+1).cell_value ();
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3652 m_delim_table = " "; // non-empty, to flag non-default delim
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3653
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3654 // Check that all elements are strings, and find max length
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3655 for (int j = 0; j < m_delim_list.numel (); j++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3656 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3657 if (! m_delim_list(j).is_string ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3658 invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3659 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3660 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3661 if (m_delim_list(j).is_sq_string ())
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3662 m_delim_list(j) = do_string_escapes (m_delim_list(j)
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
3663 .string_value ());
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3664 octave_idx_type len = m_delim_list(j).string_value ()
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3665 .length ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3666 m_delim_len = std::max (static_cast<int> (len),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3667 m_delim_len);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3668 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3669 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3670 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3671 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3672 error ("%s: Delimiters must be either a string or cell array of strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3673 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3674 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3675 else if (param == "commentstyle")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3676 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3677 if (args(i+1).is_string ())
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3678 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3679 // check here for names like "C++", "C", "shell", ...?
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3680 m_comment_style = Cell (args(i+1));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3681 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3682 else if (args(i+1).iscell ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3683 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3684 m_comment_style = args(i+1).cell_value ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3685 int len = m_comment_style.numel ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3686 if ((len >= 1 && ! m_comment_style (0).is_string ())
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3687 || (len >= 2 && ! m_comment_style (1).is_string ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3688 || (len >= 3))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3689 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3690 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3691 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3692 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3693 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3694 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3695
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3696 // How far ahead do we need to look to detect an open comment
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3697 // and which character do we look for?
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3698 if (m_comment_style.numel () >= 1)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3699 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3700 m_comment_len = m_comment_style (0).string_value ().size ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3701 m_comment_char = m_comment_style (0).string_value ()[0];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3702 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3703 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3704 else if (param == "treatasempty")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3705 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3706 bool invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3707 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3708 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3709 m_treat_as_empty = Cell (args(i+1));
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3710 m_treat_as_empty_len = args(i+1).string_value ().size ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3711 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3712 else if (args(i+1).iscell ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3713 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3714 m_treat_as_empty = args(i+1).cell_value ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3715 for (int j = 0; j < m_treat_as_empty.numel (); j++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3716 if (! m_treat_as_empty (j).is_string ())
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3717 invalid = true;
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3718 else
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3719 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3720 int k = m_treat_as_empty (j).string_value ().size ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3721 if (k > m_treat_as_empty_len)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3722 m_treat_as_empty_len = k;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3723 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3724 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3725 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3726 error ("%s: TreatAsEmpty must be either a string or cell array of one or two strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3727 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3728
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3729 // FIXME: Ensure none is a prefix of a later one. Sort by length?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3730 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3731 else if (param == "collectoutput")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3732 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3733 m_collect_output = args(i+1).xbool_value ("%s: CollectOutput must be logical or numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3734 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3735 else if (param == "emptyvalue")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3736 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3737 m_empty_value = args(i+1).xscalar_value ("%s: EmptyValue must be numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3738 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3739 else if (param == "headerlines")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3740 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3741 m_header_lines = args(i+1).xscalar_value ("%s: HeaderLines must be numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3742 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3743 else if (param == "bufsize")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3744 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3745 m_buffer_size = args(i+1).xscalar_value ("%s: BufSize must be numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3746 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3747 else if (param == "multipledelimsasone")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3748 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3749 multiple_delims_as_one = args(i+1).xbool_value ("%s: MultipleDelimsAsOne must be logical or numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3750 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3751 else if (param == "returnonerror")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3752 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3753 m_return_on_error = args(i+1).xbool_value ("%s: ReturnOnError must be logical or numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3754 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3755 else if (param == "whitespace")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3756 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3757 m_whitespace = args(i+1).xstring_value ("%s: Whitespace must be a character string", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3758 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3759 else if (param == "expchars")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3760 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3761 m_exp_chars = args(i+1).xstring_value ("%s: ExpChars must be a character string", m_who.c_str ());
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3762 m_default_exp = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3763 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3764 else if (param == "endofline")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3765 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3766 bool valid = true;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3767 std::string s = args(i+1).xstring_value (R"(%s: EndOfLine must be at most one character or '\r\n')", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3768 if (args(i+1).is_sq_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3769 s = do_string_escapes (s);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3770 int l = s.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3771 if (l == 0)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3772 m_eol1 = m_eol2 = -2;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3773 else if (l == 1)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3774 m_eol1 = m_eol2 = s.c_str ()[0];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3775 else if (l == 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3776 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3777 m_eol1 = s.c_str ()[0];
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3778 m_eol2 = s.c_str ()[1];
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3779 if (m_eol1 != '\r' || m_eol2 != '\n') // Why limit it?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3780 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3781 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3782 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3783 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3784
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3785 if (! valid)
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23803
diff changeset
3786 error (R"(%s: EndOfLine must be at most one character or '\r\n')",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3787 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3788 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3789 else
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3790 error ("%s: unrecognized option '%s'", m_who.c_str (), param.c_str ());
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3791 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3792
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3793 // Remove any user-supplied delimiter from whitespace list
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3794 for (unsigned int j = 0; j < m_delims.length (); j++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3795 {
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3796 m_whitespace.erase (std::remove (m_whitespace.begin (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3797 m_whitespace.end (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3798 m_delims[j]),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3799 m_whitespace.end ());
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3800 }
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3801 for (int j = 0; j < m_delim_list.numel (); j++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3802 {
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3803 std::string delim = m_delim_list(j).string_value ();
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3804 if (delim.length () == 1)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3805 m_whitespace.erase (std::remove (m_whitespace.begin (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3806 m_whitespace.end (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3807 delim[0]),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3808 m_whitespace.end ());
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3809 }
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3810
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3811 m_whitespace_table = std::string (256, '\0');
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3812 for (unsigned int i = 0; i < m_whitespace.length (); i++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3813 m_whitespace_table[m_whitespace[i]] = '1';
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3814
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3815 // For Matlab compatibility, add 0x20 to whitespace, unless
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3816 // whitespace is explicitly ignored.
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3817 if (! (m_whitespace.empty () && fmt_list.has_string))
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3818 m_whitespace_table[' '] = '1';
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3819
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3820 // Create look-up table of delimiters, based on 'delimiter'
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3821 m_delim_table = std::string (256, '\0');
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3822 if (m_eol1 >= 0 && m_eol1 < 256)
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3823 m_delim_table[m_eol1] = '1'; // EOL is always a delimiter
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3824 if (m_eol2 >= 0 && m_eol2 < 256)
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3825 m_delim_table[m_eol2] = '1'; // EOL is always a delimiter
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3826 if (! have_delims)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3827 for (unsigned int i = 0; i < 256; i++)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3828 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3829 if (isspace (i))
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3830 m_delim_table[i] = '1';
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3831 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3832 else
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3833 for (unsigned int i = 0; i < m_delims.length (); i++)
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3834 m_delim_table[m_delims[i]] = '1';
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3835 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3836
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3837 // Skip comments, and characters specified by the "Whitespace" option.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3838 // If EOLstop == true, don't skip end of line.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3839
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3840 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3841 textscan::skip_whitespace (delimited_stream& is, bool EOLstop)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3842 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3843 int c1 = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3844 bool found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3845
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3846 do
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3847 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3848 found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3849 int prev = -1;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3850 while (is
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3851 && (c1 = is.get_undelim ()) != std::istream::traits_type::eof ()
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3852 && ( ( (c1 == m_eol1 || c1 == m_eol2) && ++m_lines && ! EOLstop)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3853 || isspace (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3854 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3855 if (prev == m_eol1 && m_eol1 != m_eol2 && c1 == m_eol2)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3856 m_lines--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3857 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3858 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3859
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3860 if (c1 == m_comment_char) // see if we match an open comment
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3861 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3862 // save stream state in case we have to restore it
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3863 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3864 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3865
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3866 std::string tmp (m_comment_len, '\0');
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3867 char *look = is.read (&tmp[0], m_comment_len-1, pos); // already read first char
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3868 if (is && m_comment_style.numel () > 0
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3869 && ! strncmp (m_comment_style(0).string_value ().substr (1).c_str (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3870 look, m_comment_len-1))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3871 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3872 found_comment = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3873
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3874 std::string dummy;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3875 if (m_comment_style.numel () == 1) // skip to end of line
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3876 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3877 std::string eol (3, '\0');
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3878 eol[0] = m_eol1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3879 eol[1] = m_eol2;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3880
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3881 scan_caret (is, eol, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3882 c1 = is.get_undelim ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3883 if (c1 == m_eol1 && m_eol1 != m_eol2
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3884 && is.peek_undelim () == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3885 is.get_undelim ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3886 m_lines++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3887 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3888 else // matching pair
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3889 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3890 std::string end_c = m_comment_style(1).string_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3891 // last char of end-comment sequence
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3892 std::string last = end_c.substr (end_c.size () - 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3893 std::string may_match ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3894 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3895 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3896 // find sequence ending with last char
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3897 scan_caret (is, last, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3898 is.get_undelim (); // (read LAST itself)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3899
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3900 may_match = may_match + dummy + last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3901 if (may_match.length () > end_c.length ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3902 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3903 std::size_t start = may_match.length ()
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3904 - end_c.length ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3905 may_match = may_match.substr (start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3906 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3907 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3908 while (may_match != end_c && is && ! is.eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3909 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3910 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3911 else // wasn't really a comment; restore state
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3912 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3913 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3914 is.seekg (pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3915 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3916 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3917 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3918 while (found_comment);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3919
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3920 if (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3921 is.putback (c1);
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3922
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3923 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3924 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3925
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3926 // See if the next few characters match one of the strings in target.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3927 // For efficiency, MAX_LEN is the cached longest length of any target.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3928 // Return -1 if none is found, or the index of the match.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3929
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3930 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3931 textscan::lookahead (delimited_stream& is, const Cell& targets, int max_len,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3932 bool case_sensitive) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3933 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3934 // target strings may be different sizes.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3935 // Read ahead longest, put it all back, then re-read the string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3936 // that matches.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3937
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3938 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3939
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3940 std::string tmp (max_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3941 char *look = is.read (&tmp[0], tmp.size (), pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3942
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3943 is.clear ();
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3944 is.seekg (pos); // reset to position before read
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3945 // FIXME: pos may be corrupted by is.read
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3946
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3947 int i;
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
3948 int (*compare)(const char *, const char *, std::size_t);
30536
9e47c6f6b548 Use octave_strncasecmp wrapper instead of strncasecmp.
Gene Harvey <gharveymn@gmail.com>
parents: 30390
diff changeset
3949 compare = (case_sensitive ? strncmp : octave_strncasecmp);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3950
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3951 for (i = 0; i < targets.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3952 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3953 std::string s = targets (i).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3954 if (! (*compare) (s.c_str (), look, s.size ()))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3955 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3956 is.read (&tmp[0], s.size (), pos); // read just the right amount
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3957 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3958 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3959 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3960
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3961 if (i == targets.numel ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3962 i = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3963
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3964 return i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3965 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3966
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3967 // Skip delimiters -- multiple if MultipleDelimsAsOne specified.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3968 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3969 textscan::skip_delim (delimited_stream& is)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3970 {
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3971 int c1 = skip_whitespace (is); // Stop once EOL is read
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3972 if (m_delim_list.numel () == 0) // single character delimiter
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3973 {
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3974 if (is_delim (c1) || c1 == m_eol1 || c1 == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3975 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3976 is.get ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3977 if (c1 == m_eol1 && is.peek_undelim () == m_eol2)
30828
cfb708de1fc9 textscan: Refresh buffer with overlay (bug #62152).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30822
diff changeset
3978 is.get (); // if \r\n, skip the \n too.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3979
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3980 if (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3981 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3982 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3983 // skip multiple delims.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3984 // Increment lines for each end-of-line seen;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3985 // Decrement for \r\n
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3986 while (is && ((c1 = is.get_undelim ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3987 != std::istream::traits_type::eof ())
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3988 && (((c1 == m_eol1 || c1 == m_eol2) && ++m_lines)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3989 || isspace (c1) || is_delim (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3990 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3991 if (prev == m_eol1 && m_eol1 != m_eol2 && c1 == m_eol2)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3992 m_lines--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3993 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3994 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3995 if (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3996 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3997 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3998 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3999 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4000 else // multi-character delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4001 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4002 int first_match;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4003
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4004 if (c1 == m_eol1 || c1 == m_eol2
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4005 || (-1 != (first_match = lookahead (is, m_delim_list, m_delim_len))))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4006 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4007 if (c1 == m_eol1)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4008 {
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
4009 is.get_undelim ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4010 if (is.peek_undelim () == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4011 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4012 }
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4013 else if (c1 == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4014 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4015 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4016 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4017
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4018 if (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4019 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4020 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4021 // skip multiple delims.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4022 // Increment lines for each end-of-line seen;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4023 // decrement for \r\n.
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
4024 while (is && ((c1 = skip_whitespace (is))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4025 != std::istream::traits_type::eof ())
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4026 && (((c1 == m_eol1 || c1 == m_eol2) && ++m_lines)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4027 || -1 != lookahead (is, m_delim_list, m_delim_len)))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4028 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4029 if (prev == m_eol1 && m_eol1 != m_eol2 && c1 == m_eol2)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
4030 m_lines--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4031 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4032 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4033 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4034 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4035 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4036
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4037 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4038 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4039
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4040 // Read in as much of the input as coincides with the literal in the
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4041 // format string. Return "true" if the entire literal is matched, else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4042 // false (and set failbit).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4043
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4044 bool
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4045 textscan::match_literal (delimited_stream& is,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4046 const textscan_format_elt& fmt)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4047 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4048 // "false" -> treat EOL as normal space
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4049 // since a delimiter at the start of a line is a mismatch, not empty field
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4050 skip_whitespace (is, false);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4051
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4052 for (unsigned int i = 0; i < fmt.width; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4053 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4054 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4055 if (ch != fmt.text[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4056 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4057 if (ch != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4058 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4059 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4060 return false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4061 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4062 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4063 return true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4064 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4065
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4066 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4067 base_stream::error (const std::string& msg)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4068 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4069 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4070 m_errmsg = msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4071 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4072
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4073 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4074 base_stream::error (const std::string& who, const std::string& msg)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4075 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4076 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4077 m_errmsg = who + ": " + msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4078 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4079
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4080 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4081 base_stream::clear (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4082 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4083 m_fail = false;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4084 m_errmsg = "";
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4085 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4086
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4087 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4088 base_stream::clearerr (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4089 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4090 std::istream *is = input_stream ();
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
4091 std::ostream *os = preferred_output_stream ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4092
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4093 if (is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4094 is->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4095
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4096 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4097 os->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4098 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4099
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4100 // Functions that are defined for all input streams (input streams
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4101 // are those that define is).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4102
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4103 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4104 base_stream::do_gets (octave_idx_type max_len, bool& err,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4105 bool strip_newline, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4106 {
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30868
diff changeset
4107 interpreter& interp = __get_interpreter__ ();
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4108
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4109 if (interp.interactive () && file_number () == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4110 ::error ("%s: unable to read from stdin while running interactively",
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4111 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4112
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4113 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4114
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4115 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4116
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4117 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4118
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4119 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4120 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4121 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4122 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4123 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4124 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4125 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4126 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4128 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4129
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4130 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4131 int char_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4132
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4133 if (max_len != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4134 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4135 while (is && (c = is.get ()) != std::istream::traits_type::eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4136 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4137 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4138
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4139 // Handle CRLF, CR, or LF as line ending.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4140 if (c == '\r')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4141 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4142 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4143 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4144
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4145 c = is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4146
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4147 if (c != std::istream::traits_type::eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4148 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4149 if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4150 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4151 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4152
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4153 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4154 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4155 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4156 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4157 is.putback (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4158 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4159
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4160 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4161 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4162 else if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4163 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4164 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4165 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4166
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4167 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4168 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4169 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4170 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4171
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4172 if (max_len > 0 && char_count == max_len)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4173 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4174 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4175 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4176
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4177 if (! is.eof () && char_count > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4178 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4179 // GAGME. Matlab seems to check for EOF even if the last character
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4180 // in a file is a newline character. This is NOT what the
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4181 // corresponding C-library functions do.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4182 int disgusting_compatibility_hack = is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4183 if (! is.eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4184 is.putback (disgusting_compatibility_hack);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4185 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4186
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4187 if (is.good () || (is.eof () && char_count > 0))
27564
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4188 {
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4189 retval = buf.str ();
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4190 if (encoding ().compare ("utf-8"))
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4191 retval = string::u8_from_encoding (who, retval, encoding ());
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4192 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4193 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4194 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4195 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4196
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4197 if (is.eof () && char_count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4198 error (who, "at end of file");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4199 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4200 error (who, "read error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4201 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4202 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4203
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4204 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4205 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4206
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4207 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4208 base_stream::getl (octave_idx_type max_len, bool& err,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4209 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4210 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4211 return do_gets (max_len, err, true, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4212 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4213
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4214 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4215 base_stream::gets (octave_idx_type max_len, bool& err,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4216 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4217 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4218 return do_gets (max_len, err, false, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4219 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4220
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4221 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4222 base_stream::skipl (off_t num, bool& err, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4223 {
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30868
diff changeset
4224 interpreter& interp = __get_interpreter__ ();
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4225
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4226 if (interp.interactive () && file_number () == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4227 ::error ("%s: unable to read from stdin while running interactively",
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4228 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4229
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4230 off_t cnt = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4231
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4232 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4233
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4234 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4235
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4236 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4237 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4238 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4239 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4240 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4241 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4242 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4243 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4244
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4245 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4246 int lastc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4247 cnt = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4248
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4249 while (is && (c = is.get ()) != std::istream::traits_type::eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4250 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4251 // Handle CRLF, CR, or LF as line ending.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4252 if (c == '\r' || (c == '\n' && lastc != '\r'))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4253 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4254 if (++cnt == num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4255 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4256 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4257
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4258 lastc = c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4259 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4260
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4261 // Maybe eat the following \n if \r was just met.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4262 if (c == '\r' && is.peek () == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4263 is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4264
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4265 if (is.bad ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4266 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4267 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4268 error (who, "read error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4269 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4270
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4271 if (err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4272 cnt = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4273 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4274
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4275 return cnt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4276 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4278 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4279 static std::istream&
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4280 octave_scan_1 (std::istream& is, const scanf_format_elt& fmt,
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4281 T *valptr)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4282 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4283 T value = T ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4284
31501
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4285 is >> std::ws; // skip through whitespace and advance stream pointer
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4286 std::streampos pos = is.tellg ();
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4287
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4288 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4289 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4290 case 'o':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4291 is >> std::oct >> value >> std::dec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4292 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4293
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4294 case 'x':
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4295 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4296 is >> std::hex >> value >> std::dec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4297 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4298
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4299 case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4300 {
31501
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4301 int c1 = is.get ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4302
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4303 if (c1 != std::istream::traits_type::eof ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4304 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4305 if (c1 == '0')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4306 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4307 int c2 = is.peek ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4308
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4309 if (c2 == 'x' || c2 == 'X')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4310 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4311 is.ignore ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4312 if (std::isxdigit (is.peek ()))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4313 is >> std::hex >> value >> std::dec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4314 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4315 value = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4316 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4317 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4318 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4319 if (c2 == '0' || c2 == '1' || c2 == '2'
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4320 || c2 == '3' || c2 == '4' || c2 == '5'
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4321 || c2 == '6' || c2 == '7')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4322 is >> std::oct >> value >> std::dec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4323 else if (c2 == '8' || c2 == '9')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4324 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4325 // FIXME: Would like to set error state on octave
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4326 // stream. See bug #46493. But only std::istream is
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4327 // input to fcn.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4328 // error ("internal failure to match octal format");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4329 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4330 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4331 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4332 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4333 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4334 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4335 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4336 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4337 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4338
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4339 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4340 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4341 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4342 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4343 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4344
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4345 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4346 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4347 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4348 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4349
31501
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4350 std::ios::iostate status = is.rdstate ();
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4351 if (! (status & std::ios::failbit))
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4352 {
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4353 // Copy the converted value if the stream is in a good state
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4354 *valptr = value;
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4355 }
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4356 else
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4357 {
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4358 if (value != T ())
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4359 {
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4360 // If conversion produces an integer that overflows, failbit is set
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4361 // but value is non-zero. We want to treat this case as success,
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4362 // so clear failbit from the stream state to keep going.
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4363 // FIXME: Maybe set error state on octave stream? Matlab does
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4364 // *not* indicate an error message on overflow.
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4365 is.clear (status & ~std::ios::failbit);
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4366 *valptr = value;
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4367 }
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4368 else
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4369 {
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4370 // True error.
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4371 // Reset stream to original position, clear eof bit, pass status on.
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4372 is.clear ();
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4373 is.seekg (pos);
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4374 is.setstate (status & ~std::ios_base::eofbit);
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4375 }
2d38bc5a35db Fix scanf edge case with '-' character in last position and '%d' conversion (bug #63383)
Rik <rik@octave.org>
parents: 31500
diff changeset
4376 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4377
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4378 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4379 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4380
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4381 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4382 static std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4383 octave_scan (std::istream& is, const scanf_format_elt& fmt, T *valptr)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4384 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4385 if (fmt.width)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4386 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4387 // Limit input to fmt.width characters by reading into a
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4388 // temporary stringstream buffer.
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4389 std::string strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4390
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4391 auto orig_pos = is.tellg ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4392
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4393 is.width (fmt.width);
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4394 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4395
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4396 std::istringstream ss (strbuf);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4397
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4398 octave_scan_1 (ss, fmt, valptr);
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4399
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4400 if (! ss.eof ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4401 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4402 // If fewer characters than width were used to read a number then
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4403 // the original istream object positioning is incorrect.
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4404 // Rather than attempt to update istream state and positioning,
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4405 // just redo the '>>' operation with the correct width so that
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4406 // all flags get set correctly.
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4407
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4408 is.clear (); // Clear EOF, FAILBIT, BADBIT
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4409 is.seekg (orig_pos, is.beg);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4410
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4411 int chars_read = ss.tellg ();
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4412 if (chars_read > 0)
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4413 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4414 is.width (chars_read);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4415 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4416 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4417 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4418
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4419 // If pattern failed to match then propagate fail bit to 'is' stream.
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4420 if (ss.fail ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4421 is.setstate (std::ios::failbit);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4422
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4423 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4424 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4425 octave_scan_1 (is, fmt, valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4426
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4427 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4428 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4429
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4430 template <>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4431 std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4432 octave_scan<> (std::istream& is, const scanf_format_elt& fmt, double *valptr)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4433 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4434 double& ref = *valptr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4435
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4436 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4437 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4438 case 'e':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4439 case 'f':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4440 case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4441 case 'E':
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4442 case 'G':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4443 {
31504
d006285b7509 Fix scanf handling of bare '-' character for floating point formats (bug #63383)
Rik <rik@octave.org>
parents: 31503
diff changeset
4444 is >> std::ws; // skip through whitespace and advance stream pointer
31542
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4445 if (is.good ())
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4446 {
31542
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4447 std::streampos pos = is.tellg ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4448
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
4449 ref = read_value<double> (is);
31542
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4450
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4451 std::ios::iostate status = is.rdstate ();
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4452 if (status & std::ios::failbit)
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4453 {
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4454 is.clear ();
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4455 is.seekg (pos);
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4456 is.setstate (status & ~std::ios_base::eofbit);
2f08a53e0a23 Fix scanf handling of exceptional values (NA, NaN, Inf) at EOF (bug #63383)
Rik <rik@octave.org>
parents: 31504
diff changeset
4457 }
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4458 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4459 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4460 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4462 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4463 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4464 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4465 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4466
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4467 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4468 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4469
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4470 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4471 static void
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4472 do_scanf_conv (std::istream& is, const scanf_format_elt& fmt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4473 T valptr, Matrix& mval, double *data, octave_idx_type& idx,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4474 octave_idx_type& conversion_count, octave_idx_type nr,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4475 octave_idx_type max_size, bool discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4476 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4477 octave_scan (is, fmt, valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4478
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4479 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4480 return;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4481
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4482 if (idx == max_size && ! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4483 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4484 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4485
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4486 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4487 mval.resize (nr, max_size / nr, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4488 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4489 mval.resize (max_size, 1, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4490
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4491 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4492 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4493
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4494 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4495 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4496 conversion_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4497 data[idx++] = *(valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4498 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4499 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4500
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4501 template void
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
4502 do_scanf_conv (std::istream&, const scanf_format_elt&, double *,
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
4503 Matrix&, double *, octave_idx_type&, octave_idx_type&,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4504 octave_idx_type, octave_idx_type, bool);
2572
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
4505
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4506 #define DO_WHITESPACE_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4507 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4508 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4509 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4510 \
31502
b39bf92a2364 scanf: Reset failbit when reaching eof while scanning for whitespace (bug #62723).
Markus Mützel <markus.muetzel@gmx.de>
parents: 31501
diff changeset
4511 /* get all whitespace characters */ \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4512 while (is && (c = is.get ()) != std::istream::traits_type::eof () \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4513 && isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4514 { /* skip whitespace */ } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4515 \
31502
b39bf92a2364 scanf: Reset failbit when reaching eof while scanning for whitespace (bug #62723).
Markus Mützel <markus.muetzel@gmx.de>
parents: 31501
diff changeset
4516 if (c == std::istream::traits_type::eof ()) \
b39bf92a2364 scanf: Reset failbit when reaching eof while scanning for whitespace (bug #62723).
Markus Mützel <markus.muetzel@gmx.de>
parents: 31501
diff changeset
4517 /* reset failbit at eof */ \
b39bf92a2364 scanf: Reset failbit when reaching eof while scanning for whitespace (bug #62723).
Markus Mützel <markus.muetzel@gmx.de>
parents: 31501
diff changeset
4518 is.clear (is.rdstate () & (~std::ios::failbit)); \
b39bf92a2364 scanf: Reset failbit when reaching eof while scanning for whitespace (bug #62723).
Markus Mützel <markus.muetzel@gmx.de>
parents: 31501
diff changeset
4519 else \
b39bf92a2364 scanf: Reset failbit when reaching eof while scanning for whitespace (bug #62723).
Markus Mützel <markus.muetzel@gmx.de>
parents: 31501
diff changeset
4520 /* put back non-whitespace character */ \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4521 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4522 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4523 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4524
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4525 #define DO_LITERAL_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4526 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4527 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4528 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4529 \
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4530 int n = fmt.length (); \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4531 int i = 0; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4532 \
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4533 while (i < n && is \
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4534 && (c = is.get ()) != std::istream::traits_type::eof ()) \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4535 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4536 if (c == static_cast<unsigned char> (fmt[i])) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4537 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4538 i++; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4539 continue; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4540 } \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4541 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4542 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4543 is.putback (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4544 break; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4545 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4546 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4547 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4548 if (i != n) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4549 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4550 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4551 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4552
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4553 #define DO_PCT_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4554 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4555 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4556 int c = is.get (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4557 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4558 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4559 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4560 if (c != '%') \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4561 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4562 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4563 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4564 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4565 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4566 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4567 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4568 } \
3640
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4569 while (0)
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4570
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4571 #define BEGIN_C_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4572 is.unsetf (std::ios::skipws); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4573 \
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
4574 int width = (elt->width ? elt->width : 1); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4575 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4576 std::string tmp (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4577 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4578 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4579 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4580 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4581 while (is && n < width \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4582 && (c = is.get ()) != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4583 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4584 \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4585 if (c == std::istream::traits_type::eof ()) \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4586 is.clear (is.rdstate () & (~std::ios::failbit)); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4587 \
12984
7626f8934466 correctly resize scanf output for %c formats (bug #34037)
John W. Eaton <jwe@octave.org>
parents: 12966
diff changeset
4588 tmp.resize (n)
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4589
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4590 // For a '%s' format, skip initial whitespace and then read until the
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4591 // next whitespace character or until WIDTH characters have been read.
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4592 #define BEGIN_S_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4593 int width = elt->width; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4594 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4595 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4596 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4597 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4598 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4599 if (width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4600 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4601 tmp = std::string (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4602 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4603 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4604 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4605 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4606 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4607 while (is && (c = is.get ()) != std::istream::traits_type::eof ()) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4608 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4609 if (! isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4610 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4611 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4612 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4613 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4614 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4615 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4616 while (is && n < width \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4617 && (c = is.get ()) != std::istream::traits_type::eof ()) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4618 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4619 if (isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4620 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4621 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4622 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4623 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4624 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4625 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4626 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4627 \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4628 if (c == std::istream::traits_type::eof ()) \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4629 is.clear (is.rdstate () & (~std::ios::failbit)); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4630 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4631 tmp.resize (n); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4632 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4633 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4634 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4635 is >> std::ws >> tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4636 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4637 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4638 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4639
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4640 // This format must match a nonempty sequence of characters.
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4641 #define BEGIN_CHAR_CLASS_CONVERSION() \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4642 int width = (elt->width ? elt->width \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4643 : std::numeric_limits<int>::max ()); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4644 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4645 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4646 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4647 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4648 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4649 std::ostringstream buf; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4650 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4651 std::string char_class = elt->char_class; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4652 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4653 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4654 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4655 if (elt->type == '[') \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4656 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4657 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4658 while (is && chars_read++ < width \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4659 && (c = is.get ()) != std::istream::traits_type::eof ()) \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4660 { \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4661 if (char_class.find (c) != std::string::npos) \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4662 buf << static_cast<char> (c); \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4663 else \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4664 { \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4665 is.putback (c); \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4666 break; \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4667 } \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4668 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4669 } \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4670 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4671 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4672 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4673 while (is && chars_read++ < width \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4674 && (c = is.get ()) != std::istream::traits_type::eof ()) \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4675 { \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4676 if (char_class.find (c) == std::string::npos) \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4677 buf << static_cast<char> (c); \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4678 else \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4679 { \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4680 is.putback (c); \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4681 break; \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4682 } \
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4683 } \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4684 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4685 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4686 tmp = buf.str (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4687 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4688 if (tmp.empty ()) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4689 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4690 else if (c == std::istream::traits_type::eof ()) \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4691 is.clear (is.rdstate () & (~std::ios::failbit)); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4692 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4693 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4694 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4695
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4696 #define FINISH_CHARACTER_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4697 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4698 { \
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
4699 if (encoding ().compare ("utf-8")) \
27102
84ff9953faa1 where possible, eliminate octave:: namespace qualifier inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 27069
diff changeset
4700 tmp = string::u8_from_encoding (who, tmp, encoding ()); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4701 width = tmp.length (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4702 \
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
4703 if (is && width > 0) \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4704 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4705 int i = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4706 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4707 if (! discard) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4708 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4709 conversion_count++; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4710 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4711 while (i < width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4712 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4713 if (data_index == max_size) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4714 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4715 max_size *= 2; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4716 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4717 if (all_char_conv) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4718 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4719 if (one_elt_size_spec) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4720 mval.resize (1, max_size, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4721 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4722 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4723 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4724 panic_impossible (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4725 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4726 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4727 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4728 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4729 mval.resize (max_size, 1, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4730 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4731 data = mval.fortran_vec (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4732 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4733 \
24496
62a7d3f292d6 Correctly handle reading of characters >127 in scanf family (bug #52681).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24303
diff changeset
4734 data[data_index++] = static_cast<unsigned char> \
62a7d3f292d6 Correctly handle reading of characters >127 in scanf family (bug #52681).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24303
diff changeset
4735 (tmp[i++]); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4736 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4737 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4738 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4739 } \
3410
ee5f222025c3 [project @ 2000-01-07 04:19:05 by jwe]
jwe
parents: 3342
diff changeset
4740 while (0)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
4741
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4742 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4743 base_stream::do_scanf (scanf_format_list& fmt_list,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4744 octave_idx_type nr, octave_idx_type nc,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4745 bool one_elt_size_spec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4746 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4747 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4748 {
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30868
diff changeset
4749 interpreter& interp = __get_interpreter__ ();
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4750
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4751 if (interp.interactive () && file_number () == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4752 ::error ("%s: unable to read from stdin while running interactively",
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4753 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4754
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4755 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4756
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4757 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4758
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4759 octave_idx_type m_nconv = fmt_list.num_conversions ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4760
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4761 octave_idx_type data_index = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4762
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4763 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4764 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4765 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4766 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4767
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4768 return Matrix (nr, nc, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4769 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4770
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4771 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4772
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4773 bool all_char_conv = fmt_list.all_character_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4774
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4775 Matrix mval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4776 octave_idx_type max_size = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4777 octave_idx_type max_conv = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4778
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4779 octave_idx_type final_nr = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4780 octave_idx_type final_nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4781
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4782 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4783 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4784 // Any of these could be resized later (if we have %s conversions,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4785 // we may read more than one element for each conversion).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4786 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4787 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4788 max_size = 512;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4789 mval.resize (1, max_size, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4790
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4791 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4792 max_conv = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4793 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4794 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4795 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4796 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4797 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4798 mval.resize (nr, nc, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4799 max_size = max_conv = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4800 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4801 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4802 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4803 mval.resize (nr, 32, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4804 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4805 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4806 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4807 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4808 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4809 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4810 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4811 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4812 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4813 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4814 // Will not resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4815 mval.resize (nr, nc, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4816 max_size = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4817 max_conv = max_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4818 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4819 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4820 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4821 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4822 mval.resize (nr, 32, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4823 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4824 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4825 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4826 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4827 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4828 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4829 mval.resize (32, 1, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4830 max_size = 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4831 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4832
26411
ab6b8d8e0307 oct-stream.cc: Fix static analyzer detected V519 issue (bug #55347).
Andreas Weber <octave@josoansi.de>
parents: 26376
diff changeset
4833 double *data = mval.fortran_vec ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4834
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4835 if (isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4836 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4837 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4838
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4839 const scanf_format_elt *elt = fmt_list.first ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4840
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4841 std::ios::fmtflags flags = is.flags ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4842
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4843 octave_idx_type trips = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4844
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4845 octave_idx_type num_fmt_elts = fmt_list.length ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4846
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4847 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4848 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4849 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4850
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4851 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4852 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4853 if (elt->type == scanf_format_elt::null
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4854 || (! (elt->type == scanf_format_elt::whitespace_conversion
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4855 || elt->type == scanf_format_elt::literal_conversion
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4856 || elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4857 && max_conv > 0 && conversion_count == max_conv))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4858 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4859 // We are done, either because we have reached the end of
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4860 // the format string and are not cycling through the format
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4861 // again or because we've converted all the values that
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4862 // have been requested and the next format element is a
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4863 // conversion. Determine final array size and exit.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4864 if (all_char_conv && one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4865 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4866 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4867 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4868 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4869 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4870 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4871 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4872 final_nc = (data_index - 1) / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4873 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4874
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4875 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4876 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4877 else if (data_index == max_size)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4878 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4879 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4880
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4881 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4882 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4883 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4884 mval.resize (1, max_size, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4885 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4886 mval.resize (nr, max_size / nr, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4887 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4888 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4889 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4890 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4891 mval.resize (nr, max_size / nr, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4892 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4893 mval.resize (max_size, 1, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4894
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4895 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4896 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4897
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4898 std::string fmt = elt->text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4899
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4900 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4901
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4902 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4903 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4904 case scanf_format_elt::whitespace_conversion:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4905 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4906 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4907
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4908 case scanf_format_elt::literal_conversion:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4909 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4910 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4911
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4912 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4913 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4914 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4915
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4916 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4917 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4918 switch (elt->modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4919 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4920 case 'h':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4921 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4922 int16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4923 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4924 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4925 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4926 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4927 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4928
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4929 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4930 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4931 int64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4932 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4933 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4934 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4935 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4936 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4937
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4938 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4939 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4940 int32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4941 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4942 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4943 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4944 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4945 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4946 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4947 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4948 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4949
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4950 case 'o': case 'u': case 'x': case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4951 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4952 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4953 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4954 case 'h':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4955 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4956 uint16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4957 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4958 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4959 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4960 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4961 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4962
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4963 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4964 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4965 uint64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4966 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4967 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4968 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4969 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4970 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4971
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4972 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4973 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4974 uint32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4975 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4976 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4977 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4978 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4979 break;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4980 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4981 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4982 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4983
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4984 case 'e': case 'f': case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4985 case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4986 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4987 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4988
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4989 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4990 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4991 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4992 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4993 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4994
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4995 case 'c':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4996 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4997 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4998
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4999 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5000
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5001 is.setf (flags);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5002 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5003 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5005 case 's':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5006 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5007 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5008
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5009 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5010 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5011 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5013 case '[': case '^':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5014 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5015 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5016
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5017 FINISH_CHARACTER_CONVERSION ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5018 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5019 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5020
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5021 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5022 error (who, "unsupported format specifier");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5023 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5024
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5025 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5026 error (who, "internal format error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5027 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5028 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5029
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5030 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5031 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5032 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5033 }
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5034 else if (is.eof () || ! is)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5035 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5036 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5037 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5038 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5039 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5040 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5041 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5042 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5043 else if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5044 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5045 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5046 final_nc = (data_index - 1) / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5047 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5048 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5049 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5050 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5051 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5052 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5053 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5054 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5055 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5056 if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5057 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5058 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5059 final_nc = (data_index - 1) / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5060 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5061 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5062 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5063 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5064 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5065 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5066 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5067 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5068 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5069 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5070 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5071 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5072
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5073 // If it looks like we have a matching failure, then
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5074 // reset the failbit in the stream state.
31500
6bd338605fd3 Overhaul scanf functionality for correctness and Matlab compatibility (bug #63383, bug #62723)
Rik <rik@octave.org>
parents: 31171
diff changeset
5075 if (is.rdstate () & std::ios::failbit)
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5076 {
31503
2a12350f9410 scanf: Do cleanup actions before throwing an error.
Markus Mützel <markus.muetzel@gmx.de>
parents: 31502
diff changeset
5077 is.clear (is.rdstate () & (~std::ios::failbit));
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5078 error (who, "format failed to match");
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5079 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5080
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5081 // FIXME: is this the right thing to do?
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5082 if (interp.interactive ()
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5083 && ! application::forced_interactive ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5084 && name () == "stdin")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5085 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5086 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5087
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5088 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5089 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5090 do_gets (-1, err, false, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5091 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5092
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5093 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5094 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5095 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5096 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5097 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5098 error (who, "internal format error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5099 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5100 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5101
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5102 if (m_nconv == 0 && ++trips == num_fmt_elts)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5103 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5104 if (all_char_conv && one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5105 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5106 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5107 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5108 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5109 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5110 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5111 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5112 final_nc = (data_index - 1) / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5113 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5114
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5115 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5116 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5117 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5118 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5119 // Cycle through the format list more than once if we have some
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5120 // conversions to make and we haven't reached the limit on the
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5121 // number of values to convert (possibly because there is no
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5122 // specified limit).
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5123 elt = fmt_list.next (m_nconv > 0
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5124 && (max_conv == 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5125 || conversion_count < max_conv));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5126 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5127 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5128 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5129
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5130 mval.resize (final_nr, final_nc, 0.0);
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5131
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5132 retval = mval;
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5133
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5134 if (all_char_conv)
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5135 retval = retval.convert_to_str (false, true);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5136
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5137 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5138 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5139
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5140 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5141 base_stream::scanf (const std::string& fmt, const Array<double>& size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5142 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5143 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5144 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5145 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5146
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5147 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5149 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5150
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5151 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5152 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5153 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5154 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5155 scanf_format_list fmt_list (fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5156
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5157 if (fmt_list.num_conversions () == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5158 ::error ("%s: invalid format specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5159
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5160 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5161 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5162
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5163 bool one_elt_size_spec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5164
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5165 get_size (size, nr, nc, one_elt_size_spec, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5166
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5167 retval = do_scanf (fmt_list, nr, nc, one_elt_size_spec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5168 conversion_count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5169 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5170
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5171 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5172 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5173
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5174 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5175 base_stream::do_oscanf (const scanf_format_elt *elt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5176 octave_value& retval, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5177 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5178 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5179
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5180 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5181 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5182
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5183 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5184
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5185 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5186
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5187 std::ios::fmtflags flags = is.flags ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5188
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5189 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5190 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5191 std::string fmt = elt->text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5192
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5193 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5194
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5195 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5196 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5197 case scanf_format_elt::whitespace_conversion:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5198 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5199 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5200
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5201 case scanf_format_elt::literal_conversion:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5202 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5203 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5204
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5205 case '%':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5206 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5207 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5208
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5209 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5210 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5211 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5212 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5213
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5214 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5215 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5216 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5217 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5218 case 'h':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5219 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5220 int16_t tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5221 if (octave_scan (is, *elt, &tmp))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5222 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5223 if (! discard)
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5224 retval = tmp;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5225 }
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5226 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5227 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5228 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5229 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5230
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5231 case 'l':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5232 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5233 int64_t tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5234 if (octave_scan (is, *elt, &tmp))
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5235 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5236 if (! discard)
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5237 retval = tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5238 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5239 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5240 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5241 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5242 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5243
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5244 default:
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5245 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5246 int32_t tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5247 if (octave_scan (is, *elt, &tmp))
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5248 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5249 if (! discard)
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5250 retval = tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5251 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5252 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5253 quit = true;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5254 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5255 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5256 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5257 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5258 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5259
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
5260 case 'o': case 'u': case 'x': case 'X':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5261 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5262 switch (elt->modifier)
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5263 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5264 case 'h':
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5265 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5266 uint16_t tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5267 if (octave_scan (is, *elt, &tmp))
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5268 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5269 if (! discard)
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5270 retval = tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5271 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5272 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5273 quit = true;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5274 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5275 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5276
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5277 case 'l':
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5278 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5279 uint64_t tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5280 if (octave_scan (is, *elt, &tmp))
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5281 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5282 if (! discard)
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5283 retval = tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5284 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5285 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5286 quit = true;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5287 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5288 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5289
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5290 default:
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5291 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5292 uint32_t tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5293 if (octave_scan (is, *elt, &tmp))
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5294 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5295 if (! discard)
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5296 retval = tmp;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5297 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5298 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5299 quit = true;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5300 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5301 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5302 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5303 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5304 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5305
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5306 case 'e': case 'f': case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
5307 case 'E': case 'G':
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5308 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5309 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5310
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5311 if (octave_scan (is, *elt, &tmp))
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5312 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5313 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5314 retval = tmp;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5315 }
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5316 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5317 quit = true;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5318 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5319 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5320
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5321 case 'c':
20465
44eb1102f8a8 don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents: 20432
diff changeset
5322 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5323 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5324
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5325 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5326 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5327
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5328 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5329 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5330
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5331 is.setf (flags);
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5332 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5333 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5334
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5335 case 's':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5336 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5337 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5338
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5339 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5340 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5341
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5342 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5343 quit = true;
20465
44eb1102f8a8 don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents: 20432
diff changeset
5344 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5345 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5346
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5347 case '[':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5348 case '^':
20465
44eb1102f8a8 don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents: 20432
diff changeset
5349 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5350 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5351
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5352 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5353 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5354
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5355 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5356 quit = true;
20465
44eb1102f8a8 don't recycle scanf format string if all conversions are done (bug #45808)
John W. Eaton <jwe@octave.org>
parents: 20432
diff changeset
5357 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5358 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5359
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5360 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5361 error (who, "unsupported format specifier");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5362 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5363
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5364 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5365 error (who, "internal format error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5366 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5367 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5368 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5369
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5370 if (ok () && is.fail ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5371 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5372 error ("%s: read error", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5373
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5374 // FIXME: is this the right thing to do?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5375
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30868
diff changeset
5376 interpreter& interp = __get_interpreter__ ();
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5377
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5378 if (interp.interactive () && ! application::forced_interactive ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5379 && name () == "stdin")
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5380 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5381 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5382 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5383 do_gets (-1, err, false, who);
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5384 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5385 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5386
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5387 return quit;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5388 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5389
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5390 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5391 base_stream::oscanf (const std::string& fmt, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5392 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5393 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5394
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5395 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5396
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5397 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5398 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5399 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5400 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5401 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5402
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5403 scanf_format_list fmt_list (fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5404
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5405 octave_idx_type m_nconv = fmt_list.num_conversions ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5406
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5407 if (m_nconv == -1)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5408 ::error ("%s: invalid format specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5409
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5410 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5411
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5412 octave_idx_type len = fmt_list.length ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5413
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5414 retval.resize (m_nconv+2, Matrix ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5415
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5416 const scanf_format_elt *elt = fmt_list.first ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5417
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5418 int num_values = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5419
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5420 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5421
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5422 for (octave_idx_type i = 0; i < len; i++)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5423 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5424 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5425
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5426 quit = do_oscanf (elt, tmp, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5427
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5428 if (quit)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5429 break;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5430 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5431 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5432 if (tmp.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5433 retval(num_values++) = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5434
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5435 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5436 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5437
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5438 elt = fmt_list.next (m_nconv > 0);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5439 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5440 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5441
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5442 retval(m_nconv) = num_values;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5443
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5444 int err_num;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5445 retval(m_nconv+1) = error (false, err_num);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5446
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5447 if (! quit)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5448 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5449 // Pick up any trailing stuff.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5450 if (ok () && len > m_nconv)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5451 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5452 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5453
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5454 elt = fmt_list.next ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5455
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5456 do_oscanf (elt, tmp, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5457 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5458 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5459 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5460
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5461 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5462 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5463
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5464 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5465 base_stream::do_textscan (const std::string& fmt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5466 octave_idx_type ntimes,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5467 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5468 const std::string& who,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5469 octave_idx_type& read_count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5470 {
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30868
diff changeset
5471 interpreter& interp = __get_interpreter__ ();
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5472
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5473 if (interp.interactive () && file_number () == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5474 ::error ("%s: unable to read from stdin while running interactively",
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5475 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5476
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5477 octave_value retval = Cell (dim_vector (1, 1), Matrix (0, 1));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5478
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5479 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5480
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5481 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5482 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5483 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5484 {
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
5485 textscan scanner (who, encoding ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5486
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5487 retval = scanner.scan (*isp, fmt, ntimes, options, read_count);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5488 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5489
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5490 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5491 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5492
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5493 // Functions that are defined for all output streams
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5494 // (output streams are those that define os).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5495
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5496 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5497 base_stream::flush (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5498 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5499 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5500
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5501 std::ostream *os = preferred_output_stream ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5502
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5503 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5504 invalid_operation ("fflush", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5505 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5506 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5507 os->flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5508
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5509 if (os->good ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5510 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5511 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5512
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5513 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5514 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5515
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5516 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5517 printf_value_cache
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5518 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5519 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5520
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5521 enum state { ok, conversion_error };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5522
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5523 printf_value_cache (const octave_value_list& args, const std::string& who)
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5524 : m_values (args), m_val_idx (0), m_elt_idx (0),
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5525 m_n_vals (m_values.length ()), m_n_elts (0), m_have_data (false),
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5526 m_curr_state (ok)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5527 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5528 for (octave_idx_type i = 0; i < m_values.length (); i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5529 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5530 octave_value val = m_values(i);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5531
23587
0c468af9dc00 maint: Deprecate is_object and replace with isobject.
Rik <rik@octave.org>
parents: 23584
diff changeset
5532 if (val.isstruct () || val.iscell () || val.isobject ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5533 err_wrong_type_arg (who, val);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5534 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5535 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5536
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5537 // No copying!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5538
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5539 printf_value_cache (const printf_value_cache&) = delete;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5540
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5541 printf_value_cache& operator = (const printf_value_cache&) = delete;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5542
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5543 ~printf_value_cache (void) = default;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5544
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5545 // Get the current value as a double and advance the internal pointer.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5546 octave_value get_next_value (char type = 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5547
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5548 // Get the current value as an int and advance the internal
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5549 // pointer. Value before conversion to int must be >= 0 and less
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5550 // than std::numeric_limits<int>::max ().
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5551
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5552 int int_value (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5553
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5554 operator bool () const { return (m_curr_state == ok); }
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5555
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5556 bool exhausted (void) { return (m_val_idx >= m_n_vals); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5557
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5558 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5559
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5560 // Must create value cache with values!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5561 printf_value_cache (void);
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5562
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5563 //--------
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5564
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5565 const octave_value_list m_values;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5566 octave_idx_type m_val_idx;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5567 octave_idx_type m_elt_idx;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5568 octave_idx_type m_n_vals;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5569 octave_idx_type m_n_elts;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5570 bool m_have_data;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5571 octave_value m_curr_val;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5572 state m_curr_state;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5573 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5574
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5575 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5576 printf_value_cache::get_next_value (char type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5577 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5578 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5579
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5580 if (exhausted ())
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5581 m_curr_state = conversion_error;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5582
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5583 while (! exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5584 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5585 if (! m_have_data)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5586 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5587 m_curr_val = m_values (m_val_idx);
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5588
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5589 m_elt_idx = 0;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5590 m_n_elts = m_curr_val.numel ();
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5591 m_have_data = true;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5592 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5593
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5594 if (m_elt_idx < m_n_elts)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5595 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5596 if (type == 's')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5597 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5598 if (m_curr_val.is_string ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5599 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5600 dim_vector dv (1, m_curr_val.numel ());
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5601 octave_value tmp = m_curr_val.reshape (dv);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5602
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5603 std::string sval = tmp.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5604
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5605 retval = sval.substr (m_elt_idx);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5606
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5607 // We've consumed the rest of the value.
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5608 m_elt_idx = m_n_elts;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5609 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5610 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5611 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5612 // Convert to character string while values are
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5613 // integers in the range [0 : char max]
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5614 const NDArray val = m_curr_val.array_value ();
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5615
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5616 octave_idx_type idx = m_elt_idx;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5617
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5618 for (; idx < m_n_elts; idx++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5619 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5620 double dval = val(idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5621
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5622 if (math::x_nint (dval) != dval
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5623 || dval < 0 || dval > 255)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5624 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5625 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5626
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5627 octave_idx_type n = idx - m_elt_idx;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5628
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5629 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5630 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5631 std::string sval (n, '\0');
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5632
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5633 for (octave_idx_type i = 0; i < n; i++)
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5634 sval[i] = val(m_elt_idx++);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5635
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5636 retval = sval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5637 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5638 else
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5639 retval = m_curr_val.fast_elem_extract (m_elt_idx++);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5640 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5641 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5642 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5643 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5644 retval = m_curr_val.fast_elem_extract (m_elt_idx++);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5645
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5646 if (type == 'c' && ! retval.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5647 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5648 double dval = retval.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5649
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5650 if (math::x_nint (dval) == dval && dval >= 0 && dval < 256)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5651 retval = static_cast<char> (dval);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5652 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5653 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5654
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5655 if (m_elt_idx >= m_n_elts)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5656 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5657 m_elt_idx = 0;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5658 m_val_idx++;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5659 m_have_data = false;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5660 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5661
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5662 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5663 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5664 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5665 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5666 m_val_idx++;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5667 m_have_data = false;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5668
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5669 if (m_n_elts == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5670 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5671 if (m_elt_idx == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5672 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5673 if (type == 's' || type == 'c')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5674 retval = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5675 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5676 retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5677
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5678 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5679 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5680
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5681 if (exhausted ())
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5682 m_curr_state = conversion_error;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5683 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5684 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5685 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5686
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5687 return retval;
7352
fab9bc33b949 [project @ 2008-01-07 18:54:45 by jwe]
jwe
parents: 7227
diff changeset
5688 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
5689
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5690 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5691 printf_value_cache::int_value (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5692 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5693 octave_value val = get_next_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5694
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5695 double dval = val.double_value (true);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5696
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5697 if (dval < 0 || dval > std::numeric_limits<int>::max ()
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5698 || math::x_nint (dval) != dval)
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5699 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5700 m_curr_state = conversion_error;
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5701 return -1;
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5702 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5703
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5704 return math::nint (dval);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5705 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5706
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5707 // Ugh again and again.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5708
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5709 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
5710 static int
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5711 do_printf_conv (std::ostream& os, const char *fmt, int nsa, int sa_1,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5712 int sa_2, T arg, const std::string& who)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5713 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5714 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5715
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5716 switch (nsa)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5717 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5718 case 2:
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5719 retval = format (os, fmt, sa_1, sa_2, arg);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5720 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5721
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5722 case 1:
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5723 retval = format (os, fmt, sa_1, arg);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5724 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5725
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5726 case 0:
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5727 retval = format (os, fmt, arg);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5728 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5729
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5730 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5731 ::error ("%s: internal error handling format", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5732 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5733 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5734
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5735 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5736 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5737
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5738 static std::size_t
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5739 do_printf_string (std::ostream& os, const printf_format_elt *elt,
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5740 int nsa, int sa_1, int sa_2, const std::string& arg,
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5741 const std::string& who)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5742 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5743 if (nsa > 2)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5744 ::error ("%s: internal error handling format", who.c_str ());
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5745
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5746 std::string flags = elt->flags;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5747
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5748 bool left = flags.find ('-') != std::string::npos;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5749
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5750 std::size_t len = arg.length ();
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5751
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5752 std::size_t prec = (nsa > 1 ? sa_2 : (elt->prec == -1 ? len : elt->prec));
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5753
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5754 std::string print_str = prec < arg.length () ? arg.substr (0, prec) : arg;
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5755
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5756 std::size_t fw = (nsa > 0 ? sa_1 : (elt->fw == -1 ? len : elt->fw));
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5757
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5758 os << std::setw (fw) << (left ? std::left : std::right) << print_str;
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5759
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5760 return len > fw ? len : fw;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5761 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5762
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5763 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5764 is_nan_or_inf (const octave_value& val)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5765 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5766 octave_value ov_isnan = val.isnan ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5767 octave_value ov_isinf = val.isinf ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5768
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5769 return (ov_isnan.is_true () || ov_isinf.is_true ());
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5770 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5771
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5772 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5773 ok_for_signed_int_conv (const octave_value& val)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5774 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5775 uint64_t limit = std::numeric_limits<int64_t>::max ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5776
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5777 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5778 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5779 else if (val.isinteger ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5780 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5781 if (val.is_uint64_type ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5782 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5783 octave_uint64 ival = val.uint64_scalar_value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5784
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5785 if (ival.value () <= limit)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5786 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5787 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5788 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5789 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5790 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5791 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5792 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5793 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5794
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5795 if (dval == math::fix (dval) && dval <= limit)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5796 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5797 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5798
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5799 return false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5800 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5801
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5802 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5803 ok_for_unsigned_int_conv (const octave_value& val)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5804 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5805 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5806 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5807 else if (val.isinteger ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5808 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5809 // Easier than dispatching here...
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5810
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5811 octave_value ov_is_ge_zero
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
5812 = binary_op (octave_value::op_ge, val, octave_value (0.0));
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5813
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5814 return ov_is_ge_zero.is_true ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5815 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5816 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5817 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5818 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5819
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5820 uint64_t limit = std::numeric_limits<uint64_t>::max ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5821
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5822 if (dval == math::fix (dval) && dval >= 0 && dval <= limit)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5823 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5824 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5825
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5826 return false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5827 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5828
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5829 static std::string
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5830 switch_to_g_format (const printf_format_elt *elt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5831 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5832 std::string tfmt = elt->text;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5833
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5834 tfmt.replace (tfmt.rfind (elt->type), 1, "g");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5835
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5836 return tfmt;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5837 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5838
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5839 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5840 base_stream::do_numeric_printf_conv (std::ostream& os,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5841 const printf_format_elt *elt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5842 int nsa, int sa_1, int sa_2,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5843 const octave_value& val,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5844 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5845 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5846 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5847
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5848 std::string tfmt = elt->text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5849
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5850 if (is_nan_or_inf (val))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5851 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5852 double dval = val.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5853
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5854 std::string::size_type i1, i2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5855
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5856 tfmt.replace ((i1 = tfmt.rfind (elt->type)), 1, 1, 's');
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5857
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5858 if ((i2 = tfmt.rfind ('.')) != std::string::npos && i2 < i1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5859 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5860 tfmt.erase (i2, i1-i2);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5861 if (elt->prec == -2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5862 nsa--;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5863 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5864
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5865 const char *tval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5866 if (lo_ieee_isinf (dval))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5867 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5868 if (elt->flags.find ('+') != std::string::npos)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5869 tval = (dval < 0 ? "-Inf" : "+Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5870 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5871 tval = (dval < 0 ? "-Inf" : "Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5872 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5873 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5874 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5875 if (elt->flags.find ('+') != std::string::npos)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5876 tval = (lo_ieee_is_NA (dval) ? "+NA" : "+NaN");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5877 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5878 tval = (lo_ieee_is_NA (dval) ? "NA" : "NaN");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5879 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5880
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5881 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, tval,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5882 who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5883 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5884 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5885 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5886 static std::string llmod
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
5887 = (sizeof (long) == sizeof (int64_t) ? "l" : "ll");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5888
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5889 char type = elt->type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5890
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5891 switch (type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5892 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5893 case 'd': case 'i': case 'c':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5894 if (ok_for_signed_int_conv (val))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5895 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5896 octave_int64 tval = val.int64_scalar_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5897
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5898 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5899 tfmt.replace (tfmt.rfind (type), 1, llmod + type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5900
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5901 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5902 tval.value (), who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5903 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5904 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5905 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5906 tfmt = switch_to_g_format (elt);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5907
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5908 double dval = val.double_value (true);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5909
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5910 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5911 dval, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5912 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5913 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5914
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5915 case 'o': case 'x': case 'X': case 'u':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5916 if (ok_for_unsigned_int_conv (val))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5917 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5918 octave_uint64 tval = val.uint64_scalar_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5919
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5920 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5921 tfmt.replace (tfmt.rfind (type), 1, llmod + type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5922
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5923 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5924 tval.value (), who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5925 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5926 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5927 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5928 tfmt = switch_to_g_format (elt);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5929
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5930 double dval = val.double_value (true);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5931
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5932 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5933 dval, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5934 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5935 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5936
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5937 case 'f': case 'e': case 'E':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5938 case 'g': case 'G':
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5939 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5940 double dval = val.double_value (true);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5941
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5942 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5943 dval, who);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5944 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5945 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5946
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5947 default:
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
5948 // Note: error is member fcn from base_stream, not ::error.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5949 // This error does not halt execution so "return ..." must exist.
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5950 error (who, "invalid format specifier");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5951 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5952 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5953 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5954 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5955
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5956 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5957 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5958
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5959 void
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5960 base_stream::field_width_error (const std::string& who) const
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5961 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5962 ::error ("%s: invalid field width, must be integer >= 0 and <= INT_MAX",
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5963 who.c_str ());
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5964 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5965
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5966 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5967 base_stream::do_printf (printf_format_list& fmt_list,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5968 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5969 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5970 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5971 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5972
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5973 octave_idx_type m_nconv = fmt_list.num_conversions ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5974
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
5975 std::ostream *osp = preferred_output_stream ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5976
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5977 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5978 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5979 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5980 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5981 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5982
30024
fa45724a7fc8 save and restore output stream state in Octave's printf function (bug #61051)
John W. Eaton <jwe@octave.org>
parents: 30008
diff changeset
5983 preserve_stream_state stream_state (os);
fa45724a7fc8 save and restore output stream state in Octave's printf function (bug #61051)
John W. Eaton <jwe@octave.org>
parents: 30008
diff changeset
5984
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5985 const printf_format_elt *elt = fmt_list.first ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5987 printf_value_cache val_cache (args, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5988
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5989 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5990 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5991 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5992
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5993 if (! elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5994 ::error ("%s: internal error handling format", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5995
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5996 // NSA is the number of 'star' args to convert.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5997 int nsa = (elt->fw == -2) + (elt->prec == -2);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5998
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5999 int sa_1 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6000 int sa_2 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6001
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6002 if (nsa > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6003 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6004 sa_1 = val_cache.int_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6005
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6006 if (! val_cache)
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6007 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6008 field_width_error (who);
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6009 break;
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6010 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6011 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6012 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6013 if (nsa > 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6014 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6015 sa_2 = val_cache.int_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6016
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6017 if (! val_cache)
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6018 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6019 field_width_error (who);
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6020 break;
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
6021 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6022 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6023 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6024 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6025
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6026 if (elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6027 {
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6028 os << '%';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6029 retval++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6030 }
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
6031 else if (elt->args == 0 && ! elt->text.empty ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6032 {
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6033 os << elt->text;
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
6034 retval += (elt->text.length ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6035 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6036 else if (elt->type == 's' || elt->type == 'c')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6037 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6038 octave_value val = val_cache.get_next_value (elt->type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6039
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6040 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6041 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6042 if (val.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6043 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6044 std::string sval = val.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6045
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6046 retval += do_printf_string (os, elt, nsa, sa_1,
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6047 sa_2, sval, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6048 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6049 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6050 retval += do_numeric_printf_conv (os, elt, nsa, sa_1,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6051 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6052 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6053 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6054 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6055 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6056 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6057 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6058 octave_value val = val_cache.get_next_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6060 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6061 {
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23576
diff changeset
6062 if (! val.isempty ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6063 retval += do_numeric_printf_conv (os, elt, nsa, sa_1,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6064 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6065 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6066 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6067 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6068 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6069
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6070 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6071 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6072 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6073 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6074 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6075
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
6076 elt = fmt_list.next (m_nconv > 0 && ! val_cache.exhausted ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6077
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6078 if (! elt || (val_cache.exhausted () && elt->args > 0))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6079 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6080 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6081 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6082
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6083 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6084 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6085
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6086 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6087 base_stream::printf (const std::string& fmt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6088 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6089 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6090 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6091 printf_format_list fmt_list (fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6092
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6093 if (fmt_list.num_conversions () == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6094 ::error ("%s: invalid format specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6095
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6096 return do_printf (fmt_list, args, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6097 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6098
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6099 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6100 base_stream::puts (const std::string& s, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6101 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6102 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6103
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6104 std::ostream *osp = preferred_output_stream ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6105
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6106 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6107 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6108 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6109 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6110 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6111
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6112 os << s;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6113
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6114 if (! os)
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6115 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6116 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6117 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6118 // FIXME: why does this seem to be necessary?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6119 // Without it, output from a loop like
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6120 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6121 // for i = 1:100, fputs (stdout, "foo\n"); endfor
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6122 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6123 // doesn't seem to go to the pager immediately.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6124 os.flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6125
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6126 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6127 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6128 else
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6129 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6130 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6131 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6132
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6133 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6134 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6135
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6136 // Return current error message for this stream.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6137
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6138 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6139 base_stream::error (bool clear_err, int& err_num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6140 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6141 err_num = (m_fail ? -1 : 0);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6142
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6143 std::string tmp = m_errmsg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6144
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6145 if (clear_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6146 clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6147
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6148 return tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6149 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6150
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6151 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6152 base_stream::invalid_operation (const std::string& who, const char *rw)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6153 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6154 // Note: This calls the member fcn error, not ::error from error.h.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6155 error (who, std::string ("stream not open for ") + rw);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6156 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6157
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6158 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6159 stream::flush (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6160 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6161 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6162
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6163 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6164 retval = m_rep->flush ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6165
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6166 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6167 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6168
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6169 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6170 stream::getl (octave_idx_type max_len, bool& err, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6171 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6172 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6173
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6174 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6175 retval = m_rep->getl (max_len, err, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6176
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6177 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6178 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6179
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6180 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6181 stream::getl (const octave_value& tc_max_len, bool& err,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6182 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6183 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6184 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6185
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6186 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6187
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6188 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6189
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6190 if (tc_max_len.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6191 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6192 max_len = convert_to_valid_int (tc_max_len, conv_err);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6193
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6194 if (conv_err || max_len < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6195 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6196 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6197 ::error ("%s: invalid maximum length specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6198 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6199 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6200
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6201 return getl (max_len, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6202 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6203
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6204 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6205 stream::gets (octave_idx_type max_len, bool& err, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6206 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6207 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6208
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6209 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6210 retval = m_rep->gets (max_len, err, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6211
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6212 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6213 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6214
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6215 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6216 stream::gets (const octave_value& tc_max_len, bool& err,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6217 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6218 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6219 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6220
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6221 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6222
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6223 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6224
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6225 if (tc_max_len.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6226 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6227 max_len = convert_to_valid_int (tc_max_len, conv_err);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6228
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6229 if (conv_err || max_len < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6230 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6231 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6232 ::error ("%s: invalid maximum length specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6233 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6234 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6235
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6236 return gets (max_len, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6237 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6238
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6239 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6240 stream::skipl (off_t count, bool& err, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6241 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6242 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6243
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6244 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6245 retval = m_rep->skipl (count, err, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6246
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6247 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6248 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6249
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6250 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6251 stream::skipl (const octave_value& tc_count, bool& err,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6252 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6253 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6254 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6255
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6256 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6257
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6258 int count = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6259
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6260 if (tc_count.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6261 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6262 if (tc_count.is_scalar_type ()
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6263 && math::isinf (tc_count.scalar_value ()))
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6264 count = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6265 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6266 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6267 count = convert_to_valid_int (tc_count, conv_err);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6268
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6269 if (conv_err || count < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6270 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6271 err = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
6272 ::error ("%s: invalid number of lines specified",
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
6273 who.c_str ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6274 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6275 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6276 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6278 return skipl (count, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6279 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6280
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6281 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6282 stream::seek (off_t offset, int origin)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6283 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6284 int status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6285
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6286 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6287 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6288 clearerr ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6289
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6290 // Find current position so we can return to it if needed.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6291 off_t orig_pos = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6292
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6293 // Move to end of file. If successful, find the offset of the end.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6294 status = m_rep->seek (0, SEEK_END);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6295
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6296 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6297 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6298 off_t eof_pos = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6299
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6300 if (origin == SEEK_CUR)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6301 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6302 // Move back to original position, otherwise we will be seeking
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6303 // from the end of file which is probably not the original
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6304 // location.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6305 m_rep->seek (orig_pos, SEEK_SET);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6306 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6307
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6308 // Attempt to move to desired position; may be outside bounds of
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6309 // existing file.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6310 status = m_rep->seek (offset, origin);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6311
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6312 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6313 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6314 // Where are we after moving to desired position?
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6315 off_t desired_pos = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6316
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6317 // I don't think save_pos can be less than zero,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6318 // but we'll check anyway...
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6319 if (desired_pos > eof_pos || desired_pos < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6320 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6321 // Seek outside bounds of file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6322 // Failure should leave position unchanged.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6323 m_rep->seek (orig_pos, SEEK_SET);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6324
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6325 status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6326 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6327 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6328 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6329 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6330 // Seeking to the desired position failed.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6331 // Move back to original position and return failure status.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6332 m_rep->seek (orig_pos, SEEK_SET);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6333
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6334 status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6335 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6336 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6337 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6338
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6339 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6340 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6341
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6342 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6343 stream::seek (const octave_value& tc_offset,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6344 const octave_value& tc_origin)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6345 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6346 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6347
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6348 // FIXME: should we have octave_value methods that handle off_t explicitly?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6349 octave_int64 val = tc_offset.xint64_scalar_value ("fseek: invalid value for offset");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6350 off_t xoffset = val.value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6351
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6352 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6353
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6354 int origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6355
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6356 if (tc_origin.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6357 {
26364
2398d2cc3d70 oct-stream.cc: Fix static analyzer detected V601 issue (bug #55347)
Andreas Weber <octave@josoansi.de>
parents: 26164
diff changeset
6358 std::string xorigin = tc_origin.xstring_value ("fseek: invalid value for origin");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6359
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6360 if (xorigin == "bof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6361 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6362 else if (xorigin == "cof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6363 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6364 else if (xorigin == "eof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6365 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6366 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6367 conv_err = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6368 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6369 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6370 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6371 int xorigin = convert_to_valid_int (tc_origin, conv_err);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6372
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6373 if (! conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6374 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6375 if (xorigin == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6376 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6377 else if (xorigin == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6378 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6379 else if (xorigin == 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6380 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6381 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6382 conv_err = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6383 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6384 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6385
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6386 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6387 ::error ("fseek: invalid value for origin");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6388
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6389 retval = seek (xoffset, origin);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6390
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6391 if (retval != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6392 // Note: error is member fcn from stream, not ::error.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6393 error ("fseek: failed to seek to requested position");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6394
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6395 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6396 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6397
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6398 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6399 stream::tell (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6400 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6401 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6402
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6403 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6404 retval = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6405
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6406 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6407 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6408
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6409 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6410 stream::rewind (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6411 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6412 return seek (0, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6413 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6414
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6415 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6416 stream::is_open (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6417 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6418 bool retval = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6419
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6420 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6421 retval = m_rep->is_open ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6422
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6423 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6424 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6425
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6426 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6427 stream::close (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6428 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6429 if (stream_ok ())
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6430 {
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6431 m_rep->flush ();
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6432 m_rep->close ();
30822
0826c503f294 Encoding facet based on gnulib uniconv for STL iostreams (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30790
diff changeset
6433 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6434 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6435
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6436 template <typename SRC_T, typename DST_T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6437 static octave_value
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6438 convert_and_copy (std::list<void *>& input_buf_list,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6439 octave_idx_type input_buf_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6440 octave_idx_type elts_read,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6441 octave_idx_type nr, octave_idx_type nc, bool swap,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6442 bool do_float_fmt_conv, bool do_NA_conv,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6443 mach_info::float_format from_flt_fmt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6444 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6445 typedef typename DST_T::element_type dst_elt_type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6446
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6447 DST_T conv (dim_vector (nr, nc));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6448
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6449 dst_elt_type *conv_data = conv.fortran_vec ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6450
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6451 octave_idx_type j = 0;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6452
25343
4d7790d9793f use cbegin, crbegin, cend, and crend and auto decls where possible
John W. Eaton <jwe@octave.org>
parents: 25342
diff changeset
6453 for (auto it = input_buf_list.cbegin (); it != input_buf_list.cend (); it++)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6454 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6455 SRC_T *data = static_cast<SRC_T *> (*it);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6456
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6457 if (swap || do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6458 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6459 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6460 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6461 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6462 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6463 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6464 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6465 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6466 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6467 do_float_format_conversion (&data[i], sizeof (SRC_T),
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6468 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6469 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6470
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6471 // FIXME: Potentially add conversion code for MIPS NA here
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6472 // Bug #59830.
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6473 // dst_elt_type tmp (data[i]);
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6474 // if (is_MIPS_NA (tmp))
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6475 // tmp = replace_MIPS_NA (tmp);
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6476 // conv_data[j] = tmp;
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6477
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6478 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6479 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6480 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6481 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6482 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6483 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6484 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6485 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6486 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6487 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6488 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6489 do_float_format_conversion (&data[i], sizeof (SRC_T),
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6490 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6491 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6492
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6493 conv_data[j] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6494 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6495 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6496 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6497 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6498 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6499 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6500 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6501 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6502 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6503 {
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6504 // FIXME: Potentially add conversion code for MIPS NA here
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6505 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6506 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6507 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6508 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6509 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6510 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6511 i++, j++)
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6512 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6513 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6514 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6515
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6516 delete [] data;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6517 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6518
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6519 input_buf_list.clear ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6520
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6521 for (octave_idx_type i = elts_read; i < nr * nc; i++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6522 conv_data[i] = dst_elt_type (0);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6523
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6524 return conv;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6525 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6526
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6527 typedef octave_value (*conv_fptr)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6528 (std::list<void *>& input_buf_list, octave_idx_type input_buf_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6529 octave_idx_type elts_read, octave_idx_type nr, octave_idx_type nc,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6530 bool swap, bool do_float_fmt_conv, bool do_NA_conv,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6531 mach_info::float_format from_flt_fmt);
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6532
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6533 #define TABLE_ELT(T, U, V, W) \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6534 conv_fptr_table[oct_data_conv::T][oct_data_conv::U] = convert_and_copy<V, W>
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6535
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6536 #define FILL_TABLE_ROW(T, V) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6537 TABLE_ELT (T, dt_int8, V, int8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6538 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6539 TABLE_ELT (T, dt_int16, V, int16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6540 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6541 TABLE_ELT (T, dt_int32, V, int32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6542 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6543 TABLE_ELT (T, dt_int64, V, int64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6544 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6545 TABLE_ELT (T, dt_single, V, FloatNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6546 TABLE_ELT (T, dt_double, V, NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6547 TABLE_ELT (T, dt_char, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6548 TABLE_ELT (T, dt_schar, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6549 TABLE_ELT (T, dt_uchar, V, charNDArray); \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6550 TABLE_ELT (T, dt_logical, V, boolNDArray);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6551
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6552 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6553 stream::finalize_read (std::list<void *>& input_buf_list,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6554 octave_idx_type input_buf_elts,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6555 octave_idx_type elts_read,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6556 octave_idx_type nr, octave_idx_type nc,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6557 oct_data_conv::data_type input_type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6558 oct_data_conv::data_type output_type,
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6559 mach_info::float_format ffmt)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6560 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6561 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6562
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6563 static bool initialized = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6564
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6565 // Table function pointers for return types x read types.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6566
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6567 static conv_fptr conv_fptr_table[oct_data_conv::dt_unknown][14];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6568
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6569 if (! initialized)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6570 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6571 for (int i = 0; i < oct_data_conv::dt_unknown; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6572 for (int j = 0; j < 14; j++)
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
6573 conv_fptr_table[i][j] = nullptr;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6574
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6575 FILL_TABLE_ROW (dt_int8, int8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6576 FILL_TABLE_ROW (dt_uint8, uint8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6577 FILL_TABLE_ROW (dt_int16, int16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6578 FILL_TABLE_ROW (dt_uint16, uint16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6579 FILL_TABLE_ROW (dt_int32, int32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6580 FILL_TABLE_ROW (dt_uint32, uint32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6581 FILL_TABLE_ROW (dt_int64, int64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6582 FILL_TABLE_ROW (dt_uint64, uint64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6583 FILL_TABLE_ROW (dt_single, float);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6584 FILL_TABLE_ROW (dt_double, double);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6585 FILL_TABLE_ROW (dt_char, char);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6586 FILL_TABLE_ROW (dt_schar, signed char);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6587 FILL_TABLE_ROW (dt_uchar, unsigned char);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6588 FILL_TABLE_ROW (dt_logical, bool);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6589
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6590 initialized = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6591 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6592
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6593 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6594
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6595 if (ffmt == mach_info::flt_fmt_unknown)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6596 ffmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6597
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6598 if (mach_info::words_big_endian ())
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6599 swap = (ffmt == mach_info::flt_fmt_ieee_little_endian);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6600 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6601 swap = (ffmt == mach_info::flt_fmt_ieee_big_endian);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6602
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6603 bool do_float_fmt_conv = ((input_type == oct_data_conv::dt_double
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6604 || input_type == oct_data_conv::dt_single)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6605 && ffmt != float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6606
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6607 bool do_NA_conv = (output_type == oct_data_conv::dt_double);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6608
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6609 switch (output_type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6610 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6611 case oct_data_conv::dt_int8:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6612 case oct_data_conv::dt_uint8:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6613 case oct_data_conv::dt_int16:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6614 case oct_data_conv::dt_uint16:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6615 case oct_data_conv::dt_int32:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6616 case oct_data_conv::dt_uint32:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6617 case oct_data_conv::dt_int64:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6618 case oct_data_conv::dt_uint64:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6619 case oct_data_conv::dt_single:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6620 case oct_data_conv::dt_double:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6621 case oct_data_conv::dt_char:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6622 case oct_data_conv::dt_schar:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6623 case oct_data_conv::dt_uchar:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6624 case oct_data_conv::dt_logical:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6625 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6626 conv_fptr fptr = conv_fptr_table[input_type][output_type];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6627
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6628 retval = fptr (input_buf_list, input_buf_elts, elts_read,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6629 nr, nc, swap, do_float_fmt_conv, do_NA_conv, ffmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6630 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6631 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6632
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6633 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6634 ::error ("read: invalid type specification");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6635 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6636
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6637 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6638 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6639
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6640 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6641 stream::read (const Array<double>& size, octave_idx_type block_size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6642 oct_data_conv::data_type input_type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6643 oct_data_conv::data_type output_type,
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6644 octave_idx_type skip, mach_info::float_format ffmt,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6645 octave_idx_type& count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6646 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6647 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6648
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6649 if (! stream_ok ())
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6650 return retval;
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6651
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6652 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6653 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6654
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6655 bool one_elt_size_spec = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6656
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6657 // FIXME: We may eventually want to make this extensible.
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6659 // FIXME: We need a better way to ensure that this numbering stays
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6660 // consistent with the order of the elements in the data_type enum in the
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6661 // oct_data_conv class.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6662
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6663 std::ptrdiff_t tmp_count = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6664
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6665 try
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6666 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6667 get_size (size, nr, nc, one_elt_size_spec, "fread");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6668 }
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6669 catch (const execution_exception&)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6670 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6671 invalid_operation ("fread", "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6672
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6673 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6674 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6676 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6677 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6678 // If NR == 0, Matlab returns [](0x0).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6679
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6680 // If NR > 0, the result will be a column vector with the given
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6681 // number of rows.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6682
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6683 // If NR < 0, then we have Inf and the result will be a column
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6684 // vector but we have to wait to see how big NR will be.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6685
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6686 if (nr == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6687 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6688 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6689 nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6690 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6691 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6692 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6693 // Matlab returns [] even if there are two elements in the size
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6694 // specification and one is nonzero.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6695
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6696 // If NC < 0 we have [NR, Inf] and we'll wait to decide how big NC
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6697 // should be.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6698
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6699 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6700 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6701 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6702
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6703 octave_idx_type elts_to_read = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6704
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6705 bool read_to_eof = elts_to_read < 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6706
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6707 octave_idx_type input_buf_elts = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6708
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6709 if (skip == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6710 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6711 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6712 input_buf_elts = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6713 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6714 input_buf_elts = elts_to_read;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6715 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6716 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6717 input_buf_elts = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6718
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6719 octave_idx_type input_elt_size
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
6720 = oct_data_conv::data_type_size (input_type);
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
6721
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6722 std::ptrdiff_t input_buf_size
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6723 = static_cast<std::ptrdiff_t> (input_buf_elts) * input_elt_size;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6724
30723
08b08b7f05b2 Replace direct calls to C library assert() with Octave specialty functions in libinterp/ (bug #61753)
Arun Giridhar <arungiridhar@gmail.com> and Rik <rik@octave.org>
parents: 30587
diff changeset
6725 error_if (input_buf_size < 0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6726
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6727 // Must also work and return correct type object for 0 elements to read.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6728 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6729
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6730 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6731 error ("fread: invalid input stream");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6732 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6733 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6734 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6735
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6736 // Initialize eof_pos variable just once per function call
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6737 off_t eof_pos = 0;
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6738 off_t cur_pos = 0;
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6739 if (skip != 0 && is && ! is.eof ())
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6740 {
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6741 cur_pos = is.tellg ();
25657
db326f3aacf4 Improve fread speed by a further 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25650
diff changeset
6742 is.seekg (0, is.end);
db326f3aacf4 Improve fread speed by a further 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25650
diff changeset
6743 eof_pos = is.tellg ();
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6744 is.seekg (cur_pos, is.beg);
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6745 }
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6746
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6747 std::list<void *> input_buf_list;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6748
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6749 while (is && ! is.eof ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6750 && (read_to_eof || tmp_count < elts_to_read))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6751 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6752 if (! read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6753 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6754 octave_idx_type remaining_elts = elts_to_read - tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6755
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6756 if (remaining_elts < input_buf_elts)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6757 input_buf_size = remaining_elts * input_elt_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6758 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6759
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6760 char *input_buf = new char [input_buf_size];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6761
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6762 is.read (input_buf, input_buf_size);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6763
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6764 std::size_t gcount = is.gcount ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6765
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6766 cur_pos += gcount;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6767
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6768 octave_idx_type nel = gcount / input_elt_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6769
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6770 tmp_count += nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6771
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6772 input_buf_list.push_back (input_buf);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6773
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6774 if (skip != 0 && nel == block_size && is)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6775 {
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6776 // Attempt to skip.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6777 // If skip would move past EOF, position at EOF.
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6778 off_t remaining = eof_pos - cur_pos;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6779
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6780 if (remaining < skip)
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6781 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6782 is.seekg (0, is.end);
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6783 cur_pos = eof_pos;
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6784 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6785 else
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6786 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6787 is.seekg (skip, is.cur);
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6788 cur_pos += skip;
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6789 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6790 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6791 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6792
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6793 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6794 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6795 if (nc < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6796 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6797 nc = tmp_count / nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6798
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6799 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6800 nc++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6801 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6802 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6803 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6804 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6805 else if (tmp_count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6806 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6807 nr = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6808 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6809 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6810 else if (tmp_count != nr * nc)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6811 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6812 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6813 nc = tmp_count / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6814 else
22996
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6815 nc = tmp_count / nr;
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6816
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6817 if (tmp_count < nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6818 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6819 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6820
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6821 if (tmp_count > std::numeric_limits<octave_idx_type>::max ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6822 error ("fread: number of elements read exceeds max index size");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6823 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6824 count = static_cast<octave_idx_type> (tmp_count);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6825
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6826 retval = finalize_read (input_buf_list, input_buf_elts, count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6827 nr, nc, input_type, output_type, ffmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6828 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6829
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6830 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6831 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6832
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6833 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6834 stream::write (const octave_value& data, octave_idx_type block_size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6835 oct_data_conv::data_type output_type,
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6836 octave_idx_type skip, mach_info::float_format flt_fmt)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6837 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6838 octave_idx_type retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6839
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6840 if (! stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6841 invalid_operation ("fwrite", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6842 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6843 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6844 if (flt_fmt == mach_info::flt_fmt_unknown)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6845 flt_fmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6846
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6847 octave_idx_type status = data.write (*this, block_size, output_type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6848 skip, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6849
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6850 if (status < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6851 error ("fwrite: write error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6852 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6853 retval = status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6854 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6855
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6856 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6857 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6858
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6859 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6860 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6861 convert_chars (const void *data, void *conv_data, octave_idx_type n_elts)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6862 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6863 const T *tt_data = static_cast<const T *> (data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6864
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6865 V *vt_data = static_cast<V *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6866
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6867 for (octave_idx_type i = 0; i < n_elts; i++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6868 vt_data[i] = tt_data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6869 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6870
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6871 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6872 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6873 convert_ints (const T *data, void *conv_data, octave_idx_type n_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6874 bool swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6875 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6876 typedef typename V::val_type val_type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6877
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6878 val_type *vt_data = static_cast<val_type *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6879
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6880 for (octave_idx_type i = 0; i < n_elts; i++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6881 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6882 // Yes, we want saturation semantics when converting to an integer type.
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6883 V val (data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6884
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6885 vt_data[i] = val.value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6886
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6887 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6888 swap_bytes<sizeof (val_type)> (&vt_data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6889 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6890 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6891
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6892 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6893 class ultimate_element_type
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6894 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6895 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6896 typedef T type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6897 };
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6898
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6899 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6900 class ultimate_element_type<octave_int<T>>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6901 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6902 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6903 typedef T type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6904 };
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6905
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6906 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6907 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6908 convert_data (const T *data, void *conv_data, octave_idx_type n_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6909 oct_data_conv::data_type output_type,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6910 mach_info::float_format flt_fmt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6911 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6912 bool retval = true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6913
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6914 bool swap = false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6915
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6916 if (mach_info::words_big_endian ())
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6917 swap = (flt_fmt == mach_info::flt_fmt_ieee_little_endian);
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6918 else
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6919 swap = (flt_fmt == mach_info::flt_fmt_ieee_big_endian);
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6920
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6921 bool do_float_conversion = flt_fmt != mach_info::float_format ();
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6922
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6923 typedef typename ultimate_element_type<T>::type ult_elt_type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6924
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6925 switch (output_type)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6926 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6927 case oct_data_conv::dt_char:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6928 convert_chars<ult_elt_type, char> (data, conv_data, n_elts);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6929 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6930
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6931 case oct_data_conv::dt_schar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6932 convert_chars<ult_elt_type, signed char> (data, conv_data, n_elts);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6933 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6934
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6935 case oct_data_conv::dt_uchar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6936 convert_chars<ult_elt_type, unsigned char> (data, conv_data, n_elts);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6937 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6938
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6939 case oct_data_conv::dt_int8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6940 convert_ints<T, octave_int8> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6941 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6942
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6943 case oct_data_conv::dt_uint8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6944 convert_ints<T, octave_uint8> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6945 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6946
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6947 case oct_data_conv::dt_int16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6948 convert_ints<T, octave_int16> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6949 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6950
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6951 case oct_data_conv::dt_uint16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6952 convert_ints<T, octave_uint16> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6953 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6954
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6955 case oct_data_conv::dt_int32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6956 convert_ints<T, octave_int32> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6957 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6958
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6959 case oct_data_conv::dt_uint32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6960 convert_ints<T, octave_uint32> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6961 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6962
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6963 case oct_data_conv::dt_int64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6964 convert_ints<T, octave_int64> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6965 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6966
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6967 case oct_data_conv::dt_uint64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6968 convert_ints<T, octave_uint64> (data, conv_data, n_elts, swap);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6969 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6970
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6971 case oct_data_conv::dt_single:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6972 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6973 float *vt_data = static_cast<float *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6974
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6975 for (octave_idx_type i = 0; i < n_elts; i++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6976 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6977 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6978
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6979 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6980 do_float_format_conversion (&vt_data[i], 1, flt_fmt);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6981 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6982 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6983 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6984
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6985 case oct_data_conv::dt_double:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6986 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6987 double *vt_data = static_cast<double *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6988
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6989 for (octave_idx_type i = 0; i < n_elts; i++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6990 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6991 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6992
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6993 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6994 do_double_format_conversion (&vt_data[i], 1, flt_fmt);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6995 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6996 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6997 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6998
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6999 default:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7000 ::error ("write: invalid type specification");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7001 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7002
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7003 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7004 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7005
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7006 bool
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
7007 stream::write_bytes (const void *data, std::size_t nbytes)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7008 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7009 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7010
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7011 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7013 if (osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7014 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7015 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7016
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7017 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7018 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7019 os.write (static_cast<const char *> (data), nbytes);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7020
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7021 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7022 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7023 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7024 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7025
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7026 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7027 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7028
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7029 bool
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
7030 stream::skip_bytes (std::size_t skip)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7031 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7032 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7033
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7034 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7035
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7036 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7037 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7038
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7039 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7040
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7041 // Seek to skip when inside bounds of existing file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7042 // Otherwise, write NUL to skip.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7043 off_t orig_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7044
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7045 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7046
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7047 off_t eof_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7048
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7049 // Is it possible for this to fail to return us to the original position?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7050 seek (orig_pos, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7051
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
7052 std::size_t remaining = eof_pos - orig_pos;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7053
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7054 if (remaining < skip)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7055 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7056 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7057
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7058 // FIXME: probably should try to write larger blocks...
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7059 unsigned char zero = 0;
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
7060 for (std::size_t j = 0; j < skip - remaining; j++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7061 os.write (reinterpret_cast<const char *> (&zero), 1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7062 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7063 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7064 seek (skip, SEEK_CUR);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7065
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7066 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7067 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7068
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7069 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7070 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7071
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7072 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7073 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7074 stream::write (const Array<T>& data, octave_idx_type block_size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7075 oct_data_conv::data_type output_type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7076 octave_idx_type skip,
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7077 mach_info::float_format flt_fmt)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7078 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7079 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7080
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7081 if (mach_info::words_big_endian ())
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7082 swap = (flt_fmt == mach_info::flt_fmt_ieee_little_endian);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7083 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7084 swap = (flt_fmt == mach_info::flt_fmt_ieee_big_endian);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7085
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7086 bool do_data_conversion = (swap || ! is_equivalent_type<T> (output_type)
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7087 || flt_fmt != mach_info::float_format ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7088
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7089 octave_idx_type nel = data.numel ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7090
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7091 octave_idx_type chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7092
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7093 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7094 chunk_size = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7095 else if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7096 chunk_size = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7097 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7098 chunk_size = nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7099
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7100 octave_idx_type i = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7101
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7102 const T *pdata = data.data ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7103
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7104 while (i < nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7105 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7106 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7107 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7108 if (! skip_bytes (skip))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7109 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7110 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7111
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7112 octave_idx_type remaining_nel = nel - i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7113
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7114 if (chunk_size > remaining_nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7115 chunk_size = remaining_nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7116
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7117 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7118
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7119 if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7120 {
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
7121 std::size_t output_size
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7122 = chunk_size * oct_data_conv::data_type_size (output_type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7123
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7124 OCTAVE_LOCAL_BUFFER (unsigned char, conv_data, output_size);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7125
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7126 status = convert_data (&pdata[i], conv_data, chunk_size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7127 output_type, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7128
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7129 if (status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7130 status = write_bytes (conv_data, output_size);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7131 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7132 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7133 status = write_bytes (pdata, sizeof (T) * chunk_size);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7134
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7135 if (! status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7136 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7137
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7138 i += chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7139 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7141 return nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7142 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
7143
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7144 #define INSTANTIATE_WRITE(T) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7145 template \
29233
665c9ed14c97 Set API tags in files in libinterp/corefcn (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
7146 OCTINTERP_API octave_idx_type \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7147 stream::write (const Array<T>& data, octave_idx_type block_size, \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7148 oct_data_conv::data_type output_type, \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7149 octave_idx_type skip, \
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7150 mach_info::float_format flt_fmt)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7151
24476
bb8ae4e9e09d * oct-stream.cc: Fix whitespace in some macro definitions.
John W. Eaton <jwe@octave.org>
parents: 24346
diff changeset
7152 INSTANTIATE_WRITE (octave_int8);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7153 INSTANTIATE_WRITE (octave_uint8);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7154 INSTANTIATE_WRITE (octave_int16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7155 INSTANTIATE_WRITE (octave_uint16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7156 INSTANTIATE_WRITE (octave_int32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7157 INSTANTIATE_WRITE (octave_uint32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7158 INSTANTIATE_WRITE (octave_int64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7159 INSTANTIATE_WRITE (octave_uint64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7160 INSTANTIATE_WRITE (int8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7161 INSTANTIATE_WRITE (uint8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7162 INSTANTIATE_WRITE (int16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7163 INSTANTIATE_WRITE (uint16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7164 INSTANTIATE_WRITE (int32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7165 INSTANTIATE_WRITE (uint32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7166 INSTANTIATE_WRITE (int64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7167 INSTANTIATE_WRITE (uint64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7168 INSTANTIATE_WRITE (bool);
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21335
diff changeset
7169 #if defined (OCTAVE_HAVE_OVERLOAD_CHAR_INT8_TYPES)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7170 INSTANTIATE_WRITE (char);
21235
b48d65c5df5b Disable char/int8_t function overloads where not permitted (bug #45411)
Mike Miller <mtmiller@octave.org>
parents: 20252
diff changeset
7171 #endif
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7172 INSTANTIATE_WRITE (float);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7173 INSTANTIATE_WRITE (double);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7174
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7175 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7176 stream::scanf (const std::string& fmt, const Array<double>& size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7177 octave_idx_type& count, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7178 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7179 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7180
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7181 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7182 retval = m_rep->scanf (fmt, size, count, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7183
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7184 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7185 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7186
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7187 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7188 stream::scanf (const octave_value& fmt, const Array<double>& size,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7189 octave_idx_type& count, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7190 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7191 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7192
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7193 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7194 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7195 std::string sfmt = fmt.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7196
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7197 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7198 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7199
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7200 retval = scanf (sfmt, size, count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7201 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7202 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7203 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7204 // Note: error is member fcn from stream, not ::error.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7205 error (who + ": format must be a string");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7206 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7207
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7208 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7209 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7210
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7211 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7212 stream::oscanf (const std::string& fmt, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7213 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7214 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7215
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7216 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7217 retval = m_rep->oscanf (fmt, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7218
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7219 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7220 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7221
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7222 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7223 stream::oscanf (const octave_value& fmt, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7224 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7225 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7226
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7227 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7228 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7229 std::string sfmt = fmt.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7230
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7231 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7232 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7233
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7234 retval = oscanf (sfmt, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7235 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7236 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7237 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7238 // Note: error is member fcn from stream, not ::error.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7239 error (who + ": format must be a string");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7240 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7241
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7242 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7243 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7244
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7245 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7246 stream::textscan (const std::string& fmt, octave_idx_type ntimes,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7247 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7248 const std::string& who, octave_idx_type& count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7249 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7250 return (stream_ok ()
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7251 ? m_rep->do_textscan (fmt, ntimes, options, who, count)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7252 : octave_value ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7253 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7254
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7255 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7256 stream::printf (const std::string& fmt, const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7257 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7258 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7259 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7260
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7261 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7262 retval = m_rep->printf (fmt, args, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7263
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7264 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7265 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7266
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7267 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7268 stream::printf (const octave_value& fmt, const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7269 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7270 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7271 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7273 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7274 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7275 std::string sfmt = fmt.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7276
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7277 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7278 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7279
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7280 retval = printf (sfmt, args, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7281 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7282 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7283 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7284 // Note: error is member fcn from stream, not ::error.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7285 error (who + ": format must be a string");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7286 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7287
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7288 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7289 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7290
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7291 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7292 stream::puts (const std::string& s, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7293 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7294 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7295
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7296 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7297 retval = m_rep->puts (s, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7298
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7299 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7300 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7301
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7302 // FIXME: maybe this should work for string arrays too.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7303
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7304 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7305 stream::puts (const octave_value& tc_s, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7306 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7307 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7308
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7309 if (tc_s.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7310 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7311 std::string s = tc_s.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7312 retval = puts (s, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7313 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7314 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7315 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7316 // Note: error is member fcn from stream, not ::error.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7317 error (who + ": argument must be a string");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7318 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7319
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7320 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7321 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7322
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7323 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7324 stream::eof (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7325 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7326 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7327
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7328 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7329 retval = m_rep->eof ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7330
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7331 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7332 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7333
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7334 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7335 stream::error (bool clear, int& err_num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7336 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7337 std::string retval = "invalid stream object";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7338
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7339 if (stream_ok (false))
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7340 retval = m_rep->error (clear, err_num);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7341
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7342 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7343 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7344
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7345 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7346 stream::name (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7347 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7348 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7349
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7350 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7351 retval = m_rep->name ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7352
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7353 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7354 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7355
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7356 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7357 stream::mode (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7358 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7359 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7360
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7361 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7362 retval = m_rep->mode ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7363
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7364 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7365 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7366
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7367 mach_info::float_format
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7368 stream::float_format (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7369 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7370 mach_info::float_format retval = mach_info::flt_fmt_unknown;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7371
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7372 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7373 retval = m_rep->float_format ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7374
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7375 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7376 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7377
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7378 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7379 stream::mode_as_string (int mode)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7380 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7381 std::string retval = "???";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7382 std::ios::openmode in_mode = static_cast<std::ios::openmode> (mode);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7383
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7384 if (in_mode == std::ios::in)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7385 retval = "r";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7386 else if (in_mode == std::ios::out
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7387 || in_mode == (std::ios::out | std::ios::trunc))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7388 retval = "w";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7389 else if (in_mode == (std::ios::out | std::ios::app))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7390 retval = "a";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7391 else if (in_mode == (std::ios::in | std::ios::out))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7392 retval = "r+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7393 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7394 retval = "w+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7395 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7396 retval = "a+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7397 else if (in_mode == (std::ios::in | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7398 retval = "rb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7399 else if (in_mode == (std::ios::out | std::ios::binary)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7400 || in_mode == (std::ios::out | std::ios::trunc | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7401 retval = "wb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7402 else if (in_mode == (std::ios::out | std::ios::app | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7403 retval = "ab";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7404 else if (in_mode == (std::ios::in | std::ios::out | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7405 retval = "r+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7406 else if (in_mode == (std::ios::in | std::ios::out | std::ios::trunc
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7407 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7408 retval = "w+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7409 else if (in_mode == (std::ios::in | std::ios::out | std::ios::ate
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7410 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7411 retval = "a+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7412
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7413 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7414 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7415
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7416 stream_list::stream_list (interpreter& interp)
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7417 : m_list (), m_lookup_cache (m_list.end ()), m_stdin_file (-1),
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7418 m_stdout_file (-1), m_stderr_file (-1)
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7419 {
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7420 stream stdin_stream = istream::create (&std::cin, "stdin");
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7421
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7422 // This uses octave_stdout (see pager.h), not std::cout so that
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7423 // Octave's standard output stream will pass through the pager.
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7424
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7425 // FIXME: we should be accessing octave_stdout from the interpreter.
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7426
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7427 output_system& output_sys = interp.get_output_system ();
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7428
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7429 stream stdout_stream
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7430 = ostream::create (&(output_sys.__stdout__ ()), "stdout");
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7431
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7432 stream stderr_stream = ostream::create (&std::cerr, "stderr");
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7433
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7434 m_stdin_file = insert (stdin_stream);
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7435 m_stdout_file = insert (stdout_stream);
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7436 m_stderr_file = insert (stderr_stream);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7437 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7438
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7439 stream_list::~stream_list (void)
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7440 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7441 clear ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7442 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7443
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7444 int stream_list::insert (stream& os)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7445 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7446 // Insert item with key corresponding to file-descriptor.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7447
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7448 int stream_number = os.file_number ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7449
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7450 if (stream_number == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7451 return stream_number;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7452
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7453 // Should we test for
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7454 //
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7455 // (m_list.find (stream_number) != m_list.end ()
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7456 // && m_list[stream_number].is_open ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7457 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7458 // and respond with "error ("internal error: ...")"? It should not
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7459 // happen except for some bug or if the user has opened a stream with
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7460 // an interpreted command, but closed it directly with a system call
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7461 // in an oct-file; then the kernel knows the fd is free, but Octave
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7462 // does not know. If it happens, it should not do harm here to simply
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7463 // overwrite this entry, although the wrong entry might have done harm
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7464 // before.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7465
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7466 if (m_list.size () >= m_list.max_size ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7467 ::error ("could not create file id");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7468
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7469 m_list[stream_number] = os;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7470
6757
c3cd7d14fc5e [project @ 2007-06-25 19:06:42 by jwe]
jwe
parents: 6708
diff changeset
7471 return stream_number;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7472 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7473
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7474 OCTAVE_NORETURN static
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7475 void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7476 err_invalid_file_id (int fid, const std::string& who)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7477 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7478 if (who.empty ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7479 ::error ("invalid stream number = %d", fid);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7480 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7481 ::error ("%s: invalid stream number = %d", who.c_str (), fid);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7482 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7483
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7484 stream stream_list::lookup (int fid, const std::string& who) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7485 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7486 stream retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7487
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7488 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7489 err_invalid_file_id (fid, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7490
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7491 if (m_lookup_cache != m_list.end () && m_lookup_cache->first == fid)
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7492 retval = m_lookup_cache->second;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7493 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7494 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7495 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7496
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7497 if (iter == m_list.end ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7498 err_invalid_file_id (fid, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7499
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7500 retval = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7501 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7502 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7503
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7504 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7505 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7506
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7507 stream stream_list::lookup (const octave_value& fid,
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7508 const std::string& who) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7509 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7510 int i = get_file_number (fid);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7511
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7512 return lookup (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7513 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7514
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7515 int stream_list::remove (int fid, const std::string& who)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7516 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7517 // Can't remove stdin (std::cin), stdout (std::cout), or stderr (std::cerr).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7518 if (fid < 3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7519 err_invalid_file_id (fid, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7520
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7521 auto iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7522
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7523 if (iter == m_list.end ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7524 err_invalid_file_id (fid, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7525
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7526 stream os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7527 m_list.erase (iter);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7528 m_lookup_cache = m_list.end ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7529
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7530 // FIXME: is this check redundant?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7531 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7532 err_invalid_file_id (fid, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7533
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7534 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7535
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7536 return 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7537 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7538
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7539 int stream_list::remove (const octave_value& fid, const std::string& who)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7540 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7541 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7542
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7543 if (fid.is_string () && fid.string_value () == "all")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7544 {
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7545 clear (false);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7546
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7547 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7548 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7549 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7550 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7551 int i = get_file_number (fid);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7552
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7553 retval = remove (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7554 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7555
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7556 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7557 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7558
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7559 void stream_list::clear (bool flush)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7560 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7561 if (flush)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7562 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7563 // Flush stdout and stderr.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7564 m_list[1].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7565 m_list[2].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7566 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7567
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7568 for (auto iter = m_list.begin (); iter != m_list.end (); )
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7569 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7570 int fid = iter->first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7571 if (fid < 3) // Don't delete stdin, stdout, stderr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7572 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7573 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7574 continue;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7575 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7576
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7577 stream os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7578
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7579 std::string name = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7580 std::transform (name.begin (), name.end (), name.begin (), tolower);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7581
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7582 // FIXME: This test for gnuplot is hardly foolproof.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7583 if (name.find ("gnuplot") != std::string::npos)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7584 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7585 // Don't close down pipes to gnuplot
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7586 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7587 continue;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7588 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7589
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7590 // Normal file handle. Close and delete from m_list.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7591 if (os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7592 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7593
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7594 m_list.erase (iter++);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7595 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7596
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7597 m_lookup_cache = m_list.end ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7598 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7599
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7600 string_vector stream_list::get_info (int fid) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7601 {
26705
c13143821eef Add front-end support for encodings in "fopen" (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26703
diff changeset
7602 string_vector retval (4);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7603
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7604 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7605 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7606
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7607 stream os;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7608 if (m_lookup_cache != m_list.end () && m_lookup_cache->first == fid)
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7609 os = m_lookup_cache->second;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7610 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7611 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7612 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7613
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7614 if (iter == m_list.end ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7615 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7616
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7617 os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7618 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7619 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7620
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7621 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7622 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7623
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7624 retval(0) = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7625 retval(1) = stream::mode_as_string (os.mode ());
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7626 retval(2) = mach_info::float_format_as_string (os.float_format ());
26705
c13143821eef Add front-end support for encodings in "fopen" (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26703
diff changeset
7627 retval(3) = os.encoding ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7628
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7629 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7630 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7631
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7632 string_vector stream_list::get_info (const octave_value& fid) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7633 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7634 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7635
26640
c18e59476795 file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents: 26566
diff changeset
7636 if (fid.is_single_type ())
c18e59476795 file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents: 26566
diff changeset
7637 ::error ("file id must be a file object or integer value");
c18e59476795 file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents: 26566
diff changeset
7638
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7639 int int_fid = convert_to_valid_int (fid, conv_err);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7640
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7641 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7642 ::error ("file id must be a file object or integer value");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7643
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7644 return get_info (int_fid);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7645 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7646
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7647 std::string stream_list::list_open_files (void) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7648 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7649 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7650
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7651 buf << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7652 << " number mode arch name\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7653 << " ------ ---- ---- ----\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7654
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7655 for (const auto& fid_strm : m_list)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7656 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7657 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7658
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7659 buf << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7660 << std::setiosflags (std::ios::right)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7661 << std::setw (4) << fid_strm.first << " "
19123
c8f03ccdc9ee Align columns for freport() output.
Rik <rik@octave.org>
parents: 18676
diff changeset
7662 // reset necessary in addition to setiosflags since this is one stmt.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7663 << std::resetiosflags (std::ios::adjustfield)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7664 << std::setiosflags (std::ios::left)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7665 << std::setw (3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7666 << stream::mode_as_string (os.mode ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7667 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7668 << std::setw (9)
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7669 << mach_info::float_format_as_string (os.float_format ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7670 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7671 << os.name () << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7672 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7673
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7674 buf << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7676 return buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7677 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7678
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7679 octave_value stream_list::open_file_numbers (void) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7680 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7681 Matrix retval (1, m_list.size (), 0.0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7682
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7683 int num_open = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7684
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7685 for (const auto& fid_strm : m_list)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7686 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7687 // Skip stdin, stdout, and stderr.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7688 if (fid_strm.first > 2 && fid_strm.second)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7689 retval(0, num_open++) = fid_strm.first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7690 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7691
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7692 retval.resize ((num_open > 0), num_open);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7693
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7694 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7695 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7696
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7697 int stream_list::get_file_number (const octave_value& fid) const
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7698 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7699 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7700
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7701 if (fid.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7702 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7703 std::string nm = fid.string_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7704
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7705 for (const auto& fid_strm : m_list)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7706 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7707 // stdin, stdout, and stderr are unnamed.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7708 if (fid_strm.first > 2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7709 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7710 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7711
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7712 if (os && os.name () == nm)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7713 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7714 retval = fid_strm.first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7715 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7716 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7717 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7718 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7719 }
26640
c18e59476795 file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents: 26566
diff changeset
7720 else if (fid.is_single_type ())
c18e59476795 file id must not be single for textscan and other file I/O funcs (bug #55577)
Mike Miller <mtmiller@octave.org>
parents: 26566
diff changeset
7721 ::error ("file id must be a file object, std::string, or integer value");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7722 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7723 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7724 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7725
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7726 int int_fid = convert_to_valid_int (fid, conv_err);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7727
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7728 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7729 ::error ("file id must be a file object, std::string, or integer value");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7730
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7731 retval = int_fid;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7732 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7733
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7734 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7735 }
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7736
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7737 octave_value stream_list::stdin_file (void) const
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7738 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7739 return octave_value (m_stdin_file);
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7740 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7741
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7742 octave_value stream_list::stdout_file (void) const
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7743 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7744 return octave_value (m_stdout_file);
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7745 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7746
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7747 octave_value stream_list::stderr_file (void) const
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7748 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7749 return octave_value (m_stderr_file);
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7750 }
31605
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 31171
diff changeset
7751
e88a07dec498 maint: Use macros to begin/end C++ namespaces.
Rik <rik@octave.org>
parents: 31171
diff changeset
7752 OCTAVE_END_NAMESPACE(octave)