annotate libinterp/corefcn/oct-stream.cc @ 30166:bb7ac72c394e

maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list. * oct-stream.cc: Use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
author Rik <rik@octave.org>
date Mon, 13 Sep 2021 17:10:48 -0700
parents 14af343e4263
children 964a937d556f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2021 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 <iomanip>
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38 #include <iostream>
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39 #include <sstream>
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40 #include <string>
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41
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42 #include "Array.h"
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43 #include "Cell.h"
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44 #include "byte-swap.h"
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45 #include "lo-ieee.h"
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46 #include "lo-mappers.h"
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47 #include "lo-utils.h"
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48 #include "oct-locbuf.h"
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49 #include "octave-preserve-stream-state.h"
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50 #include "quit.h"
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51 #include "str-vec.h"
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52
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53 #include "error.h"
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54 #include "errwarn.h"
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55 #include "input.h"
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56 #include "interpreter-private.h"
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57 #include "interpreter.h"
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58 #include "octave.h"
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59 #include "oct-iostrm.h"
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60 #include "oct-stdstrm.h"
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61 #include "oct-string.h"
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62 #include "oct-stream.h"
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63 #include "ov.h"
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64 #include "ovl.h"
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65 #include "pager.h"
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66 #include "utils.h"
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67
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68 namespace octave
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69 {
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70 // Programming Note: There are two very different error functions used
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71 // in the stream code. When invoked with "error (...)" the member
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72 // function from stream or base_stream is called. This
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73 // function sets the error state on the stream AND returns control to
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74 // the caller. The caller must then return a value at the end of the
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75 // function. When invoked with "::error (...)" the exception-based
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76 // error function from error.h is used. This function will throw an
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77 // exception and not return control to the caller. BE CAREFUL and
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78 // invoke the correct error function!
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79
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80 // Possible values for conv_err:
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81 //
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82 // 1 : not a real scalar
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83 // 2 : value is NaN
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84 // 3 : value is not an integer
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85
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86 static int
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87 convert_to_valid_int (const octave_value& tc, int& conv_err)
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88 {
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89 conv_err = 0;
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90
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91 int retval = 0;
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92
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93 double dval = 0.0;
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94
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95 try
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96 {
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97 dval = tc.double_value ();
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98 }
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99 catch (const execution_exception&)
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100 {
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101 interpreter& interp = __get_interpreter__ ("convert_to_valid_int");
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102
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103 interp.recover_from_exception ();
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104
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105 conv_err = 1;
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106 }
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107
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108 if (! conv_err)
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109 {
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110 if (! lo_ieee_isnan (dval))
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111 {
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112 int ival = math::nint (dval);
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113
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114 if (ival == dval)
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115 retval = ival;
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116 else
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117 conv_err = 3;
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118 }
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119 else
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120 conv_err = 2;
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121 }
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122
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123 return retval;
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124 }
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125
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126 static octave_idx_type
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127 get_size (double d, const std::string& who)
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128 {
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129 octave_idx_type retval = -1;
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130
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131 if (lo_ieee_isnan (d))
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132 ::error ("%s: NaN invalid as size specification", who.c_str ());
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133
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134 if (math::isinf (d))
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135 retval = -1;
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136 else
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137 {
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138 if (d < 0.0)
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139 ::error ("%s: negative value invalid as size specification",
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140 who.c_str ());
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141
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142 if (d > std::numeric_limits<octave_idx_type>::max ())
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143 ::error ("%s: dimension too large for Octave's index type",
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144 who.c_str ());
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145
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146 retval = math::nint_big (d);
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147 }
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148
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149 return retval;
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150 }
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151
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152 static void
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153 get_size (const Array<double>& size,
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154 octave_idx_type& nr, octave_idx_type& nc,
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155 bool& one_elt_size_spec, const std::string& who)
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156 {
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157 nr = -1;
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158 nc = -1;
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159
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160 one_elt_size_spec = false;
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161
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162 double dnr = -1.0;
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163 double dnc = -1.0;
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164
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165 octave_idx_type sz_len = size.numel ();
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166
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167 if (sz_len == 1)
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168 {
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169 one_elt_size_spec = true;
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170
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171 dnr = size(0);
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172
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173 dnc = (dnr == 0.0) ? 0.0 : 1.0;
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174 }
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175 else if (sz_len == 2)
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176 {
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177 dnr = size(0);
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178
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179 if (math::isinf (dnr))
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180 ::error ("%s: infinite value invalid as size specification",
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181 who.c_str ());
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182
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183 dnc = size(1);
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184 }
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185 else
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186 ::error ("%s: invalid size specification (must be 2-D)", who.c_str ());
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187
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188 nr = get_size (dnr, who);
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189
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190 if (dnc >= 0.0)
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191 {
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192 nc = get_size (dnc, who);
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193
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194 // Check for overflow.
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195 if (nr > 0 && nc > 0
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196 && nc > std::numeric_limits<octave_idx_type>::max () / nr)
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197 ::error ("%s: size too large for Octave's index type", who.c_str ());
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198 }
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199 }
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200
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201 static std::string
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202 expand_char_class (const std::string& s)
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203 {
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204 std::string retval;
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205
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206 std::size_t len = s.length ();
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207
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208 std::size_t i = 0;
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209
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210 while (i < len)
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211 {
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212 unsigned char c = s[i++];
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213
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214 if (c == '-' && i > 1 && i < len
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215 && ( static_cast<unsigned char> (s[i-2])
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216 <= static_cast<unsigned char> (s[i])))
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217 {
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218 // Add all characters from the range except the first (we
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219 // already added it below).
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220
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221 for (c = s[i-2]+1; c < s[i]; c++)
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222 retval += c;
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223 }
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224 else
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225 {
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226 // Add the character to the class. Only add '-' if it is
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227 // the last character in the class.
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228
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229 if (c != '-' || i == len)
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230 retval += c;
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231 }
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232 }
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233
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234 return retval;
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235 }
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236
23059
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237 class
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238 scanf_format_elt
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239 {
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240 public:
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241
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242 enum special_conversion
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243 {
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244 whitespace_conversion = 1,
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245 literal_conversion = 2,
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246 null = 3
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247 };
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248
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249 scanf_format_elt (const std::string& txt = "", int w = 0, bool d = false,
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250 char typ = '\0', char mod = '\0',
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251 const std::string& ch_class = "")
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252 : text (txt), width (w), discard (d), type (typ),
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253 modifier (mod), char_class (ch_class)
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254 { }
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255
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256 scanf_format_elt (const scanf_format_elt&) = default;
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257
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258 scanf_format_elt& operator = (const scanf_format_elt&) = default;
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259
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260 ~scanf_format_elt (void) = default;
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261
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262 // The C-style format string.
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263 std::string text;
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264
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265 // The maximum field width.
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266 int width;
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267
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268 // TRUE if we are not storing the result of this conversion.
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269 bool discard;
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270
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271 // Type of conversion -- 'd', 'i', 'o', 'u', 'x', 'e', 'f', 'g',
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272 // 'c', 's', 'p', '%', or '['.
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273 char type;
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274
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275 // A length modifier -- 'h', 'l', or 'L'.
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276 char modifier;
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277
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278 // The class of characters in a '[' format.
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279 std::string char_class;
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280 };
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281
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282 class
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283 scanf_format_list
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284 {
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285 public:
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286
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287 scanf_format_list (const std::string& fmt = "");
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288
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289 // No copying!
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290
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291 scanf_format_list (const scanf_format_list&) = delete;
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292
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293 scanf_format_list& operator = (const scanf_format_list&) = delete;
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294
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295 ~scanf_format_list (void);
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296
30166
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diff changeset
297 octave_idx_type num_conversions (void) { return m_nconv; }
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298
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299 // The length can be different than the number of conversions.
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300 // For example, "x %d y %d z" has 2 conversions but the length of
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301 // the list is 3 because of the characters that appear after the
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302 // last conversion.
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303
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304 std::size_t length (void) const { return m_fmt_elts.size (); }
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305
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306 const scanf_format_elt * first (void)
2117
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307 {
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308 m_curr_idx = 0;
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309 return current ();
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310 }
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311
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312 const scanf_format_elt * current (void) const
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313 {
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314 return length () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
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315 }
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316
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317 const scanf_format_elt * next (bool cycle = true)
3640
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318 {
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319 static scanf_format_elt dummy
24753
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320 ("", 0, false, scanf_format_elt::null, '\0', "");
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321
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322 m_curr_idx++;
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323
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324 if (m_curr_idx >= length ())
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325 {
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326 if (cycle)
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327 m_curr_idx = 0;
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328 else
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329 return &dummy;
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330 }
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331
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332 return current ();
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333 }
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334
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335 void printme (void) const;
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336
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337 bool ok (void) const { return (m_nconv >= 0); }
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338
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339 operator bool () const { return ok (); }
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340
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341 bool all_character_conversions (void);
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342
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343 bool all_numeric_conversions (void);
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344
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345 private:
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346
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347 void add_elt_to_list (int width, bool discard, char type, char modifier,
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diff changeset
348 const std::string& char_class = "");
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349
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350 void process_conversion (const std::string& s, std::size_t& i, std::size_t n,
23059
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351 int& width, bool& discard, char& type,
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352 char& modifier);
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353
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diff changeset
354 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>
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diff changeset
355 int width, bool discard, char& type,
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356 char modifier);
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357
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358 //--------
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359
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360 // Number of conversions specified by this format string, or -1 if
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361 // invalid conversions have been found.
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diff changeset
362 octave_idx_type m_nconv;
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diff changeset
363
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diff changeset
364 // Index to current element;
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diff changeset
365 std::size_t m_curr_idx;
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diff changeset
366
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diff changeset
367 // List of format elements.
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diff changeset
368 std::deque<scanf_format_elt*> m_fmt_elts;
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diff changeset
369
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diff changeset
370 // Temporary buffer.
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diff changeset
371 std::ostringstream m_buf;
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diff changeset
372
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373 };
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diff changeset
374
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diff changeset
375 scanf_format_list::scanf_format_list (const std::string& s)
30166
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376 : m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
23059
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377 {
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diff changeset
378 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
379
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diff changeset
380 std::size_t i = 0;
23059
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diff changeset
381
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diff changeset
382 int width = 0;
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diff changeset
383 bool discard = false;
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diff changeset
384 char modifier = '\0';
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diff changeset
385 char type = '\0';
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diff changeset
386
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
387 bool have_more = true;
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diff changeset
388
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diff changeset
389 while (i < n)
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diff changeset
390 {
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diff changeset
391 have_more = true;
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diff changeset
392
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diff changeset
393 if (s[i] == '%')
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diff changeset
394 {
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diff changeset
395 // Process percent-escape conversion type.
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diff changeset
396
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diff changeset
397 process_conversion (s, i, n, width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
398
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diff changeset
399 have_more = (m_buf.tellp () != 0);
23059
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400 }
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diff changeset
401 else if (isspace (s[i]))
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diff changeset
402 {
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diff changeset
403 type = scanf_format_elt::whitespace_conversion;
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diff changeset
404
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
405 width = 0;
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diff changeset
406 discard = false;
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diff changeset
407 modifier = '\0';
30166
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diff changeset
408 m_buf << ' ';
23059
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diff changeset
409
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
410 while (++i < n && isspace (s[i]))
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diff changeset
411 ; // skip whitespace
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diff changeset
412
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
413 add_elt_to_list (width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
414
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
415 have_more = false;
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diff changeset
416 }
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
417 else
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diff changeset
418 {
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diff changeset
419 type = scanf_format_elt::literal_conversion;
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diff changeset
420
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diff changeset
421 width = 0;
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diff changeset
422 discard = false;
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diff changeset
423 modifier = '\0';
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diff changeset
424
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
425 while (i < n && ! isspace (s[i]) && s[i] != '%')
30166
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diff changeset
426 m_buf << s[i++];
23059
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diff changeset
427
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
428 add_elt_to_list (width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
429
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
430 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
431 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
432
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
433 if (m_nconv < 0)
23059
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
437 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
438 }
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 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
441 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
442
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
443 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
444 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
445 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
446
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
447 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
448 {
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
449 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
450
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
451 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
452 {
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
453 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
454 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
455 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
456 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
457
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
458 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
459 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
460 char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
461 const std::string& char_class)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
462 {
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
463 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
464
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
465 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
466 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
467 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
468 = 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
469 modifier, char_class);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
470
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
471 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
472 }
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
473
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
474 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
475 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
476 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
477
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
478 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
479 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
480 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
481 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
482 char& modifier)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
483 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
484 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
485 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
486 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
487 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
488
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
489 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
490
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
491 bool have_width = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
492
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
493 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
494 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
495 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
496 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
497 case '*':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
498 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
499 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
500 else
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 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
503 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
504 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
505 break;
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 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
508 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
509 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
510 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
511 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
512 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
513 char c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
514 width = 10 * width + c - '0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
515 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
516 m_buf << c;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
517 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
518 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
519 c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
520 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
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 }
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
525
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
526 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
527 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
528 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
529 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
530 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
531 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
532
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
533 // 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
534 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
535 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
536 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
537 {
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
538 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
539 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
540 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
541 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
542
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
543 // 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
544 // Matlab behavior.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
545 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
546 case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
547 if (modifier == 'h')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
548 {
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
549 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
550 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
551 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
552
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
553 // 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
554 m_buf << 'l';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
555
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
556 goto fini;
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 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
559 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
560 {
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
561 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
562 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
563 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
564 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
565
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
566 fini:
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
567 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
568 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
569 type, modifier) == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
570 return;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
571 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
572 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
573
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
574 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
575 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
576 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
577 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
578
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
579 if (m_nconv < 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
580 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
581 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
582
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
583 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
584 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
585
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
586 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
587 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
588 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
589 char& type, char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
590 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
591 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
592
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
593 std::string char_class;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
594
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
595 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
596 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
597
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
598 if (s[i] == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
599 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
600 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
601 m_buf << s[i++];
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 else
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 = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
606
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
607 if (s[i] == '[')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
608 {
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
609 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
610
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
611 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
612 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
613 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
614
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
615 if (s[i] == '^')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
616 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
617 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
618 m_buf << s[i++];
23059
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 (i < n)
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 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
623
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
624 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
625 m_buf << s[i++];
23059
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
628 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
629 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
630 }
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 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
633 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
634
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
635 if (i < n && s[i] == ']')
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 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
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
641 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
642 retval = m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
643 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
644 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
645 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
646
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 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
648 }
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
649
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 if (m_nconv >= 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
651 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
652 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
653 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
654 end_idx - beg_idx + 1));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
655
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
656 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
657 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
658
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
659 return retval;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
660 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
661
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
662 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
663 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
664 {
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
665 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
666
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
667 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
668 {
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
669 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
670
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
671 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
672 << "width: " << elt->width << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
673 << "discard: " << elt->discard << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
674 << "type: ";
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 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
677 std::cerr << "literal text\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
678 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
679 std::cerr << "whitespace\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
680 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
681 std::cerr << elt->type << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
682
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
683 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
684 << "modifier: " << elt->modifier << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
685 << "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
686 << "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
687 }
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
688 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
689
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
690 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
691 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
692 {
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
693 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
694
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
695 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
696 {
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
697 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
698 {
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
699 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
700
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
701 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
702 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
703 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
704 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
705 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
706 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
709 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
710 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
711 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
714 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
715 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
716 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
717 return false;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
718 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
719
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
720 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
721 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
722 {
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
723 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
724
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
725 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
726 {
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
727 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
728 {
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
729 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
730
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
731 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
732 {
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
733 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
734 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
735 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
736
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
737 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
738 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
739 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
740 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
743 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
744 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
745 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
746 return false;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
749 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
750 printf_format_elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
751 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
752 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
753
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
754 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
755 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
756 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
757 : 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
758 type (typ), modifier (mod)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
759 { }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
760
24991
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
761 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
762
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
763 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
764
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
765 ~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
766
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
767 // 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
768 std::string text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
769
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
770 // 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
771 int args;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
772
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
773 // Field width.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
774 int fw;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
775
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
776 // Precision.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
777 int prec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
778
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
779 // Flags -- '-', '+', ' ', '0', or '#'.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
780 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
781
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
782 // 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
783 // '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
784 char type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
785
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
786 // 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
787 char modifier;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
788 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
789
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
790 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
791 printf_format_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
792 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
793 public:
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 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
796
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
797 // No copying!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
798
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
799 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
800
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
801 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
802
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
803 ~printf_format_list (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
804
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
805 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
806
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
807 const printf_format_elt * first (void)
4223
5ebaf7eee36e [project @ 2002-12-17 23:54:34 by jwe]
jwe
parents: 4153
diff changeset
808 {
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
809 m_curr_idx = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
810 return current ();
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
811 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
812
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
813 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
814 {
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
815 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
816 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
817
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
818 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
819
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
820 const printf_format_elt * next (bool cycle = true)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
821 {
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
822 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
823
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
824 if (m_curr_idx >= length ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
825 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
826 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
827 m_curr_idx = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
828 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
829 return nullptr;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
830 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
831
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
832 return current ();
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
833 }
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
834
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
835 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
836
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
837 void printme (void) const;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
838
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
839 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
840
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
841 operator bool () const { return ok (); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
842
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
843 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
844
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
845 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
846 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
847
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
848 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
849 std::size_t n,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
850 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
851 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
852
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
853 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
854 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
855 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
856
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
857 //--------
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
858
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
859 // 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
860 // 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
861 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
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 // 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
864 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
865
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 // List of format elements.
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 std::deque<printf_format_elt*> m_fmt_elts;
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
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 // 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
870 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
871
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
872 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
873
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
874 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
875 : 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
876 {
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
877 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
878
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
879 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
880
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
881 int args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
882 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
883 int fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
884 int prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
885 char modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
886 char type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
887
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
888 bool have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
889 bool empty_buf = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
890
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
891 if (n == 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 printf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
894 = 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
895
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
896 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
897 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
898 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
899 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
900 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
901 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
902 have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
903
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
904 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
905
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
906 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
907 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
908 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
909 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
910 if (empty_buf)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
911 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
912 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
913 modifier, type);
23059
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 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
916 // 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
917 // 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
918 // 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
919 // last trip through the loop.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
920
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
921 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
922 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
923 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
924 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
925 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
926 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
929 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
930 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
931 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
932 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
933 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
934 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
935 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
936 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
937 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
938 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
939 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
940
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 if (m_nconv < 0)
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 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
944 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
945 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
946 }
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 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
949 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
950
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
951 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
952 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
953 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
954 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
955
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
956 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
957 {
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
958 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
959
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
960 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
961 {
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
962 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
963 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
964 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
965 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
966
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
967 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
968 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
969 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
970 char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
971 {
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
972 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
973
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
974 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
975 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
976 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
977 = 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
978 type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
979
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
980 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
981 }
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
982
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
983 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
984 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
985 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
987 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
988 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
989 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
990 std::string& flags, int& fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
991 int& prec, char& modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
992 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
993 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
994 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
995 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
996 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
997 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
998 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
999 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1000
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
1001 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1002
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1003 bool nxt = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1005 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1006 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1007 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1008 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1009 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
1010 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
1011 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1012 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1015 nxt = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1016 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1017 }
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 if (nxt)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
1020 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1021 }
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 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1024 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1025 if (s[i] == '*')
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 fw = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1028 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
1029 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1030 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1031 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1032 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1033 if (isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1034 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1035 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1036 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
1037 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
1038 }
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 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
1041 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1042 }
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 if (i < n && s[i] == '.')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1046 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1047 // nothing before the . means 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1048 if (fw == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1049 fw = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1050
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1051 // . followed by nothing is 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1052 prec = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1053
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
1054 m_buf << s[i++];
23059
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 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1057 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1058 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1059 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1060 prec = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1061 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
1062 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1063 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1064 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1065 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1066 if (isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1067 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1068 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1069 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
1070 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
1071 }
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 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
1074 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1075 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1079 if (i < n)
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 // 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
1082 // 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
1083 // integers.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1084
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1085 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1086 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1087 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
1088 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1089 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1090
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1091 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1092 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1093 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1094 }
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 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1097 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
1098 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
1099 m_nconv = -1;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1102 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
1103 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
1104 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
1105 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
1106 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1107 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1108 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1109 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1110 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
1111 case 'u': case 'c':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1112 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1113 {
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
1114 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1115 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1116 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1117 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1118
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1119 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
1120 if (modifier == 'h' || modifier == 'l')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1121 {
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
1122 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1123 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1124 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1125 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1126
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1127 case 's': case 'p': case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1128 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1129 {
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
1130 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1131 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1132 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1133 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1134
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1135 fini:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1136
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1137 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1138
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
1139 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1141 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
1142 m_nconv++;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1143
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1144 if (type != '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1145 args++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1146
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1147 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
1148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1149 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1150
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1151 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
1152 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1153 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1154 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1157 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1158 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
1159 {
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
1160 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
1161
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1162 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
1163 {
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
1164 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
1165
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1166 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1167 << "args: " << elt->args << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1168 << "flags: '" << elt->flags << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1169 << "width: " << elt->fw << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1170 << "prec: " << elt->prec << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1171 << "type: '" << elt->type << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1172 << "modifier: '" << elt->modifier << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1173 << "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
1174 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1175 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1176
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1177 // 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
1178 // exactly 100 and 5e-1 is 1/2
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1179
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1180 static double
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1181 pown (double x, unsigned int n)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1182 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1183 double retval = 1;
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 for (unsigned int d = n; d; d >>= 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1186 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1187 if (d & 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1188 retval *= x;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1189 x *= x;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1190 }
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 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1193 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1194
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1195 static Cell
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1196 init_inf_nan (void)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1197 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1198 Cell retval (dim_vector (1, 2));
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 retval(0) = Cell (octave_value ("inf"));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1201 retval(1) = Cell (octave_value ("nan"));
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 return retval;
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
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1206 // 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
1207 // by single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1208 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1209 // 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
1210 // 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
1211 // textscan workload.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1212 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1213 // 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
1214 // 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
1215 // 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
1216 // 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
1217 // 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
1218
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1219 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1220 delimited_stream
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1221 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1222 public:
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 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
1225 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
1226
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1227 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
1228
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1229 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1230
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1231 delimited_stream (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1232
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1233 delimited_stream& operator = (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1234
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1235 ~delimited_stream (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1236
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1237 // 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
1238 // 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
1239 void field_done (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1240 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1241 if (idx >= last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1242 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1243 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1244
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1245 // 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
1246 // Return EOF at end of file, 0 otherwise.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1247 int refresh_buf (void);
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 // 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
1250 // a delimiter has been reached.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1251 int get (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1252 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1253 if (delimited)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1254 return eof () ? std::istream::traits_type::eof () : *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1255 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1256 return get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1257 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1258
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1259 // 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
1260 int get_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1261
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1262 // 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
1263 // 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
1264 // 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
1265 // 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
1266 int peek (void)
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
1267 { return eof () ? std::istream::traits_type::eof () : *idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1268
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1269 // 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
1270 int peek_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1271
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1272 // 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
1273 // 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
1274 // 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
1275 // get, get_delim, field_done, refresh_buf, getline, read or seekg.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1276 void putback (char /*ch*/ = 0) { if (! eof ()) --idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1277
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1278 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
1279
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1280 // int skipline (char delim);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1281
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1282 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
1283
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1284 // 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
1285 // block between calls to field_done.
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1286 char * tellg (void) { return idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1287
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1288 void seekg (char *old_idx) { idx = old_idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1289
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1290 bool eof (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1291 {
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
1292 return (eob == m_buf && i_stream.eof ())
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
1293 || (flags & std::ios_base::eofbit);
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
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
1296 operator const void* (void)
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
1297 { return (! eof () && ! flags) ? this : nullptr; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1298
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1299 bool fail (void) { return flags & std::ios_base::failbit; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1300
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1301 std::ios_base::iostate rdstate (void) { return flags; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1302
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1303 void setstate (std::ios_base::iostate m) { flags = flags | m; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1304
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1305 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
1306 = (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
1307 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1308 flags = 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
1309 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1310
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1311 // 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
1312 // (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
1313
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1314 void progress_benchmark (void) { progress_marker = idx; }
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 bool no_progress (void) { return progress_marker == idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1317
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1318 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1319
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1320 // Number of characters to read from the file at once.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1321 int bufsize;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1322
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1323 // Stream to read from.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1324 std::istream& i_stream;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1325
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1326 // 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
1327 char *m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1328
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1329 // Current read pointer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1330 char *idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1331
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1332 // 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
1333 // delimited is false).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1334 char *last;
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 // Position after last character in buffer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1337 char *eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1338
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26640
diff changeset
1339 // True if there is delimiter in the buffer after idx.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1340 bool delimited;
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 // Longest lookahead required.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1343 int longest;
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 // Sequence of single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1346 const std::string delims;
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 // Position of start of buf in original stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1349 std::streampos buf_in_file;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1350
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1351 // Marker to see if a read consumes any characters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1352 char *progress_marker;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1353
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1354 std::ios_base::iostate flags;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1355 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1356
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1357 // 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
1358 // 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
1359 // 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
1360
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1361 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
1362 const std::string& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1363 int longest_lookahead,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1364 octave_idx_type bsize)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1365 : bufsize (bsize), i_stream (is), longest (longest_lookahead),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1366 delims (delimiters),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1367 flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1368 {
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
1369 m_buf = new char[bufsize];
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
1370 eob = m_buf + bufsize;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1371 idx = eob; // refresh_buf shouldn't try to copy old data
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1372 progress_marker = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1373 refresh_buf (); // load the first batch of data
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 // 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
1377 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
1378 const delimited_stream& ds)
24177
89167cc74260 Reuse constructor code of delimited stream.
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24176
diff changeset
1379 : delimited_stream (is, ds.delims, ds.longest, ds.bufsize)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1380 { }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1381
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1382 delimited_stream::~delimited_stream (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1383 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1384 // 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
1385 if (! eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1386 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1387 i_stream.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1388 i_stream.seekg (buf_in_file);
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
1389 i_stream.read (m_buf, idx - 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
1390 }
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
1391
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
1392 delete [] m_buf;
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 // 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
1396 // if necessary.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1397
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1398 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1399 delimited_stream::get_undelim (void)
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 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1402 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1403 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1404 setstate (std::ios_base::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1405 return std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1406 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1407
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1408 if (idx < eob)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1409 retval = *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1410 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1411 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1412 refresh_buf ();
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 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1415 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1416 setstate (std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1417 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1418 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1419 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1420 retval = *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1421 }
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 if (idx >= last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1424 delimited = false;
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 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1427 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1428
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1429 // 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
1430 // 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
1431
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1432 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1433 delimited_stream::peek_undelim (void)
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 int retval = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1436 putback ();
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 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1439 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1440
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1441 // 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
1442 // 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
1443 // 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
1444 // processed.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1445
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1446 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1447 delimited_stream::refresh_buf (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1448 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1449 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1450 return std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1451
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1452 int retval;
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 if (eob < idx)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1455 idx = eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1456
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
1457 std::size_t old_remaining = eob - idx;
22326
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 octave_quit (); // allow ctrl-C
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1460
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1461 if (old_remaining > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1462 {
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
1463 buf_in_file += (idx - 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
1464 memmove (m_buf, idx, old_remaining);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1465 }
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
1466 else
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
1467 buf_in_file = i_stream.tellg (); // record for destructor
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1468
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
1469 progress_marker -= idx - m_buf; // where original idx would have been
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
1470 idx = m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1471
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1472 int gcount; // chars read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1473 if (! i_stream.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1474 {
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
1475 i_stream.read (m_buf + old_remaining, bufsize - old_remaining);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1476 gcount = i_stream.gcount ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1477 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1478 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1479 gcount = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1480
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
1481 eob = m_buf + old_remaining + gcount;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1482 last = eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1483 if (gcount == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1484 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1485 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1486
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
1487 if (eob != m_buf) // 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
1488 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1489 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1490 // file and buffer are both done.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1491 retval = std::istream::traits_type::eof ();
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1494 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1495 delimited = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1496
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
1497 for (last = eob - longest; last - m_buf >= 0; last--)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1498 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1499 if (delims.find (*last) != std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1500 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1501 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1502
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
1503 if (last < m_buf)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1504 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1505
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1506 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1507 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1508
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1509 // 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
1510 if (retval == std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1511 *idx = '\0'; // FIXME: check that no TreatAsEmpty etc starts w. \0?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1512
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1513 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1514 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1515
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1516 // 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
1517 // 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
1518 // 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
1519 // 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
1520 // 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
1521
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1522 char *
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1523 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
1524 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1525 char *retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1526
29342
b50ca5cbfb0f Allow writing full size matrices with dlmwrite (bug #59955).
Rik <rik@octave.org>
parents: 29233
diff changeset
1527 if (eob - idx > size)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1528 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1529 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1530 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1531 if (idx > last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1532 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1533 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1534 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1535 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1536 // 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
1537 // 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
1538 // 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
1539 // 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
1540
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1541 if (eob - prior_tell + size < bufsize)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1542 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1543 octave_idx_type gap = idx - prior_tell;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1544 idx = prior_tell;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1545 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1546 idx += gap;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1547 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1548 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
1549 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1550 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1551 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1552
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
1553 prior_tell = m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1554
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1555 if (eob - idx > size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1556 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1557 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1558 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1559 if (idx > last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1560 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1561 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1562 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1563 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1564 if (size <= bufsize) // small read, but reached EOF
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1565 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1566 retval = idx;
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
1567 memset (eob, 0, size + (idx - m_buf));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1568 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1569 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1570 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
1571 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1572 retval = buffer;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1573 // FIXME: read bufsize at a time
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1574 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1575 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
1576 *buffer++ = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1577 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1578 memset (buffer, 0, size - i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1579 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1580 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1581 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1582
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1583 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1584 }
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 // 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
1587 // must have length at least 1.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1588
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1589 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1590 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
1591 {
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
1592 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
1593 int used = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1594 int ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1595 while ((ch = get_undelim ()) != delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1596 && ch != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1597 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1598 out[used++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1599 if (used == len)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1600 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1601 len <<= 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1602 out.resize (len);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1603 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1604 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1605 out.resize (used);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1606 field_done ();
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 return ch;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1611 // 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
1612
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1613 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1614 textscan_format_elt
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1615 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1616 public:
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 enum special_conversion
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1619 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1620 whitespace_conversion = 1,
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1621 literal_conversion = 2
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1622 };
22326
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 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
1625 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
1626 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
1627 : 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
1628 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
1629 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
1630 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1631
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1632 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
1633 : 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
1634 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
1635 discard (e.discard), numeric (e.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1636 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1637
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1638 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
1639 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1640 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
1641 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1642 text = e.text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1643 width = e.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1644 prec = e.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1645 bitwidth = e.bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1646 discard = e.discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1647 type = e.type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1648 numeric = e.numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1649 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
1650 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1651
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1652 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
1653 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1654
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1655 // The C-style format string.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1656 std::string text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1657
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1658 // The maximum field width.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1659 unsigned int width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1660
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1661 // 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
1662 // floating point conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1663 int prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1664
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1665 // 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
1666 // 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
1667 int bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1668
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1669 // 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
1670 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1671
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1672 // Type of conversion
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1673 // -- '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
1674 char type;
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 // 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
1677 bool discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1678
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1679 // 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
1680 bool numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1681 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1682
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1683 // The (parsed) sequence of format specifiers.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1684
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1685 class textscan;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1686
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1687 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1688 textscan_format_list
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 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1691
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1692 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
1693 const std::string& who = "textscan");
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1694 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1695
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1696 textscan_format_list (const textscan_format_list&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1697
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1698 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
1699
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1700 ~textscan_format_list (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1701
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
1702 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
1703
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1704 // 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
1705 // 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
1706 // 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
1707 // last conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1708
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
1709 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
1710
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1711 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
1712 {
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
1713 m_curr_idx = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1714 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1715 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1716
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1717 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
1718 {
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
1719 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
1720 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1721
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1722 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
1723 {
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
1724 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
1725
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
1726 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
1727 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1728 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
1729 m_curr_idx = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1730 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1731 return nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1732 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1733
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1734 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1735 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1736
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1737 void printme (void) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1738
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
1739 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
1740
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1741 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
1742
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1743 // 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
1744 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1745
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1746 // 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
1747 bool set_from_first;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1748
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1749 // 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
1750 bool has_string;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1751
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1752 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
1753
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
1754 std::list<octave_value> out_buf (void) const { return (m_output_container); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1755
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1756 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1757
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1758 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
1759 octave_value val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1760 char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1761 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
1762
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
1763 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
1764 std::size_t n);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1765
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1766 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
1767
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
1768 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
1769 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
1770 octave_value& val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1771 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
1772
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
1773 //--------
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
1774
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
1775 // 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
1776 // 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
1777 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
1778
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
1779 // 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
1780 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
1781
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
1782 // List of format elements.
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
1783 std::deque<textscan_format_elt*> m_fmt_elts;
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
1784
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
1785 // 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
1786 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
1787
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
1788 // 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
1789 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
1790
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1791 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1792
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1793 // 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
1794 // according to a format.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1795 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1796 // The calling sequence is
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1797 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1798 // textscan scanner ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1799 // scanner.scan (...);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1800
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1801 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1802 OCTINTERP_API
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1803 textscan
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 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1806
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1807 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
1808 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
1809
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1810 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1811
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1812 textscan (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1813
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1814 textscan& operator = (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1815
22868
87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors
John W. Eaton <jwe@octave.org>
parents: 22865
diff changeset
1816 ~textscan (void) = default;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1817
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1818 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
1819 octave_idx_type ntimes,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1820 const octave_value_list& options,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1821 octave_idx_type& read_count);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1822
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1823 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1824
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1825 friend class textscan_format_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1826
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1827 // 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
1828 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1829
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1830 std::string m_encoding;
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1831
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
1832 std::string m_buf;
22326
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John W. Eaton <jwe@octave.org>
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diff changeset
1833
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1834 // Three cases for delim_table and delim_list
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1835 // 1. delim_table empty, delim_list empty: whitespace delimiters
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1836 // 2. delim_table = look-up table of delim chars, delim_list empty.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1837 // 3. delim_table non-empty, delim_list = Cell array of delim strings
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1838
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1839 std::string whitespace_table;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1840
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1841 // delim_table[i] == '\0' if i is not a delimiter.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1842 std::string delim_table;
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 // String of delimiter characters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1845 std::string delims;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1846
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1847 Cell comment_style;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1848
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1849 // How far ahead 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
1850 int comment_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1851
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1852 // First character of open comment.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1853 int comment_char;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1854
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1855 octave_idx_type buffer_size;
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 std::string date_locale;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1858
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1859 // 'inf' and 'nan' for formatted_double.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1860 Cell inf_nan;
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 // Array of strings of delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
1863 Cell delim_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1864
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
1865 // Longest delimiter.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1866 int delim_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1867
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1868 octave_value empty_value;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1869 std::string exp_chars;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1870 int header_lines;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1871 Cell treat_as_empty;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1872
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1873 // Longest string to treat as "N/A".
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1874 int treat_as_empty_len;
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
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parents: 22323
diff changeset
1876 std::string whitespace;
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1877
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1878 short eol1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1879 short eol2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1880 short return_on_error;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1881
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parents: 22323
diff changeset
1882 bool collect_output;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1883 bool multiple_delims_as_one;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1884 bool default_exp;
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 octave_idx_type lines;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1887
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1888 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
1889 octave_idx_type ntimes);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1890
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1891 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
1892 textscan_format_list& fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1893
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1894 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
1895 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1896 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
1897
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1898 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
1899 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
1900
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1901 // 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
1902 double read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1903 const textscan_format_elt& fmt) 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 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
1906 Complex& val) 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 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
1909 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1910
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1911 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
1912 std::string& val) const;
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 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
1915 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1916
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1917 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
1918 std::string& val) const;
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>
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diff changeset
1920 void scan_qstring (delimited_stream& is, const textscan_format_elt& fmt,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1921 std::string& val);
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1922
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1923 // Helper methods.
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1924 std::string read_until (delimited_stream& is, const Cell& delimiters,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1925 const std::string& ends) const;
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John W. Eaton <jwe@octave.org>
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diff changeset
1926
71dd9d5a5ecd move more new classes inside octave namespace
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diff changeset
1927 int lookahead (delimited_stream& is, const Cell& targets, int max_len,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1928 bool case_sensitive = true) const;
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John W. Eaton <jwe@octave.org>
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diff changeset
1929
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diff changeset
1930 bool match_literal (delimited_stream& isp, const textscan_format_elt& elem);
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1931
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
1932 int skip_whitespace (delimited_stream& is, bool EOLstop = true);
22326
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diff changeset
1933
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diff changeset
1934 int skip_delim (delimited_stream& is);
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diff changeset
1935
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diff changeset
1936 bool is_delim (unsigned char ch) const
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diff changeset
1937 {
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
1938 return ((delim_table.empty ()
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
1939 && (isspace (ch) || ch == eol1 || ch == eol2))
22326
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diff changeset
1940 || delim_table[ch] != '\0');
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diff changeset
1941 }
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diff changeset
1942
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
1943 bool isspace (unsigned int ch) const
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
1944 { return whitespace_table[ch & 0xff]; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1945
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1946 // True if the only delimiter is whitespace.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1947 bool whitespace_delim (void) const { return delim_table.empty (); }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1948 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1949
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1950 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
1951 const std::string& who_arg)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1952 : 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
1953 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
1954 {
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
1955 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
1956
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1957 std::size_t i = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1958
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
1959 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
1960 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1961 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1962 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1963 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1964
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1965 bool have_more = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1966
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1967 if (s.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1968 {
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
1969 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
1970 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
1971
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
1972 m_buf << "%f";
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1973
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1974 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1975 type = 'f';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1976 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
1977 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1978 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1979 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
1980 m_nconv = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1981 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1982 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1983 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1984 set_from_first = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1985
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1986 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1987 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1988 have_more = true;
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 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
1991 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1992 // Process percent-escape conversion type.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1993
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1994 process_conversion (s, i, n);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1995
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1996 // 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
1997 // 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
1998 // 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
1999 // 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
2000 // loop.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2001
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
2002 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
2003 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2004 else if (isspace (s[i]))
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 while (++i < n && isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2007 /* skip whitespace */;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2008
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2009 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2010 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2011 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2012 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2013 type = textscan_format_elt::literal_conversion;
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 width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2016 prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2017 bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2018 discard = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2019
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2020 while (i < n && ! isspace (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2021 && (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
2022 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2023 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
2024 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
2025 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2026 width++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2027 }
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 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
2030 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2031
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2032 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2033 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2034
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
2035 if (m_nconv < 0)
22326
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 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2038 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2039 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2040 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2041 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2042
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2043 if (have_more)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2044 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
2045
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
2046 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
2047 m_buf.str ("");
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2048 }
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 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
2051 {
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
2052 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
2053
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2054 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
2055 {
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
2056 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
2057 delete elt;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2058 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2059 }
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 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2062 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
2063 int bitwidth, octave_value val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2064 bool discard, char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2065 const std::string& char_class)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2066 {
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
2067 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
2068
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2069 if (! text.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2070 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2071 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
2072 = 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
2073 type, char_class);
22326
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 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
2076 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
2077
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
2078 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
2079 }
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
2080
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
2081 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
2082 m_buf.str ("");
22326
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2085 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
2086 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
2087 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
2088 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2089 unsigned width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2090 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2091 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2092 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2093 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2094 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2095
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
2096 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2097
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2098 bool have_width = false;
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 while (i < n)
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 switch (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2103 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2104 case '*':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2105 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
2106 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2107 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2108 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2109 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
2110 m_buf << s[i++];
22326
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 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2113
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2114 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
2115 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
2116 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
2117 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2118 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2119 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2120 char c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2121 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2122 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
2123 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2124 while (i < n && isdigit (s[i]))
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 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2127 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
2128 m_buf << c;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2131 if (i < n && s[i] == '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2132 {
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
2133 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2134 prec = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2135 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2136 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2137 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2138 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
2139 m_buf << c;
22326
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 }
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 break;
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 '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
2146 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2147 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
2148 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2149 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
2150 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2151 if (s[i] == '8')
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 bitwidth = 8;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2154 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2155 val_type = octave_value (int8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2156 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2157 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
2158 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2159 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2160 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
2161 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2162 bitwidth = 16;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2163 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2164 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
2165 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2166 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
2167 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
2168 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2169 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2170 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
2171 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2172 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
2173 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
2174 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
2175 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2176 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
2177 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2178 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2179 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2180 val_type = octave_value (int64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2181 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2182 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
2183 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
2184 m_buf << s[i++];
22326
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2187 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
2188 }
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
2189 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2190 done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2191
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2192 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
2193 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2194 bitwidth = 32;
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 (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
2197 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2198 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
2199 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2200 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2201 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2202
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2203 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
2204 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2205 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2206 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2207 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2208 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
2209 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2210 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2211 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
2212 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
2213 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2214 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2215 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
2216 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2217 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
2218 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
2219 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2220 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2221 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2222 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2223 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2224 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2225 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2226 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2227
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2228 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
2229 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2230 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2231 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2232 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2233
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2234 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
2235 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2236 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
2237 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2238 has_string = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2239 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2240
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2241 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 if (! have_width)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2244 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2245 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
2246 width = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2247 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2248 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
2249 }
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 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
2252 discard, type) == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2253 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
2254 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2255 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2256
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2257 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2258 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
2259 who.c_str (), s[i]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2260 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2261
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
2262 if (m_nconv < 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2263 break;
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
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
2266 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2267 }
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 // Parse [...] and [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2270 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2271 // 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
2272 // 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
2273 // 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
2274 // 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
2275 // pattern.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2276 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2277 // 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
2278 // 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
2279 // The latter is efficient for [^...] patterns.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2280
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2281 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2282 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
2283 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2284 int len = pattern.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2285 if (len == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2286 return "";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2287
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2288 std::string retval (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2289 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
2290
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2291 int in = 0, out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2292 unsigned char ch, prev = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2293 bool flip = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2294
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2295 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2296 if (ch == '^')
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 in++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2299 flip = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2300 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2301 mask[pattern[in]] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2302 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
2303
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2304 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
2305 bool prev_prev_was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2306 for (; in < len; in++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2307 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2308 bool was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2309 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2310 if (ch == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2311 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2312
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2313 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
2314 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2315 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
2316 if (start_of_range < ch
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2317 && ((isupper (ch) && isupper (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2318 || (islower (ch) && islower (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2319 || (isdigit (ch) && isdigit (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2320 || 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
2321 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2322 was_range = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2323 out--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2324 mask['-']--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2325 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
2326 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2327 if (mask[i] == '\0')
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 mask[i] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2330 retval[out++] = i;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2333 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2334 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2335 if (! was_range)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2336 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2337 if (mask[ch]++ == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2338 retval[out++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2339 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
2340 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
2341 "%s: [...] contains two '%c's",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2342 who.c_str (), ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2343
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2344 if (prev == '-' && mask['-'] >= 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2345 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
2346 ("Octave:textscan-pattern",
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2347 "%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
2348 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2349 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2350 prev = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2351 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
2352 prev_was_range = was_range;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2355 if (flip) // [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2356 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2357 out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2358 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
2359 if (! mask[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2360 retval[out++] = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2361 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2362
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2363 retval.resize (out);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2364
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2365 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2366 }
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 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
2369 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
2370 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
2371 int prec, int bitwidth,
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2372 octave_value& val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2373 char& type)
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 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2376
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2377 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2378
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
2379 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
2380 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
2381
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2382 if (type != '%')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2383 {
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
2384 m_nconv++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2385 if (type == '[')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2386 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2387 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2388 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2389 beg_idx = i;
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 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
2392 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2393 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
2394 m_buf << s[i++];
22326
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 (i < n)
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 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2399
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2400 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
2401 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2402 }
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
2403 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2404 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
2405 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2406 }
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 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
2409 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2410
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2411 if (i < n && s[i] == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2412 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2413 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
2414 m_buf << s[i++];
22326
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2417 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
2418 retval = m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2419 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2420 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2421
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
2422 if (m_nconv >= 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2423 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2424 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
2425 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
2426 end_idx - beg_idx + 1));
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 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
2429 char_class);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2430 }
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 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2433 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2434
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2435 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2436 textscan_format_list::printme (void) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2437 {
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
2438 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
2439
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2440 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
2441 {
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 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
2443
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2444 std::cerr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2445 << "width: " << elt->width << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2446 << "digits " << elt->prec << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2447 << "bitwidth: " << elt->bitwidth << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2448 << "discard: " << elt->discard << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2449 << "type: ";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2450
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2451 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
2452 std::cerr << "literal text\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2453 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
2454 std::cerr << "whitespace\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2455 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2456 std::cerr << elt->type << "\n";
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 std::cerr
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
2459 << "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
2460 << "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
2461 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2462 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2463
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2464 // 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
2465 // 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
2466
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2467 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2468 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
2469 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2470 // 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
2471 std::string first_line (20, ' ');
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 is.getline (first_line, static_cast<char> (ts.eol2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2474
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
2475 if (! first_line.empty () && first_line.back () == ts.eol1)
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
2476 first_line.pop_back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2477
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2478 std::istringstream strstr (first_line);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2479 delimited_stream ds (strstr, is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2480
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2481 dim_vector dv (1,1); // initial size of each output_container
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2482 Complex val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2483 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
2484 m_nconv = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2485 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
2486 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2487
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2488 // 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
2489 while (! ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2490 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2491 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
2492 ts.skip_whitespace (ds, false);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2493 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
2494 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
2495 if (ds.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2496 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2497 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
2498
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2499 if (ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2500 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2501
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2502 // 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
2503 // return with an error status.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2504 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2505 if (ds.no_progress ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2506 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2507 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
2508 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2509 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2510 already_skipped_delim = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2511
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2512 val = ts.empty_value.scalar_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2513
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2514 if (! --max_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2515 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2516 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2517
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2518 if (val.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2519 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
2520 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2521 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
2522
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
2523 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
2524
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2525 if (! already_skipped_delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2526 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2527
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2528 if (ds.no_progress ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2529 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2530
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
2531 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
2532 }
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
2533
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
2534 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
2535
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2536 // 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
2537 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
2538 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
2539
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2540 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
2541 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2542
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2543 textscan::textscan (const std::string& who_arg, const std::string& encoding)
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
2544 : who (who_arg), m_encoding (encoding), m_buf (), whitespace_table (),
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2545 delim_table (), delims (), comment_style (), comment_len (0),
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2546 comment_char (-2), buffer_size (0), date_locale (),
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2547 inf_nan (init_inf_nan ()), empty_value (numeric_limits<double>::NaN ()),
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2548 exp_chars ("edED"), header_lines (0), treat_as_empty (),
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2549 treat_as_empty_len (0), whitespace (" \b\t"), eol1 ('\r'), eol2 ('\n'),
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2550 return_on_error (1), collect_output (false),
23398
d4ef04757ead eliminate some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 23220
diff changeset
2551 multiple_delims_as_one (false), default_exp (true), lines (0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2552 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2553
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2554 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2555 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
2556 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
2557 octave_idx_type& count)
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 textscan_format_list fmt_list (fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2560
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2561 parse_options (options, fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2562
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2563 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
2564
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2565 // 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
2566 // 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
2567 // 32-bit indexing.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2568
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2569 std::ios::iostate state = isp.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2570 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2571 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
2572 isp.setstate (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2573
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2574 return result;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2575 }
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 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2578 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
2579 octave_idx_type ntimes)
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 octave_value retval;
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 if (fmt_list.num_conversions () == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2584 error ("%s: invalid format specified", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2585
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2586 if (fmt_list.num_conversions () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2587 error ("%s: no valid format conversion specifiers", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2588
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2589 // skip the first header_lines
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2590 std::string dummy;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2591 for (int i = 0; i < header_lines && isp; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2592 getline (isp, dummy, static_cast<char> (eol2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2593
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2594 // 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
2595
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2596 // First, see how far ahead it should let us look.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2597 int max_lookahead = std::max (std::max (comment_len, treat_as_empty_len),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2598 std::max (delim_len, 3)); // 3 for NaN and Inf
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2599
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2600 // 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
2601 octave_idx_type buf_size = 4096;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2602 if (buffer_size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2603 buf_size = buffer_size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2604 else if (ntimes > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2605 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2606 // Avoid overflow of 80*ntimes...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2607 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
2608 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
2609 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2610 // Finally, create the stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2611 delimited_stream is (isp,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2612 (delim_table.empty () ? whitespace + "\r\n" : delims),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2613 max_lookahead, buf_size);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2614
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2615 // 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
2616 // (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
2617 octave_idx_type size = ((ntimes < 8 && ntimes >= 0) ? ntimes : 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2618 Array<octave_idx_type> row_idx (dim_vector (1,2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2619 row_idx(1) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2620
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2621 int err = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2622 octave_idx_type row = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2623
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2624 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
2625 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2626
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2627 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
2628
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2629 // 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
2630 if (fmt_list.set_from_first)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2631 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2632 err = fmt_list.read_first_row (is, *this);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2633 lines = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2634
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2635 done_after = fmt_list.numel () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2636 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2637 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
2638 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2639 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2640 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
2641
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2642 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
2643
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2644 // 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
2645 // Check now which columns to merge.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2646 // 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
2647 // after reading in data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2648 // 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
2649 // 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
2650 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
2651 int conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2652 if (collect_output)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2653 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2654 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
2655 for (const auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2656 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2657 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
2658 || (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
2659 merge_with_prev[conv++] = true;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2660 else
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2661 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
2662
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2663 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2664 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2665 }
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 // 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
2668 // infinite loop below.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2669 if (fmt_list.num_conversions () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2670 error ("%s: No conversions specified", who.c_str ());
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 // 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
2673 if (! err)
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 for (/* row set ~30 lines above */; row < ntimes || ntimes == -1; row++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2676 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2677 if (row == 0 || row >= size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2678 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2679 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
2680 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
2681 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
2682 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2683
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2684 row_idx(0) = row;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2685 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
2686
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2687 if ((err & ~1) > 0 || ! is || (lines >= ntimes && ntimes > -1))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2688 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2689 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2690 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2691
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2692 if ((err & 4) && ! 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
2693 error ("%s: Read error in field %d of row %" OCTAVE_IDX_TYPE_FORMAT,
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25952
diff changeset
2694 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
2695
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2696 // 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
2697 bool uneven_columns = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2698 if (err & 4)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2699 uneven_columns = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2700 else if (isp.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2701 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2702 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2703 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
2704 int last_char = isp.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2705 isp.setstate (isp.eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2706 uneven_columns = (last_char != eol1 && last_char != eol2);
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 // convert return value to Cell array
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2710 Array<octave_idx_type> ra_idx (dim_vector (1,2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2711
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2712 // (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
2713 // 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
2714 if (err & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2715 done_after = out.size () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2716
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2717 int valid_rows = (row == ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2718 ? ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2719 : ((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
2720 dim_vector dv (valid_rows, 1);
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 ra_idx(0) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2723 int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2724 if (! collect_output)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2725 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2726 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
2727 for (auto& col : out)
22326
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 // 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
2730 if (i == done_after && uneven_columns)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2731 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
2732
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2733 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
2734 retval = cat_op (retval, octave_value (Cell (col.resize (dv,0))),
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
2735 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
2736 i++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2737 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2738 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2739 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
2740 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2741 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
2742 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
2743 int prev_type = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2744
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2745 conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2746 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
2747 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2748 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2749 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
2750 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2751 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
2752 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2753 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
2754 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
2755 }
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2756 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
2757 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
2758 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2759 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2760 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2761 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2762 ra_idx(1) = group_size++;
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
2763 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
2764 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2765 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2766 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
2767 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
2768 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2769
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2770 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2771 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2772
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2773 // 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
2774 // EXP_CHARS option of OPTIONS.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2775
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2776 double
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2777 textscan::read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2778 const textscan_format_elt& fmt) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2779 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2780 int sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2781 unsigned int width_left = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2782 double retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2783 bool valid = false; // syntactically correct double?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2784
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2785 int ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2786
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2787 if (ch == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2788 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2789 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2790 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2791 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2792 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2793 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2794 else if (ch == '-')
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 sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2797 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2798 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2799 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2800 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2801 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2802
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2803 // Read integer part
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2804 if (ch != '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2805 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2806 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
2807 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2808 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
2809 retval = retval * 10 + (ch - '0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2810 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2811 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2812
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2813 // 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
2814 if (ch == '.' && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2815 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2816 double multiplier = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2817 int precision = fmt.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2818 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2819
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2820 width_left--; // Consider width of '.'
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2821
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2822 if (precision == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2823 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
2824
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2825 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
2826 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
2827
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2828 for (i = 0; i < precision; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2829 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2830 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
2831 retval += (ch - '0') * (multiplier *= 0.1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2832 else
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 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
2835 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2836 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2837 }
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 // 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
2840 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
2841 && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2842 retval += multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2843
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2844 if (i > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2845 valid = true; // valid if at least one digit after '.'
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 // 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
2848 if (i == precision)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2849 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
2850 ; // discard
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2851
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2852 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2853 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2854
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2855 // 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
2856 bool used_exp = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2857 if (valid && width_left > 1 && exp_chars.find (ch) != std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2858 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2859 int ch1 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2860 if (ch1 == '-' || ch1 == '+' || (ch1 >= '0' && ch1 <= '9'))
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2861 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2862 // 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
2863 width_left--; // count "E"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2864 int exp = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2865 int exp_sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2866 if (ch1 == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2867 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2868 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2869 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2870 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2871 else if (ch1 == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2872 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2873 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2874 exp_sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2875 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2876 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2877 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2878 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
2879 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2880 exp = exp*10 + ch - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2881 valid = true;
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 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2884 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
2885 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2886
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2887 double multiplier = pown (10, exp);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2888 if (exp_sign > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2889 retval *= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2890 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2891 retval /= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2892
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2893 used_exp = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2894 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2895 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2896 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2897 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
2898 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2899
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2900 // Check for +/- inf and NaN
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2901 if (! valid && width_left >= 3)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2902 {
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
2903 int i = lookahead (is, 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
2904 if (i == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2905 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2906 retval = numeric_limits<double>::Inf ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2907 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2908 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2909 else if (i == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2910 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2911 retval = numeric_limits<double>::NaN ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2912 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2913 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2914 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2915
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2916 if (! valid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2917 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2918 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2919 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
2920
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2921 return retval * sign;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2922 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2923
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2924 // 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
2925 // 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
2926 // 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
2927
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2928 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2929 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
2930 Complex& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2931 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2932 double im = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2933 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
2934 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
2935 bool inf = false;
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 int ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2938 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
2939 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2940 ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2941 int ch2 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2942 if (ch2 == 'i' || ch2 == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2943 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2944 double value = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2945 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2946 // Check not -inf
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2947 if (is.peek () == 'n')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2948 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2949 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2950 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2951
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2952 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2953 ch2 = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2954 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
2955 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2956 inf = true;
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2957 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
2958 : -numeric_limits<double>::Inf ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2959 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
2960 }
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
2961 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
2962 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2963 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2964 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
2965 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2966 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2967
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2968 im = (ch == '+') ? value : -value;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2969 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2970 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2971 is.putback (ch);
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 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
2975 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2976 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2977 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
2978 //re = read_value<double> (is);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2979 re = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2980
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2981 // check for "treat as empty" string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2982 if (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
2983 && (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
2984 || re == numeric_limits<double>::Inf ()))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2985 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2986
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2987 for (int i = 0; i < treat_as_empty.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2988 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2989 if (ch == treat_as_empty (i).string_value ()[0])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2990 {
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
2991 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
2992 break;
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 }
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
2995 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
2996 {
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
2997 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
2998
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
2999 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
3000 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
3001
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3002 // 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
3003 // 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
3004 // that matches.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3005 std::string look_buf (treat_as_empty_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3006 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
3007
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3008 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3009 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
3010 // 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
3011
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3012 for (int i = 0; i < treat_as_empty.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3013 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3014 std::string s = treat_as_empty (i).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3015 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
3016 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3017 as_empty = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3018 // read just the right amount
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3019 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
3020 break;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3023 }
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 (! is.eof () && ! as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3027 {
26566
f8d380d04b01 Fix dead assignments found by clang static analysis (bug #55440).
Rik <rik@octave.org>
parents: 26500
diff changeset
3028 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
3029
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3030 ch = is.peek (); // ch == EOF if read failed; no need to chk fail
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3031 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
3032 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3033 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3034 im = re;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3035 re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3036 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3037 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
3038 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3039 // 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
3040 pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3041 state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3042
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
3043 //im = read_value<double> (is);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3044 im = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3045 if (is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3046 im = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3047
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3048 if (is.peek () == 'i' || is.peek () == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3049 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3050 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3051 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3052 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
3053 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
3054 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
3055 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3056 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3057 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
3058 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
3059 }
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 if (as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3062 val = empty_value.scalar_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3063 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3064 val = Complex (re, im);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3065 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3066
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3067 // 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
3068
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3069 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3070 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
3071 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3072 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3073 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
3074 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
3075
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3076 while (is && ((c1 = (is && ! is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3077 ? is.get_undelim ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3078 : std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3079 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3080 && pattern.find (c1) == std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3081 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3082
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3083 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3084
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3085 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
3086 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3087
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3088 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3089 }
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 // 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
3092 // 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
3093
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3094 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3095 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
3096 const std::string& ends) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3097 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3098 std::string retval ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3099 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3100 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3101 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3102 // 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
3103 std::string next;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3104 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
3105 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
3106
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3107 int last = (! is.eof ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3108 ? 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
3109
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3110 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
3111 {
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
3112 if (last == eol1 || last == eol2)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
3113 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
3114
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3115 retval = retval + static_cast<char> (last);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3116 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
3117 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3118 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
3119 std::size_t start = (retval.length () > delim.length ()
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3120 ? retval.length () - delim.length ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3121 : 0);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3122 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
3123 if (may_match == delim)
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 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3126 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
3127 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
3128 is.putback (last);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3129 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3130 }
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3133 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3134 while (! done && is && ! is.eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3135
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3136 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3137 }
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 // 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
3140 // 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
3141 // 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
3142
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3143 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3144 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
3145 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3146 {
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23576
diff changeset
3147 if (delim_list.isempty ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3148 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3149 unsigned int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3150 unsigned int width = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3151
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3152 for (i = 0; i < width; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3153 {
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3154 // 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
3155 if (i >= val.length ())
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3156 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
3157 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
3158
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3159 int ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3160 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
3161 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3162 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
3163 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3164 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3165 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3166 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3167 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3168 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
3169 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3170 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
3171 {
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
3172 std::string ends (delim_list.numel () + 2, '\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
3173 int i;
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
3174 for (i = 0; i < delim_list.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3175 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3176 std::string tmp = delim_list(i).string_value ();
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3177 ends[i] = tmp.back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3178 }
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
3179 ends[i++] = eol1;
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
3180 ends[i++] = eol2;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3181 val = textscan::read_until (is, delim_list, ends);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3182 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3183
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3184 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3185 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
3186 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
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 // 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
3190
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3191 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3192 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
3193 std::string& val) const
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 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
3196 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
3197
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3198 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
3199 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3200
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3201 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3202 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
3203 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3204 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3205 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3206
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3207 // 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
3208 // 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
3209 // 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
3210
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3211 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3212 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
3213 std::string& val)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3214 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3215 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3216
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3217 if (is.peek () != '"')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3218 scan_string (is, fmt, val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3219 else
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 is.get ();
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3222 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
3223 is.get (); // swallow "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3224
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3225 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
3226 { // insert one in stream,
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3227 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
3228 std::string val1;
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3229 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
3230 val = val + '"' + val1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3231 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3232 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3233 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3234
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3235 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3236 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
3237 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
3238 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3239
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3240 // 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
3241 // including any whitespace or delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3242
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3243 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3244 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
3245 std::string& val) const
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 val.resize (fmt.width);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3248
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3249 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
3250 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3251 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3252 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
3253 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3254 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3255 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3256 val.resize (i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3257 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3258 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3259 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3260
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3261 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3262 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
3263 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
3264 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3265
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3266 // 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
3267
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3268 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3269 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
3270 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
3271 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3272 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3273
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3274 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3275
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3276 octave_value val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3277 if (fmt.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3278 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3279 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
3280 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3281 Complex v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3282 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3283 scan_complex (is, fmt, v);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3284
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3285 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3286 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3287 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
3288 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3289 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
3290 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
3291 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3292 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3293 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
3294 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
3295 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3296 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
3297 }
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
3298 }
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
3299 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
3300 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3301 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
3302 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
3303 float (v.real ()));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3304 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3305 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3306 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
3307 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
3308 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3309 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
3310 FloatComplex (v));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3311 }
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
3312 }
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
3313 }
22326
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3316 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3317 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
3318 // 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
3319 // 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
3320 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3321 v = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3322 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3323 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
3324 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3325 case 64:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3326 switch (fmt.type)
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 case 'd':
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 octave_int64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3331 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
3332 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3333 break;
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 case 'u':
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 octave_uint64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3338 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
3339 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3340 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3341 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3342 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3343
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3344 case 32:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3345 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3346 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3347 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3348 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3349 octave_int32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3350 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
3351 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3352 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3353
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3354 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3355 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3356 octave_uint32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3357 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
3358 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3359 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3360 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3361 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3362
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3363 case 16:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3364 if (fmt.type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3365 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3366 octave_int16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3367 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
3368 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3369 else
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 octave_uint16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3372 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
3373 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3374 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3375
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3376 case 8:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3377 if (fmt.type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3378 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3379 octave_int8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3380 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
3381 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3382 else
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 octave_uint8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3385 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
3386 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3387 break;
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 }
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 if (is.fail () & ! fmt.discard)
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
3392 ov = cat_op (ov, empty_value, row);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3393 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3394 else
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 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
3397 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3398 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3399 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3400 scan_string (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3401 break;
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 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3404 scan_qstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3405 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3406
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3407 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3408 scan_cstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3409 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3410
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3411 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3412 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
3413 break;
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 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3416 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
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3420 if (! fmt.discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3421 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
3422 Cell (octave_value (vv)));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3423
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3424 // 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
3425 if (! vv.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3426 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
3427 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3428
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3429 is.field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3430 }
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 // 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
3433 // values in row ROW of retval.
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 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3436 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
3437 textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3438 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3439 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
3440 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3441 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
3442 auto out = retval.begin ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3443 bool no_conversions = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3444 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3445 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
3446 bool nothing_worked = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3447
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3448 octave_quit ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3449
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
3450 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
3451 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3452 bool this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3453
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3454 // Clear fail of previous numeric conversions.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3455 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3456
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3457 switch (elem->type)
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 'C':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3460 case 'D':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3461 warning ("%s: conversion %c not yet implemented",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3462 who.c_str (), elem->type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3463 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3464
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3465 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3466 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3467 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3468 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3469 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3470 case '[':
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 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3473 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3474 scan_one (is, *elem, *out, row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3475 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3476
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3477 case textscan_format_elt::literal_conversion :
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3478 match_literal (is, *elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3479 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3480
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3481 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3482 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
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 if (! is.fail ())
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 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3488 no_conversions = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3489 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3490 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3491 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3492 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
3493
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
3494 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
3495 {
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
3496 if (delim_list.isempty ())
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
3497 {
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
3498 if (! is_delim (is.peek ()))
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
3499 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
3500 }
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
3501 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
3502 {
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
3503 char *pos = is.tellg ();
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
3504 if (-1 == lookahead (is, delim_list, delim_len))
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
3505 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
3506 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
3507 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
3508 }
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
3509 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3510 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3511
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3512 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3513 out++;
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 elem = fmt_list.next ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3516 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3517
28182
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3518 // 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
3519 // 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
3520 // 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
3521 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
3522 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
3523 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
3524 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3525
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3526 if (is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3527 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3528 if (! done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3529 done_after = i+1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3530
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3531 // 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
3532 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3533 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3534
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3535 if (this_conversion_failed)
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 if (is.tellg () == pos && ! conversion_failed)
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3538 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3539 // done_after = first failure
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3540 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
3541 conversion_failed = true;
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3544 this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3545 }
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22407
diff changeset
3546 else if (! done && ! conversion_failed)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3547 nothing_worked = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3548 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3549
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3550 if (done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3551 is.setstate (std::ios::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3552
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3553 return no_conversions
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3554 + (is.eof () ? 2 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3555 + (conversion_failed ? 4 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3556 + (nothing_worked ? 8 : 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3557
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3558 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3559
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3560 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3561 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
3562 textscan_format_list& fmt_list)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3563 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3564 int last = args.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3565 int n = last;
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 if (n & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3568 error ("%s: %d parameters given, but only %d values",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3569 who.c_str (), n-n/2, n/2);
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 delim_len = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3572 bool have_delims = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3573 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
3574 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3575 std::string param = args(i).xstring_value ("%s: Invalid parameter type <%s> for parameter %d",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3576 who.c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3577 args(i).type_name ().c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3578 i/2 + 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3579 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
3580
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3581 if (param == "delimiter")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3582 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3583 bool invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3584 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3585 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3586 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3587 have_delims = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3588 delims = args(i+1).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3589 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
3590 delims = do_string_escapes (delims);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3591 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3592 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
3593 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3594 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3595 delim_list = args(i+1).cell_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3596 delim_table = " "; // non-empty, to flag non-default delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3597
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3598 // Check that all elements are strings, and find max length
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3599 for (int j = 0; j < delim_list.numel (); j++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3600 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3601 if (! delim_list(j).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3602 invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3603 else
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 if (delim_list(j).is_sq_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3606 delim_list(j) = do_string_escapes (delim_list(j)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3607 .string_value ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3608 octave_idx_type len = delim_list(j).string_value ()
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3609 .length ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3610 delim_len = std::max (static_cast<int> (len), delim_len);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3611 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3612 }
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 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3615 error ("%s: Delimiters must be either a string or cell array of strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3616 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3617 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3618 else if (param == "commentstyle")
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 if (args(i+1).is_string ())
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3621 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3622 // check here for names like "C++", "C", "shell", ...?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3623 comment_style = Cell (args(i+1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3624 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3625 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
3626 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3627 comment_style = args(i+1).cell_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3628 int len = comment_style.numel ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3629 if ((len >= 1 && ! comment_style (0).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3630 || (len >= 2 && ! comment_style (1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3631 || (len >= 3))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3632 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3633 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3634 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3635 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3636 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3637 who.c_str ());
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 // 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
3640 // and which character do we look for?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3641 if (comment_style.numel () >= 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3642 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3643 comment_len = comment_style (0).string_value ().size ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3644 comment_char = comment_style (0).string_value ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3645 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3646 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3647 else if (param == "treatasempty")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3648 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3649 bool invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3650 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3651 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3652 treat_as_empty = Cell (args(i+1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3653 treat_as_empty_len = args(i+1).string_value ().size ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3654 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3655 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
3656 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3657 treat_as_empty = args(i+1).cell_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3658 for (int j = 0; j < treat_as_empty.numel (); j++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3659 if (! 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
3660 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
3661 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
3662 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3663 int k = treat_as_empty (j).string_value ().size ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3664 if (k > treat_as_empty_len)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3665 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
3666 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3667 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3668 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3669 error ("%s: TreatAsEmpty must be either a string or cell array of one or two strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3670 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3671
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3672 // 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
3673 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3674 else if (param == "collectoutput")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3675 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3676 collect_output = args(i+1).xbool_value ("%s: CollectOutput must be logical or numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3677 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3678 else if (param == "emptyvalue")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3679 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3680 empty_value = args(i+1).xscalar_value ("%s: EmptyValue must be numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3681 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3682 else if (param == "headerlines")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3683 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3684 header_lines = args(i+1).xscalar_value ("%s: HeaderLines must be numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3685 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3686 else if (param == "bufsize")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3687 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3688 buffer_size = args(i+1).xscalar_value ("%s: BufSize must be numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3689 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3690 else if (param == "multipledelimsasone")
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 multiple_delims_as_one = args(i+1).xbool_value ("%s: MultipleDelimsAsOne must be logical or numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3693 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3694 else if (param == "returnonerror")
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 return_on_error = args(i+1).xbool_value ("%s: ReturnOnError must be logical or numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3697 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3698 else if (param == "whitespace")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3699 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3700 whitespace = args(i+1).xstring_value ("%s: Whitespace must be a character string", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3701 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3702 else if (param == "expchars")
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 exp_chars = args(i+1).xstring_value ("%s: ExpChars must be a character string", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3705 default_exp = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3706 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3707 else if (param == "endofline")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3708 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3709 bool valid = true;
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23803
diff changeset
3710 std::string s = args(i+1).xstring_value (R"(%s: EndOfLine must be at most one character or '\r\n')", who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3711 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
3712 s = do_string_escapes (s);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3713 int l = s.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3714 if (l == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3715 eol1 = eol2 = -2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3716 else if (l == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3717 eol1 = eol2 = s.c_str ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3718 else if (l == 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3719 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3720 eol1 = s.c_str ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3721 eol2 = s.c_str ()[1];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3722 if (eol1 != '\r' || eol2 != '\n') // Why limit it?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3723 valid = false;
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3726 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3727
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3728 if (! valid)
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23803
diff changeset
3729 error (R"(%s: EndOfLine must be at most one character or '\r\n')",
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3730 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3731 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3732 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3733 error ("%s: unrecognized option '%s'", 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
3734 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3735
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3736 // Remove any user-supplied delimiter from whitespace list
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3737 for (unsigned int j = 0; j < delims.length (); j++)
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3738 {
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3739 whitespace.erase (std::remove (whitespace.begin (),
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3740 whitespace.end (),
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3741 delims[j]),
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3742 whitespace.end ());
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3743 }
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3744 for (int j = 0; j < delim_list.numel (); j++)
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3745 {
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3746 std::string delim = delim_list(j).string_value ();
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3747 if (delim.length () == 1)
24634
ab2321d4ba03 maint: strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
3748 whitespace.erase (std::remove (whitespace.begin (),
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3749 whitespace.end (),
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3750 delim[0]),
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3751 whitespace.end ());
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3752 }
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3753
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3754 whitespace_table = std::string (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3755 for (unsigned int i = 0; i < whitespace.length (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3756 whitespace_table[whitespace[i]] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3757
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3758 // 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
3759 // whitespace is explicitly ignored.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3760 if (! (whitespace.empty () && fmt_list.has_string))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3761 whitespace_table[' '] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3762
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3763 // Create look-up table of delimiters, based on 'delimiter'
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3764 delim_table = std::string (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3765 if (eol1 >= 0 && eol1 < 256)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3766 delim_table[eol1] = '1'; // EOL is always a delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3767 if (eol2 >= 0 && eol2 < 256)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3768 delim_table[eol2] = '1'; // EOL is always a delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3769 if (! have_delims)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3770 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
3771 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3772 if (isspace (i))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3773 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
3774 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3775 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3776 for (unsigned int i = 0; i < delims.length (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3777 delim_table[delims[i]] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3778 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3779
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3780 // 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
3781 // 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
3782
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3783 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3784 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
3785 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3786 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
3787 bool found_comment = false;
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 do
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3790 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3791 found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3792 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
3793 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
3794 && (c1 = is.get_undelim ()) != std::istream::traits_type::eof ()
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3795 && ( ( (c1 == eol1 || c1 == eol2) && ++lines && ! EOLstop)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3796 || isspace (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3797 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3798 if (prev == eol1 && eol1 != eol2 && c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3799 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3800 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3801 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3802
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3803 if (c1 == comment_char) // see if we match an open comment
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3804 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3805 // 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
3806 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3807 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3808
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3809 std::string tmp (comment_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3810 char *look = is.read (&tmp[0], comment_len-1, pos); // already read first char
25951
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25424
diff changeset
3811 if (is && comment_style.numel () > 0
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25424
diff changeset
3812 && ! strncmp (comment_style(0).string_value ().substr (1).c_str (),
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25424
diff changeset
3813 look, comment_len-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 found_comment = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3816
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3817 std::string dummy;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3818 if (comment_style.numel () == 1) // skip to end of line
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 std::string eol (3, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3821 eol[0] = eol1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3822 eol[1] = eol2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3823
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3824 scan_caret (is, eol, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3825 c1 = is.get_undelim ();
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
3826 if (c1 == eol1 && eol1 != eol2
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
3827 && is.peek_undelim () == eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3828 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3829 lines++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3830 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3831 else // matching pair
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3832 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3833 std::string end_c = comment_style(1).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3834 // last char of end-comment sequence
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3835 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
3836 std::string may_match ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3837 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3838 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3839 // 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
3840 scan_caret (is, last, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3841 is.get_undelim (); // (read LAST itself)
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 may_match = may_match + dummy + last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3844 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
3845 {
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
3846 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
3847 - end_c.length ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3848 may_match = may_match.substr (start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3849 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3850 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3851 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
3852 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3853 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3854 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
3855 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3856 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3857 is.seekg (pos);
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3860 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3861 while (found_comment);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3862
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3863 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
3864 is.putback (c1);
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3865
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3866 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3867 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3868
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3869 // 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
3870 // 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
3871 // 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
3872
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3873 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3874 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
3875 bool case_sensitive) const
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 // target strings may be different sizes.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3878 // 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
3879 // that matches.
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 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3882
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3883 std::string tmp (max_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3884 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
3885
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3886 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
3887 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
3888 // 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
3889
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3890 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
3891 int (*compare)(const char *, const char *, std::size_t);
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
3892 compare = (case_sensitive ? strncmp : strncasecmp);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3893
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3894 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
3895 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3896 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
3897 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
3898 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3899 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
3900 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3901 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3902 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3903
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3904 if (i == targets.numel ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3905 i = -1;
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 return i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3908 }
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 // Skip delimiters -- multiple if MultipleDelimsAsOne specified.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3911 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3912 textscan::skip_delim (delimited_stream& is)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3913 {
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3914 int c1 = skip_whitespace (is); // Stop once EOL is read
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3915 if (delim_list.numel () == 0) // single character delimiter
22326
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 if (is_delim (c1) || c1 == eol1 || c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3918 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3919 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3920 if (c1 == eol1 && is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3921 is.get_undelim (); // if \r\n, skip the \n too.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3922
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3923 if (multiple_delims_as_one)
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 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3926 // 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
3927 // 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
3928 // Decrement for \r\n
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3929 while (is && ((c1 = is.get_undelim ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3930 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3931 && (((c1 == eol1 || c1 == eol2) && ++lines)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3932 || isspace (c1) || is_delim (c1)))
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 if (prev == eol1 && eol1 != eol2 && c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3935 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3936 prev = c1;
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 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
3939 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3940 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3941 }
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 else // multi-character delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3944 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3945 int first_match;
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 if (c1 == eol1 || c1 == eol2
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3948 || (-1 != (first_match = lookahead (is, delim_list, delim_len))))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3949 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3950 if (c1 == eol1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3951 {
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
3952 is.get_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3953 if (is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3954 is.get_undelim ();
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 else if (c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3957 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3958 is.get_undelim ();
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 (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3962 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3963 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3964 // 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
3965 // 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
3966 // 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
3967 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
3968 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3969 && (((c1 == eol1 || c1 == eol2) && ++lines)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3970 || -1 != lookahead (is, delim_list, delim_len)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3971 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3972 if (prev == eol1 && eol1 != eol2 && c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3973 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3974 prev = c1;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3977 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3978 }
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 return c1;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3983 // 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
3984 // 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
3985 // false (and set failbit).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3986
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3987 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
3988 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
3989 const textscan_format_elt& fmt)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3990 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3991 // "false" -> treat EOL as normal space
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3992 // 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
3993 skip_whitespace (is, false);
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 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
3996 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3997 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3998 if (ch != fmt.text[i])
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 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
4001 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4002 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4003 return false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4004 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4005 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4006 return true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4007 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4008
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4009 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4010 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
4011 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4012 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4013 m_errmsg = msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4014 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4015
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4016 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4017 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
4018 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4019 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4020 m_errmsg = who + ": " + msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4021 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4022
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4023 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4024 base_stream::clear (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4025 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4026 m_fail = false;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4027 m_errmsg = "";
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4028 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4029
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4030 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4031 base_stream::clearerr (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4032 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4033 std::istream *is = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4034 std::ostream *os = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4035
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4036 if (is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4037 is->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4038
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4039 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4040 os->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4041 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4042
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4043 // 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
4044 // are those that define is).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4045
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4046 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4047 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
4048 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
4049 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4050 interpreter& interp = __get_interpreter__ ("base_stream::do_gets");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4051
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4052 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
4053 ::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
4054 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4055
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4056 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4057
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4058 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4060 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4061
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4062 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4063 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4064 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4065 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4066 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4067 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4068 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4069 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4070
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4071 std::ostringstream buf;
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 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4074 int char_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4075
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4076 if (max_len != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4077 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4078 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
4079 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4080 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4081
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4082 // 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
4083 if (c == '\r')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4084 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4085 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4086 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4087
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4088 c = is.get ();
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 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
4091 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4092 if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4093 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4094 char_count++;
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 (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4097 buf << static_cast<char> (c);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4100 is.putback (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4101 }
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4104 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4105 else if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4106 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4107 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4108 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4109
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4110 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4111 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4112 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4113 buf << static_cast<char> (c);
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 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
4116 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4117 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4120 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
4121 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4122 // 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
4123 // 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
4124 // corresponding C-library functions do.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4125 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
4126 if (! is.eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4127 is.putback (disgusting_compatibility_hack);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4128 }
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 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
4131 {
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4132 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
4133 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
4134 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
4135 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4136 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4137 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4138 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4139
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4140 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
4141 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
4142 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4143 error (who, "read error");
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 }
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4150 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4151 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
4152 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4153 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4154 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
4155 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4156
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4157 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4158 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
4159 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4160 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4161 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
4162 }
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4165 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
4166 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4167 interpreter& interp = __get_interpreter__ ("base_stream::skipl");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4168
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4169 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
4170 ::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
4171 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4172
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4173 off_t cnt = -1;
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 err = false;
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 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4180 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4181 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4182 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4183 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4184 else
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 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4187
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4188 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4189 int lastc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4190 cnt = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4191
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4192 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
4193 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4194 // 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
4195 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
4196 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4197 if (++cnt == num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4198 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4199 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4200
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4201 lastc = c;
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 // 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
4205 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
4206 is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4207
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4208 if (is.bad ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4209 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4210 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4211 error (who, "read error");
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 if (err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4215 cnt = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4216 }
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 cnt;
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 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4222 static std::istream&
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4223 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
4224 T *valptr)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4225 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4226 T value = T ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4227
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4228 switch (fmt.type)
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 case 'o':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4231 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
4232 break;
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 case 'x':
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4235 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4236 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
4237 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4238
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4239 case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4240 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4241 int c1 = std::istream::traits_type::eof ();
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 while (is && (c1 = 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
4244 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4245 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4246
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4247 if (c1 != std::istream::traits_type::eof ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4248 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4249 if (c1 == '0')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4250 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4251 int c2 = is.peek ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4252
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4253 if (c2 == 'x' || c2 == 'X')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4254 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4255 is.ignore ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4256 if (std::isxdigit (is.peek ()))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4257 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
4258 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4259 value = 0;
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 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4262 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4263 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
4264 || 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
4265 || c2 == '6' || c2 == '7')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4266 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
4267 else if (c2 == '8' || c2 == '9')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4268 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4269 // 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
4270 // 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
4271 // input to fcn.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4272 // 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
4273 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4274 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4275 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4276 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4277 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4278 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4279 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4280 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4281 is.putback (c1);
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 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4284 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4285 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4286 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4287 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4288
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4289 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4290 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4291 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4292 }
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 // If conversion produces an integer that overflows, failbit is set but
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4295 // value is non-zero. We want to treat this case as success, so clear
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4296 // failbit from the stream state to keep going.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4297 // FIXME: Maybe set error state on octave stream as above? Matlab does
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4298 // *not* indicate an error message on overflow.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4299 if ((is.rdstate () & std::ios::failbit) && value != T ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4300 is.clear (is.rdstate () & ~std::ios::failbit);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4301
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4302 // Only copy the converted value if the stream is in a state where we
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4303 // want to continue reading.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4304 if (! (is.rdstate () & std::ios::failbit))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4305 *valptr = value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4306
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4307 return is;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4310 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4311 static std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4312 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
4313 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4314 if (fmt.width)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4315 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4316 // 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
4317 // temporary stringstream buffer.
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4318 std::string strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4319
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4320 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
4321
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4322 is.width (fmt.width);
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4323 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4324
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4325 std::istringstream ss (strbuf);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4326
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4327 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
4328
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4329 if (! ss.eof ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4330 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4331 // 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
4332 // 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
4333 // 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
4334 // 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
4335 // all flags get set correctly.
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4336
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4337 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
4338 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
4339
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4340 int chars_read = ss.tellg ();
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4341 if (chars_read > 0)
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4342 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4343 is.width (chars_read);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4344 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4345 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4346 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4347
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4348 // 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
4349 if (ss.fail ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4350 is.setstate (std::ios::failbit);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4351
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4352 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4353 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4354 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
4355
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4356 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4357 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4358
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4359 template <>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4360 std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4361 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
4362 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4363 double& ref = *valptr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4364
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4365 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4366 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4367 case 'e':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4368 case 'f':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4369 case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4370 case 'E':
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4371 case 'G':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4372 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4373 int c1 = std::istream::traits_type::eof ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4374
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4375 while (is && (c1 = 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
4376 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4377 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4378
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4379 if (c1 != std::istream::traits_type::eof ())
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4380 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4381 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4382
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
4383 ref = read_value<double> (is);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4384 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4385 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4386 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4387
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4388 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4389 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4390 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4391 }
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 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4394 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4395
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4396 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4397 static void
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4398 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
4399 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
4400 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
4401 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
4402 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4403 octave_scan (is, fmt, valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4404
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4405 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4406 return;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4407
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4408 if (idx == max_size && ! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4409 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4410 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4411
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4412 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4413 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
4414 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4415 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
4416
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4417 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4418 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4419
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4420 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4421 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4422 conversion_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4423 data[idx++] = *(valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4424 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4425 }
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 template void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4428 do_scanf_conv (std::istream&, const scanf_format_elt&, double*,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4429 Matrix&, double*, octave_idx_type&, octave_idx_type&,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4430 octave_idx_type, octave_idx_type, bool);
2572
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
4431
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4432 #define DO_WHITESPACE_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4433 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4434 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4435 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4436 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4437 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
4438 && isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4439 { /* skip whitespace */ } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4440 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4441 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4442 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4443 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4444 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4445
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4446 #define DO_LITERAL_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4447 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4448 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4449 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4450 \
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4451 int n = fmt.length (); \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4452 int i = 0; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4453 \
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
4454 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
4455 && (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
4456 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4457 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
4458 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4459 i++; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4460 continue; \
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 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4463 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4464 is.putback (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4465 break; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4466 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4467 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4468 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4469 if (i != n) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4470 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4471 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4472 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4473
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4474 #define DO_PCT_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4475 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4476 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4477 int c = is.get (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4478 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4479 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4480 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4481 if (c != '%') \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4482 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4483 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4484 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4485 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4486 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4487 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4488 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4489 } \
3640
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4490 while (0)
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4491
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4492 #define BEGIN_C_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4493 is.unsetf (std::ios::skipws); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4494 \
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
4495 int width = (elt->width ? elt->width : 1); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4496 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4497 std::string tmp (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4498 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4499 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4500 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4501 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4502 while (is && n < width \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4503 && (c = is.get ()) != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4504 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4505 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4506 if (n > 0 && c == std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4507 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4508 \
12984
7626f8934466 correctly resize scanf output for %c formats (bug #34037)
John W. Eaton <jwe@octave.org>
parents: 12966
diff changeset
4509 tmp.resize (n)
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4510
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4511 // 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
4512 // 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
4513 #define BEGIN_S_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4514 int width = elt->width; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4515 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4516 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4517 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4518 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4519 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4520 if (width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4521 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4522 tmp = std::string (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4523 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4524 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4525 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4526 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4527 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4528 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
4529 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4530 if (! isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4531 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4532 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4533 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4534 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4535 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4536 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4537 while (is && n < width \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4538 && (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
4539 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4540 if (isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4541 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4542 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4543 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4544 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4545 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4546 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4547 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4548 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4549 if (n > 0 && c == std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4550 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4551 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4552 tmp.resize (n); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4553 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4554 else \
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 is >> std::ws >> tmp; \
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 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4559 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4560
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4561 // 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
4562 #define BEGIN_CHAR_CLASS_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4563 int width = elt->width; \
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 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4566 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4567 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4568 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4569 if (! width) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4570 width = std::numeric_limits<int>::max (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4571 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4572 std::ostringstream buf; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4573 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4574 std::string char_class = elt->char_class; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4575 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4576 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4577 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4578 if (elt->type == '[') \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4579 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4580 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4581 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4582 && (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
4583 && char_class.find (c) != std::string::npos) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4584 buf << static_cast<char> (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4585 } \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4586 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4587 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4588 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4589 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4590 && (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
4591 && char_class.find (c) == std::string::npos) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4592 buf << static_cast<char> (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4593 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4594 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4595 if (width == std::numeric_limits<int>::max () \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4596 && 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
4597 is.putback (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4598 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4599 tmp = buf.str (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4600 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4601 if (tmp.empty ()) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4602 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4603 else 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
4604 is.clear (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4605 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4606 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4607 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4608
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4609 #define FINISH_CHARACTER_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4610 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4611 { \
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
4612 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
4613 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
4614 width = tmp.length (); \
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 if (is) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4617 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4618 int i = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4619 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4620 if (! discard) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4621 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4622 conversion_count++; \
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 while (i < width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4625 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4626 if (data_index == max_size) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4627 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4628 max_size *= 2; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4629 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4630 if (all_char_conv) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4631 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4632 if (one_elt_size_spec) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4633 mval.resize (1, max_size, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4634 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4635 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4636 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4637 panic_impossible (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4638 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4639 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4640 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4641 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4642 mval.resize (max_size, 1, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4643 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4644 data = mval.fortran_vec (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4645 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4646 \
24496
62a7d3f292d6 Correctly handle reading of characters >127 in scanf family (bug #52681).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24303
diff changeset
4647 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
4648 (tmp[i++]); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4649 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4650 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4651 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4652 } \
3410
ee5f222025c3 [project @ 2000-01-07 04:19:05 by jwe]
jwe
parents: 3342
diff changeset
4653 while (0)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
4654
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4655 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4656 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
4657 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
4658 bool one_elt_size_spec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4659 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4660 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4661 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4662 interpreter& interp = __get_interpreter__ ("base_stream::do_scanf");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4663
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4664 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
4665 ::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
4666 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4667
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4668 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4669
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4670 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4671
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
4672 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
4673
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4674 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
4675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4676 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4677 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4678 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4679 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4680
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4681 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
4682 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4683
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4684 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4685
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4686 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
4687
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4688 Matrix mval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4689 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
4690 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
4691
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4692 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
4693 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
4694
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4695 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4696 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4697 // 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
4698 // 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
4699 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4700 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4701 max_size = 512;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4702 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
4703
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4704 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4705 max_conv = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4706 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4707 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4708 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4709 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4710 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4711 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
4712 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
4713 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4714 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4715 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4716 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
4717 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4718 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4719 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4720 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4721 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4722 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4723 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4724 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4725 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4726 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4727 // Will not resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4728 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
4729 max_size = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4730 max_conv = max_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4731 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4732 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4733 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4734 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4735 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
4736 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4737 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4738 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4739 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4740 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4741 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4742 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
4743 max_size = 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4744 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4745
26411
ab6b8d8e0307 oct-stream.cc: Fix static analyzer detected V519 issue (bug #55347).
Andreas Weber <octave@josoansi.de>
parents: 26376
diff changeset
4746 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
4747
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4748 if (isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4749 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4750 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4751
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4752 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
4753
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4754 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
4755
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4756 octave_idx_type trips = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4757
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4758 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
4759
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4760 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4761 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4762 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4763
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4764 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4765 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4766 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
4767 || (! (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
4768 || 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
4769 || elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4770 && 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
4771 {
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
4772 // 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
4773 // 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
4774 // 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
4775 // 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
4776 // 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
4777 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
4778 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4779 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4780 final_nc = data_index;
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 else
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 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4785 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
4786 }
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4789 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4790 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
4791 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4792 max_size *= 2;
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 if (all_char_conv)
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 (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4797 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
4798 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4799 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
4800 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4801 panic_impossible ();
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 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4804 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
4805 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4806 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
4807
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4808 data = mval.fortran_vec ();
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
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4811 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
4812
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4813 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4814
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4815 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4816 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4817 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
4818 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4819 break;
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 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
4822 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4823 break;
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 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4826 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4827 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4828
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4829 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4830 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4831 switch (elt->modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4832 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4833 case 'h':
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 int16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4836 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
4837 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4838 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4839 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4840 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4841
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4842 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4843 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4844 int64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4845 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
4846 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4847 nr, max_size, discard);
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 break;
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 default:
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 int32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4854 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
4855 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4856 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4857 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4858 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4859 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4860 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4861 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4862
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4863 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
4864 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4865 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4866 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4867 case 'h':
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 uint16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4870 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
4871 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4872 nr, max_size, discard);
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4875
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4876 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4877 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4878 uint64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4879 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
4880 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4881 nr, max_size, discard);
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4884
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4885 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4886 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4887 uint32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4888 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
4889 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4890 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4891 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4892 break;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4893 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4894 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4895 break;
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 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
4898 case 'E': case 'G':
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 double tmp;
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 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
4903 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4904 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4905 }
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 'c':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4909 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4910 BEGIN_C_CONVERSION ();
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 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4913
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4914 is.setf (flags);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4915 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4916 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4917
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4918 case 's':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4919 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4920 BEGIN_S_CONVERSION ();
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 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4923 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4924 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4925
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4926 case '[': case '^':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4927 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4928 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4929
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4930 FINISH_CHARACTER_CONVERSION ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4931 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4932 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4933
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4934 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4935 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
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:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4939 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
4940 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4941 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4942
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4943 if (! ok ())
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 }
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4947 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
4948 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4949 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4950 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4951 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4952 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4953 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4954 final_nc = data_index;
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 else if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4957 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4958 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4959 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
4960 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4961 else
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 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4964 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4965 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4966 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4967 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4968 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4969 if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4970 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4971 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4972 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
4973 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4974 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4975 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4976 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4977 final_nc = 1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4980 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4981 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4982 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4983 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4984 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4985
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4986 // 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
4987 // reset the failbit in the stream state.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4988 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
4989 {
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4990 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
4991 is.clear (is.rdstate () & (~std::ios::failbit));
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4992 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4993
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4994 // 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
4995 if (interp.interactive ()
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
4996 && ! application::forced_interactive ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4997 && name () == "stdin")
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 is.clear ();
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 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5002 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5003 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
5004 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5005
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5006 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5007 }
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5010 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5011 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
5012 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5013 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5014
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
5015 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
5016 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5017 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
5018 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5019 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5020 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5021 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5022 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5023 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5024 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5025 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
5026 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5027
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5028 break;
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 else
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 // 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
5033 // 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
5034 // 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
5035 // 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
5036 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
5037 && (max_conv == 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5038 || conversion_count < max_conv));
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5041 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5042
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5043 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
5044
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5045 retval = mval;
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5046
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5047 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
5048 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
5049
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5050 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5051 }
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 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5054 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
5055 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5056 const std::string& who)
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 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5060 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5061
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5062 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5063
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5064 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5065 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5066 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5067 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5068 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
5069
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5070 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
5071 ::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
5072
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5073 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5074 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5075
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5076 bool one_elt_size_spec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5077
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5078 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
5079
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5080 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
5081 conversion_count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5082 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5083
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5084 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5087 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5088 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
5089 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
5090 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5091 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5094 return false;
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 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5097
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5098 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5099
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5100 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
5101
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5102 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5103 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5104 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
5105
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5106 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5107
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5108 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5109 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5110 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
5111 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5112 break;
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 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
5115 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5116 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5117
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5118 case '%':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5119 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5120 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5121
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5122 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5123 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5124 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5125 break;
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 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5128 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5129 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5130 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5131 case 'h':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5132 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5133 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
5134 if (octave_scan (is, *elt, &tmp))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5135 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5136 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
5137 retval = tmp;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5138 }
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5139 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5140 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5141 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5142 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5143
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5144 case 'l':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5145 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5146 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
5147 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
5148 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5149 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
5150 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
5151 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5152 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5153 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5154 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5155 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5156
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5157 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
5158 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5159 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
5160 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
5161 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5162 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
5163 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
5164 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5165 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5166 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
5167 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5168 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5169 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5170 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5171 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5172
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
5173 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
5174 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5175 switch (elt->modifier)
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5176 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5177 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
5178 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5179 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
5180 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
5181 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5182 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
5183 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
5184 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5185 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5186 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
5187 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5188 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5189
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5190 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
5191 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5192 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
5193 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
5194 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5195 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
5196 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
5197 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5198 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5199 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
5200 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5201 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5202
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5203 default:
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5204 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5205 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
5206 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
5207 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5208 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
5209 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
5210 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5211 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5212 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
5213 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5214 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5215 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5216 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5217 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5218
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5219 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
5220 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
5221 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5222 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5223
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5224 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
5225 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5226 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5227 retval = tmp;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5228 }
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5229 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5230 quit = true;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5231 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5232 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5233
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5234 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
5235 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5236 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5237
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5238 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5239 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5240
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5241 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5242 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5243
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5244 is.setf (flags);
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5245 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5246 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5247
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5248 case 's':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5249 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5250 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5251
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5252 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5253 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5254
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5255 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5256 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
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5260 case '[':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5261 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
5262 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5263 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5264
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5265 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5266 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5267
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5268 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5269 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
5270 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5271 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5273 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5274 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
5275 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5276
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5277 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5278 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
5279 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5280 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5281 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5282
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5283 if (ok () && is.fail ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5284 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5285 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
5286
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5287 // 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
5288
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5289 interpreter& interp = __get_interpreter__ ("base_stream::do_oscanf");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5290
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5291 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
5292 && name () == "stdin")
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5293 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5294 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5295 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5296 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
5297 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5298 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5299
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5300 return quit;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5301 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5302
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5303 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5304 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
5305 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5306 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5307
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5308 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5309
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5310 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5311 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5312 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5313 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5314 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5315
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5316 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
5317
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
5318 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
5319
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
5320 if (m_nconv == -1)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5321 ::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
5322
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5323 is.clear ();
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 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
5326
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
5327 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
5328
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5329 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
5330
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5331 int num_values = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5332
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5333 bool quit = false;
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 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
5336 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5337 octave_value tmp;
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 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
5340
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5341 if (quit)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5342 break;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5343 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5344 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5345 if (tmp.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5346 retval(num_values++) = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5347
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5348 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5349 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5350
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
5351 elt = fmt_list.next (m_nconv > 0);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5352 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5353 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5354
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
5355 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
5356
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5357 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
5358 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
5359
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5360 if (! quit)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5361 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5362 // 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
5363 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
5364 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5365 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5366
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5367 elt = fmt_list.next ();
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 do_oscanf (elt, tmp, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5370 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5371 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5372 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5375 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5376
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5377 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5378 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
5379 octave_idx_type ntimes,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5380 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5381 const std::string& who,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5382 octave_idx_type& read_count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5383 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5384 interpreter& interp = __get_interpreter__ ("base_stream::do_textscan");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5385
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5386 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
5387 ::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
5388 who.c_str ());
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 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
5391
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5392 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5393
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5394 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5395 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5396 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5397 {
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
5398 textscan scanner (who, encoding ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5399
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5400 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
5401 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5404 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5405
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5406 // 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
5407 // (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
5408
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5409 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5410 base_stream::flush (void)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5413
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5414 std::ostream *os = output_stream ();
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 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5417 invalid_operation ("fflush", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5418 else
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 os->flush ();
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 if (os->good ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5423 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5424 }
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5429 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5430 printf_value_cache
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5431 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5432 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5433
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5434 enum state { ok, conversion_error };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5435
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5436 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
5437 : 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
5438 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
5439 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
5440 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5441 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
5442 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5443 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
5444
23587
0c468af9dc00 maint: Deprecate is_object and replace with isobject.
Rik <rik@octave.org>
parents: 23584
diff changeset
5445 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
5446 err_wrong_type_arg (who, val);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5447 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5448 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5449
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5450 // No copying!
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 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
5453
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5454 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
5455
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5456 ~printf_value_cache (void) = default;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5457
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5458 // 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
5459 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
5460
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
5461 // 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
5462 // 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
5463 // 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
5464
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5465 int int_value (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5466
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5467 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
5468
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5469 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
5470
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5471 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5472
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5473 // 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
5474 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
5475
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5476 //--------
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5477
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5478 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
5479 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
5480 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
5481 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
5482 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
5483 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
5484 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
5485 state m_curr_state;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5488 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5489 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
5490 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5491 octave_value retval;
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 if (exhausted ())
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5494 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
5495
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5496 while (! exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5497 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5498 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
5499 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5500 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
5501
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5502 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
5503 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
5504 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
5505 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5506
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5507 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
5508 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5509 if (type == 's')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5510 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5511 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
5512 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5513 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
5514 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
5515
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5516 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
5517
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5518 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
5519
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5520 // 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
5521 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
5522 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5523 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5524 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5525 // 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
5526 // 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
5527 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
5528
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5529 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
5530
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5531 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
5532 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5533 double dval = val(idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5534
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
5535 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
5536 || dval < 0 || dval > 255)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5537 break;
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
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5540 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
5541
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5542 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5543 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5544 std::string sval (n, '\0');
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5545
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5546 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
5547 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
5548
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5549 retval = sval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5550 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5551 else
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5552 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
5553 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5554 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5555 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5556 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5557 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
5558
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5559 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
5560 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5561 double dval = retval.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5562
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5563 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
5564 retval = static_cast<char> (dval);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5565 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5566 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5567
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5568 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
5569 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5570 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
5571 m_val_idx++;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5572 m_have_data = false;
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
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5575 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5576 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5577 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5578 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5579 m_val_idx++;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5580 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
5581
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5582 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
5583 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5584 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
5585 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5586 if (type == 's' || type == 'c')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5587 retval = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5588 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5589 retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5590
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5591 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5592 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5593
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5594 if (exhausted ())
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5595 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
5596 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5597 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5598 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5599
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5600 return retval;
7352
fab9bc33b949 [project @ 2008-01-07 18:54:45 by jwe]
jwe
parents: 7227
diff changeset
5601 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
5602
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5603 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5604 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
5605 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5606 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
5607
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5608 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
5609
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
5610 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
5611 || 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
5612 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5613 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
5614 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
5615 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5616
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5617 return math::nint (dval);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5618 }
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 // Ugh again and again.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5621
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5622 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
5623 static int
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5624 do_printf_conv (std::ostream& os, const std::string& encoding,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5625 const char *fmt, int nsa, int sa_1, int sa_2, T arg,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5626 const std::string& who)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5627 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5628 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5629
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5630 switch (nsa)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5631 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5632 case 2:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5633 retval = format (os, encoding, 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
5634 break;
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 case 1:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5637 retval = format (os, encoding, fmt, sa_1, arg);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5638 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5639
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5640 case 0:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5641 retval = format (os, encoding, fmt, arg);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5642 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5643
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5644 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5645 ::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
5646 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5649 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5650 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5651
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
5652 static std::size_t
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5653 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
5654 int nsa, int sa_1, int sa_2, const std::string& arg,
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5655 const std::string& encoding, const std::string& who)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5656 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5657 if (nsa > 2)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5658 ::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
5659
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5660 std::string flags = elt->flags;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5661
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5662 bool left = flags.find ('-') != std::string::npos;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5663
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
5664 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
5665
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5666 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
5667
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5668 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
5669 if (encoding.compare ("utf-8"))
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5670 {
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
5671 std::size_t src_len = print_str.length ();
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5672 print_str = string::u8_to_encoding (who, print_str, encoding);
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5673 len -= src_len - print_str.length ();
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5674 }
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5675
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
5676 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
5677
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5678 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
5679
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5680 return len > fw ? len : fw;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5681 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5682
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5683 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5684 is_nan_or_inf (const octave_value& val)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5685 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5686 octave_value ov_isnan = val.isnan ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5687 octave_value ov_isinf = val.isinf ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5688
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5689 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
5690 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5691
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5692 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5693 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
5694 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5695 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
5696
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5697 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5698 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5699 else if (val.isinteger ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5700 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5701 if (val.is_uint64_type ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5702 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5703 octave_uint64 ival = val.uint64_scalar_value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5704
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5705 if (ival.value () <= limit)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5706 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5707 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5708 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5709 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5710 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5711 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5712 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5713 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5714
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5715 if (dval == math::fix (dval) && dval <= limit)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5716 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5717 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5718
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5719 return false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5720 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5721
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5722 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5723 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
5724 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5725 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5726 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5727 else if (val.isinteger ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5728 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5729 // Easier than dispatching here...
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5730
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5731 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
5732 = 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
5733
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5734 return ov_is_ge_zero.is_true ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5735 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5736 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5737 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5738 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5739
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5740 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
5741
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5742 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
5743 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5744 }
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 return false;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5749 static std::string
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5750 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
5751 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5752 std::string tfmt = elt->text;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5753
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5754 tfmt.replace (tfmt.rfind (elt->type), 1, "g");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5755
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5756 return tfmt;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5757 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5758
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5759 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5760 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
5761 const printf_format_elt *elt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5762 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
5763 const octave_value& val,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5764 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5765 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5766 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5767
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5768 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
5769
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5770 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
5771 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5772 double dval = val.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5773
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5774 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
5775
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5776 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
5777
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5778 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
5779 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5780 tfmt.erase (i2, i1-i2);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5781 if (elt->prec == -2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5782 nsa--;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5783 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5784
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5785 const char *tval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5786 if (lo_ieee_isinf (dval))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5787 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5788 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
5789 tval = (dval < 0 ? "-Inf" : "+Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5790 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5791 tval = (dval < 0 ? "-Inf" : "Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5792 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5793 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5794 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5795 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
5796 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
5797 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5798 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
5799 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5800
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5801 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa, sa_1,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5802 sa_2, tval, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5803 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5804 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5805 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5806 static std::string llmod
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
5807 = (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
5808
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5809 char type = elt->type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5810
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5811 switch (type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5812 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5813 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
5814 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
5815 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5816 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
5817
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5818 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5819 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
5820
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5821 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5822 sa_1, sa_2, tval.value (), who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5823 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5824 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5825 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5826 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
5827
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5828 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
5829
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5830 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5831 sa_1, sa_2, dval, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5832 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5833 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5834
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5835 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
5836 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
5837 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5838 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
5839
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5840 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5841 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
5842
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5843 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5844 sa_1, sa_2, tval.value (), who);
23059
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 else
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 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
5849
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5850 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
5851
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5852 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5853 sa_1, sa_2, dval, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5854 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5855 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5856
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5857 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
5858 case 'g': case 'G':
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5859 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5860 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
5861
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5862 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5863 sa_1, sa_2, dval, who);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5864 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5865 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5866
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5867 default:
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
5868 // 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
5869 // 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
5870 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
5871 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5872 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5873 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5876 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5877 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5878
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
5879 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
5880 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
5881 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5882 ::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
5883 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
5884 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5885
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5886 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5887 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
5888 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5889 const std::string& who)
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 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5892
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
5893 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
5894
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5895 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5896
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5897 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5898 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5899 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5900 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5901 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5902
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
5903 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
5904
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5905 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
5906
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5907 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
5908
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5909 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5910 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5911 octave_quit ();
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 if (! elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5914 ::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
5915
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5916 // 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
5917 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
5918
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5919 int sa_1 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5920 int sa_2 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5921
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5922 if (nsa > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5923 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5924 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
5925
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5926 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
5927 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5928 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
5929 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
5930 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5931 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5932 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5933 if (nsa > 1)
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 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
5936
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5937 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
5938 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5939 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
5940 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
5941 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5942 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5943 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5944 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5945
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5946 if (elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5947 {
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5948 if (encoding ().compare ("utf-8"))
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5949 os << string::u8_to_encoding (who, "%", encoding ());
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5950 else
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5951 os << '%';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5952 retval++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5953 }
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5954 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
5955 {
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5956 if (encoding ().compare ("utf-8"))
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5957 os << string::u8_to_encoding (who, elt->text, encoding ());
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5958 else
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5959 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
5960 retval += (elt->text.length ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5961 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5962 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
5963 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5964 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
5965
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5966 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5967 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5968 if (val.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5969 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5970 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
5971
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5972 retval += do_printf_string (os, elt, nsa, sa_1,
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5973 sa_2, sval, encoding (),
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5974 who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5975 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5976 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5977 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
5978 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5979 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5980 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5981 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5982 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5983 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5984 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5985 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
5986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5987 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5988 {
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23576
diff changeset
5989 if (! val.isempty ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5990 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
5991 sa_2, val, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5994 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5997 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5998 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5999 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6000 break;
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
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
6003 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
6004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6005 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
6006 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6007 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6008 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6009
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6010 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6011 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6014 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
6015 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6016 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6017 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6018 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
6019
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6020 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
6021 ::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
6022
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6023 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
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6027 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
6028 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6029 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6030
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6031 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6032
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6033 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6034 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6035 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6036 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6037 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6038
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6039 os << s;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6040
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6041 if (! os)
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6042 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6043 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6044 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6045 // 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
6046 // 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
6047 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6048 // 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
6049 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6050 // 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
6051 os.flush ();
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 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6054 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6055 else
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6056 error (who, "write error");
23059
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 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6061 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6062
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6063 // 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
6064
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6065 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6066 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
6067 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6068 err_num = (m_fail ? -1 : 0);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6069
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6070 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
6071
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6072 if (clear_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6073 clear ();
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 return tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6076 }
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 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6079 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
6080 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6081 // 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
6082 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
6083 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6086 stream::flush (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6087 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6088 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6089
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6090 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6091 retval = m_rep->flush ();
23059
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6094 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6097 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
6098 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6099 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6100
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6101 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6102 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
6103
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6104 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6107 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6108 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
6109 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6110 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6111 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6112
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6113 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6114
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6115 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6116
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6117 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
6118 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6119 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
6120
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6121 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
6122 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6123 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6124 ::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
6125 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6126 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6128 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
6129 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6132 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
6133 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6134 std::string retval;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6137 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
6138
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6139 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6140 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6141
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6142 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6143 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
6144 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6145 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6146 err = false;
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 int conv_err = 0;
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 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6151
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6152 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
6153 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6154 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
6155
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6156 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
6157 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6158 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6159 ::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
6160 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6161 }
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 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
6164 }
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6167 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
6168 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6169 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6170
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6171 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6172 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
6173
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6174 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6175 }
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6178 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
6179 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6180 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6181 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6182
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6183 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6184
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6185 int count = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6186
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6187 if (tc_count.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6188 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6189 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
6190 && 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
6191 count = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6192 else
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 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
6195
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6196 if (conv_err || count < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6197 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6198 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
6199 ::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
6200 who.c_str ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6201 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6205 return skipl (count, err, 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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6208 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6209 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
6210 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6211 int status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6212
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6213 if (stream_ok ())
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 clearerr ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6216
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6217 // 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
6218 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
6219
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6220 // 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
6221 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
6222
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6223 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6224 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6225 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
6226
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6227 if (origin == SEEK_CUR)
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 // 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
6230 // 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
6231 // location.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6232 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
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 // 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
6236 // existing file.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6237 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
6238
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6239 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6240 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6241 // Where are we after moving to desired position?
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6242 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
6243
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6244 // 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
6245 // but we'll check anyway...
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6246 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
6247 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6248 // Seek outside bounds of file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6249 // Failure should leave position unchanged.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6250 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
6251
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6252 status = -1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6255 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6256 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6257 // 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
6258 // Move back to original position and return failure status.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6259 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
6260
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6261 status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6262 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6263 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6264 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6265
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6266 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6267 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6270 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
6271 const octave_value& tc_origin)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6272 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6273 int retval = -1;
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 // 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
6276 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
6277 off_t xoffset = val.value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6278
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6279 int conv_err = 0;
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 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6282
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6283 if (tc_origin.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6284 {
26364
2398d2cc3d70 oct-stream.cc: Fix static analyzer detected V601 issue (bug #55347)
Andreas Weber <octave@josoansi.de>
parents: 26164
diff changeset
6285 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
6286
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6287 if (xorigin == "bof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6288 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6289 else if (xorigin == "cof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6290 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6291 else if (xorigin == "eof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6292 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6293 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6294 conv_err = -1;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6297 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6298 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
6299
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6300 if (! conv_err)
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 if (xorigin == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6303 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6304 else if (xorigin == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6305 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6306 else if (xorigin == 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6307 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6308 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6309 conv_err = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6310 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6313 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6314 ::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
6315
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6316 retval = seek (xoffset, origin);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6317
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6318 if (retval != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6319 // 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
6320 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
6321
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6322 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6323 }
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6326 stream::tell (void)
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 off_t retval = -1;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6331 retval = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6332
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6333 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6334 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6337 stream::rewind (void)
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 seek (0, SEEK_SET);
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 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6343 stream::is_open (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6344 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6345 bool retval = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6346
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6347 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6348 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
6349
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6350 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6353 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6354 stream::close (void)
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 (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6357 m_rep->close ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6358 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6359
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6360 template <typename SRC_T, typename DST_T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6361 static octave_value
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6362 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
6363 octave_idx_type input_buf_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6364 octave_idx_type elts_read,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6365 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
6366 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
6367 mach_info::float_format from_flt_fmt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6368 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6369 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
6370
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6371 DST_T conv (dim_vector (nr, nc));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6372
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6373 dst_elt_type *conv_data = conv.fortran_vec ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6374
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6375 octave_idx_type j = 0;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6376
25343
4d7790d9793f use cbegin, crbegin, cend, and crend and auto decls where possible
John W. Eaton <jwe@octave.org>
parents: 25342
diff changeset
6377 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
6378 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6379 SRC_T *data = static_cast<SRC_T *> (*it);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6380
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6381 if (swap || do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6382 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6383 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6384 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6385 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
6386 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6387 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6388 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6389 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6390 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6391 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
6392 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6393 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6394
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6395 // 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
6396 // Bug #59830.
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6397 // 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
6398 // 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
6399 // 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
6400 // conv_data[j] = tmp;
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6401
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6402 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6403 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6404 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6405 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6406 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6407 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
6408 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6409 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6410 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6411 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6412 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6413 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
6414 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6415 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6416
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6417 conv_data[j] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6418 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6419 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6420 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6421 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6422 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6423 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6424 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6425 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
6426 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6427 {
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6428 // 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
6429 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6430 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6431 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6432 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6433 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6434 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
6435 i++, j++)
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6436 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6437 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6438 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6439
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6440 delete [] data;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6441 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6442
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6443 input_buf_list.clear ();
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 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
6446 conv_data[i] = dst_elt_type (0);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6447
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6448 return conv;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6449 }
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 typedef octave_value (*conv_fptr)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6452 (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
6453 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
6454 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
6455 mach_info::float_format from_flt_fmt);
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6456
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6457 #define TABLE_ELT(T, U, V, W) \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6458 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
6459
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6460 #define FILL_TABLE_ROW(T, V) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6461 TABLE_ELT (T, dt_int8, V, int8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6462 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6463 TABLE_ELT (T, dt_int16, V, int16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6464 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6465 TABLE_ELT (T, dt_int32, V, int32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6466 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6467 TABLE_ELT (T, dt_int64, V, int64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6468 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6469 TABLE_ELT (T, dt_single, V, FloatNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6470 TABLE_ELT (T, dt_double, V, NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6471 TABLE_ELT (T, dt_char, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6472 TABLE_ELT (T, dt_schar, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6473 TABLE_ELT (T, dt_uchar, V, charNDArray); \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6474 TABLE_ELT (T, dt_logical, V, boolNDArray);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6475
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6476 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6477 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
6478 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
6479 octave_idx_type elts_read,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6480 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
6481 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
6482 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
6483 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
6484 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6485 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6486
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6487 static bool initialized = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6488
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6489 // 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
6490
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6491 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
6492
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6493 if (! initialized)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6494 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6495 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
6496 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
6497 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
6498
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6499 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
6500 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
6501 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
6502 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
6503 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
6504 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
6505 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
6506 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
6507 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
6508 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
6509 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
6510 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
6511 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
6512 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
6513
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6514 initialized = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6515 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6516
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6517 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6518
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6519 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
6520 ffmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6521
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6522 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
6523 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
6524 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6525 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
6526
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6527 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
6528 || 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
6529 && ffmt != float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6530
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6531 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
6532
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6533 switch (output_type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6534 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6535 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
6536 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
6537 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
6538 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
6539 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
6540 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
6541 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
6542 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
6543 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
6544 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
6545 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
6546 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
6547 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
6548 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
6549 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6550 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
6551
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6552 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
6553 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
6554 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6555 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6556
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6557 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6558 ::error ("read: invalid type specification");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6559 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6560
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6561 return retval;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6564 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6565 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
6566 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
6567 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
6568 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
6569 octave_idx_type& count)
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 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6572
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6573 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
6574 return retval;
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6575
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6576 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6577 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6578
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6579 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
6580
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6581 // 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
6582
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6583 // 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
6584 // 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
6585 // oct_data_conv class.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6586
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6587 // Expose this in a future version?
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
6588 std::size_t char_count = 0;
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6589
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6590 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
6591
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6592 try
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6593 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6594 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
6595 }
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6596 catch (const execution_exception&)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6597 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6598 invalid_operation ("fread", "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6599
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6600 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6601 }
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 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6604 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6605 // 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
6606
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6607 // 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
6608 // number of rows.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6609
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6610 // 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
6611 // 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
6612
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6613 if (nr == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6614 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6615 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6616 nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6617 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6618 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6619 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6620 // 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
6621 // specification and one is nonzero.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6622
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6623 // 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
6624 // should be.
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 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6627 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6628 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6629
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6630 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
6631
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6632 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
6633
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6634 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
6635
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6636 if (skip == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6637 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6638 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6639 input_buf_elts = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6640 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6641 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
6642 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6643 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6644 input_buf_elts = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6645
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6646 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
6647 = 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
6648
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
6649 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
6650 = 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
6651
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6652 assert (input_buf_size >= 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6653
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6654 // 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
6655 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6656
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6657 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6658 error ("fread: invalid input stream");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6659 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6660 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6661 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6662
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6663 // 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
6664 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
6665 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
6666 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
6667 {
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6668 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
6669 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
6670 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
6671 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
6672 }
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6673
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6674 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
6675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6676 while (is && ! is.eof ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6677 && (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
6678 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6679 if (! read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6680 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6681 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
6682
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6683 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
6684 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
6685 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6686
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6687 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
6688
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6689 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
6690
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
6691 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
6692
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6693 char_count += gcount;
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6694 cur_pos += gcount;
23059
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 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
6697
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6698 tmp_count += nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6699
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6700 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
6701
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6702 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
6703 {
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6704 // Attempt to skip.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6705 // 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
6706 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
6707
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6708 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
6709 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6710 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
6711 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
6712 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6713 else
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6714 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6715 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
6716 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
6717 }
23059
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6720
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6721 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6722 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6723 if (nc < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6724 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6725 nc = tmp_count / nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6726
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6727 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6728 nc++;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6731 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6732 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6733 else if (tmp_count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6734 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6735 nr = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6736 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6737 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6738 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
6739 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6740 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6741 nc = tmp_count / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6742 else
22996
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6743 nc = tmp_count / nr;
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6744
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6745 if (tmp_count < nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6746 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6747 }
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 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
6750 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
6751 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6752 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
6753
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6754 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
6755 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
6756 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6757
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6758 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6761 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6762 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
6763 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
6764 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
6765 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6766 octave_idx_type retval = -1;
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 if (! stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6769 invalid_operation ("fwrite", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6770 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6771 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6772 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
6773 flt_fmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6774
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6775 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
6776 skip, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6777
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6778 if (status < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6779 error ("fwrite: write error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6780 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6781 retval = status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6782 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6783
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6784 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6785 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6786
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6787 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6788 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6789 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
6790 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6791 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
6792
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6793 V *vt_data = static_cast<V *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6794
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6795 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
6796 vt_data[i] = tt_data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6797 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6798
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6799 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6800 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6801 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
6802 bool swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6803 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6804 typedef typename V::val_type val_type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6805
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6806 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
6807
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6808 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
6809 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6810 // 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
6811 V val (data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6812
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6813 vt_data[i] = val.value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6814
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6815 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6816 swap_bytes<sizeof (val_type)> (&vt_data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6817 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6818 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6819
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6820 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6821 class ultimate_element_type
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6822 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6823 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6824 typedef T type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6825 };
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6826
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6827 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6828 class ultimate_element_type<octave_int<T>>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6829 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6830 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6831 typedef T type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6832 };
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6833
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6834 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6835 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6836 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
6837 oct_data_conv::data_type output_type,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6838 mach_info::float_format flt_fmt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6839 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6840 bool retval = true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6841
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6842 bool swap = false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6843
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6844 if (mach_info::words_big_endian ())
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6845 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
6846 else
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6847 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
6848
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6849 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
6850
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6851 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
6852
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6853 switch (output_type)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6854 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6855 case oct_data_conv::dt_char:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6856 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
6857 break;
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 case oct_data_conv::dt_schar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6860 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
6861 break;
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 case oct_data_conv::dt_uchar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6864 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
6865 break;
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 case oct_data_conv::dt_int8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6868 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
6869 break;
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 case oct_data_conv::dt_uint8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6872 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
6873 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6874
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6875 case oct_data_conv::dt_int16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6876 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
6877 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6878
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6879 case oct_data_conv::dt_uint16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6880 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
6881 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6882
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6883 case oct_data_conv::dt_int32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6884 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
6885 break;
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 case oct_data_conv::dt_uint32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6888 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
6889 break;
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 case oct_data_conv::dt_int64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6892 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
6893 break;
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 case oct_data_conv::dt_uint64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6896 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
6897 break;
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 case oct_data_conv::dt_single:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6900 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6901 float *vt_data = static_cast<float *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6902
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6903 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
6904 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6905 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6906
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6907 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6908 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
6909 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6910 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6911 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6912
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6913 case oct_data_conv::dt_double:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6914 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6915 double *vt_data = static_cast<double *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6916
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6917 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
6918 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6919 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6920
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6921 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6922 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
6923 }
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 break;
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 default:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6928 ::error ("write: invalid type specification");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6929 }
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 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6932 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6933
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6934 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
6935 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
6936 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6937 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6938
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6939 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6940
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6941 if (osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6942 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6943 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6944
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6945 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6946 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6947 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
6948
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6949 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6950 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6951 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6952 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6953
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6954 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6955 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6956
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6957 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
6958 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
6959 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6960 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6961
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6962 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6963
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6964 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6965 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6966
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6967 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6968
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6969 // 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
6970 // Otherwise, write NUL to skip.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6971 off_t orig_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6972
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6973 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6974
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6975 off_t eof_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6976
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6977 // 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
6978 seek (orig_pos, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6979
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
6980 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
6981
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6982 if (remaining < skip)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6983 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6984 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6985
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6986 // 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
6987 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
6988 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
6989 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
6990 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6991 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6992 seek (skip, SEEK_CUR);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6993
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6994 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6995 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6996
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6997 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6998 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6999
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7000 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7001 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7002 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
7003 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
7004 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
7005 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
7006 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7007 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7008
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7009 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
7010 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
7011 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7012 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
7013
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7014 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
7015 || 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
7016
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7017 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
7018
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7019 octave_idx_type chunk_size;
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 (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7022 chunk_size = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7023 else if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7024 chunk_size = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7025 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7026 chunk_size = nel;
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 octave_idx_type i = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7029
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7030 const T *pdata = data.data ();
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 while (i < nel)
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 if (skip != 0)
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 (! skip_bytes (skip))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7037 return -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7040 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
7041
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7042 if (chunk_size > remaining_nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7043 chunk_size = remaining_nel;
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 bool status = false;
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 if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7048 {
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
7049 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
7050 = 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
7051
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7052 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
7053
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7054 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
7055 output_type, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7056
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7057 if (status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7058 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
7059 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7060 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7061 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
7062
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7063 if (! status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7064 return -1;
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 i += chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7067 }
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 nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7070 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
7071
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7072 #define INSTANTIATE_WRITE(T) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7073 template \
29233
665c9ed14c97 Set API tags in files in libinterp/corefcn (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
7074 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
7075 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
7076 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
7077 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
7078 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
7079
24476
bb8ae4e9e09d * oct-stream.cc: Fix whitespace in some macro definitions.
John W. Eaton <jwe@octave.org>
parents: 24346
diff changeset
7080 INSTANTIATE_WRITE (octave_int8);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7081 INSTANTIATE_WRITE (octave_uint8);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7082 INSTANTIATE_WRITE (octave_int16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7083 INSTANTIATE_WRITE (octave_uint16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7084 INSTANTIATE_WRITE (octave_int32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7085 INSTANTIATE_WRITE (octave_uint32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7086 INSTANTIATE_WRITE (octave_int64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7087 INSTANTIATE_WRITE (octave_uint64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7088 INSTANTIATE_WRITE (int8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7089 INSTANTIATE_WRITE (uint8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7090 INSTANTIATE_WRITE (int16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7091 INSTANTIATE_WRITE (uint16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7092 INSTANTIATE_WRITE (int32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7093 INSTANTIATE_WRITE (uint32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7094 INSTANTIATE_WRITE (int64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7095 INSTANTIATE_WRITE (uint64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7096 INSTANTIATE_WRITE (bool);
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21335
diff changeset
7097 #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
7098 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
7099 #endif
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7100 INSTANTIATE_WRITE (float);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7101 INSTANTIATE_WRITE (double);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7102
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7103 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7104 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
7105 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
7106 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7107 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7108
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7109 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7110 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
7111
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7112 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7115 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7116 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
7117 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
7118 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7119 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7120
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7121 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7122 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7123 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
7124
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7125 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7126 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7128 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
7129 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7130 else
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 // 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
7133 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
7134 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7135
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7136 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7139 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7140 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
7141 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7142 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7143
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7144 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7145 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
7146
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7147 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7148 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7149
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7150 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7151 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
7152 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7153 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7154
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7155 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7156 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7157 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
7158
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7159 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7160 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7161
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7162 retval = oscanf (sfmt, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7163 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7164 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7165 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7166 // 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
7167 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
7168 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7169
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7170 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7171 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7172
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7173 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7174 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
7175 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7176 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
7177 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7178 return (stream_ok ()
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7179 ? 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
7180 : octave_value ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7181 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7182
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7183 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7184 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
7185 const std::string& who)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7188
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7189 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7190 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
7191
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7192 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7193 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7196 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
7197 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7198 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7199 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7200
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7201 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7202 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7203 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
7204
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7205 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7206 sfmt = do_string_escapes (sfmt);
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 retval = printf (sfmt, args, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7211 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7212 // 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
7213 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
7214 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7217 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7220 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
7221 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7222 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7223
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7224 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7225 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
7226
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7227 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7230 // 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
7231
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7232 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7233 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
7234 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7235 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7236
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7237 if (tc_s.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7238 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7239 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
7240 retval = puts (s, who);
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 else
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 // 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
7245 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
7246 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7247
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7248 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7251 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7252 stream::eof (void) const
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7255
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7256 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7257 retval = m_rep->eof ();
23059
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7262 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7263 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
7264 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7265 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
7266
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7267 if (stream_ok (false))
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7268 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
7269
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7270 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7271 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7274 stream::name (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7275 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7276 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7278 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7279 retval = m_rep->name ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7280
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7281 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7282 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7285 stream::mode (void) const
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 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7288
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7289 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7290 retval = m_rep->mode ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7291
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7292 return retval;
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
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7295 mach_info::float_format
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7296 stream::float_format (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7297 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7298 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
7299
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7300 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7301 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
7302
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7303 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7304 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7305
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7306 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7307 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
7308 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7309 std::string retval = "???";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7310 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
7311
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7312 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
7313 retval = "r";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7314 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
7315 || 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
7316 retval = "w";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7317 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
7318 retval = "a";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7319 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
7320 retval = "r+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7321 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
7322 retval = "w+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7323 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
7324 retval = "a+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7325 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
7326 retval = "rb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7327 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
7328 || 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
7329 retval = "wb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7330 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
7331 retval = "ab";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7332 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
7333 retval = "r+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7334 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
7335 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7336 retval = "w+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7337 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
7338 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7339 retval = "a+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7340
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7341 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7342 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7343
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7344 stream_list::stream_list (interpreter& interp)
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7345 : 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
7346 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
7347 {
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7348 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
7349
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7350 // 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
7351 // 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
7352
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7353 // 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
7354
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7355 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
7356
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7357 stream stdout_stream
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7358 = 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
7359
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7360 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
7361
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7362 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
7363 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
7364 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
7365 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7366
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7367 stream_list::~stream_list (void)
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7368 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7369 clear ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7370 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7371
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7372 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
7373 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7374 // 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
7375
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7376 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
7377
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7378 if (stream_number == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7379 return stream_number;
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 // Should we test for
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7382 //
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7383 // (m_list.find (stream_number) != m_list.end ()
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7384 // && 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
7385 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7386 // 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
7387 // 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
7388 // 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
7389 // 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
7390 // 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
7391 // 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
7392 // before.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7393
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7394 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
7395 ::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
7396
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7397 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
7398
6757
c3cd7d14fc5e [project @ 2007-06-25 19:06:42 by jwe]
jwe
parents: 6708
diff changeset
7399 return stream_number;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7400 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7401
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7402 OCTAVE_NORETURN static
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7403 void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7404 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
7405 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7406 if (who.empty ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7407 ::error ("invalid stream number = %d", fid);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7408 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7409 ::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
7410 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7411
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7412 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
7413 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7414 stream retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7415
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7416 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7417 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
7418
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7419 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
7420 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
7421 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7422 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7423 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7424
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7425 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
7426 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
7427
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7428 retval = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7429 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7430 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7431
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7432 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7433 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7434
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7435 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
7436 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
7437 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7438 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
7439
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7440 return lookup (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7441 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7442
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7443 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
7444 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7445 // 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
7446 if (fid < 3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7447 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
7448
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7449 auto iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7450
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7451 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
7452 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
7453
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7454 stream os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7455 m_list.erase (iter);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7456 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
7457
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7458 // FIXME: is this check redundant?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7459 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7460 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
7461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7462 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7463
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7464 return 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7465 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7466
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7467 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
7468 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7469 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7470
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7471 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
7472 {
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7473 clear (false);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7474
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7475 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7476 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7477 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7478 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7479 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
7480
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7481 retval = remove (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7482 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7483
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7484 return retval;
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7487 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
7488 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7489 if (flush)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7490 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7491 // Flush stdout and stderr.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7492 m_list[1].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7493 m_list[2].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7494 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7495
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7496 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
7497 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7498 int fid = iter->first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7499 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
7500 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7501 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7502 continue;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7505 stream os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7506
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7507 std::string name = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7508 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
7509
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7510 // 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
7511 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
7512 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7513 // 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
7514 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7515 continue;
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
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7518 // 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
7519 if (os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7520 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7521
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7522 m_list.erase (iter++);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7523 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7524
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7525 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
7526 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7527
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7528 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
7529 {
26705
c13143821eef Add front-end support for encodings in "fopen" (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26703
diff changeset
7530 string_vector retval (4);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7531
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7532 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7533 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7534
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7535 stream os;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7536 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
7537 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
7538 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7539 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7540 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7541
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7542 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
7543 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7544
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7545 os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7546 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7547 }
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 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7550 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7551
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7552 retval(0) = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7553 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
7554 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
7555 retval(3) = os.encoding ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7556
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7557 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7558 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7559
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7560 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
7561 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7562 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7563
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
7564 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
7565 ::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
7566
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7567 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
7568
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7569 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7570 ::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
7571
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7572 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
7573 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7574
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7575 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
7576 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7577 std::ostringstream buf;
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 buf << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7580 << " number mode arch name\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7581 << " ------ ---- ---- ----\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7582
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7583 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
7584 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7585 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7586
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7587 buf << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7588 << std::setiosflags (std::ios::right)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7589 << std::setw (4) << fid_strm.first << " "
19123
c8f03ccdc9ee Align columns for freport() output.
Rik <rik@octave.org>
parents: 18676
diff changeset
7590 // 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
7591 << std::resetiosflags (std::ios::adjustfield)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7592 << std::setiosflags (std::ios::left)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7593 << std::setw (3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7594 << 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
7595 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7596 << 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
7597 << 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
7598 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7599 << os.name () << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7600 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7601
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7602 buf << "\n";
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 return buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7605 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7606
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7607 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
7608 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7609 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
7610
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7611 int num_open = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7612
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7613 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
7614 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7615 // Skip stdin, stdout, and stderr.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7616 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
7617 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
7618 }
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 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
7621
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7625 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
7626 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7627 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7628
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7629 if (fid.is_string ())
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 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
7632
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7633 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
7634 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7635 // 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
7636 if (fid_strm.first > 2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7637 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7638 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7639
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7640 if (os && os.name () == nm)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7641 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7642 retval = fid_strm.first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7643 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7644 }
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7647 }
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
7648 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
7649 ::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
7650 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7651 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7652 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7653
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7654 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
7655
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7656 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7657 ::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
7658
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7659 retval = int_fid;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7660 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7661
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7662 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7663 }
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7664
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7665 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
7666 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7667 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
7668 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7669
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7670 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
7671 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7672 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
7673 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7674
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7675 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
7676 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7677 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
7678 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7679 }