annotate libinterp/corefcn/oct-stream.cc @ 30024:fa45724a7fc8

save and restore output stream state in Octave's printf function (bug #61051) * oct-stream.cc (base_stream::do_printf): Use preserve_stream_state to save and restore stream state.
author John W. Eaton <jwe@octave.org>
date Fri, 20 Aug 2021 13:52:01 -0400
parents 9adf2b6a18fc
children 14af343e4263
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
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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
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297 octave_idx_type num_conversions (void) { return 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 fmt_elts.size (); }
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305
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cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
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diff changeset
306 const scanf_format_elt * first (void)
2117
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diff changeset
307 {
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308 curr_idx = 0;
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diff changeset
309 return current ();
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310 }
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jwe
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diff changeset
311
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cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
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diff changeset
312 const scanf_format_elt * current (void) const
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313 {
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
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diff changeset
314 return length () > 0 ? fmt_elts[curr_idx] : nullptr;
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315 }
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316
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cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
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diff changeset
317 const scanf_format_elt * next (bool cycle = true)
3640
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318 {
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diff changeset
319 static scanf_format_elt dummy
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
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diff changeset
320 ("", 0, false, scanf_format_elt::null, '\0', "");
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321
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322 curr_idx++;
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323
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324 if (curr_idx >= length ())
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325 {
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326 if (cycle)
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327 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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diff changeset
332 return current ();
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333 }
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
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diff changeset
334
23059
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335 void printme (void) const;
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336
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337 bool ok (void) const { return (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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diff changeset
347 // Number of conversions specified by this format string, or -1 if
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348 // invalid conversions have been found.
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349 octave_idx_type nconv;
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350
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351 // Index to current element;
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352 std::size_t curr_idx;
23059
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353
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354 // List of format elements.
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diff changeset
355 std::deque<scanf_format_elt*> fmt_elts;
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diff changeset
356
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357 // Temporary buffer.
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diff changeset
358 std::ostringstream buf;
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diff changeset
359
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
360 void add_elt_to_list (int width, bool discard, char type, char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
361 const std::string& char_class = "");
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
362
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d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
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diff changeset
363 void process_conversion (const std::string& s, std::size_t& i, std::size_t n,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
364 int& width, bool& discard, char& type,
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diff changeset
365 char& modifier);
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diff changeset
366
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d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
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diff changeset
367 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
368 int width, bool discard, char& type,
23059
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diff changeset
369 char modifier);
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370 };
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diff changeset
371
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diff changeset
372 scanf_format_list::scanf_format_list (const std::string& s)
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diff changeset
373 : nconv (0), curr_idx (0), fmt_elts (), buf ()
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diff changeset
374 {
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d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
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diff changeset
375 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
376
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
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diff changeset
377 std::size_t i = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
378
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
379 int width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
380 bool discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
381 char modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
382 char type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
383
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
384 bool have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
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parents: 22997
diff changeset
385
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
386 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
387 {
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diff changeset
388 have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
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parents: 22997
diff changeset
389
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
390 if (s[i] == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
391 {
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
392 // Process percent-escape conversion type.
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
393
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
394 process_conversion (s, i, n, width, discard, type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
395
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
396 have_more = (buf.tellp () != 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
397 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
398 else if (isspace (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
399 {
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
400 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
401
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
402 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
403 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
404 modifier = '\0';
23807
336f89b6208b Use character literals 'c' rather than string literals "c" when possible.
Rik <rik@octave.org>
parents: 23804
diff changeset
405 buf << ' ';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
406
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
407 while (++i < n && isspace (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
408 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
409
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
410 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
411
b98ebcd7f11c move some octave stream classes into octave namespace
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parents: 22997
diff changeset
412 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
413 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
414 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
415 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
416 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
417
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
418 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
419 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
420 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
421
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
422 while (i < n && ! isspace (s[i]) && s[i] != '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
423 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
424
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
425 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
426
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
427 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
428 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
429
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
430 if (nconv < 0)
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
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diff changeset
432 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
433 break;
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
434 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
435 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
436
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
437 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
438 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
439
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
440 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
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diff changeset
441 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
442 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
443
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
444 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
445 {
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
446 std::size_t n = fmt_elts.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
447
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
448 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
449 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
450 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
451 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
452 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
453 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
454
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
455 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
456 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
457 char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
458 const std::string& char_class)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
459 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
460 std::string text = buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
462 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
463 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
464 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
465 = 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
466 modifier, char_class);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
467
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
468 fmt_elts.push_back (elt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
469 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
470
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
471 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
472 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
473 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
474
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
475 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
476 scanf_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
477 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
478 char& type, char& modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
479 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
480 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
481 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
482 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
483 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
484
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
485 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
486
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
487 bool have_width = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
488
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
489 while (i < n)
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 switch (s[i])
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 case '*':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
494 if (discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
495 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
496 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
497 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
498 discard = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
499 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
500 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
501 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
502
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
503 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
504 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
505 if (have_width)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
506 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
507 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
508 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
509 char c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
510 width = 10 * width + c - '0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
511 have_width = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
512 buf << c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
513 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
514 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
515 c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
516 width = 10 * width + c - '0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
517 buf << c;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
520 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
521
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
522 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
523 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
524 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
525 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
526 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
527 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
528
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
529 // 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
530 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
531 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
532 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
533 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
534 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
535 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
536 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
537 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
538
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
539 // 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
540 // Matlab behavior.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
541 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
542 case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
543 if (modifier == 'h')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
544 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
545 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
546 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
547 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
548
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
549 // No float or long double conversions, thanks.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
550 buf << 'l';
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 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
553
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
554 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
555 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
556 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
557 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
558 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
559 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
560 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
561
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
562 fini:
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
563 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
564 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
565 type, modifier) == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
566 return;
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
569
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
570 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
571 nconv = -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
575 if (nconv < 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
576 break;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
579 nconv = -1;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
580 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
581
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
582 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
583 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
584 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
585 char& type, char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
586 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
587 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
588
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
589 std::string char_class;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
590
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
591 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
592 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
593
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
594 if (s[i] == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
595 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
596 type = '%';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
597 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
598 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
599 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
600 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
601 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
602
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
603 if (s[i] == '[')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
604 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
605 buf << 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 (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
608 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
609 beg_idx = i;
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 (s[i] == '^')
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 type = '^';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
614 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
615
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
616 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
617 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
618 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
619
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
620 if (s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
621 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
622 }
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 else if (s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
625 buf << s[i++];
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 while (i < n && s[i] != ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
629 buf << s[i++];
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 if (i < n && s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
632 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
633 end_idx = i-1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
634 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
635 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
636
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
637 if (s[i-1] != ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
638 retval = nconv = -1;
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 else
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
641 buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
642
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
643 nconv++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
644 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
645
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
646 if (nconv >= 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
647 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
648 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
649 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
650 end_idx - beg_idx + 1));
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 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
653 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
654
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
655 return retval;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
656 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
657
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
658 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
659 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
660 {
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
661 std::size_t n = fmt_elts.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
662
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
663 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
664 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
665 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
666
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
667 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
668 << "width: " << elt->width << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
669 << "discard: " << elt->discard << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
670 << "type: ";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
671
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
672 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
673 std::cerr << "literal text\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
674 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
675 std::cerr << "whitespace\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
676 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
677 std::cerr << elt->type << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
678
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
679 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
680 << "modifier: " << elt->modifier << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
681 << "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
682 << "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
683 }
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
684 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
685
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
686 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
687 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
688 {
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
689 std::size_t n = fmt_elts.size ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
690
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
691 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
692 {
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
693 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
694 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
695 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
696
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
697 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
698 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
699 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
700 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
701 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
702 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
703
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
704 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
705 return false;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
709
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
710 return true;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
713 return false;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
714 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
715
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
716 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
717 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
718 {
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
719 std::size_t n = fmt_elts.size ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
720
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
721 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
722 {
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
723 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
724 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
725 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
726
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
727 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
728 {
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
729 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
730 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
731 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
732
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
733 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
734 return false;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
738
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
739 return true;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
742 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
743 }
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 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
746 printf_format_elt
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 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
749
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
750 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
751 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
752 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
753 : 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
754 type (typ), modifier (mod)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
755 { }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
756
24991
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
757 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
758
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
759 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
760
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
761 ~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
762
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
763 // 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
764 std::string text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
765
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
766 // 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
767 int args;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
768
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
769 // Field width.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
770 int fw;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
771
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
772 // Precision.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
773 int prec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
774
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
775 // Flags -- '-', '+', ' ', '0', or '#'.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
776 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
777
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
778 // 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
779 // '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
780 char type;
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 // 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
783 char modifier;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
784 };
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 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
787 printf_format_list
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 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
790
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
791 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
792
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
793 // No copying!
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 printf_format_list&) = delete;
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 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
798
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
799 ~printf_format_list (void);
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 octave_idx_type num_conversions (void) { return nconv; }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
802
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
803 const printf_format_elt * first (void)
4223
5ebaf7eee36e [project @ 2002-12-17 23:54:34 by jwe]
jwe
parents: 4153
diff changeset
804 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
805 curr_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
806 return current ();
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
807 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
808
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
809 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
810 {
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
811 return length () > 0 ? fmt_elts[curr_idx] : nullptr;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
812 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
813
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
814 std::size_t length (void) const { return fmt_elts.size (); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
815
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
816 const printf_format_elt * next (bool cycle = true)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
817 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
818 curr_idx++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
819
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
820 if (curr_idx >= length ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
821 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
822 if (cycle)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
823 curr_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
824 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
825 return nullptr;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
826 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
827
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
828 return current ();
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
829 }
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
830
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
831 bool last_elt_p (void) { return (curr_idx + 1 == length ()); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
832
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
833 void printme (void) const;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
834
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
835 bool ok (void) const { return (nconv >= 0); }
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 operator bool () const { return ok (); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
838
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
839 private:
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 // Number of conversions specified by this format string, or -1 if
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
842 // invalid conversions have been found.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
843 octave_idx_type nconv;
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 // Index to current element;
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
846 std::size_t curr_idx;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
847
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
848 // List of format elements.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
849 std::deque<printf_format_elt*> fmt_elts;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
850
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
851 // Temporary buffer.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
852 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
853
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
854 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
855 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
856
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
857 void process_conversion (const std::string& s, std::size_t& i, std::size_t n,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
858 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
859 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
860
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
861 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
862 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
863 char modifier, char& type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
864 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
865
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
866 printf_format_list::printf_format_list (const std::string& s)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
867 : nconv (0), curr_idx (0), fmt_elts (), buf ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
868 {
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
869 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
870
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
871 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
872
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
873 int args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
874 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
875 int fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
876 int prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
877 char modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
878 char type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
879
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
880 bool have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
881 bool empty_buf = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
882
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
883 if (n == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
884 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
885 printf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
886 = 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
887
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
888 fmt_elts.push_back (elt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
889 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
890 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
891 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
892 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
893 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
894 have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
895
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
896 empty_buf = (buf.tellp () == 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
897
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
898 switch (s[i])
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 case '%':
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 if (empty_buf)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
903 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
904 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
905 modifier, type);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
906
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
907 // 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
908 // 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
909 // 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
910 // 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
911 // last trip through the loop.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
912
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
913 have_more = (buf.tellp () != 0);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
916 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
917 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
918 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
919
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
920 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
921 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
922 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
923 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
924 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
925 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
926 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
927 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
928 buf << s[i++];
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
931 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
932
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
933 if (nconv < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
934 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
935 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
936 break;
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 }
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 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
941 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
942
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
943 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
944 buf.str ("");
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 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
949 {
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
950 std::size_t n = fmt_elts.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
951
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
952 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
953 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
954 printf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
955 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
956 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
957 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
958
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
959 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
960 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
961 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
962 char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
963 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
964 std::string text = buf.str ();
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 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
967 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
968 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
969 = 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
970 type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
971
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
972 fmt_elts.push_back (elt);
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
975 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
976 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
977 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
978
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
979 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
980 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
981 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
982 std::string& flags, int& fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
983 int& prec, char& modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
984 char& type)
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 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
987 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
988 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
989 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
990 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
991 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
992
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
993 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
994
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
995 bool nxt = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
996
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
997 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
998 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
999 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1000 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1001 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
1002 flags += s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1003 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1004 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1005
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1006 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1007 nxt = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1008 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1009 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1010
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1011 if (nxt)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
1012 break;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1015 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1016 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1017 if (s[i] == '*')
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 fw = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1020 args++;
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
1021 buf << s[i++];
23059
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 else
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 (isdigit (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 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1028 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
1029 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
1030 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1031
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1032 while (i < n && isdigit (s[i]))
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
1033 buf << s[i++];
23059
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1037 if (i < n && s[i] == '.')
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 // nothing before the . means 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1040 if (fw == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1041 fw = 0;
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 // . followed by nothing is 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1044 prec = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1045
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1046 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1047
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1048 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1049 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1050 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1051 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1052 prec = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1053 args++;
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
1054 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 else
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 (isdigit (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 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1061 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
1062 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
1063 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1064
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1065 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
1066 buf << 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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1069 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1070
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1071 if (i < n)
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 // 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
1074 // 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
1075 // integers.
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 switch (s[i])
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 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
1080 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1081 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1082
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1083 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1084 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1085 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1086 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1087
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1088 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1089 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
1090 else
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
1091 nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1092 }
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 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
1095 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
1096 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
1097 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
1098 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1099 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1100 switch (s[i])
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 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
1103 case 'u': case 'c':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1104 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1105 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1106 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1107 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1108 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1109 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1110
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1111 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
1112 if (modifier == 'h' || modifier == 'l')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1113 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1114 nconv = -1;
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 's': case 'p': case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1120 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1121 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1122 nconv = -1;
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 fini:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1128
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1129 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1130
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1131 buf << s[i++];
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 if (type != '%' || args != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1134 nconv++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1135
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1136 if (type != '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1137 args++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1138
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1139 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
1140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1141 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1142
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1143 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1144 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1145 break;
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 }
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 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1150 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
1151 {
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
1152 std::size_t n = fmt_elts.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
1153
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1154 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
1155 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1156 printf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1157
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1158 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1159 << "args: " << elt->args << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1160 << "flags: '" << elt->flags << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1161 << "width: " << elt->fw << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1162 << "prec: " << elt->prec << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1163 << "type: '" << elt->type << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1164 << "modifier: '" << elt->modifier << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1165 << "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
1166 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1167 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1168
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1169 // 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
1170 // exactly 100 and 5e-1 is 1/2
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1171
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1172 static double
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1173 pown (double x, unsigned int n)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1174 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1175 double retval = 1;
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 for (unsigned int d = n; d; d >>= 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1178 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1179 if (d & 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1180 retval *= x;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1181 x *= x;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1184 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1185 }
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 static Cell
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1188 init_inf_nan (void)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1189 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1190 Cell retval (dim_vector (1, 2));
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 retval(0) = Cell (octave_value ("inf"));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1193 retval(1) = Cell (octave_value ("nan"));
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 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1196 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1197
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1198 // 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
1199 // by single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1200 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1201 // 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
1202 // 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
1203 // textscan workload.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1204 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1205 // 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
1206 // 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
1207 // 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
1208 // 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
1209 // 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
1210
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1211 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1212 delimited_stream
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1213 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1214 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1215
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1216 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
1217 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
1218
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1219 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
1220
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1221 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1222
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1223 delimited_stream (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1224
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1225 delimited_stream& operator = (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1226
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1227 ~delimited_stream (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1228
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1229 // 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
1230 // 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
1231 void field_done (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1232 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1233 if (idx >= last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1234 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1235 }
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 // 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
1238 // 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
1239 int refresh_buf (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 // 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
1242 // a delimiter has been reached.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1243 int get (void)
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 if (delimited)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1246 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
1247 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1248 return get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1249 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1250
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1251 // 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
1252 int get_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1253
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1254 // 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
1255 // 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
1256 // 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
1257 // For a compatible peek function, use peek_undelim. See bug #56917.
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1258 int peek (void) { 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
1259
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1260 // 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
1261 int peek_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1262
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1263 // 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
1264 // 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
1265 // 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
1266 // 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
1267 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
1268
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1269 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
1270
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1271 // int skipline (char delim);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1272
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1273 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
1274
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1275 // 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
1276 // 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
1277 char * tellg (void) { return idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1278
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1279 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
1280
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1281 bool eof (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1282 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1283 return (eob == buf && i_stream.eof ()) || (flags & std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1284 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1285
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1286 operator const void* (void) { return (! eof () && ! flags) ? this : nullptr; }
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 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
1289
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1290 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
1291
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1292 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
1293
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1294 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
1295 = (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
1296 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1297 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
1298 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1299
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1300 // 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
1301 // (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
1302
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1303 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
1304
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1305 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
1306
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1307 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1308
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1309 // 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
1310 int bufsize;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1311
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1312 // Stream to read from.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1313 std::istream& i_stream;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1314
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1315 // Temporary storage for a "chunk" of data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1316 char *buf;
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 // Current read pointer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1319 char *idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1320
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1321 // 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
1322 // delimited is false).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1323 char *last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1324
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1325 // Position after last character in buffer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1326 char *eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1327
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26640
diff changeset
1328 // 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
1329 bool delimited;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1330
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1331 // Longest lookahead required.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1332 int longest;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1333
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1334 // Sequence of single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1335 const std::string delims;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1336
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1337 // 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
1338 std::streampos buf_in_file;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1339
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1340 // 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
1341 char *progress_marker;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1342
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1343 std::ios_base::iostate flags;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1346 // 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
1347 // 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
1348 // 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
1349
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1350 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
1351 const std::string& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1352 int longest_lookahead,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1353 octave_idx_type bsize)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1354 : 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
1355 delims (delimiters),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1356 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
1357 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1358 buf = new char[bufsize];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1359 eob = buf + bufsize;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1360 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
1361 progress_marker = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1362 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
1363 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1364
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1365 // 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
1366 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
1367 const delimited_stream& ds)
24177
89167cc74260 Reuse constructor code of delimited stream.
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24176
diff changeset
1368 : 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
1369 { }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1370
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1371 delimited_stream::~delimited_stream (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1372 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1373 // 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
1374 if (! eof ())
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 i_stream.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1377 i_stream.seekg (buf_in_file);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1378 i_stream.read (buf, idx - buf);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1379 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1380
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1381 delete [] buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1382 }
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 // 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
1385 // if necessary.
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 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1388 delimited_stream::get_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1389 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1390 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1391 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1392 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1393 setstate (std::ios_base::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1394 return std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1395 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1396
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1397 if (idx < eob)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1398 retval = *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1399 else
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 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1402
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1403 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1404 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1405 setstate (std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1406 retval = std::istream::traits_type::eof ();
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 else
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 }
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 if (idx >= last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1413 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1414
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1415 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1416 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1417
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1418 // 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
1419 // 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
1420
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1421 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1422 delimited_stream::peek_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1423 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1424 int retval = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1425 putback ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1426
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1427 return retval;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1430 // 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
1431 // 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
1432 // 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
1433 // processed.
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1436 delimited_stream::refresh_buf (void)
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 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1439 return std::istream::traits_type::eof ();
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 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1442
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1443 if (eob < idx)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1444 idx = eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1445
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
1446 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
1447
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1448 octave_quit (); // allow ctrl-C
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1449
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1450 if (old_remaining > 0)
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 buf_in_file += (idx - buf);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1453 memmove (buf, idx, old_remaining);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1454 }
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
1455 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
1456 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
1457
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1458 progress_marker -= idx - buf; // where original idx would have been
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1459 idx = buf;
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 int gcount; // chars read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1462 if (! i_stream.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1463 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1464 i_stream.read (buf + old_remaining, bufsize - old_remaining);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1465 gcount = i_stream.gcount ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1466 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1467 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1468 gcount = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1469
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1470 eob = buf + old_remaining + gcount;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1471 last = eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1472 if (gcount == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1473 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1474 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1475
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1476 if (eob != buf) // no more data in file, but still some to go
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1477 retval = 0;
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 // file and buffer are both done.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1480 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1481 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1482 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1483 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1484 delimited = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1485
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1486 for (last = eob - longest; last - buf >= 0; last--)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1487 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1488 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
1489 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1490 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1491
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1492 if (last < buf)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1493 delimited = false;
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 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1496 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1497
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1498 // 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
1499 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
1500 *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
1501
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1502 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1503 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1504
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1505 // 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
1506 // 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
1507 // 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
1508 // 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
1509 // 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
1510
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1511 char *
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1512 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
1513 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1514 char *retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1515
29342
b50ca5cbfb0f Allow writing full size matrices with dlmwrite (bug #59955).
Rik <rik@octave.org>
parents: 29233
diff changeset
1516 if (eob - idx > size)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1517 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1518 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1519 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1520 if (idx > last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1521 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1522 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1523 else
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 // 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
1526 // 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
1527 // 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
1528 // 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
1529
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1530 if (eob - prior_tell + size < bufsize)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1531 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1532 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
1533 idx = prior_tell;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1534 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1535 idx += gap;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1536 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1537 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
1538 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1539 refresh_buf ();
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1542 prior_tell = buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1543
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1544 if (eob - idx > size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1545 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1546 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1547 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1548 if (idx > last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1549 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1550 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1551 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1552 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1553 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
1554 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1555 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1556 memset (eob, 0, size + (idx - buf));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1557 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1558 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1559 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
1560 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1561 retval = buffer;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1562 // FIXME: read bufsize at a time
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1563 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1564 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
1565 *buffer++ = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1566 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1567 memset (buffer, 0, size - i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1568 }
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 }
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 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1573 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1574
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1575 // 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
1576 // must have length at least 1.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1577
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1578 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1579 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
1580 {
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
1581 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
1582 int used = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1583 int ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1584 while ((ch = get_undelim ()) != delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1585 && ch != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1586 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1587 out[used++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1588 if (used == len)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1589 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1590 len <<= 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1591 out.resize (len);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1592 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1593 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1594 out.resize (used);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1595 field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1596
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1597 return ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1598 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1599
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1600 // 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
1601
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1602 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1603 textscan_format_elt
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 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1606
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1607 enum special_conversion
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1608 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1609 whitespace_conversion = 1,
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1610 literal_conversion = 2
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1611 };
22326
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 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
1614 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
1615 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
1616 : 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
1617 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
1618 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
1619 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1620
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1621 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
1622 : 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
1623 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
1624 discard (e.discard), numeric (e.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1625 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1626
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1627 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
1628 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1629 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
1630 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1631 text = e.text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1632 width = e.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1633 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;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1635 discard = e.discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1636 type = e.type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1637 numeric = e.numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1638 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
1639 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1640
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1641 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
1642 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1643
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1644 // The C-style format string.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1645 std::string text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1646
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1647 // The maximum field width.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1648 unsigned int width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1649
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1650 // 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
1651 // floating point conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1652 int prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1653
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1654 // 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
1655 // 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
1656 int bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1657
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1658 // 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
1659 std::string char_class;
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 // Type of conversion
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1662 // -- '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
1663 char type;
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 // 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
1666 bool discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1667
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1668 // 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
1669 bool numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1670 };
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 // The (parsed) sequence of format specifiers.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1673
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1674 class textscan;
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 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1677 textscan_format_list
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 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1680
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1681 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
1682 const std::string& who = "textscan");
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1683 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1684
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1685 textscan_format_list (const textscan_format_list&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1686
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1687 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
1688
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1689 ~textscan_format_list (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1690
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1691 octave_idx_type num_conversions (void) const { return nconv; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1692
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1693 // The 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
1694 // 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
1695 // 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
1696 // last conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1697
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
1698 std::size_t numel (void) const { return fmt_elts.size (); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1699
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1700 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
1701 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1702 curr_idx = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1703 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1704 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1705
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1706 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
1707 {
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1708 return numel () > 0 ? fmt_elts[curr_idx] : nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1709 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1710
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 * 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
1712 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1713 curr_idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1714
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1715 if (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
1716 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1717 if (cycle)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1718 curr_idx = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1719 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1720 return nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1721 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1722
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1723 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1724 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1725
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1726 void printme (void) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1727
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1728 bool ok (void) const { return (nconv >= 0); }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1729
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1730 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
1731
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1732 // 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
1733 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1734
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1735 // 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
1736 bool set_from_first;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1737
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1738 // 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
1739 bool has_string;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1740
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1741 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
1742
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1743 std::list<octave_value> out_buf (void) const { return (output_container); }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1744
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1745 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1746
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1747 // Number of conversions specified by this format string, or -1 if
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1748 // invalid conversions have been found.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1749 octave_idx_type nconv;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1750
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1751 // Index to current element;
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
1752 std::size_t curr_idx;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1753
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1754 // List of format elements.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1755 std::deque<textscan_format_elt*> fmt_elts;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1756
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1757 // list holding column arrays of types specified by conversions
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1758 std::list<octave_value> output_container;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1759
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1760 // Temporary buffer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1761 std::ostringstream buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1762
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1763 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
1764 octave_value val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1765 char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1766 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
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 void process_conversion (const std::string& s, 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
1769
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1770 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
1771
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
1772 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
1773 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
1774 octave_value& val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1775 bool discard, char& type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1776 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1777
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1778 // 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
1779 // according to a format.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1780 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1781 // The calling sequence is
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1782 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1783 // textscan scanner ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1784 // scanner.scan (...);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1785
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1786 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1787 OCTINTERP_API
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1788 textscan
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1789 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1790 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1791
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1792 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
1793 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
1794
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1795 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1796
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1797 textscan (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1798
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1799 textscan& operator = (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1800
22868
87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors
John W. Eaton <jwe@octave.org>
parents: 22865
diff changeset
1801 ~textscan (void) = default;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1802
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1803 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
1804 octave_idx_type ntimes,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1805 const octave_value_list& options,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1806 octave_idx_type& read_count);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1807
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1808 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1809
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1810 friend class textscan_format_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1811
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1812 // 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
1813 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1814
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1815 std::string m_encoding;
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1816
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1817 std::string buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1818
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1819 // 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
1820 // 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
1821 // 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
1822 // 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
1823
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1824 std::string whitespace_table;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1825
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1826 // 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
1827 std::string delim_table;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1828
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1829 // String of delimiter characters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1830 std::string delims;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1831
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1832 Cell comment_style;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1833
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1834 // 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
1835 int comment_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1836
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1837 // First character of open comment.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1838 int comment_char;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1839
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1840 octave_idx_type buffer_size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1841
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1842 std::string date_locale;
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 // 'inf' and 'nan' for formatted_double.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1845 Cell inf_nan;
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 // Array of strings of delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1848 Cell delim_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1849
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1850 // Longest delimiter.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1851 int delim_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1852
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1853 octave_value empty_value;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1854 std::string exp_chars;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1855 int header_lines;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1856 Cell treat_as_empty;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1857
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1858 // 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
1859 int treat_as_empty_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1860
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1861 std::string whitespace;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1862
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1863 short eol1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1864 short eol2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1865 short return_on_error;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1866
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1867 bool collect_output;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1868 bool multiple_delims_as_one;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1869 bool default_exp;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1870
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1871 octave_idx_type lines;
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 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
1874 octave_idx_type ntimes);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1875
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1876 void 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
1877 textscan_format_list& fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1878
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1879 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
1880 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1881 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
1882
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1883 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
1884 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
1885
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1886 // 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
1887 double read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1888 const textscan_format_elt& fmt) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1889
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1890 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
1891 Complex& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1892
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1893 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
1894 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1895
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1896 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
1897 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1898
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1899 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
1900 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1901
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1902 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
1903 std::string& val) 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_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
1906 std::string& val);
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 // Helper methods.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1909 std::string read_until (delimited_stream& is, const Cell& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1910 const std::string& ends) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1911
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1912 int 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
1913 bool case_sensitive = true) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1914
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1915 bool match_literal (delimited_stream& isp, const textscan_format_elt& elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1916
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
1917 int skip_whitespace (delimited_stream& is, bool EOLstop = true);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1918
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1919 int skip_delim (delimited_stream& is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1920
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1921 bool is_delim (unsigned char ch) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1922 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1923 return ((delim_table.empty () && (isspace (ch) || ch == eol1 || ch == eol2))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1924 || delim_table[ch] != '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1925 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1926
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1927 bool isspace (unsigned int ch) const { return whitespace_table[ch & 0xff]; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1928
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1929 // 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
1930 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
1931 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1932
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1933 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
1934 const std::string& who_arg)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1935 : who (who_arg), set_from_first (false), has_string (false),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1936 nconv (0), curr_idx (0), fmt_elts (), buf ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1937 {
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
1938 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
1939
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1940 std::size_t i = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1941
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1942 unsigned int width = -1; // Unspecified width = max (except %c)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1943 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1944 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1945 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1946 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1947
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1948 bool have_more = true;
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 if (s.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1951 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1952 buf.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1953 buf.str ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1954
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1955 buf << "%f";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1956
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1957 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1958 type = 'f';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1959 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
1960 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1961 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1962 set_from_first = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1963 nconv = 1;
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 else
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 set_from_first = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1968
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1969 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1970 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1971 have_more = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1972
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1973 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
1974 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1975 // Process percent-escape conversion type.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1976
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1977 process_conversion (s, i, n);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1978
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1979 // 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
1980 // 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
1981 // 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
1982 // 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
1983 // loop.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1984
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1985 have_more = (buf.tellp () != 0);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1986 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1987 else if (isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1988 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1989 while (++i < n && isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1990 /* skip whitespace */;
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 have_more = false;
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 else
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 type = textscan_format_elt::literal_conversion;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1997
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1998 width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1999 prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2000 bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2001 discard = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2002
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2003 while (i < n && ! isspace (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2004 && (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
2005 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2006 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
2007 i++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2008 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2009 width++;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2012 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
2013 discard, type);
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 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2016 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2017
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2018 if (nconv < 0)
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 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2021 break;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2024 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2025
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2026 if (have_more)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2027 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
2028
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2029 buf.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2030 buf.str ("");
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2033 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
2034 {
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
2035 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
2036
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2037 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
2038 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2039 textscan_format_elt *elt = fmt_elts[i];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2040 delete elt;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2044 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2045 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
2046 int bitwidth, octave_value val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2047 bool discard, char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2048 const std::string& char_class)
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 std::string text = buf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2051
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2052 if (! text.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2053 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2054 textscan_format_elt *elt
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2055 = new textscan_format_elt (text, width, prec, bitwidth, discard, type,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2056 char_class);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2057
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2058 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2059 output_container.push_back (val_type);
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 fmt_elts.push_back (elt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2062 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2063
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2064 buf.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2065 buf.str ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2066 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2067
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2068 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
2069 textscan_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
2070 std::size_t n)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2071 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2072 unsigned width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2073 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2074 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2075 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2076 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2077 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2078
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2079 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2080
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2081 bool have_width = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2082
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2083 while (i < n)
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 switch (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2086 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2087 case '*':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2088 if (discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2089 nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2090 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2091 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2092 discard = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2093 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2094 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2095 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2096
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2097 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
2098 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
2099 if (have_width)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2100 nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2101 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2102 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2103 char c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2104 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2105 have_width = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2106 buf << c;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2107 while (i < n && isdigit (s[i]))
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 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2110 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2111 buf << c;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2112 }
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 if (i < n && s[i] == '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2115 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2116 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2117 prec = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2118 while (i < n && isdigit (s[i]))
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 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2121 prec = prec * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2122 buf << c;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2123 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2124 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2125 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2126 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2127
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2128 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
2129 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2130 bool done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2131 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2132 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
2133 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2134 if (s[i] == '8')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2135 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2136 bitwidth = 8;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2137 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2138 val_type = octave_value (int8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2139 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2140 val_type = octave_value (uint8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2141 buf << s[i++];
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 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
2144 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2145 bitwidth = 16;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2146 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2147 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
2148 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2149 val_type = octave_value (uint16NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2150 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2151 buf << s[i++];
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 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
2154 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2155 done = false; // use default size below
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2156 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2157 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
2158 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2159 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
2160 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2161 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2162 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2163 val_type = octave_value (int64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2164 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2165 val_type = octave_value (uint64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2166 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2167 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2168 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2169 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2170 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
2171 }
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
2172 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2173 done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2174
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2175 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
2176 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2177 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2178 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2179 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
2180 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2181 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
2182 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2183 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2184 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2185
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2186 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2187 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2188 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2189 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2190 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2191 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
2192 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2193 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2194 val_type = octave_value (FloatNDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2195 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2196 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2197 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2198 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
2199 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2200 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2201 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2202 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2203 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2204 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2205 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2206 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2207 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2208 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2209 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2210
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2211 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2212 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2213 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2214 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2215 goto fini;
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 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
2218 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2219 val_type = octave_value (Cell ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2220 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2221 has_string = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2222 goto fini;
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 fini:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2225 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2226 if (! have_width)
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 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
2229 width = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2230 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2231 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
2232 }
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 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
2235 discard, type) == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2236 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
2237 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2238 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2239
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2240 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2241 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
2242 who.c_str (), s[i]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2243 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2244
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2245 if (nconv < 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2246 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2247 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2248
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2249 nconv = -1;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2252 // Parse [...] and [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2253 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2254 // 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
2255 // 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
2256 // 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
2257 // 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
2258 // pattern.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2259 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2260 // 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
2261 // 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
2262 // The latter is efficient for [^...] patterns.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2263
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2264 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2265 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
2266 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2267 int len = pattern.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2268 if (len == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2269 return "";
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 std::string retval (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2272 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
2273
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2274 int in = 0, out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2275 unsigned char ch, prev = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2276 bool flip = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2277
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2278 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2279 if (ch == '^')
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 in++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2282 flip = true;
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 mask[pattern[in]] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2285 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
2286
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2287 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
2288 bool prev_prev_was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2289 for (; in < len; in++)
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 bool was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2292 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2293 if (ch == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2294 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2295
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2296 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
2297 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2298 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
2299 if (start_of_range < ch
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2300 && ((isupper (ch) && isupper (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2301 || (islower (ch) && islower (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2302 || (isdigit (ch) && isdigit (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2303 || 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
2304 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2305 was_range = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2306 out--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2307 mask['-']--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2308 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
2309 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2310 if (mask[i] == '\0')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2311 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2312 mask[i] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2313 retval[out++] = i;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2316 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2317 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2318 if (! was_range)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2319 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2320 if (mask[ch]++ == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2321 retval[out++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2322 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
2323 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
2324 "%s: [...] contains two '%c's",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2325 who.c_str (), ch);
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 (prev == '-' && mask['-'] >= 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2328 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
2329 ("Octave:textscan-pattern",
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2330 "%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
2331 who.c_str ());
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 prev = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2334 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
2335 prev_was_range = 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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2338 if (flip) // [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2339 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2340 out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2341 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
2342 if (! mask[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2343 retval[out++] = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2344 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2345
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2346 retval.resize (out);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2347
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2348 return retval;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2351 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
2352 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
2353 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
2354 int prec, int bitwidth,
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2355 octave_value& val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2356 char& type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2357 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2358 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2359
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2360 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2361
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
2362 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
2363 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
2364
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2365 if (type != '%')
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 nconv++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2368 if (type == '[')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2369 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2370 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2371 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2372 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2373
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2374 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
2375 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2376 type = '^';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2377 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2378
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2379 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2380 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2381 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2382
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2383 if (s[i] == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2384 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2385 }
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
2386 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2387 else if (s[i] == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2388 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2389 }
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 while (i < n && s[i] != ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2392 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2393
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2394 if (i < n && s[i] == ']')
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 end_idx = i-1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2397 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2398 }
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-1] != ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2401 retval = nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2402 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2403 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2404
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2405 if (nconv >= 0)
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 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
2408 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
2409 end_idx - beg_idx + 1));
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 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
2412 char_class);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2413 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2414
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2415 return retval;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2418 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2419 textscan_format_list::printme (void) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2420 {
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
2421 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
2422
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2423 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
2424 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2425 textscan_format_elt *elt = fmt_elts[i];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2426
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2427 std::cerr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2428 << "width: " << elt->width << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2429 << "digits " << elt->prec << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2430 << "bitwidth: " << elt->bitwidth << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2431 << "discard: " << elt->discard << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2432 << "type: ";
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 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
2435 std::cerr << "literal text\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2436 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
2437 std::cerr << "whitespace\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2438 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2439 std::cerr << elt->type << "\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2440
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2441 std::cerr
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
2442 << "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
2443 << "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
2444 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2445 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2446
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2447 // 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
2448 // 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
2449
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2450 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2451 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
2452 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2453 // 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
2454 std::string first_line (20, ' ');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2455
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2456 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
2457
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
2458 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
2459 first_line.pop_back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2460
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2461 std::istringstream strstr (first_line);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2462 delimited_stream ds (strstr, is);
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 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
2465 Complex val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2466 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2467 nconv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2468 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
2469 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2470
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2471 // 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
2472 while (! ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2473 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2474 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
2475 ts.skip_whitespace (ds, false);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2476 ds.progress_benchmark ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2477 ts.scan_complex (ds, *fmt_elts[0], val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2478 if (ds.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2479 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2480 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
2481
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2482 if (ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2483 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2484
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2485 // 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
2486 // return with an error status.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2487 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2488 if (ds.no_progress ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2489 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2490 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
2491 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2492 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2493 already_skipped_delim = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2494
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2495 val = ts.empty_value.scalar_value ();
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 if (! --max_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2498 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2499 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2500
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2501 if (val.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2502 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
2503 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2504 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
2505
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2506 output_container.push_back (val_type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2507
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2508 if (! already_skipped_delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2509 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2510
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2511 if (ds.no_progress ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2512 break;
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 nconv++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2515 }
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 output_container.pop_front (); // discard empty element from constructor
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2518
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2519 // Create fmt_list now that the size is known
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2520 for (octave_idx_type i = 1; i < nconv; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2521 fmt_elts.push_back (new textscan_format_elt (*fmt_elts[0]));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2522
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2523 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
2524 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2525
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2526 textscan::textscan (const std::string& who_arg, const std::string& encoding)
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2527 : who (who_arg), m_encoding (encoding), buf (), whitespace_table (),
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2528 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
2529 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
2530 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
2531 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
2532 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
2533 return_on_error (1), collect_output (false),
23398
d4ef04757ead eliminate some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 23220
diff changeset
2534 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
2535 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2536
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2537 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2538 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
2539 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
2540 octave_idx_type& count)
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 textscan_format_list fmt_list (fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2543
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2544 parse_options (options, fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2545
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2546 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
2547
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2548 // 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
2549 // 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
2550 // 32-bit indexing.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2551
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2552 std::ios::iostate state = isp.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2553 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2554 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
2555 isp.setstate (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2556
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2557 return result;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2560 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2561 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
2562 octave_idx_type ntimes)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2563 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2564 octave_value retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2565
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2566 if (fmt_list.num_conversions () == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2567 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
2568
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2569 if (fmt_list.num_conversions () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2570 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
2571
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2572 // skip the first header_lines
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2573 std::string dummy;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2574 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
2575 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
2576
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2577 // 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
2578
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2579 // 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
2580 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
2581 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
2582
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2583 // 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
2584 octave_idx_type buf_size = 4096;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2585 if (buffer_size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2586 buf_size = buffer_size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2587 else if (ntimes > 0)
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 // Avoid overflow of 80*ntimes...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2590 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
2591 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
2592 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2593 // Finally, create the stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2594 delimited_stream is (isp,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2595 (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
2596 max_lookahead, buf_size);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2597
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2598 // 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
2599 // (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
2600 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
2601 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
2602 row_idx(1) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2603
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2604 int err = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2605 octave_idx_type row = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2606
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2607 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
2608 skip_delim (is);
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 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
2611
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2612 // 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
2613 if (fmt_list.set_from_first)
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 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
2616 lines = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2617
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2618 done_after = fmt_list.numel () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2619 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2620 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
2621 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2622 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2623 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
2624
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2625 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
2626
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2627 // 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
2628 // Check now which columns to merge.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2629 // 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
2630 // after reading in data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2631 // 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
2632 // 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
2633 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
2634 int conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2635 if (collect_output)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2636 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2637 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
2638 for (const auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2639 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2640 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
2641 || (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
2642 merge_with_prev[conv++] = true;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2643 else
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2644 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
2645
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2646 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2647 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2648 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2649
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2650 // 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
2651 // infinite loop below.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2652 if (fmt_list.num_conversions () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2653 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
2654
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2655 // 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
2656 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2657 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2658 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
2659 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2660 if (row == 0 || row >= size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2661 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2662 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
2663 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
2664 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
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 row_idx(0) = row;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2668 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
2669
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2670 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
2671 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2672 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2673 }
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 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
2676 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
2677 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
2678
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2679 // 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
2680 bool uneven_columns = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2681 if (err & 4)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2682 uneven_columns = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2683 else if (isp.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2684 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2685 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2686 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
2687 int last_char = isp.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2688 isp.setstate (isp.eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2689 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
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 // convert return value to Cell array
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2693 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
2694
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2695 // (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
2696 // 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
2697 if (err & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2698 done_after = out.size () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2699
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2700 int valid_rows = (row == ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2701 ? ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2702 : ((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
2703 dim_vector dv (valid_rows, 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2704
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2705 ra_idx(0) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2706 int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2707 if (! collect_output)
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 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
2710 for (auto& col : out)
22326
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 // 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
2713 if (i == done_after && uneven_columns)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2714 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
2715
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2716 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
2717 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
2718 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
2719 i++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2720 }
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 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
2723 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2724 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
2725 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
2726 int prev_type = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2727
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2728 conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2729 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
2730 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2731 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2732 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
2733 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2734 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
2735 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2736 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
2737 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
2738 }
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2739 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
2740 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
2741 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2742 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2743 else
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 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
2746 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
2747 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2748 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2749 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
2750 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
2751 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2752
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2753 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2754 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2755
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2756 // 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
2757 // EXP_CHARS option of OPTIONS.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2758
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2759 double
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2760 textscan::read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2761 const textscan_format_elt& fmt) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2762 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2763 int sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2764 unsigned int width_left = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2765 double retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2766 bool valid = false; // syntactically correct double?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2767
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2768 int ch = is.peek ();
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 if (ch == '+')
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 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2773 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2774 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2775 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2776 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2777 else if (ch == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2778 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2779 sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2780 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2781 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2782 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2783 width_left--;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2786 // Read integer part
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 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
2790 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2791 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
2792 retval = retval * 10 + (ch - '0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2793 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2794 }
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 // 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
2797 if (ch == '.' && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2798 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2799 double multiplier = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2800 int precision = fmt.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2801 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2802
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2803 width_left--; // Consider width of '.'
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2804
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2805 if (precision == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2806 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
2807
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2808 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
2809 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
2810
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2811 for (i = 0; i < precision; i++)
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 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
2814 retval += (ch - '0') * (multiplier *= 0.1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2815 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2816 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2817 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
2818 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2819 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2820 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2821
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2822 // 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
2823 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
2824 && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2825 retval += multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2826
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2827 if (i > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2828 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
2829
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2830 // 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
2831 if (i == precision)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2832 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
2833 ; // discard
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2834
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2835 width_left++;
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 // 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
2839 bool used_exp = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2840 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
2841 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2842 int ch1 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2843 if (ch1 == '-' || ch1 == '+' || (ch1 >= '0' && ch1 <= '9'))
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2844 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2845 // 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
2846 width_left--; // count "E"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2847 int exp = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2848 int exp_sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2849 if (ch1 == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2850 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2851 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2852 is.get ();
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 else if (ch1 == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2855 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2856 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2857 exp_sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2858 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2859 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2860 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2861 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
2862 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2863 exp = exp*10 + ch - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2864 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2865 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2866 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2867 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
2868 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2869
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2870 double multiplier = pown (10, exp);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2871 if (exp_sign > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2872 retval *= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2873 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2874 retval /= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2875
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2876 used_exp = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2877 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2878 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2879 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2880 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
2881 is.putback (ch);
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 // Check for +/- inf and NaN
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2884 if (! valid && width_left >= 3)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2885 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2886 int i = lookahead (is, inf_nan, 3, false); // false -> case insensitive
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2887 if (i == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2888 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2889 retval = numeric_limits<double>::Inf ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2890 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2891 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2892 else if (i == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2893 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2894 retval = numeric_limits<double>::NaN ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2895 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2896 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2897 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2898
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2899 if (! valid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2900 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2901 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2902 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
2903
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2904 return retval * sign;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2905 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2906
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2907 // 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
2908 // 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
2909 // 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
2910
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2911 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2912 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
2913 Complex& val) const
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 double im = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2916 double re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2917 bool as_empty = false; // did we fail but match a "treat_as_empty" string?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2918 bool inf = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2919
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2920 int ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2921 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
2922 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2923 ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2924 int ch2 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2925 if (ch2 == 'i' || ch2 == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2926 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2927 double value = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2928 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2929 // Check not -inf
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2930 if (is.peek () == 'n')
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 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2933 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2934
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2935 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2936 ch2 = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2937 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
2938 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2939 inf = true;
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2940 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
2941 : -numeric_limits<double>::Inf ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2942 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
2943 }
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
2944 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
2945 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2946 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2947 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
2948 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2949 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2950
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2951 im = (ch == '+') ? value : -value;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2952 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2953 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2954 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2955 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2956
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2957 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
2958 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2959 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2960 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
2961 //re = read_value<double> (is);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2962 re = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2963
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2964 // check for "treat as empty" string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2965 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
2966 && (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
2967 || re == numeric_limits<double>::Inf ()))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2968 {
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 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
2971 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2972 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
2973 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2974 as_empty = true; // first char matches, so read the lot
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2975 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2976 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2977 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2978 if (as_empty) // if first char matched...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2979 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2980 as_empty = false; // ...look for the whole string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2981
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2982 is.clear (state); // treat_as_empty "-" causes partial read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2983 is.seekg (pos); // reset to position before failed read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2984
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2985 // 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
2986 // 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
2987 // that matches.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2988 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
2989 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
2990
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2991 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2992 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
2993 // 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
2994
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2995 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
2996 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2997 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
2998 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
2999 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3000 as_empty = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3001 // read just the right amount
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3002 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
3003 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3004 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3005 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3006 }
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3009 if (! is.eof () && ! as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3010 {
26566
f8d380d04b01 Fix dead assignments found by clang static analysis (bug #55440).
Rik <rik@octave.org>
parents: 26500
diff changeset
3011 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
3012
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3013 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
3014 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
3015 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3016 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3017 im = re;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3018 re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3019 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3020 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
3021 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3022 // 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
3023 pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3024 state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3025
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
3026 //im = read_value<double> (is);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3027 im = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3028 if (is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3029 im = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3030
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3031 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
3032 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3033 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3034 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3035 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
3036 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
3037 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
3038 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3039 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3040 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
3041 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
3042 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3043 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3044 if (as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3045 val = empty_value.scalar_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3046 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3047 val = Complex (re, im);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3048 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3049
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3050 // 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
3051
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3052 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3053 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
3054 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3055 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3056 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
3057 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
3058
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3059 while (is && ((c1 = (is && ! is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3060 ? is.get_undelim ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3061 : std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3062 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3063 && pattern.find (c1) == std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3064 obuf << static_cast<char> (c1);
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 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3067
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3068 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
3069 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3070
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3071 return c1;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3074 // 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
3075 // 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
3076
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3077 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3078 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
3079 const std::string& ends) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3080 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3081 std::string retval ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3082 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3083 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3084 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3085 // 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
3086 std::string next;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3087 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
3088 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
3089
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3090 int last = (! is.eof ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3091 ? 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
3092
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3093 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
3094 {
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
3095 if (last == eol1 || last == eol2)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
3096 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
3097
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3098 retval = retval + static_cast<char> (last);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3099 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
3100 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3101 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
3102 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
3103 ? retval.length () - delim.length ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3104 : 0);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3105 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
3106 if (may_match == delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3107 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3108 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3109 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
3110 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
3111 is.putback (last);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3112 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3113 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3114 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3115 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3116 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3117 while (! done && is && ! is.eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3118
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3119 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3120 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3121
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3122 // 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
3123 // 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
3124 // 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
3125
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3126 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3127 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
3128 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3129 {
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23576
diff changeset
3130 if (delim_list.isempty ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3131 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3132 unsigned int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3133 unsigned int width = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3134
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3135 for (i = 0; i < width; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3136 {
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3137 // 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
3138 if (i >= val.length ())
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3139 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
3140 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
3141
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3142 int ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3143 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
3144 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3145 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
3146 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3147 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3148 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3149 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3150 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3151 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
3152 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3153 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
3154 {
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
3155 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
3156 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
3157 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
3158 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3159 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
3160 ends[i] = tmp.back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3161 }
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
3162 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
3163 ends[i++] = eol2;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3164 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
3165 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3166
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3167 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3168 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
3169 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
3170 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3171
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3172 // 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
3173
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3174 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3175 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
3176 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3177 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3178 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
3179 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
3180
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3181 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
3182 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3183
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3184 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3185 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
3186 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3187 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3188 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3189
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3190 // 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
3191 // 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
3192 // 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
3193
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3194 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3195 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
3196 std::string& val)
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 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3199
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3200 if (is.peek () != '"')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3201 scan_string (is, fmt, val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3202 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3203 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3204 is.get ();
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3205 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
3206 is.get (); // swallow "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3207
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3208 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
3209 { // insert one in stream,
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3210 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
3211 std::string val1;
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3212 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
3213 val = val + '"' + val1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3214 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3215 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3216 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3217
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3218 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3219 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
3220 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
3221 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3222
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3223 // 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
3224 // including any whitespace or delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3225
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3226 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3227 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
3228 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3229 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3230 val.resize (fmt.width);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3231
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3232 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
3233 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3234 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3235 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
3236 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3237 else
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 val.resize (i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3240 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3241 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3242 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3243
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3244 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3245 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
3246 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
3247 }
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 // 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
3250
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3251 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3252 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
3253 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
3254 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3255 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3256
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3257 is.clear ();
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 octave_value val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3260 if (fmt.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3261 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3262 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
3263 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3264 Complex v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3265 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3266 scan_complex (is, fmt, v);
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 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3269 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3270 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
3271 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3272 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
3273 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
3274 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3275 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3276 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
3277 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
3278 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3279 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
3280 }
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
3281 }
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
3282 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
3283 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3284 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
3285 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
3286 float (v.real ()));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3287 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
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 ()) // 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
3290 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
3291 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3292 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
3293 FloatComplex (v));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3294 }
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
3295 }
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
3296 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3297 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3298 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3299 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3300 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
3301 // 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
3302 // 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
3303 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3304 v = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3305 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3306 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
3307 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3308 case 64:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3309 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3310 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3311 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3312 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3313 octave_int64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3314 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
3315 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3316 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3317
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3318 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3319 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3320 octave_uint64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3321 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
3322 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3323 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3324 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3325 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3327 case 32:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3328 switch (fmt.type)
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 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3331 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3332 octave_int32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3333 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
3334 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3335 break;
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 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3338 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3339 octave_uint32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3340 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
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 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3345
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3346 case 16:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3347 if (fmt.type == '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_int16 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 else
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 octave_uint16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3355 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
3356 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3357 break;
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 case 8:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3360 if (fmt.type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3361 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3362 octave_int8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3363 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
3364 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3365 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3366 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3367 octave_uint8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3368 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
3369 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3370 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3371 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3372 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3373
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3374 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
3375 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
3376 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3377 else
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 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
3380 switch (fmt.type)
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 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3383 scan_string (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3384 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3385
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3386 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3387 scan_qstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3388 break;
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 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3391 scan_cstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3392 break;
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 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3395 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
3396 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3397
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3398 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3399 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
3400 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3401 }
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 if (! fmt.discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3404 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
3405 Cell (octave_value (vv)));
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 // 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
3408 if (! vv.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3409 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
3410 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3411
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3412 is.field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3413 }
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 // 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
3416 // values in row ROW of retval.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3417
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3418 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3419 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
3420 textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3421 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3422 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
3423 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3424 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
3425 auto out = retval.begin ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3426 bool no_conversions = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3427 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3428 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
3429 bool nothing_worked = true;
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 octave_quit ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3432
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
3433 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
3434 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3435 bool this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3436
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3437 // Clear fail of previous numeric conversions.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3438 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3439
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3440 switch (elem->type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3441 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3442 case 'C':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3443 case 'D':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3444 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
3445 who.c_str (), elem->type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3446 break;
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 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3449 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3450 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3451 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3452 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3453 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3454 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3455 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3456 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3457 scan_one (is, *elem, *out, row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3458 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3459
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3460 case textscan_format_elt::literal_conversion :
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3461 match_literal (is, *elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3462 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3463
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3464 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3465 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
3466 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3467
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3468 if (! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3469 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3470 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3471 no_conversions = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3472 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3473 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3474 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3475 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
3476
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
3477 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
3478 {
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
3479 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
3480 {
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
3481 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
3482 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
3483 }
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
3484 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
3485 {
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
3486 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
3487 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
3488 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
3489 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
3490 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
3491 }
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
3492 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3493 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3494
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3495 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3496 out++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3497
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3498 elem = fmt_list.next ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3499 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3500
28182
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3501 // 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
3502 // 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
3503 // 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
3504 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
3505 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
3506 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
3507 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3508
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3509 if (is.eof ())
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 if (! done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3512 done_after = i+1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3513
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3514 // 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
3515 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3516 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3517
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3518 if (this_conversion_failed)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3519 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3520 if (is.tellg () == pos && ! conversion_failed)
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3521 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3522 // done_after = first failure
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3523 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
3524 conversion_failed = true;
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3527 this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3528 }
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22407
diff changeset
3529 else if (! done && ! conversion_failed)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3530 nothing_worked = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3531 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3532
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3533 if (done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3534 is.setstate (std::ios::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3535
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3536 return no_conversions
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3537 + (is.eof () ? 2 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3538 + (conversion_failed ? 4 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3539 + (nothing_worked ? 8 : 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3540
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3541 }
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 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3544 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
3545 textscan_format_list& fmt_list)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3546 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3547 int last = args.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3548 int n = last;
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 (n & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3551 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
3552 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
3553
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3554 delim_len = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3555 bool have_delims = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3556 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
3557 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3558 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
3559 who.c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3560 args(i).type_name ().c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3561 i/2 + 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3562 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
3563
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3564 if (param == "delimiter")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3565 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3566 bool invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3567 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3568 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3569 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3570 have_delims = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3571 delims = args(i+1).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3572 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
3573 delims = do_string_escapes (delims);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3574 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3575 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
3576 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3577 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3578 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
3579 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
3580
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3581 // 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
3582 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
3583 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3584 if (! delim_list(j).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3585 invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3586 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3587 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3588 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
3589 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
3590 .string_value ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3591 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
3592 .length ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3593 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
3594 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3595 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3596 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3597 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3598 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
3599 who.c_str ());
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 else if (param == "commentstyle")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3602 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3603 if (args(i+1).is_string ())
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3604 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3605 // 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
3606 comment_style = Cell (args(i+1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3607 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3608 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
3609 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3610 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
3611 int len = comment_style.numel ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3612 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
3613 || (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
3614 || (len >= 3))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3615 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
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3619 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
3620 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3621
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3622 // 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
3623 // 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
3624 if (comment_style.numel () >= 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3625 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3626 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
3627 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
3628 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3629 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3630 else if (param == "treatasempty")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3631 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3632 bool invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3633 if (args(i+1).is_string ())
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 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
3636 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
3637 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3638 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
3639 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3640 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
3641 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
3642 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
3643 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
3644 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
3645 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3646 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
3647 if (k > treat_as_empty_len)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3648 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
3649 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3650 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3651 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3652 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
3653 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3654
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3655 // 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
3656 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3657 else if (param == "collectoutput")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3658 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3659 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
3660 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3661 else if (param == "emptyvalue")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3662 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3663 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
3664 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3665 else if (param == "headerlines")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3666 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3667 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
3668 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3669 else if (param == "bufsize")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3670 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3671 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
3672 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3673 else if (param == "multipledelimsasone")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3674 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3675 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
3676 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3677 else if (param == "returnonerror")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3678 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3679 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
3680 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3681 else if (param == "whitespace")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3682 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3683 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
3684 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3685 else if (param == "expchars")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3686 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3687 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
3688 default_exp = false;
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 == "endofline")
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 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
3693 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
3694 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
3695 s = do_string_escapes (s);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3696 int l = s.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3697 if (l == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3698 eol1 = eol2 = -2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3699 else if (l == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3700 eol1 = eol2 = s.c_str ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3701 else if (l == 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3702 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3703 eol1 = s.c_str ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3704 eol2 = s.c_str ()[1];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3705 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
3706 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3707 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3708 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3709 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3710
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3711 if (! valid)
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23803
diff changeset
3712 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
3713 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3714 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3715 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3716 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
3717 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3718
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3719 // 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
3720 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
3721 {
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3722 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
3723 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
3724 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
3725 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
3726 }
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3727 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
3728 {
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3729 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
3730 if (delim.length () == 1)
24634
ab2321d4ba03 maint: strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
3731 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
3732 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
3733 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
3734 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
3735 }
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3736
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3737 whitespace_table = std::string (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3738 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
3739 whitespace_table[whitespace[i]] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3740
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3741 // 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
3742 // whitespace is explicitly ignored.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3743 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
3744 whitespace_table[' '] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3745
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3746 // 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
3747 delim_table = std::string (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3748 if (eol1 >= 0 && eol1 < 256)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3749 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
3750 if (eol2 >= 0 && eol2 < 256)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3751 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
3752 if (! have_delims)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3753 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
3754 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3755 if (isspace (i))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3756 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
3757 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3758 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3759 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
3760 delim_table[delims[i]] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3761 }
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 // 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
3764 // 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
3765
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3766 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3767 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
3768 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3769 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
3770 bool found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3771
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3772 do
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3773 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3774 found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3775 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3776 while (is && (c1 = 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
3777 && ( ( (c1 == eol1 || c1 == eol2) && ++lines && ! EOLstop)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3778 || isspace (c1)))
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 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
3781 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3782 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3783 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3784
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3785 if (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
3786 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3787 // 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
3788 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3789 std::ios::iostate state = is.rdstate ();
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 std::string tmp (comment_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3792 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
3793 if (is && comment_style.numel () > 0
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25424
diff changeset
3794 && ! strncmp (comment_style(0).string_value ().substr (1).c_str (),
7a507e71d922 style fixes
John W. Eaton <jwe@octave.org>
parents: 25424
diff changeset
3795 look, comment_len-1))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3796 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3797 found_comment = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3798
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3799 std::string dummy;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3800 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
3801 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3802 std::string eol (3, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3803 eol[0] = eol1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3804 eol[1] = eol2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3805
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3806 scan_caret (is, eol, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3807 c1 = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3808 if (c1 == eol1 && eol1 != eol2 && is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3809 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3810 lines++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3811 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3812 else // matching pair
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3813 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3814 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
3815 // last char of end-comment sequence
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3816 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
3817 std::string may_match ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3818 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3819 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3820 // 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
3821 scan_caret (is, last, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3822 is.get_undelim (); // (read LAST itself)
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 may_match = may_match + dummy + last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3825 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
3826 {
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
3827 std::size_t start = may_match.length () - end_c.length ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3828 may_match = may_match.substr (start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3829 }
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 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
3832 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3833 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3834 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
3835 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3836 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3837 is.seekg (pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3838 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3839 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3840 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3841 while (found_comment);
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 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
3844 is.putback (c1);
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3845
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3846 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3847 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3848
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3849 // 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
3850 // 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
3851 // 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
3852
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3853 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3854 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
3855 bool case_sensitive) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3856 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3857 // target strings may be different sizes.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3858 // 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
3859 // that matches.
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 char *pos = is.tellg ();
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 std::string tmp (max_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3864 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
3865
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3866 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
3867 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
3868 // 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
3869
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3870 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
3871 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
3872 compare = (case_sensitive ? strncmp : strncasecmp);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3873
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3874 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
3875 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3876 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
3877 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
3878 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3879 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
3880 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3881 }
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3884 if (i == targets.numel ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3885 i = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3886
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3887 return i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3888 }
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 // Skip delimiters -- multiple if MultipleDelimsAsOne specified.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3891 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3892 textscan::skip_delim (delimited_stream& is)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3893 {
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3894 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
3895 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
3896 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3897 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
3898 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3899 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3900 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
3901 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
3902
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3903 if (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3904 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3905 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3906 // skip multiple delims.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3907 // Increment lines for each end-of-line seen; for \r\n, decrement
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3908 while (is && ((c1 = is.get_undelim ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3909 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3910 && (((c1 == eol1 || c1 == eol2) && ++lines)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3911 || isspace (c1) || is_delim (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3912 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3913 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
3914 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3915 prev = c1;
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 (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3918 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3919 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3920 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3921 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3922 else // multi-character delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3923 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3924 int first_match;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3925
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3926 if (c1 == eol1 || c1 == eol2
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3927 || (-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
3928 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3929 if (c1 == eol1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3930 {
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
3931 is.get_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3932 if (is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3933 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3934 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3935 else if (c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3936 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3937 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3938 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3939
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3940 if (multiple_delims_as_one)
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 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3943 // skip multiple delims.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3944 // Increment lines for each end-of-line seen; for \r\n, decrement
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3945 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
3946 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3947 && (((c1 == eol1 || c1 == eol2) && ++lines)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3948 || -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
3949 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3950 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
3951 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3952 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3953 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3954 }
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 }
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 return c1;
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 // 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
3962 // 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
3963 // false (and set failbit).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3964
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3965 bool
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3966 textscan::match_literal (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
3967 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3968 // "false" -> treat EOL as normal space
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3969 // 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
3970 skip_whitespace (is, false);
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 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
3973 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3974 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3975 if (ch != fmt.text[i])
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 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
3978 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3979 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3980 return false;
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 return true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3984 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3985
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3986 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3987 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
3988 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
3989 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
3990 m_errmsg = msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3991 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3992
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3993 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3994 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
3995 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
3996 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
3997 m_errmsg = who + ": " + msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3998 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3999
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4000 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4001 base_stream::clear (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4002 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4003 m_fail = false;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4004 m_errmsg = "";
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4005 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4006
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4007 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4008 base_stream::clearerr (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4009 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4010 std::istream *is = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4011 std::ostream *os = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4013 if (is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4014 is->clear ();
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 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4017 os->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4018 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4019
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4020 // 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
4021 // are those that define is).
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4024 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
4025 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
4026 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4027 interpreter& interp = __get_interpreter__ ("base_stream::do_gets");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4028
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4029 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
4030 ::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
4031 who.c_str ());
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::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4034
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4035 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4037 std::istream *isp = input_stream ();
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 (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4040 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4041 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4042 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4043 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4044 else
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::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4047
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4048 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4049
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4050 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4051 int char_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4052
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4053 if (max_len != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4054 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4055 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
4056 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4057 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4058
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4059 // 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
4060 if (c == '\r')
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 (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4063 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4064
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4065 c = is.get ();
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 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
4068 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4069 if (c == '\n')
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 char_count++;
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 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4074 buf << static_cast<char> (c);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4077 is.putback (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4078 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4079
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4080 break;
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 else if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4083 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4084 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4085 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4086
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4087 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4088 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4089 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4090 buf << static_cast<char> (c);
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 (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
4093 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4094 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4097 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
4098 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4099 // 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
4100 // 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
4101 // corresponding C-library functions do.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4102 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
4103 if (! is.eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4104 is.putback (disgusting_compatibility_hack);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4105 }
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 (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
4108 {
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4109 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
4110 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
4111 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
4112 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4113 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4114 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4115 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4116
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4117 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
4118 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
4119 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4120 error (who, "read error");
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4123
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4124 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4125 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4126
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4127 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4128 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
4129 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4130 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4131 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
4132 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4133
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4134 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4135 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
4136 const std::string& who)
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 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
4139 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4141 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4142 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
4143 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4144 interpreter& interp = __get_interpreter__ ("base_stream::skipl");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4145
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4146 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
4147 ::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
4148 who.c_str ());
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 off_t cnt = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4151
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4152 err = false;
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 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4157 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4158 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4159 invalid_operation (who, "reading");
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 else
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 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4164
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4165 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4166 int lastc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4167 cnt = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4168
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4169 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
4170 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4171 // 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
4172 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
4173 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4174 if (++cnt == num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4175 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4178 lastc = c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4179 }
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 // 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
4182 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
4183 is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4184
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4185 if (is.bad ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4186 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4187 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4188 error (who, "read error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4189 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4190
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4191 if (err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4192 cnt = -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4195 return cnt;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4198 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4199 static std::istream&
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4200 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
4201 T *valptr)
23059
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 T value = T ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4204
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4205 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4206 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4207 case 'o':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4208 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
4209 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4210
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4211 case 'x':
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4212 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4213 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
4214 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4215
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4216 case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4217 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4218 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
4219
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4220 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
4221 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4222 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4223
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4224 if (c1 != std::istream::traits_type::eof ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4225 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4226 if (c1 == '0')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4227 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4228 int c2 = is.peek ();
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 if (c2 == 'x' || c2 == 'X')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4231 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4232 is.ignore ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4233 if (std::isxdigit (is.peek ()))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4234 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
4235 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4236 value = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4237 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4238 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4239 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4240 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
4241 || 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
4242 || c2 == '6' || c2 == '7')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4243 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
4244 else if (c2 == '8' || c2 == '9')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4245 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4246 // 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
4247 // 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
4248 // input to fcn.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4249 // 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
4250 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4251 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4252 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4253 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4254 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4255 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4256 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4257 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4258 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4259
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4260 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4261 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4262 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4263 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4264 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4265
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4266 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4267 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4268 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4269 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4270
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4271 // If 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
4272 // 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
4273 // 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
4274 // 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
4275 // *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
4276 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
4277 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
4278
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4279 // 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
4280 // want to continue reading.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4281 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
4282 *valptr = value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4283
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4284 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4285 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4286
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4287 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4288 static std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4289 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
4290 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4291 if (fmt.width)
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 // 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
4294 // temporary stringstream buffer.
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4295 std::string strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4296
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4297 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
4298
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4299 is.width (fmt.width);
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4300 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4301
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4302 std::istringstream ss (strbuf);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4303
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4304 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
4305
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4306 if (! ss.eof ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4307 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4308 // 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
4309 // 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
4310 // 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
4311 // 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
4312 // all flags get set correctly.
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4313
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4314 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
4315 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
4316
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4317 int chars_read = ss.tellg ();
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4318 if (chars_read > 0)
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 is.width (chars_read);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4321 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4322 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4323 }
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 // 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
4326 if (ss.fail ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4327 is.setstate (std::ios::failbit);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4328
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4329 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4330 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4331 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
4332
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4333 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4334 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4335
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4336 template <>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4337 std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4338 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
4339 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4340 double& ref = *valptr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4341
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4342 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4343 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4344 case 'e':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4345 case 'f':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4346 case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4347 case 'E':
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4348 case 'G':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4349 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4350 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
4351
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4352 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
4353 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4354 ; // skip whitespace
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 if (c1 != std::istream::traits_type::eof ())
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4357 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4358 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4359
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
4360 ref = read_value<double> (is);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4361 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4362 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4363 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4366 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4367 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4368 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4369
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4370 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4371 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4372
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4373 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4374 static void
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4375 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
4376 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
4377 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
4378 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
4379 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4380 octave_scan (is, fmt, valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4381
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4382 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4383 return;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4384
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4385 if (idx == max_size && ! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4386 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4387 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4388
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4389 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4390 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
4391 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4392 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
4393
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4394 data = mval.fortran_vec ();
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4397 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4398 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4399 conversion_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4400 data[idx++] = *(valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4401 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4404 template void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4405 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
4406 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
4407 octave_idx_type, octave_idx_type, bool);
2572
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
4408
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4409 #define DO_WHITESPACE_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4410 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4411 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4412 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4413 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4414 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
4415 && isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4416 { /* skip whitespace */ } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4417 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4418 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4419 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4420 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4421 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4422
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4423 #define DO_LITERAL_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4424 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4425 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4426 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4427 \
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4428 int n = fmt.length (); \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4429 int i = 0; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4430 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4431 while (i < n && 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
4432 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4433 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
4434 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4435 i++; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4436 continue; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4437 } \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4438 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4439 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4440 is.putback (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4441 break; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4442 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4443 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4444 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4445 if (i != n) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4446 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4447 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4448 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4449
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4450 #define DO_PCT_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4451 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4452 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4453 int c = is.get (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4454 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4455 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4456 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4457 if (c != '%') \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4458 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4459 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4460 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4461 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4462 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4463 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4464 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4465 } \
3640
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4466 while (0)
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4467
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4468 #define BEGIN_C_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4469 is.unsetf (std::ios::skipws); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4470 \
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
4471 int width = (elt->width ? elt->width : 1); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4472 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4473 std::string tmp (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4474 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4475 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4476 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4477 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4478 while (is && n < width \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4479 && (c = is.get ()) != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4480 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4481 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4482 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
4483 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4484 \
12984
7626f8934466 correctly resize scanf output for %c formats (bug #34037)
John W. Eaton <jwe@octave.org>
parents: 12966
diff changeset
4485 tmp.resize (n)
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4486
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4487 // 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
4488 // 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
4489 #define BEGIN_S_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4490 int width = elt->width; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4491 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4492 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4493 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4494 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4495 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4496 if (width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4497 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4498 tmp = std::string (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4499 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4500 int c = std::istream::traits_type::eof (); \
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 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4503 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4504 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
4505 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4506 if (! isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4507 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4508 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4509 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4510 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4511 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4512 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4513 while (is && n < width \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4514 && (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
4515 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4516 if (isspace (c)) \
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 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4519 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4520 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4521 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4522 tmp[n++] = static_cast<char> (c); \
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 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4525 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
4526 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4527 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4528 tmp.resize (n); \
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 else \
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 is >> std::ws >> tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4533 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4534 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4535 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4536
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4537 // 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
4538 #define BEGIN_CHAR_CLASS_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4539 int width = elt->width; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4540 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4541 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4542 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4543 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4544 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4545 if (! width) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4546 width = std::numeric_limits<int>::max (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4547 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4548 std::ostringstream buf; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4549 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4550 std::string char_class = elt->char_class; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4551 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4552 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4553 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4554 if (elt->type == '[') \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4555 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4556 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4557 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4558 && (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
4559 && 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
4560 buf << static_cast<char> (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4561 } \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4562 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4563 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4564 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4565 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4566 && (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
4567 && 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
4568 buf << static_cast<char> (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4569 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4570 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4571 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
4572 && 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
4573 is.putback (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4574 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4575 tmp = buf.str (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4576 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4577 if (tmp.empty ()) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4578 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4579 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
4580 is.clear (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4581 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4582 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4583 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4584
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4585 #define FINISH_CHARACTER_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4586 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4587 { \
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
4588 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
4589 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
4590 width = tmp.length (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4591 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4592 if (is) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4593 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4594 int i = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4595 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4596 if (! discard) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4597 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4598 conversion_count++; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4599 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4600 while (i < width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4601 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4602 if (data_index == max_size) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4603 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4604 max_size *= 2; \
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 if (all_char_conv) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4607 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4608 if (one_elt_size_spec) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4609 mval.resize (1, max_size, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4610 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4611 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4612 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4613 panic_impossible (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4614 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4615 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4616 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4617 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4618 mval.resize (max_size, 1, 0.0); \
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 data = mval.fortran_vec (); \
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 \
24496
62a7d3f292d6 Correctly handle reading of characters >127 in scanf family (bug #52681).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24303
diff changeset
4623 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
4624 (tmp[i++]); \
22197
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 } \
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 } \
3410
ee5f222025c3 [project @ 2000-01-07 04:19:05 by jwe]
jwe
parents: 3342
diff changeset
4629 while (0)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
4630
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4631 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4632 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
4633 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
4634 bool one_elt_size_spec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4635 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4636 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4637 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4638 interpreter& interp = __get_interpreter__ ("base_stream::do_scanf");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4639
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4640 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
4641 ::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
4642 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4643
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4644 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4645
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4646 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4647
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4648 octave_idx_type nconv = fmt_list.num_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4649
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4650 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
4651
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4652 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4653 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4654 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4655 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4656
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4657 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
4658 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4659
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4660 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4661
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4662 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
4663
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4664 Matrix mval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4665 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
4666 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
4667
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4668 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
4669 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
4670
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4671 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4672 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4673 // 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
4674 // 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
4675 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4676 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4677 max_size = 512;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4678 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
4679
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4680 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4681 max_conv = nr;
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 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4684 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4685 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4686 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4687 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
4688 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
4689 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4690 else
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 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
4693 max_size = nr * 32;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4696 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4697 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4698 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4699 else if (nr > 0)
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 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4702 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4703 // Will not resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4704 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
4705 max_size = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4706 max_conv = max_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4707 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4708 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4709 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4710 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4711 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
4712 max_size = nr * 32;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4715 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4716 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4717 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4718 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
4719 max_size = 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4720 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4721
26411
ab6b8d8e0307 oct-stream.cc: Fix static analyzer detected V519 issue (bug #55347).
Andreas Weber <octave@josoansi.de>
parents: 26376
diff changeset
4722 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
4723
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4724 if (isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4725 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4726 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4727
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4728 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
4729
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4730 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
4731
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4732 octave_idx_type trips = 0;
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 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
4735
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4736 for (;;)
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 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4739
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4740 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4741 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4742 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
4743 || (! (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
4744 || 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
4745 || elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4746 && 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
4747 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4748 // We are done, either because we have reached the end of the
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4749 // format string and are not cycling through the format again
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4750 // or because we've converted all the values that have been
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4751 // requested and the next format element is a conversion.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4752 // Determine final array size and exit.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4753 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
4754 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4755 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4756 final_nc = data_index;
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 else
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 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4761 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
4762 }
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 break;
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 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
4767 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4768 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4769
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4770 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4771 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4772 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4773 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
4774 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4775 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
4776 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4777 panic_impossible ();
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 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4780 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
4781 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4782 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
4783
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4784 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4785 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4786
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4787 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
4788
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4789 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4790
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4791 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4792 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4793 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
4794 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4795 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4796
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4797 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
4798 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4799 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4800
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4801 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4802 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4803 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4804
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4805 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4806 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4807 switch (elt->modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4808 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4809 case 'h':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4810 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4811 int16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4812 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
4813 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4814 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4815 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4816 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4817
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4818 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4819 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4820 int64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4821 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
4822 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4823 nr, max_size, discard);
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4826
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4827 default:
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 int32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4830 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
4831 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4832 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4833 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4834 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4835 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4836 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4837 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4838
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4839 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
4840 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4841 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4842 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4843 case 'h':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4844 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4845 uint16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4846 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
4847 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4848 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4849 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4850 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4851
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4852 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4853 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4854 uint64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4855 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
4856 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4857 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4858 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4859 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4860
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4861 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4862 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4863 uint32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4864 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
4865 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4866 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4867 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4868 break;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4869 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4870 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4871 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4872
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4873 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
4874 case 'E': case 'G':
23059
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 double tmp;
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 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
4879 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4880 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4881 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4882 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4883
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4884 case 'c':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4885 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4886 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4887
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4888 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4889
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4890 is.setf (flags);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4891 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4892 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4893
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4894 case 's':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4895 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4896 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4897
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4898 FINISH_CHARACTER_CONVERSION ();
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 break;
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 case '[': case '^':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4903 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4904 BEGIN_CHAR_CLASS_CONVERSION ();
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 FINISH_CHARACTER_CONVERSION ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4907 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4908 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4909
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4910 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4911 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
4912 break;
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 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4915 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
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4919 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4920 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4921 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4922 }
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4923 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
4924 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4925 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4926 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4927 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4928 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4929 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4930 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4931 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4932 else if (data_index > nr)
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 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4935 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
4936 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4937 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4938 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4939 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4940 final_nc = 1;
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 else if (nr > 0)
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 if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4946 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4947 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4948 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
4949 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4950 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4951 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4952 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4953 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4954 }
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
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 = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4959 final_nc = 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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4962 // 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
4963 // 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
4964 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
4965 {
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4966 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
4967 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
4968 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4969
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4970 // 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
4971 if (interp.interactive ()
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
4972 && ! application::forced_interactive ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4973 && name () == "stdin")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4974 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4975 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4976
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4977 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4978 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4979 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
4980 }
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4983 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4984 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4985 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4986 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4987 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
4988 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4989 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4990
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4991 if (nconv == 0 && ++trips == num_fmt_elts)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4992 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4993 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
4994 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4995 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4996 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4997 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4998 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4999 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5000 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5001 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
5002 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5003
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5004 break;
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 else
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 // 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
5009 // 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
5010 // 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
5011 // specified limit).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5012 elt = fmt_list.next (nconv > 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5013 && (max_conv == 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5014 || conversion_count < max_conv));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5015 }
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5018
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5019 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
5020
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5021 retval = mval;
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5022
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5023 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
5024 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
5025
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5026 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5029 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5030 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
5031 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5032 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5033 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5034 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5035
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5036 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5037
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5038 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5041 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5042 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5043 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5044 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
5045
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5046 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
5047 ::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
5048
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5049 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5050 octave_idx_type nc = -1;
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 bool one_elt_size_spec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5053
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5054 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
5055
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5056 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
5057 conversion_count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5058 }
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5063 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5064 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
5065 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
5066 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5067 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5068
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5069 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5070 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5071
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5072 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5073
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5074 std::istream& is = *isp;
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 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
5077
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5078 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5079 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5080 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
5081
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5082 bool discard = elt->discard;
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 switch (elt->type)
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 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
5087 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5088 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5089
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5090 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
5091 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5092 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5093
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5094 case '%':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5095 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5096 DO_PCT_CONVERSION ();
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 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5099 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5100 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5101 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5102
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5103 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5104 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5105 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5106 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5107 case 'h':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5108 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5109 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
5110 if (octave_scan (is, *elt, &tmp))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5111 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5112 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
5113 retval = tmp;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5114 }
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5115 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5116 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5117 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5118 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5119
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5120 case 'l':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5121 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5122 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
5123 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
5124 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5125 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
5126 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
5127 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5128 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5129 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5130 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5131 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5132
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5133 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
5134 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5135 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
5136 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
5137 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5138 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
5139 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
5140 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5141 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5142 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
5143 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5144 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5145 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5146 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5147 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5148
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
5149 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
5150 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5151 switch (elt->modifier)
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5152 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5153 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
5154 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5155 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
5156 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
5157 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5158 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
5159 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
5160 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5161 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5162 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
5163 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5164 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5165
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5166 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
5167 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5168 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
5169 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
5170 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5171 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
5172 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
5173 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5174 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5175 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
5176 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5177 break;
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 default:
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5180 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5181 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
5182 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
5183 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5184 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
5185 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
5186 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5187 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5188 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
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 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5191 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5192 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5193 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5194
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5195 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
5196 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
5197 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5198 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5199
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5200 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
5201 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5202 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5203 retval = tmp;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5204 }
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5205 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5206 quit = true;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5207 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5208 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5209
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5210 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
5211 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5212 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5213
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5214 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5215 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5216
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5217 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5218 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5219
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5220 is.setf (flags);
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 break;
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 case 's':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5225 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5226 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5227
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5228 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5229 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5230
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5231 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5232 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
5233 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5234 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5235
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5236 case '[':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5237 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
5238 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5239 BEGIN_CHAR_CLASS_CONVERSION ();
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 (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5242 retval = tmp;
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 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5245 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
5246 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5247 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5248
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5249 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5250 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
5251 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5252
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5253 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5254 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
5255 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5256 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5257 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5258
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5259 if (ok () && is.fail ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5260 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5261 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
5262
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5263 // 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
5264
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5265 interpreter& interp = __get_interpreter__ ("base_stream::do_oscanf");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5266
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5267 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
5268 && name () == "stdin")
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5269 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5270 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5271 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5272 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
5273 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5274 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5275
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5276 return quit;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5277 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5278
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5279 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5280 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
5281 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5282 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5283
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5284 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5285
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5286 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5287 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5288 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5289 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5290 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5291
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5292 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
5293
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5294 octave_idx_type nconv = fmt_list.num_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5295
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5296 if (nconv == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5297 ::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
5298
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5299 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5300
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5301 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
5302
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5303 retval.resize (nconv+2, Matrix ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5304
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5305 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
5306
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5307 int num_values = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5308
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5309 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5310
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5311 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
5312 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5313 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5314
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5315 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
5316
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5317 if (quit)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5318 break;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5319 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5320 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5321 if (tmp.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5322 retval(num_values++) = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5323
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5324 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5325 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5326
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5327 elt = fmt_list.next (nconv > 0);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5328 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5329 }
23059
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 retval(nconv) = num_values;
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 int err_num;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5334 retval(nconv+1) = error (false, err_num);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5335
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5336 if (! quit)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5337 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5338 // Pick up any trailing stuff.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5339 if (ok () && len > nconv)
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 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5342
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5343 elt = fmt_list.next ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5344
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5345 do_oscanf (elt, tmp, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5346 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5347 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5348 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5349
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5350 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5351 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5352
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5353 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5354 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
5355 octave_idx_type ntimes,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5356 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5357 const std::string& who,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5358 octave_idx_type& read_count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5359 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5360 interpreter& interp = __get_interpreter__ ("base_stream::do_textscan");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5361
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5362 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
5363 ::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
5364 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5365
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5366 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
5367
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5368 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5369
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5370 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5371 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5372 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5373 {
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
5374 textscan scanner (who, encoding ());
23059
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 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
5377 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5378
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5379 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5380 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5381
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5382 // 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
5383 // (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
5384
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5385 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5386 base_stream::flush (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5387 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5388 int retval = -1;
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 std::ostream *os = output_stream ();
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 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5393 invalid_operation ("fflush", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5394 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5395 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5396 os->flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5397
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5398 if (os->good ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5399 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5400 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5401
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5402 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5403 }
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 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5406 printf_value_cache
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5407 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5408 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5409
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5410 enum state { ok, conversion_error };
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 printf_value_cache (const octave_value_list& args, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5413 : values (args), val_idx (0), elt_idx (0),
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5414 n_vals (values.length ()), n_elts (0), have_data (false),
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5415 curr_state (ok)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5416 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5417 for (octave_idx_type i = 0; i < values.length (); i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5418 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5419 octave_value val = values(i);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5420
23587
0c468af9dc00 maint: Deprecate is_object and replace with isobject.
Rik <rik@octave.org>
parents: 23584
diff changeset
5421 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
5422 err_wrong_type_arg (who, val);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5423 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5424 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5425
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5426 // No copying!
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 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
5429
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5430 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
5431
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5432 ~printf_value_cache (void) = default;
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 // 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
5435 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
5436
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
5437 // 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
5438 // 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
5439 // 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
5440
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5441 int int_value (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5442
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5443 operator bool () const { return (curr_state == ok); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5444
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5445 bool exhausted (void) { return (val_idx >= n_vals); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5446
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5447 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5448
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5449 const octave_value_list values;
29342
b50ca5cbfb0f Allow writing full size matrices with dlmwrite (bug #59955).
Rik <rik@octave.org>
parents: 29233
diff changeset
5450 octave_idx_type val_idx;
b50ca5cbfb0f Allow writing full size matrices with dlmwrite (bug #59955).
Rik <rik@octave.org>
parents: 29233
diff changeset
5451 octave_idx_type elt_idx;
b50ca5cbfb0f Allow writing full size matrices with dlmwrite (bug #59955).
Rik <rik@octave.org>
parents: 29233
diff changeset
5452 octave_idx_type n_vals;
b50ca5cbfb0f Allow writing full size matrices with dlmwrite (bug #59955).
Rik <rik@octave.org>
parents: 29233
diff changeset
5453 octave_idx_type n_elts;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5454 bool have_data;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5455 octave_value curr_val;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5456 state curr_state;
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 // 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
5459
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5460 printf_value_cache (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5461 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5462
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5463 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5464 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
5465 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5466 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5467
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5468 if (exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5469 curr_state = conversion_error;
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 while (! exhausted ())
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 if (! have_data)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5474 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5475 curr_val = values (val_idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5476
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5477 elt_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5478 n_elts = curr_val.numel ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5479 have_data = true;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5480 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5481
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5482 if (elt_idx < n_elts)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5483 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5484 if (type == 's')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5485 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5486 if (curr_val.is_string ())
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 dim_vector dv (1, curr_val.numel ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5489 octave_value tmp = curr_val.reshape (dv);
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 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
5492
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5493 retval = sval.substr (elt_idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5494
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5495 // We've consumed the rest of the value.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5496 elt_idx = n_elts;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5497 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5498 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5499 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5500 // 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
5501 // integers in the range [0 : char max]
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5502 const NDArray val = curr_val.array_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5503
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5504 octave_idx_type idx = elt_idx;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5505
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5506 for (; idx < n_elts; idx++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5507 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5508 double dval = val(idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5509
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5510 if (math::x_nint (dval) != dval || dval < 0 || dval > 255)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5511 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5512 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5513
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5514 octave_idx_type n = idx - elt_idx;
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 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5517 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5518 std::string sval (n, '\0');
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 for (octave_idx_type i = 0; i < n; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5521 sval[i] = val(elt_idx++);
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 retval = sval;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5526 retval = curr_val.fast_elem_extract (elt_idx++);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5527 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5528 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5529 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5530 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5531 retval = curr_val.fast_elem_extract (elt_idx++);
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 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
5534 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5535 double dval = retval.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5536
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5537 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
5538 retval = static_cast<char> (dval);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5539 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5540 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5541
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5542 if (elt_idx >= n_elts)
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 elt_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5545 val_idx++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5546 have_data = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5547 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5548
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5549 break;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5552 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5553 val_idx++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5554 have_data = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5555
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5556 if (n_elts == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5557 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5558 if (elt_idx == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5559 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5560 if (type == 's' || type == 'c')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5561 retval = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5562 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5563 retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5564
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5565 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5568 if (exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5569 curr_state = conversion_error;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5570 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5571 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5572 }
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 return retval;
7352
fab9bc33b949 [project @ 2008-01-07 18:54:45 by jwe]
jwe
parents: 7227
diff changeset
5575 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
5576
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5577 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5578 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
5579 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5580 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
5581
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5582 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
5583
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
5584 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
5585 || 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
5586 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5587 curr_state = conversion_error;
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5588 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
5589 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5590
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5591 return math::nint (dval);
23059
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 // Ugh again and again.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5595
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5596 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
5597 static int
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5598 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
5599 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
5600 const std::string& who)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5601 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5602 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5603
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5604 switch (nsa)
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 case 2:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5607 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
5608 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5609
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5610 case 1:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5611 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
5612 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5613
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5614 case 0:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5615 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
5616 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5617
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5618 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5619 ::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
5620 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5623 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5624 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5625
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
5626 static std::size_t
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5627 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
5628 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
5629 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
5630 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5631 if (nsa > 2)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5632 ::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
5633
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5634 std::string flags = elt->flags;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5635
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5636 bool left = flags.find ('-') != std::string::npos;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5637
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
5638 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
5639
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5640 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
5641
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5642 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
5643 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
5644 {
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
5645 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
5646 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
5647 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
5648 }
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5649
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
5650 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
5651
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5652 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
5653
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5654 return len > fw ? len : fw;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5655 }
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 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5658 is_nan_or_inf (const octave_value& val)
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 octave_value ov_isnan = val.isnan ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5661 octave_value ov_isinf = val.isinf ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5662
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5663 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
5664 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5665
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5666 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5667 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
5668 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5669 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
5670
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5671 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5672 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5673 else if (val.isinteger ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5674 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5675 if (val.is_uint64_type ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5676 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5677 octave_uint64 ival = val.uint64_scalar_value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5678
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5679 if (ival.value () <= limit)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5680 return true;
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 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5683 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5684 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5685 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5686 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5687 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5688
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5689 if (dval == math::fix (dval) && dval <= limit)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5690 return true;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5693 return false;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5696 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5697 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
5698 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5699 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5700 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5701 else if (val.isinteger ())
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 // Easier than dispatching here...
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 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
5706 = 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
5707
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5708 return ov_is_ge_zero.is_true ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5709 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5710 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5711 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5712 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5713
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5714 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
5715
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5716 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
5717 return true;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5720 return false;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5723 static std::string
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5724 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
5725 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5726 std::string tfmt = elt->text;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5727
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5728 tfmt.replace (tfmt.rfind (elt->type), 1, "g");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5729
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5730 return tfmt;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5731 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5732
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5733 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5734 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
5735 const printf_format_elt *elt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5736 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
5737 const octave_value& val,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5738 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5739 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5740 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5741
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5742 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
5743
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5744 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
5745 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5746 double dval = val.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5747
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5748 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
5749
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5750 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
5751
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5752 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
5753 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5754 tfmt.erase (i2, i1-i2);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5755 if (elt->prec == -2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5756 nsa--;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5757 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5758
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5759 const char *tval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5760 if (lo_ieee_isinf (dval))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5761 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5762 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
5763 tval = (dval < 0 ? "-Inf" : "+Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5764 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5765 tval = (dval < 0 ? "-Inf" : "Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5766 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5767 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5768 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5769 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
5770 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
5771 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5772 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
5773 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5774
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5775 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
5776 sa_2, tval, who);
23059
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 else
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 static std::string llmod
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
5781 = (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
5782
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5783 char type = elt->type;
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 switch (type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5786 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5787 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
5788 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
5789 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5790 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
5791
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5792 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5793 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
5794
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5795 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
5796 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
5797 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5798 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5799 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5800 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
5801
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5802 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
5803
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5804 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
5805 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
5806 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5807 break;
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 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
5810 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
5811 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5812 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
5813
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5814 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5815 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
5816
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5817 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
5818 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
5819 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5820 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5821 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5822 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
5823
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5824 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
5825
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5826 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
5827 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
5828 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5829 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5830
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5831 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
5832 case 'g': case 'G':
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5833 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5834 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
5835
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5836 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
5837 sa_1, sa_2, dval, who);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5838 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5839 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5840
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5841 default:
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
5842 // 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
5843 // 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
5844 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
5845 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5846 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5847 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5848 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5851 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5852
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
5853 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
5854 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
5855 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5856 ::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
5857 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
5858 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5859
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5860 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5861 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
5862 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5863 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5864 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5865 int retval = 0;
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 octave_idx_type nconv = fmt_list.num_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5868
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5869 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5870
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5871 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5872 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5873 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5874 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5875 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5876
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
5877 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
5878
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5879 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
5880
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5881 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
5882
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5883 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5884 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5885 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5886
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5887 if (! elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5888 ::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
5889
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5890 // 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
5891 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
5892
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5893 int sa_1 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5894 int sa_2 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5895
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5896 if (nsa > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5897 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5898 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
5899
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5900 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
5901 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5902 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
5903 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
5904 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5905 else
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 if (nsa > 1)
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 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
5910
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5911 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
5912 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5913 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
5914 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
5915 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5916 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5917 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5918 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5919
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5920 if (elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5921 {
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5922 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
5923 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
5924 else
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5925 os << '%';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5926 retval++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5927 }
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5928 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
5929 {
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5930 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
5931 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
5932 else
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5933 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
5934 retval += (elt->text.length ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5935 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5936 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
5937 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5938 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
5939
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5940 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5941 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5942 if (val.is_string ())
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 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
5945
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5946 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
5947 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
5948 who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5949 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5950 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5951 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
5952 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5953 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5954 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5955 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5956 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5957 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5958 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5959 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
5960
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5961 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5962 {
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23576
diff changeset
5963 if (! val.isempty ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5964 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
5965 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5966 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5967 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5968 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5971 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5972 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5973 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5974 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5977 elt = fmt_list.next (nconv > 0 && ! val_cache.exhausted ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5978
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5979 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
5980 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5981 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5984 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5985 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5988 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
5989 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5990 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5991 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5992 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
5993
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5994 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
5995 ::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
5996
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5997 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
5998 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5999
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6000 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6001 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
6002 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6003 int retval = -1;
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 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6006
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6007 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6008 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6009 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6010 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6011 std::ostream& os = *osp;
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 os << s;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6014
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6015 if (! os)
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6016 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6017 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6018 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6019 // 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
6020 // 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
6021 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6022 // 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
6023 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6024 // 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
6025 os.flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6026
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6027 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6028 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6029 else
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6030 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6031 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6034 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6035 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6037 // 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
6038
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6039 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6040 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
6041 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6042 err_num = (m_fail ? -1 : 0);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6043
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6044 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
6045
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6046 if (clear_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6047 clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6048
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6049 return tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6050 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6051
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6052 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6053 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
6054 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6055 // 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
6056 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
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6060 stream::flush (void)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6063
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6064 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6065 retval = m_rep->flush ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6066
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6067 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6068 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6069
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6070 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6071 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
6072 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6073 std::string retval;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6076 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
6077
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6078 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6079 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6082 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
6083 const std::string& who)
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 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6086
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6087 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6088
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6089 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6090
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6091 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
6092 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6093 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
6094
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6095 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
6096 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6097 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6098 ::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
6099 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6102 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
6103 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6104
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6105 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6106 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
6107 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6108 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6109
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6110 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6111 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
6112
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6113 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6116 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6117 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
6118 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6119 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6120 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6121
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6122 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6123
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6124 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6125
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6126 if (tc_max_len.is_defined ())
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 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
6129
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6130 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
6131 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6132 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6133 ::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
6134 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6135 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6136
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6137 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
6138 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6139
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6140 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6141 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
6142 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6143 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6144
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6145 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6146 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
6147
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6148 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6149 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6150
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6151 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6152 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
6153 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6154 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6155 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6156
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6157 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6158
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6159 int count = 1;
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 if (tc_count.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6162 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6163 if (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
6164 && 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
6165 count = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6166 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6167 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6168 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
6169
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6170 if (conv_err || count < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6171 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6172 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6173 ::error ("%s: invalid number of lines specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6174 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6178 return skipl (count, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6179 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6180
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6181 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6182 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
6183 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6184 int status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6185
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6186 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6187 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6188 clearerr ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6189
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6190 // 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
6191 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
6192
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6193 // 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
6194 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
6195
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6196 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6197 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6198 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
6199
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6200 if (origin == SEEK_CUR)
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 // 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
6203 // 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
6204 // location.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6205 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
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 // 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
6209 // existing file.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6210 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
6211
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6212 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6213 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6214 // Where are we after moving to desired position?
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6215 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
6216
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6217 // 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
6218 // but we'll check anyway...
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6219 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
6220 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6221 // Seek outside bounds of file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6222 // Failure should leave position unchanged.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6223 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
6224
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6225 status = -1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6228 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6229 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6230 // 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
6231 // Move back to original position and return failure status.
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 status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6235 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6236 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6237 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6238
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6239 return status;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6242 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6243 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
6244 const octave_value& tc_origin)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6245 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6246 int retval = -1;
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 // 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
6249 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
6250 off_t xoffset = val.value ();
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 int conv_err = 0;
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 int origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6255
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6256 if (tc_origin.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6257 {
26364
2398d2cc3d70 oct-stream.cc: Fix static analyzer detected V601 issue (bug #55347)
Andreas Weber <octave@josoansi.de>
parents: 26164
diff changeset
6258 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
6259
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6260 if (xorigin == "bof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6261 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6262 else if (xorigin == "cof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6263 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6264 else if (xorigin == "eof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6265 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6266 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6267 conv_err = -1;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6270 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6271 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
6272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6273 if (! conv_err)
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 if (xorigin == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6276 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6277 else if (xorigin == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6278 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6279 else if (xorigin == 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6280 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6281 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6282 conv_err = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6283 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6284 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6285
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6286 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6287 ::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
6288
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6289 retval = seek (xoffset, origin);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6290
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6291 if (retval != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6292 // 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
6293 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
6294
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6295 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6296 }
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6299 stream::tell (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6300 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6301 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6302
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6303 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6304 retval = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6305
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6306 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6307 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6308
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6309 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6310 stream::rewind (void)
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 return seek (0, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6313 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6314
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6315 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6316 stream::is_open (void) const
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 bool retval = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6319
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6320 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6321 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
6322
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6323 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6326 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6327 stream::close (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6328 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6329 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6330 m_rep->close ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6331 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6332
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6333 template <typename SRC_T, typename DST_T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6334 static octave_value
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6335 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
6336 octave_idx_type input_buf_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6337 octave_idx_type elts_read,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6338 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
6339 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
6340 mach_info::float_format from_flt_fmt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6341 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6342 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
6343
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6344 DST_T conv (dim_vector (nr, nc));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6345
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6346 dst_elt_type *conv_data = conv.fortran_vec ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6347
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6348 octave_idx_type j = 0;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6349
25343
4d7790d9793f use cbegin, crbegin, cend, and crend and auto decls where possible
John W. Eaton <jwe@octave.org>
parents: 25342
diff changeset
6350 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
6351 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6352 SRC_T *data = static_cast<SRC_T *> (*it);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6353
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6354 if (swap || do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6355 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6356 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6357 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6358 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
6359 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6360 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6361 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6362 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6363 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6364 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
6365 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6366 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6367
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6368 // 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
6369 // Bug #59830.
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6370 // 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
6371 // 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
6372 // 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
6373 // conv_data[j] = tmp;
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6374
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6375 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6376 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6377 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6378 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6379 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6380 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
6381 i++, j++)
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 (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6384 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6385 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6386 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
6387 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6388 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6389
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6390 conv_data[j] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6391 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6392 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6393 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6394 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6395 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6396 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6397 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6398 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
6399 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6400 {
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6401 // 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
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++)
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6409 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6410 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6411 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6412
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6413 delete [] data;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6414 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6415
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6416 input_buf_list.clear ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6417
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6418 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
6419 conv_data[i] = dst_elt_type (0);
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 return conv;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6424 typedef octave_value (*conv_fptr)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6425 (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
6426 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
6427 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
6428 mach_info::float_format from_flt_fmt);
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6429
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6430 #define TABLE_ELT(T, U, V, W) \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6431 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
6432
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6433 #define FILL_TABLE_ROW(T, V) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6434 TABLE_ELT (T, dt_int8, V, int8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6435 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6436 TABLE_ELT (T, dt_int16, V, int16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6437 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6438 TABLE_ELT (T, dt_int32, V, int32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6439 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6440 TABLE_ELT (T, dt_int64, V, int64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6441 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6442 TABLE_ELT (T, dt_single, V, FloatNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6443 TABLE_ELT (T, dt_double, V, NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6444 TABLE_ELT (T, dt_char, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6445 TABLE_ELT (T, dt_schar, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6446 TABLE_ELT (T, dt_uchar, V, charNDArray); \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6447 TABLE_ELT (T, dt_logical, V, boolNDArray);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6448
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6449 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6450 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
6451 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
6452 octave_idx_type elts_read,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6453 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
6454 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
6455 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
6456 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
6457 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6458 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6459
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6460 static bool initialized = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6462 // 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
6463
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6464 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
6465
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6466 if (! initialized)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6467 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6468 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
6469 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
6470 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
6471
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6472 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
6473 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
6474 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
6475 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
6476 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
6477 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
6478 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
6479 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
6480 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
6481 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
6482 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
6483 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
6484 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
6485 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
6486
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6487 initialized = true;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6490 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6491
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6492 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
6493 ffmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6494
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6495 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
6496 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
6497 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6498 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
6499
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6500 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
6501 || 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
6502 && ffmt != float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6503
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6504 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
6505
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6506 switch (output_type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6507 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6508 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
6509 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
6510 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
6511 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
6512 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
6513 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
6514 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
6515 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
6516 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
6517 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
6518 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
6519 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
6520 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
6521 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
6522 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6523 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
6524
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6525 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
6526 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
6527 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6528 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6529
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6530 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6531 ::error ("read: invalid type specification");
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
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6534 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6535 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6536
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6537 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6538 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
6539 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
6540 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
6541 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
6542 octave_idx_type& count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6543 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6544 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6545
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6546 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
6547 return retval;
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6548
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6549 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6550 octave_idx_type nc = -1;
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 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
6553
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6554 // 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
6555
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6556 // 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
6557 // 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
6558 // oct_data_conv class.
23059
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 // 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
6561 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
6562
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6563 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
6564
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6565 try
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6566 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6567 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
6568 }
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6569 catch (const execution_exception&)
23059
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 invalid_operation ("fread", "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6572
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6573 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6574 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6575
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6576 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6577 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6578 // 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
6579
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6580 // 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
6581 // number of rows.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6582
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6583 // 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
6584 // 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
6585
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6586 if (nr == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6587 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6588 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6589 nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6590 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6591 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6592 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6593 // 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
6594 // specification and one is nonzero.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6595
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6596 // 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
6597 // should be.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6598
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6599 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6600 nr = nc = 0;
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 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
6604
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6605 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
6606
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6607 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
6608
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6609 if (skip == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6610 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6611 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6612 input_buf_elts = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6613 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6614 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
6615 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6616 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6617 input_buf_elts = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6618
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6619 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
6620 = 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
6621
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
6622 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
6623 = 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
6624
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6625 assert (input_buf_size >= 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6626
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6627 // 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
6628 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6631 error ("fread: invalid input stream");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6632 else
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 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6635
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6636 // 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
6637 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
6638 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
6639 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
6640 {
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6641 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
6642 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
6643 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
6644 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
6645 }
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6646
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6647 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
6648
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6649 while (is && ! is.eof ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6650 && (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
6651 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6652 if (! read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6653 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6654 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
6655
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6656 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
6657 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
6658 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6659
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6660 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
6661
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6662 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
6663
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
6664 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
6665
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6666 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
6667 cur_pos += gcount;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6668
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6669 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
6670
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6671 tmp_count += nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6672
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6673 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
6674
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6675 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
6676 {
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6677 // Attempt to skip.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6678 // 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
6679 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
6680
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6681 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
6682 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6683 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
6684 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
6685 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6686 else
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6687 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6688 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
6689 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
6690 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6691 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6694 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6695 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6696 if (nc < 0)
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 nc = tmp_count / nr;
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 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6701 nc++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6702 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6703 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6704 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6705 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6706 else if (tmp_count == 0)
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 nr = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6709 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6710 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6711 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
6712 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6713 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6714 nc = tmp_count / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6715 else
22996
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6716 nc = tmp_count / nr;
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6717
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6718 if (tmp_count < nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6719 nr = tmp_count;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6722 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
6723 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
6724 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6725 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
6726
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6727 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
6728 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
6729 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6730
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6731 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6734 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6735 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
6736 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
6737 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
6738 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6739 octave_idx_type retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6740
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6741 if (! stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6742 invalid_operation ("fwrite", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6743 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6744 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6745 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
6746 flt_fmt = float_format ();
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 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
6749 skip, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6750
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6751 if (status < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6752 error ("fwrite: write error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6753 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6754 retval = status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6755 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6756
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6757 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6758 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6759
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6760 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6761 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6762 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
6763 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6764 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
6765
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6766 V *vt_data = static_cast<V *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6767
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6768 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
6769 vt_data[i] = tt_data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6770 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6771
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6772 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6773 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6774 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
6775 bool swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6776 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6777 typedef typename V::val_type val_type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6778
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6779 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
6780
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6781 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
6782 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6783 // 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
6784 V val (data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6785
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6786 vt_data[i] = val.value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6787
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6788 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6789 swap_bytes<sizeof (val_type)> (&vt_data[i]);
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 }
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 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6794 class ultimate_element_type
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6795 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6796 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6797 typedef T type;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6800 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6801 class ultimate_element_type<octave_int<T>>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6802 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6803 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6804 typedef T 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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6807 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6808 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6809 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
6810 oct_data_conv::data_type output_type,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6811 mach_info::float_format flt_fmt)
24722
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 bool retval = true;
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 bool swap = false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6816
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6817 if (mach_info::words_big_endian ())
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6818 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
6819 else
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6820 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
6821
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6822 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
6823
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6824 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
6825
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6826 switch (output_type)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6827 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6828 case oct_data_conv::dt_char:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6829 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
6830 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6831
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6832 case oct_data_conv::dt_schar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6833 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
6834 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6835
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6836 case oct_data_conv::dt_uchar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6837 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
6838 break;
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 case oct_data_conv::dt_int8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6841 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
6842 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6843
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6844 case oct_data_conv::dt_uint8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6845 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
6846 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6847
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6848 case oct_data_conv::dt_int16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6849 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
6850 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6851
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6852 case oct_data_conv::dt_uint16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6853 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
6854 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6855
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6856 case oct_data_conv::dt_int32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6857 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
6858 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6859
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6860 case oct_data_conv::dt_uint32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6861 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
6862 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6863
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6864 case oct_data_conv::dt_int64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6865 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
6866 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6867
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6868 case oct_data_conv::dt_uint64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6869 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
6870 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6871
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6872 case oct_data_conv::dt_single:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6873 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6874 float *vt_data = static_cast<float *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6875
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6876 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
6877 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6878 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6879
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6880 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6881 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
6882 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6883 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6884 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6885
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6886 case oct_data_conv::dt_double:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6887 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6888 double *vt_data = static_cast<double *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6889
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6890 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
6891 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6892 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6893
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6894 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6895 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
6896 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6897 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6898 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6899
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6900 default:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6901 ::error ("write: invalid type specification");
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6904 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6905 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6906
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6907 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
6908 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
6909 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6910 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6911
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6912 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6913
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6914 if (osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6915 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6916 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6917
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6918 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6919 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6920 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
6921
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6922 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6923 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6924 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6925 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6926
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6927 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6928 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6929
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6930 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
6931 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
6932 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6933 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6934
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6935 std::ostream *osp = output_stream ();
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 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6938 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6939
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6940 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6941
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6942 // 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
6943 // Otherwise, write NUL to skip.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6944 off_t orig_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6945
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6946 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6947
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6948 off_t eof_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6949
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6950 // 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
6951 seek (orig_pos, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6952
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
6953 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
6954
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6955 if (remaining < skip)
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 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6958
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6959 // 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
6960 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
6961 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
6962 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
6963 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6964 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6965 seek (skip, SEEK_CUR);
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 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6968 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6969
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6970 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6971 }
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 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6974 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6975 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
6976 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
6977 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
6978 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
6979 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6980 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6981
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6982 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
6983 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
6984 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6985 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
6986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6987 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
6988 || 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
6989
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6990 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
6991
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6992 octave_idx_type chunk_size;
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 (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6995 chunk_size = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6996 else if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6997 chunk_size = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6998 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6999 chunk_size = nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7000
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7001 octave_idx_type i = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7002
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7003 const T *pdata = data.data ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7005 while (i < nel)
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 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7008 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7009 if (! skip_bytes (skip))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7010 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7011 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7013 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
7014
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7015 if (chunk_size > remaining_nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7016 chunk_size = remaining_nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7017
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7018 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7019
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7020 if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7021 {
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
7022 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
7023 = 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
7024
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7025 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
7026
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7027 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
7028 output_type, flt_fmt);
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 if (status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7031 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
7032 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7033 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7034 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
7035
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7036 if (! status)
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 i += chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7040 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7041
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7042 return nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7043 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
7044
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7045 #define INSTANTIATE_WRITE(T) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7046 template \
29233
665c9ed14c97 Set API tags in files in libinterp/corefcn (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
7047 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
7048 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
7049 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
7050 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
7051 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
7052
24476
bb8ae4e9e09d * oct-stream.cc: Fix whitespace in some macro definitions.
John W. Eaton <jwe@octave.org>
parents: 24346
diff changeset
7053 INSTANTIATE_WRITE (octave_int8);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7054 INSTANTIATE_WRITE (octave_uint8);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7055 INSTANTIATE_WRITE (octave_int16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7056 INSTANTIATE_WRITE (octave_uint16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7057 INSTANTIATE_WRITE (octave_int32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7058 INSTANTIATE_WRITE (octave_uint32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7059 INSTANTIATE_WRITE (octave_int64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7060 INSTANTIATE_WRITE (octave_uint64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7061 INSTANTIATE_WRITE (int8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7062 INSTANTIATE_WRITE (uint8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7063 INSTANTIATE_WRITE (int16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7064 INSTANTIATE_WRITE (uint16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7065 INSTANTIATE_WRITE (int32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7066 INSTANTIATE_WRITE (uint32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7067 INSTANTIATE_WRITE (int64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7068 INSTANTIATE_WRITE (uint64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7069 INSTANTIATE_WRITE (bool);
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21335
diff changeset
7070 #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
7071 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
7072 #endif
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7073 INSTANTIATE_WRITE (float);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7074 INSTANTIATE_WRITE (double);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7075
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7076 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7077 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
7078 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
7079 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7080 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7081
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7082 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7083 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
7084
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7085 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7086 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7087
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7088 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7089 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
7090 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
7091 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7092 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7093
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7094 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7095 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7096 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
7097
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7098 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7099 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7100
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7101 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
7102 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7103 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7104 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7105 // 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
7106 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
7107 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7110 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7111
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7112 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7113 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
7114 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7115 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7116
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7117 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7118 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
7119
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7120 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7121 }
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 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7124 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
7125 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7126 octave_value_list retval;
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 if (fmt.is_string ())
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 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
7131
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7132 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7133 sfmt = do_string_escapes (sfmt);
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 retval = oscanf (sfmt, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7136 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7137 else
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 // 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
7140 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
7141 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7142
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7143 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7144 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7145
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7146 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7147 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
7148 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7149 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
7150 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7151 return (stream_ok ()
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7152 ? 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
7153 : octave_value ());
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7156 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7157 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
7158 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7159 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7160 int retval = -1;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7163 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
7164
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7165 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7166 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7167
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7168 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7169 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
7170 const std::string& who)
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 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7173
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7174 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7175 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7176 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
7177
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7178 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7179 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7180
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7181 retval = printf (sfmt, args, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7184 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7185 // 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
7186 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
7187 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7190 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7191
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7192 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7193 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
7194 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7195 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7196
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7197 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7198 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
7199
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7200 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7201 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7202
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7203 // 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
7204
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7205 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7206 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
7207 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7208 int retval = -1;
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 if (tc_s.is_string ())
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 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
7213 retval = puts (s, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7216 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7217 // 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
7218 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
7219 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7220
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7221 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7222 }
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 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7225 stream::eof (void) const
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 int retval = -1;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7230 retval = m_rep->eof ();
23059
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7233 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7234
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7235 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7236 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
7237 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7238 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
7239
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7240 if (stream_ok (false))
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7241 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
7242
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7243 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7244 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7245
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7246 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7247 stream::name (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7248 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7249 std::string retval;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7252 retval = m_rep->name ();
23059
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7257 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7258 stream::mode (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7259 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7260 int retval = 0;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7263 retval = m_rep->mode ();
23059
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 return retval;
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
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7268 mach_info::float_format
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7269 stream::float_format (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7270 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7271 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
7272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7273 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7274 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
7275
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7276 return 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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7279 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7280 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
7281 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7282 std::string retval = "???";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7283 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
7284
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7285 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
7286 retval = "r";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7287 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
7288 || 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
7289 retval = "w";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7290 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
7291 retval = "a";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7292 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
7293 retval = "r+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7294 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
7295 retval = "w+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7296 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
7297 retval = "a+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7298 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
7299 retval = "rb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7300 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
7301 || 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
7302 retval = "wb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7303 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
7304 retval = "ab";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7305 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
7306 retval = "r+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7307 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
7308 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7309 retval = "w+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7310 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
7311 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7312 retval = "a+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7313
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7314 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7315 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7316
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7317 stream_list::stream_list (interpreter& interp)
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7318 : 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
7319 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
7320 {
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7321 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
7322
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7323 // 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
7324 // 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
7325
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7326 // 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
7327
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7328 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
7329
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7330 stream stdout_stream
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7331 = 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
7332
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7333 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
7334
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7335 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
7336 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
7337 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
7338 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7339
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7340 stream_list::~stream_list (void)
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7341 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7342 clear ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7343 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7344
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7345 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
7346 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7347 // 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
7348
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7349 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
7350
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7351 if (stream_number == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7352 return stream_number;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7353
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7354 // Should we test for
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7355 //
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7356 // (m_list.find (stream_number) != m_list.end ()
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7357 // && 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
7358 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7359 // 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
7360 // 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
7361 // 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
7362 // 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
7363 // 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
7364 // 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
7365 // before.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7366
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7367 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
7368 ::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
7369
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7370 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
7371
6757
c3cd7d14fc5e [project @ 2007-06-25 19:06:42 by jwe]
jwe
parents: 6708
diff changeset
7372 return stream_number;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7373 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7374
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7375 OCTAVE_NORETURN static
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7376 void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7377 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
7378 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7379 if (who.empty ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7380 ::error ("invalid stream number = %d", fid);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7381 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7382 ::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
7383 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7384
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7385 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
7386 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7387 stream retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7388
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7389 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7390 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
7391
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7392 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
7393 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
7394 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7395 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7396 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7397
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7398 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
7399 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
7400
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7401 retval = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7402 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7403 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7404
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7405 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7406 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7407
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7408 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
7409 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
7410 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7411 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
7412
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7413 return lookup (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7414 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7415
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7416 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
7417 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7418 // 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
7419 if (fid < 3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7420 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
7421
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7422 auto iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7423
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7424 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
7425 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
7426
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7427 stream os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7428 m_list.erase (iter);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7429 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
7430
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7431 // FIXME: is this check redundant?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7432 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7433 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
7434
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7435 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7436
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7437 return 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7438 }
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 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
7441 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7442 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7443
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7444 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
7445 {
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7446 clear (false);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7447
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7448 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7449 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7450 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7451 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7452 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
7453
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7454 retval = remove (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7455 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7456
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7457 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7458 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7459
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7460 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
7461 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7462 if (flush)
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 // Flush stdout and stderr.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7465 m_list[1].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7466 m_list[2].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7467 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7468
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7469 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
7470 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7471 int fid = iter->first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7472 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
7473 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7474 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7475 continue;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7478 stream os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7479
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7480 std::string name = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7481 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
7482
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7483 // 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
7484 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
7485 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7486 // 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
7487 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7488 continue;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7489 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7490
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7491 // 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
7492 if (os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7493 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7494
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7495 m_list.erase (iter++);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7496 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7497
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7498 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
7499 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7500
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7501 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
7502 {
26705
c13143821eef Add front-end support for encodings in "fopen" (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26703
diff changeset
7503 string_vector retval (4);
23059
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 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7506 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7507
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7508 stream os;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7509 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
7510 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
7511 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7512 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7513 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7514
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7515 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
7516 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7517
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7518 os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7519 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7520 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7521
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7522 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7523 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7524
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7525 retval(0) = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7526 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
7527 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
7528 retval(3) = os.encoding ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7529
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7530 return retval;
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7533 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
7534 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7535 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7536
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
7537 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
7538 ::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
7539
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7540 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
7541
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7542 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7543 ::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
7544
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7545 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
7546 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7547
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7548 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
7549 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7550 std::ostringstream buf;
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 buf << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7553 << " number mode arch name\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7554 << " ------ ---- ---- ----\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7555
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7556 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
7557 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7558 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7559
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7560 buf << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7561 << std::setiosflags (std::ios::right)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7562 << std::setw (4) << fid_strm.first << " "
19123
c8f03ccdc9ee Align columns for freport() output.
Rik <rik@octave.org>
parents: 18676
diff changeset
7563 // 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
7564 << std::resetiosflags (std::ios::adjustfield)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7565 << std::setiosflags (std::ios::left)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7566 << std::setw (3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7567 << 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
7568 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7569 << 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
7570 << 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
7571 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7572 << os.name () << "\n";
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7575 buf << "\n";
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 return buf.str ();
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7580 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
7581 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7582 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
7583
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7584 int num_open = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7585
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7586 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
7587 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7588 // Skip stdin, stdout, and stderr.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7589 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
7590 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
7591 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7592
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7593 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
7594
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7595 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7596 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7597
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7598 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
7599 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7600 int retval = -1;
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 if (fid.is_string ())
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 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
7605
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7606 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
7607 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7608 // 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
7609 if (fid_strm.first > 2)
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 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7612
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7613 if (os && os.name () == nm)
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 retval = fid_strm.first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7616 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7617 }
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 }
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
7621 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
7622 ::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
7623 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7624 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7625 int conv_err = 0;
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 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
7628
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7629 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7630 ::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
7631
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7632 retval = int_fid;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7633 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7634
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7635 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7636 }
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7637
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7638 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
7639 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7640 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
7641 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7642
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7643 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
7644 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7645 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
7646 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7647
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7648 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
7649 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7650 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
7651 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7652 }