annotate libinterp/corefcn/oct-stream.cc @ 30787:76398dfe2d55

fputs: Use character encoding of file stream (bug #61839). * libinterp/corefcn/oct-stream.cc (base_stream::puts): Convert to encoding that was selected when opening the file stream.
author Markus Mützel <markus.muetzel@gmx.de>
date Sun, 27 Feb 2022 14:44:00 +0100
parents 4335606e41ac
children 5fbc41f7a8d1
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) 1996-2022 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <cassert>
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31 #include <cctype>
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32 #include <cstring>
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33
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34 #include <algorithm>
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35 #include <deque>
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36 #include <fstream>
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37 #include <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 #include "strcase-wrappers.h"
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53
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54 #include "error.h"
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55 #include "errwarn.h"
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56 #include "input.h"
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57 #include "interpreter-private.h"
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58 #include "interpreter.h"
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59 #include "octave.h"
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60 #include "oct-iostrm.h"
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61 #include "oct-stdstrm.h"
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62 #include "oct-string.h"
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63 #include "oct-stream.h"
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64 #include "ov.h"
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65 #include "ovl.h"
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66 #include "pager.h"
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67 #include "utils.h"
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68
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69 namespace octave
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70 {
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71 // Programming Note: There are two very different error functions used
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72 // in the stream code. When invoked with "error (...)" the member
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73 // function from stream or base_stream is called. This
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74 // function sets the error state on the stream AND returns control to
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75 // the caller. The caller must then return a value at the end of the
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76 // function. When invoked with "::error (...)" the exception-based
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77 // error function from error.h is used. This function will throw an
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78 // exception and not return control to the caller. BE CAREFUL and
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79 // invoke the correct error function!
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80
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81 // Possible values for conv_err:
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82 //
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83 // 1 : not a real scalar
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84 // 2 : value is NaN
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85 // 3 : value is not an integer
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86
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87 static int
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88 convert_to_valid_int (const octave_value& tc, int& conv_err)
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89 {
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90 conv_err = 0;
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91
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92 int retval = 0;
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93
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94 double dval = 0.0;
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95
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96 try
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97 {
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98 dval = tc.double_value ();
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99 }
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100 catch (const execution_exception&)
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101 {
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102 interpreter& interp = __get_interpreter__ ("convert_to_valid_int");
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103
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104 interp.recover_from_exception ();
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105
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106 conv_err = 1;
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107 }
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108
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109 if (! conv_err)
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110 {
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111 if (! lo_ieee_isnan (dval))
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112 {
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113 int ival = math::nint (dval);
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114
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115 if (ival == dval)
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116 retval = ival;
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117 else
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118 conv_err = 3;
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119 }
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120 else
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121 conv_err = 2;
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122 }
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123
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124 return retval;
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125 }
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126
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127 static octave_idx_type
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128 get_size (double d, const std::string& who)
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129 {
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130 octave_idx_type retval = -1;
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131
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132 if (lo_ieee_isnan (d))
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133 ::error ("%s: NaN invalid as size specification", who.c_str ());
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134
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135 if (math::isinf (d))
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136 retval = -1;
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137 else
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138 {
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139 if (d < 0.0)
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140 ::error ("%s: negative value invalid as size specification",
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141 who.c_str ());
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142
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143 if (d > std::numeric_limits<octave_idx_type>::max ())
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144 ::error ("%s: dimension too large for Octave's index type",
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145 who.c_str ());
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146
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147 retval = math::nint_big (d);
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148 }
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149
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150 return retval;
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151 }
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152
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153 static void
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154 get_size (const Array<double>& size,
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155 octave_idx_type& nr, octave_idx_type& nc,
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156 bool& one_elt_size_spec, const std::string& who)
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157 {
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158 nr = -1;
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159 nc = -1;
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160
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161 one_elt_size_spec = false;
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162
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163 double dnr = -1.0;
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164 double dnc = -1.0;
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165
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166 octave_idx_type sz_len = size.numel ();
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167
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168 if (sz_len == 1)
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169 {
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170 one_elt_size_spec = true;
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171
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172 dnr = size(0);
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173
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174 dnc = (dnr == 0.0) ? 0.0 : 1.0;
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175 }
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176 else if (sz_len == 2)
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177 {
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178 dnr = size(0);
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179
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180 if (math::isinf (dnr))
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181 ::error ("%s: infinite value invalid as size specification",
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182 who.c_str ());
24722
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183
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184 dnc = size(1);
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185 }
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186 else
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187 ::error ("%s: invalid size specification (must be 2-D)", who.c_str ());
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188
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189 nr = get_size (dnr, who);
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190
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191 if (dnc >= 0.0)
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192 {
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193 nc = get_size (dnc, who);
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194
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195 // Check for overflow.
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196 if (nr > 0 && nc > 0
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197 && nc > std::numeric_limits<octave_idx_type>::max () / nr)
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198 ::error ("%s: size too large for Octave's index type", who.c_str ());
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199 }
24722
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200 }
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201
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202 static std::string
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203 expand_char_class (const std::string& s)
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204 {
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205 std::string retval;
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206
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207 std::size_t len = s.length ();
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208
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209 std::size_t i = 0;
24722
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210
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211 while (i < len)
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212 {
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213 unsigned char c = s[i++];
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214
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215 if (c == '-' && i > 1 && i < len
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216 && ( static_cast<unsigned char> (s[i-2])
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217 <= static_cast<unsigned char> (s[i])))
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218 {
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219 // Add all characters from the range except the first (we
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220 // already added it below).
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221
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222 for (c = s[i-2]+1; c < s[i]; c++)
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223 retval += c;
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224 }
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225 else
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226 {
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227 // Add the character to the class. Only add '-' if it is
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228 // the last character in the class.
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229
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230 if (c != '-' || i == len)
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231 retval += c;
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232 }
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233 }
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234
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235 return retval;
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236 }
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237
23059
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238 class
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239 scanf_format_elt
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240 {
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241 public:
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242
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243 enum special_conversion
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
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244 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
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245 whitespace_conversion = 1,
078b795c5219 maint: style check C++ ahead of 4.4 release.
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246 literal_conversion = 2,
078b795c5219 maint: style check C++ ahead of 4.4 release.
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247 null = 3
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248 };
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249
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250 scanf_format_elt (const std::string& txt = "", int w = 0, bool d = false,
23059
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251 char typ = '\0', char mod = '\0',
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252 const std::string& ch_class = "")
24753
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253 : text (txt), width (w), discard (d), type (typ),
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254 modifier (mod), char_class (ch_class)
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255 { }
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256
24991
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257 scanf_format_elt (const scanf_format_elt&) = default;
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258
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259 scanf_format_elt& operator = (const scanf_format_elt&) = default;
24753
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260
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261 ~scanf_format_elt (void) = default;
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262
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263 // The C-style format string.
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264 std::string text;
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265
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266 // The maximum field width.
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diff changeset
267 int width;
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268
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269 // TRUE if we are not storing the result of this conversion.
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270 bool discard;
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271
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272 // Type of conversion -- 'd', 'i', 'o', 'u', 'x', 'e', 'f', 'g',
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273 // 'c', 's', 'p', '%', or '['.
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274 char type;
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275
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276 // A length modifier -- 'h', 'l', or 'L'.
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277 char modifier;
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278
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279 // The class of characters in a '[' format.
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280 std::string char_class;
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281 };
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282
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283 class
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284 scanf_format_list
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285 {
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286 public:
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287
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288 scanf_format_list (const std::string& fmt = "");
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289
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290 // No copying!
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291
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292 scanf_format_list (const scanf_format_list&) = delete;
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293
b98ebcd7f11c move some octave stream classes into octave namespace
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294 scanf_format_list& operator = (const scanf_format_list&) = delete;
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295
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296 ~scanf_format_list (void);
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297
30166
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298 octave_idx_type num_conversions (void) { return m_nconv; }
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299
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300 // The length can be different than the number of conversions.
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301 // For example, "x %d y %d z" has 2 conversions but the length of
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302 // the list is 3 because of the characters that appear after the
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303 // last conversion.
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304
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305 std::size_t length (void) const { return m_fmt_elts.size (); }
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306
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307 const scanf_format_elt * first (void)
2117
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308 {
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309 m_curr_idx = 0;
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310 return current ();
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311 }
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312
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313 const scanf_format_elt * current (void) const
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314 {
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315 return length () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
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316 }
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317
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318 const scanf_format_elt * next (bool cycle = true)
3640
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319 {
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320 static scanf_format_elt dummy
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
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321 ("", 0, false, scanf_format_elt::null, '\0', "");
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322
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diff changeset
323 m_curr_idx++;
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324
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325 if (m_curr_idx >= length ())
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326 {
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327 if (cycle)
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328 m_curr_idx = 0;
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329 else
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330 return &dummy;
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331 }
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332
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333 return current ();
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334 }
21517
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335
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336 void printme (void) const;
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337
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338 bool ok (void) const { return (m_nconv >= 0); }
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339
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340 operator bool () const { return ok (); }
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341
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342 bool all_character_conversions (void);
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343
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344 bool all_numeric_conversions (void);
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345
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346 private:
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347
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diff changeset
348 void add_elt_to_list (int width, bool discard, char type, char modifier,
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diff changeset
349 const std::string& char_class = "");
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diff changeset
350
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
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diff changeset
351 void process_conversion (const std::string& s, std::size_t& i,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
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diff changeset
352 std::size_t n, int& width, bool& discard,
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
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diff changeset
353 char& type, char& modifier);
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354
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diff changeset
355 int finish_conversion (const std::string& s, std::size_t& i, std::size_t n,
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
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diff changeset
356 int width, bool discard, char& type,
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357 char modifier);
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358
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diff changeset
359 //--------
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360
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361 // Number of conversions specified by this format string, or -1 if
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diff changeset
362 // invalid conversions have been found.
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diff changeset
363 octave_idx_type m_nconv;
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diff changeset
364
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
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diff changeset
365 // Index to current element;
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diff changeset
366 std::size_t m_curr_idx;
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diff changeset
367
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diff changeset
368 // List of format elements.
30390
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diff changeset
369 std::deque<scanf_format_elt *> m_fmt_elts;
30166
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diff changeset
370
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diff changeset
371 // Temporary buffer.
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diff changeset
372 std::ostringstream m_buf;
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diff changeset
373
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374 };
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diff changeset
375
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diff changeset
376 scanf_format_list::scanf_format_list (const std::string& s)
30166
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diff changeset
377 : m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
23059
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378 {
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diff changeset
379 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
380
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
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diff changeset
381 std::size_t i = 0;
23059
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diff changeset
382
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diff changeset
383 int width = 0;
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diff changeset
384 bool discard = false;
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diff changeset
385 char modifier = '\0';
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diff changeset
386 char type = '\0';
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diff changeset
387
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diff changeset
388 bool have_more = true;
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diff changeset
389
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diff changeset
390 while (i < n)
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diff changeset
391 {
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diff changeset
392 have_more = true;
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diff changeset
393
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diff changeset
394 if (s[i] == '%')
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diff changeset
395 {
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diff changeset
396 // Process percent-escape conversion type.
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diff changeset
397
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diff changeset
398 process_conversion (s, i, n, width, discard, type, modifier);
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diff changeset
399
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diff changeset
400 have_more = (m_buf.tellp () != 0);
23059
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diff changeset
401 }
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diff changeset
402 else if (isspace (s[i]))
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diff changeset
403 {
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
404 type = scanf_format_elt::whitespace_conversion;
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diff changeset
405
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diff changeset
406 width = 0;
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John W. Eaton <jwe@octave.org>
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diff changeset
407 discard = false;
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John W. Eaton <jwe@octave.org>
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diff changeset
408 modifier = '\0';
30166
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Rik <rik@octave.org>
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diff changeset
409 m_buf << ' ';
23059
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diff changeset
410
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
411 while (++i < n && isspace (s[i]))
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diff changeset
412 ; // skip whitespace
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John W. Eaton <jwe@octave.org>
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diff changeset
413
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
414 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
415
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
416 have_more = false;
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diff changeset
417 }
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diff changeset
418 else
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diff changeset
419 {
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diff changeset
420 type = scanf_format_elt::literal_conversion;
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diff changeset
421
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diff changeset
422 width = 0;
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diff changeset
423 discard = false;
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John W. Eaton <jwe@octave.org>
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diff changeset
424 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
425
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
426 while (i < n && ! isspace (s[i]) && s[i] != '%')
30166
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Rik <rik@octave.org>
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diff changeset
427 m_buf << s[i++];
23059
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diff changeset
428
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
429 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
430
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
431 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
432 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
433
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
434 if (m_nconv < 0)
23059
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 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
437 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
438 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
439 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
440
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
441 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
442 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
443
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
444 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
445 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
446 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
447
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
448 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
449 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
450 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
451
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
452 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
453 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
454 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
455 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
456 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
457 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
458
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
459 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
460 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
461 char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
462 const std::string& char_class)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
463 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
464 std::string text = m_buf.str ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
465
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
466 if (! text.empty ())
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 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
469 = 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
470 modifier, char_class);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
471
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
472 m_fmt_elts.push_back (elt);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
473 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
474
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
475 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
476 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
477 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
478
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
479 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
480 scanf_format_list::process_conversion (const std::string& s, std::size_t& i,
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
481 std::size_t n, int& width,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
482 bool& discard, char& type,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
483 char& modifier)
23059
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 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
486 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
487 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
488 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
489
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
490 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
491
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
492 bool have_width = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
493
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
494 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
495 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
496 switch (s[i])
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 case '*':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
499 if (discard)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
500 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
501 else
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 discard = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
504 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
505 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
506 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
507
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
508 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
509 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
510 if (have_width)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
511 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
512 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
513 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
514 char c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
515 width = 10 * width + c - '0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
516 have_width = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
517 m_buf << c;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
518 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
519 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
520 c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
521 width = 10 * width + c - '0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
522 m_buf << c;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
523 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
524 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
525 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
526
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
527 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
528 if (modifier != '\0')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
529 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
530 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
531 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
532 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
533
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
534 // 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
535 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
536 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
537 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
538 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
539 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
540 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
541 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
542 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
543
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
544 // 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
545 // Matlab behavior.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
546 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
547 case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
548 if (modifier == 'h')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
549 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
550 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
551 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
552 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
553
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
554 // No float or long double conversions, thanks.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
555 m_buf << 'l';
23059
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 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
558
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
559 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
560 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
561 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
562 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
563 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
564 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
565 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
566
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
567 fini:
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
568 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
569 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
570 type, modifier) == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
571 return;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
572 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
573 break;
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 default:
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
576 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
577 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
578 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
579
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
580 if (m_nconv < 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
581 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
582 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
583
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
584 m_nconv = -1;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
585 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
586
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
587 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
588 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
589 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
590 char& type, char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
591 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
592 int retval = 0;
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 std::string char_class;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
595
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
596 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
597 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
598
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
599 if (s[i] == '%')
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 = '%';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
602 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
603 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
604 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
605 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
606 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
607
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
608 if (s[i] == '[')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
609 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
610 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
611
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
612 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
613 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
614 beg_idx = 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 (s[i] == '^')
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 type = '^';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
619 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
620
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
621 if (i < n)
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 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
624
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
625 if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
626 m_buf << s[i++];
23059
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
629 else if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
630 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
631 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
632
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
633 while (i < n && s[i] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
634 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
635
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
636 if (i < n && s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
637 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
638 end_idx = i-1;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
639 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
640 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
641
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
642 if (s[i-1] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
643 retval = m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
644 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
645 else
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
646 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
647
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
648 m_nconv++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
649 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
650
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
651 if (m_nconv >= 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
652 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
653 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
654 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
655 end_idx - beg_idx + 1));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
656
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
657 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
658 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
659
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
660 return retval;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
661 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
662
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
663 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
664 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
665 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
666 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
667
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
668 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
669 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
670 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
671
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
672 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
673 << "width: " << elt->width << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
674 << "discard: " << elt->discard << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
675 << "type: ";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
676
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
677 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
678 std::cerr << "literal text\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
679 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
680 std::cerr << "whitespace\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
681 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
682 std::cerr << elt->type << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
683
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
684 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
685 << "modifier: " << elt->modifier << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
686 << "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
687 << "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
688 }
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
689 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
690
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
691 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
692 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
693 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
694 std::size_t n = m_fmt_elts.size ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
695
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
696 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
697 {
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
698 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
699 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
700 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
701
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
702 switch (elt->type)
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 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
705 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
706 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
707 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
710 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
711 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
712 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
713 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
714
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
715 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
716 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
717 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
718 return false;
21477
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
719 }
4fc04d04dd9c make printf and scanf format element and list objects private
John W. Eaton <jwe@octave.org>
parents: 21475
diff changeset
720
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
721 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
722 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
723 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
724 std::size_t n = m_fmt_elts.size ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
725
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
726 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
727 {
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
728 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
729 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
730 scanf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
731
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
732 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
733 {
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
734 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
735 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
736 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
739 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
740 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
741 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
742 }
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 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
745 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
746 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
747 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
748 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
749
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
750 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
751 printf_format_elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
752 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
753 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
754
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
755 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
756 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
757 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
758 : 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
759 type (typ), modifier (mod)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
760 { }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
761
24991
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
762 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
763
831389905438 omit argument name from default copy ctors and assignment operators
John W. Eaton <jwe@octave.org>
parents: 24753
diff changeset
764 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
765
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
766 ~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
767
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
768 // 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
769 std::string text;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
770
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
771 // 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
772 int args;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
773
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
774 // Field width.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
775 int fw;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
776
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
777 // Precision.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
778 int prec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
779
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
780 // Flags -- '-', '+', ' ', '0', or '#'.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
781 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
782
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
783 // 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
784 // '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
785 char type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
786
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
787 // 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
788 char modifier;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
789 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
790
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
791 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
792 printf_format_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
793 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
794 public:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
795
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
796 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
797
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
798 // No copying!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
799
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
800 printf_format_list (const printf_format_list&) = delete;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
801
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
802 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
803
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
804 ~printf_format_list (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
805
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
806 octave_idx_type num_conversions (void) { return m_nconv; }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
807
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
808 const printf_format_elt * first (void)
4223
5ebaf7eee36e [project @ 2002-12-17 23:54:34 by jwe]
jwe
parents: 4153
diff changeset
809 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
810 m_curr_idx = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
811 return current ();
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
812 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
813
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
814 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
815 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
816 return length () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
817 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
818
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
819 std::size_t length (void) const { return m_fmt_elts.size (); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
820
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
821 const printf_format_elt * next (bool cycle = true)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
822 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
823 m_curr_idx++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
824
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
825 if (m_curr_idx >= length ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
826 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
827 if (cycle)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
828 m_curr_idx = 0;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
829 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
830 return nullptr;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
831 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
832
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
833 return current ();
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
834 }
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
835
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
836 bool last_elt_p (void) { return (m_curr_idx + 1 == length ()); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
837
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
838 void printme (void) const;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
839
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
840 bool ok (void) const { return (m_nconv >= 0); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
841
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
842 operator bool () const { return ok (); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
843
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
844 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
845
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
846 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
847 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
848
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
849 void process_conversion (const std::string& s, std::size_t& i,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
850 std::size_t n,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
851 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
852 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
853
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
854 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
855 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
856 char modifier, char& type);
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
857
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
858 //--------
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
859
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
860 // Number of conversions specified by this format string, or -1 if
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
861 // invalid conversions have been found.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
862 octave_idx_type m_nconv;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
863
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
864 // Index to current element;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
865 std::size_t m_curr_idx;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
866
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
867 // List of format elements.
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
868 std::deque<printf_format_elt *> m_fmt_elts;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
869
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
870 // Temporary buffer.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
871 std::ostringstream m_buf;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
872
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
873 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
874
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
875 printf_format_list::printf_format_list (const std::string& s)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
876 : m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
877 {
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
878 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
879
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
880 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
881
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
882 int args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
883 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
884 int fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
885 int prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
886 char modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
887 char type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
888
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
889 bool have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
890 bool empty_buf = true;
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 if (n == 0)
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 printf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
895 = 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
896
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
897 m_fmt_elts.push_back (elt);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
898 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
899 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
900 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
901 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
902 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
903 have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
904
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
905 empty_buf = (m_buf.tellp () == 0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
906
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
907 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
908 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
909 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
910 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
911 if (empty_buf)
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 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
914 modifier, type);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
915
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
916 // 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
917 // 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
918 // 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
919 // 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
920 // last trip through the loop.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
921
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
922 have_more = (m_buf.tellp () != 0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
923 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
924 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
925 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
926 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
927 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
928
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
929 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
930 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
931 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
932 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
933 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
934 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
935 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
936 type = '\0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
937 m_buf << s[i++];
23059
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
940 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
941
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
942 if (m_nconv < 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
943 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
944 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
945 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
949 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
950 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
951
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
952 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
953 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
954 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
955 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
956
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
957 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
958 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
959 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
960
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
961 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
962 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
963 printf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
964 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
965 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
966 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
967
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
968 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
969 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
970 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
971 char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
972 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
973 std::string text = m_buf.str ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
974
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
975 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
976 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
977 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
978 = 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
979 type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
980
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
981 m_fmt_elts.push_back (elt);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
982 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
983
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
984 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
985 m_buf.str ("");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
986 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
987
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
988 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
989 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
990 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
991 std::string& flags, int& fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
992 int& prec, char& modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
993 char& type)
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 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
996 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
997 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
998 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
999 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1000 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1001
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1002 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1003
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1004 bool nxt = false;
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 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1007 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1008 switch (s[i])
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 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
1011 flags += s[i];
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1012 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1013 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1016 nxt = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1017 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1018 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1019
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1020 if (nxt)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
1021 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1024 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1025 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1026 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1027 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1028 fw = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1029 args++;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1030 m_buf << s[i++];
23059
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1033 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1034 if (isdigit (s[i]))
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 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1037 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
1038 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
1039 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1040
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1041 while (i < n && isdigit (s[i]))
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1042 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1043 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1044 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1045
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1046 if (i < n && 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 // nothing before the . means 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1049 if (fw == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1050 fw = 0;
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 // . followed by nothing is 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1053 prec = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1054
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1055 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1056
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1057 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1058 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1059 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1060 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1061 prec = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1062 args++;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1063 m_buf << s[i++];
23059
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1066 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1067 if (isdigit (s[i]))
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 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1070 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
1071 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
1072 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1073
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1074 while (i < n && isdigit (s[i]))
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1075 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1076 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1077 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1078 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1079
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1080 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1081 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1082 // 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
1083 // 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
1084 // integers.
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 switch (s[i])
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 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
1089 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1090 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1091
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1092 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1093 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1094 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1095 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1096
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1097 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1098 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
1099 else
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1100 m_nconv = -1;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1103 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
1104 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
1105 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
1106 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
1107 char& type)
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 switch (s[i])
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 '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
1112 case 'u': case 'c':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1113 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1114 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1115 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1116 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1117 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1118 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1119
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1120 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
1121 if (modifier == 'h' || modifier == 'l')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1122 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1123 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1124 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1125 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1126 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1128 case 's': case 'p': case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1129 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1130 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1131 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1132 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1133 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1134 goto fini;
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 fini:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1137
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1138 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1139
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1140 m_buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1141
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1142 if (type != '%' || args != 0)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1143 m_nconv++;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1144
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1145 if (type != '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1146 args++;
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 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
1149
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1150 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1151
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1152 default:
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1153 m_nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1154 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1155 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1156 }
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 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1159 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
1160 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1161 std::size_t n = m_fmt_elts.size ();
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1162
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1163 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
1164 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1165 printf_format_elt *elt = m_fmt_elts[i];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1166
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1167 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1168 << "args: " << elt->args << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1169 << "flags: '" << elt->flags << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1170 << "width: " << elt->fw << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1171 << "prec: " << elt->prec << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1172 << "type: '" << elt->type << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1173 << "modifier: '" << elt->modifier << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1174 << "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
1175 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1176 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1177
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1178 // 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
1179 // exactly 100 and 5e-1 is 1/2
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1180
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1181 static double
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1182 pown (double x, unsigned int n)
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 double retval = 1;
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 for (unsigned int d = n; d; d >>= 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1187 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1188 if (d & 1)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1189 retval *= x;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1190 x *= x;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1193 return retval;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1196 static Cell
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1197 init_inf_nan (void)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1198 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1199 Cell retval (dim_vector (1, 2));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1200
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1201 retval(0) = Cell (octave_value ("inf"));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1202 retval(1) = Cell (octave_value ("nan"));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1203
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1204 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1205 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
1206
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1207 // 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
1208 // by single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1209 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1210 // 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
1211 // 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
1212 // textscan workload.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1213 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1214 // The 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
1215 // 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
1216 // 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
1217 // 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
1218 // 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
1219
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1220 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1221 delimited_stream
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1222 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1223 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1224
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1225 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
1226 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
1227
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1228 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
1229
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1230 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1231
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1232 delimited_stream (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1233
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1234 delimited_stream& operator = (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1235
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1236 ~delimited_stream (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1237
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1238 // 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
1239 // 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
1240 void field_done (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1241 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1242 if (m_idx >= m_last)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1243 refresh_buf ();
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1246 // 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
1247 // 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
1248 int refresh_buf (void);
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 // 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
1251 // a delimiter has been reached.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1252 int get (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1253 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1254 if (m_delimited)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1255 return eof () ? std::istream::traits_type::eof () : *m_idx++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1256 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1257 return get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1258 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1259
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1260 // 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
1261 int get_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 // 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
1264 // 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
1265 // 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
1266 // For a compatible peek function, use peek_undelim. See bug #56917.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1267 int peek (void)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1268 { return eof () ? std::istream::traits_type::eof () : *m_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1269
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1270 // 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
1271 int peek_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1272
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1273 // 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
1274 // 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
1275 // 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
1276 // get, get_delim, field_done, refresh_buf, getline, read or seekg.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1277 void putback (char /*ch*/ = 0) { if (! eof ()) --m_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1278
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1279 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
1280
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1281 // int skipline (char delim);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1282
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1283 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
1284
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1285 // 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
1286 // block between calls to field_done.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1287 char * tellg (void) { return m_idx; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1288
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1289 void seekg (char *old_idx) { m_idx = old_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1290
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1291 bool eof (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1292 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1293 return (m_eob == m_buf && m_i_stream.eof ())
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1294 || (m_flags & std::ios_base::eofbit);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1295 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1296
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1297 operator const void* (void)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1298 { return (! eof () && ! m_flags) ? this : nullptr; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1299
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1300 bool fail (void) { return m_flags & std::ios_base::failbit; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1301
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1302 std::ios_base::iostate rdstate (void) { return m_flags; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1303
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1304 void setstate (std::ios_base::iostate m) { m_flags = m_flags | m; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1305
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1306 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
1307 = (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
1308 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1309 m_flags = m_flags & m;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1310 }
22326
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 // 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
1313 // (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
1314
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1315 void progress_benchmark (void) { m_progress_marker = m_idx; }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1316
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1317 bool no_progress (void) { return m_progress_marker == m_idx; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1318
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1319 private:
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 // Number of characters to read from the file at once.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1322 int m_bufsize;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1323
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1324 // Stream to read from.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1325 std::istream& m_i_stream;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1327 // Temporary storage for a "chunk" of data.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1328 char *m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1329
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1330 // Current read pointer.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1331 char *m_idx;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1332
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1333 // 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
1334 // delimited is false).
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1335 char *m_last;
22326
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 after last character in buffer.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1338 char *m_eob;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1339
27956
2310164737b3 fix many spelling errors (bug #57613)
John W. Eaton <jwe@octave.org>
parents: 26640
diff changeset
1340 // True if there is delimiter in the buffer after idx.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1341 bool m_delimited;
22326
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 // Longest lookahead required.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1344 int m_longest;
22326
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 // Sequence of single-character delimiters.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1347 const std::string m_delims;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1348
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1349 // Position of start of buf in original stream.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1350 std::streampos m_buf_in_file;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1351
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1352 // Marker to see if a read consumes any characters.
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1353 char *m_progress_marker;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1354
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1355 std::ios_base::iostate m_flags;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1356 };
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 // 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
1359 // 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
1360 // 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
1361
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1362 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
1363 const std::string& delimiters,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1364 int longest_lookahead,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1365 octave_idx_type bsize)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1366 : m_bufsize (bsize), m_i_stream (is), m_longest (longest_lookahead),
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1367 m_delims (delimiters),
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1368 m_flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1369 {
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1370 m_buf = new char[m_bufsize];
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1371 m_eob = m_buf + m_bufsize;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1372 m_idx = m_eob; // refresh_buf shouldn't try to copy old data
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1373 m_progress_marker = m_idx;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1374 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
1375 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1376
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1377 // 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
1378 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
1379 const delimited_stream& ds)
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1380 : delimited_stream (is, ds.m_delims, ds.m_longest, ds.m_bufsize)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1381 { }
22326
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 delimited_stream::~delimited_stream (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1384 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1385 // 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
1386 if (! eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1387 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1388 m_i_stream.clear ();
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1389 m_i_stream.seekg (m_buf_in_file);
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1390 m_i_stream.read (m_buf, m_idx - m_buf);
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1391 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1392
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1393 delete [] m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1394 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1395
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1396 // 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
1397 // if necessary.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1398
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1399 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1400 delimited_stream::get_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1401 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1402 int retval;
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::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1406 return 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
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1409 if (m_idx < m_eob)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1410 retval = *m_idx++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1411 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1412 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1413 refresh_buf ();
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 if (eof ())
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 setstate (std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1418 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1419 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1420 else
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1421 retval = *m_idx++;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1422 }
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1423
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1424 if (m_idx >= m_last)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1425 m_delimited = false;
22326
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 // 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
1431 // 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
1432
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1433 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1434 delimited_stream::peek_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1435 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1436 int retval = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1437 putback ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1438
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1439 return retval;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1442 // 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
1443 // 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
1444 // 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
1445 // processed.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1446
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1447 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1448 delimited_stream::refresh_buf (void)
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 (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1451 return std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1452
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1453 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1454
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1455 if (m_eob < m_idx)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1456 m_idx = m_eob;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1457
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1458 std::size_t old_remaining = m_eob - m_idx;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1459
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1460 octave_quit (); // allow ctrl-C
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1461
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1462 if (old_remaining > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1463 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1464 m_buf_in_file += (m_idx - m_buf);
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1465 memmove (m_buf, m_idx, old_remaining);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1466 }
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
1467 else
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1468 m_buf_in_file = m_i_stream.tellg (); // record for destructor
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1469
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1470 m_progress_marker -= m_idx - m_buf; // where original idx would have been
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1471 m_idx = m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1472
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1473 int gcount; // chars read
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1474 if (! m_i_stream.eof ())
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1475 {
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1476 m_i_stream.read (m_buf + old_remaining, m_bufsize - old_remaining);
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1477 gcount = m_i_stream.gcount ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1478 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1479 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1480 gcount = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1481
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1482 m_eob = m_buf + old_remaining + gcount;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1483 m_last = m_eob;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1484 if (gcount == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1485 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1486 m_delimited = false;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1487
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1488 if (m_eob != m_buf) // no more data in file, but still some to go
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1489 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1490 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1491 // file and buffer are both done.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1492 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1493 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1494 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1495 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1496 m_delimited = true;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1497
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1498 for (m_last = m_eob - m_longest; m_last - m_buf >= 0; m_last--)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1499 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1500 if (m_delims.find (*m_last) != std::string::npos)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1501 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1502 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1503
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1504 if (m_last < m_buf)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1505 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1506
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1507 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1508 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1509
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1510 // 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
1511 if (retval == std::istream::traits_type::eof ())
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1512 *m_idx = '\0'; // FIXME: check that no TreatAsEmpty etc starts w. \0?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1513
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1514 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1515 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1516
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1517 // 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
1518 // 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
1519 // 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
1520 // 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
1521 // 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
1522
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1523 char *
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1524 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
1525 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1526 char *retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1527
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1528 if (m_eob - m_idx > size)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1529 {
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1530 retval = m_idx;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1531 m_idx += size;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1532 if (m_idx > m_last)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1533 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1534 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1535 else
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 // 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
1538 // 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
1539 // 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
1540 // 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
1541
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1542 if (m_eob - prior_tell + size < m_bufsize)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1543 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1544 octave_idx_type gap = m_idx - prior_tell;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1545 m_idx = prior_tell;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1546 refresh_buf ();
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1547 m_idx += gap;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1548 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1549 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
1550 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1551 refresh_buf ();
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
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1554 prior_tell = m_buf;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1555
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1556 if (m_eob - m_idx > size)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1557 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1558 retval = m_idx;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1559 m_idx += size;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1560 if (m_idx > m_last)
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1561 m_delimited = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1562 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1563 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1564 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1565 if (size <= m_bufsize) // small read, but reached EOF
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1566 {
30167
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1567 retval = m_idx;
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1568 memset (m_eob, 0, size + (m_idx - m_buf));
964a937d556f maint: use "m_" prefix for member variables in class delimited_stream.
Rik <rik@octave.org>
parents: 30166
diff changeset
1569 m_idx += size;
22326
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 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
1572 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1573 retval = buffer;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1574 // FIXME: read bufsize at a time
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1575 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1576 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
1577 *buffer++ = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1578 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1579 memset (buffer, 0, size - i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1580 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1581 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1582 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1583
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1584 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1585 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1586
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1587 // 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
1588 // must have length at least 1.
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 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1591 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
1592 {
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
1593 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
1594 int used = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1595 int ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1596 while ((ch = get_undelim ()) != delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1597 && ch != std::istream::traits_type::eof ())
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 out[used++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1600 if (used == len)
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 len <<= 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1603 out.resize (len);
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1606 out.resize (used);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1607 field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1608
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1609 return ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1610 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1611
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1612 // 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
1613
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1614 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1615 textscan_format_elt
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1616 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1617 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1618
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1619 enum special_conversion
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1620 {
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1621 whitespace_conversion = 1,
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1622 literal_conversion = 2
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
1623 };
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1624
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1625 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
1626 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
1627 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
1628 : 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
1629 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
1630 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
1631 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1632
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1633 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
1634 : 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
1635 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
1636 discard (e.discard), numeric (e.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1637 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1638
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1639 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
1640 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1641 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
1642 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1643 text = e.text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1644 width = e.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1645 prec = e.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1646 bitwidth = e.bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1647 discard = e.discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1648 type = e.type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1649 numeric = e.numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1650 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
1651 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1652
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1653 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
1654 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1655
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1656 // The C-style format string.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1657 std::string text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1658
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1659 // The maximum field width.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1660 unsigned int width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1661
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1662 // 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
1663 // floating point conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1664 int prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1665
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1666 // 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
1667 // 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
1668 int bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1669
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1670 // 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
1671 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1672
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1673 // Type of conversion
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
1674 // -- '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
1675 char type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1676
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1677 // 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
1678 bool discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1679
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1680 // 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
1681 bool numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1682 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1683
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1684 // The (parsed) sequence of format specifiers.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1685
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1686 class textscan;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1687
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1688 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1689 textscan_format_list
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 public:
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 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
1694 const std::string& who = "textscan");
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1695 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1696
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1697 textscan_format_list (const textscan_format_list&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1698
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1699 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
1700
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1701 ~textscan_format_list (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1702
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1703 octave_idx_type num_conversions (void) const { return m_nconv; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1704
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1705 // 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
1706 // 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
1707 // 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
1708 // last conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1709
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1710 std::size_t numel (void) const { return m_fmt_elts.size (); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1711
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1712 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
1713 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1714 m_curr_idx = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1715 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1716 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1717
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1718 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
1719 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1720 return numel () > 0 ? m_fmt_elts[m_curr_idx] : nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1721 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1722
23446
cd4e1ee28716 maint: Use convention 'void * fcn ()' for functions which return pointers.
Rik <rik@octave.org>
parents: 23398
diff changeset
1723 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
1724 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1725 m_curr_idx++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1726
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1727 if (m_curr_idx >= numel ())
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1728 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1729 if (cycle)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1730 m_curr_idx = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1731 else
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1732 return nullptr;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1733 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1734
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1735 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1736 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1737
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1738 void printme (void) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1739
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1740 bool ok (void) const { return (m_nconv >= 0); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1741
23795
980f39c3ab90 Use C++11 nullptr rather than 0 in code (bug #51565).
Rik <rik@octave.org>
parents: 23792
diff changeset
1742 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
1743
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1744 // 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
1745 std::string who;
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 // 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
1748 bool set_from_first;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1749
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1750 // 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
1751 bool has_string;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1752
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1753 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
1754
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30171
diff changeset
1755 std::list<octave_value> out_buf (void) const
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30171
diff changeset
1756 { return (m_output_container); }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1757
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1758 private:
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 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
1761 octave_value val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1762 char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1763 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
1764
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1765 void process_conversion (const std::string& s, std::size_t& i,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1766 std::size_t n);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1767
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1768 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
1769
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
1770 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
1771 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
1772 octave_value& val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1773 bool discard, char& type);
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1774
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1775 //--------
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1776
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1777 // Number of conversions specified by this format string, or -1 if
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1778 // invalid conversions have been found.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1779 octave_idx_type m_nconv;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1780
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1781 // Index to current element;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1782 std::size_t m_curr_idx;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1783
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1784 // List of format elements.
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
1785 std::deque<textscan_format_elt *> m_fmt_elts;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1786
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1787 // list holding column arrays of types specified by conversions
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1788 std::list<octave_value> m_output_container;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1789
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1790 // Temporary buffer.
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1791 std::ostringstream m_buf;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1792
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1793 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1794
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1795 // 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
1796 // according to a format.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1797 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1798 // The calling sequence is
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1799 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1800 // textscan scanner ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1801 // scanner.scan (...);
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 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1804 OCTINTERP_API
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1805 textscan
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1806 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1807 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1808
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
1809 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
1810 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
1811
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1812 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1813
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1814 textscan (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1815
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1816 textscan& operator = (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1817
22868
87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors
John W. Eaton <jwe@octave.org>
parents: 22865
diff changeset
1818 ~textscan (void) = default;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1819
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1820 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
1821 octave_idx_type ntimes,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1822 const octave_value_list& options,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1823 octave_idx_type& read_count);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1824
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1825 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1826
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1827 friend class textscan_format_list;
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 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
1830 octave_idx_type ntimes);
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 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
1833 textscan_format_list& fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1834
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1835 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
1836 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1837 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
1838
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1839 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
1840 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
1841
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1842 // 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
1843 double read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1844 const textscan_format_elt& fmt) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1845
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1846 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
1847 Complex& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1848
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1849 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
1850 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1851
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1852 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
1853 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1854
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1855 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
1856 std::string& val) const;
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 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
1859 std::string& val) const;
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 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
1862 std::string& val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1863
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1864 // Helper methods.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1865 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
1866 const std::string& ends) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1867
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1868 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
1869 bool case_sensitive = true) const;
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 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
1872
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
1873 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
1874
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1875 int skip_delim (delimited_stream& is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1876
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1877 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
1878 {
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1879 return ((m_delim_table.empty ()
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1880 && (isspace (ch) || ch == m_eol1 || ch == m_eol2))
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1881 || m_delim_table[ch] != '\0');
22326
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
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1884 bool isspace (unsigned int ch) const
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1885 { return m_whitespace_table[ch & 0xff]; }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1886
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1887 // True if the only delimiter is whitespace.
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1888 bool whitespace_delim (void) const { return m_delim_table.empty (); }
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1889
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1890 //--------
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1891
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1892 // What function name should be shown when reporting errors.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1893 std::string m_who;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1894
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1895 std::string m_encoding;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1896
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1897 std::string m_buf;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1898
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1899 // Three cases for delim_table and delim_list
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1900 // 1. delim_table empty, delim_list empty: whitespace delimiters
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1901 // 2. delim_table = look-up table of delim chars, delim_list empty.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1902 // 3. delim_table non-empty, delim_list = Cell array of delim strings
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1903
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1904 std::string m_whitespace_table;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1905
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1906 // delim_table[i] == '\0' if i is not a delimiter.
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
1907 std::string m_delim_table;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1908
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1909 // String of delimiter characters.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1910 std::string m_delims;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1911
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1912 Cell m_comment_style;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1913
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1914 // How far ahead to look to detect an open comment.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1915 int m_comment_len;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1916
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1917 // First character of open comment.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1918 int m_comment_char;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1919
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1920 octave_idx_type m_buffer_size;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1921
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1922 std::string m_date_locale;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1923
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1924 // 'inf' and 'nan' for formatted_double.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1925 Cell m_inf_nan;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1926
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1927 // Array of strings of delimiters.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1928 Cell m_delim_list;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1929
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1930 // Longest delimiter.
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1931 int m_delim_len;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1932
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1933 octave_value m_empty_value;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1934 std::string m_exp_chars;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1935 int m_header_lines;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1936 Cell m_treat_as_empty;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1937
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1938 // Longest string to treat as "N/A".
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1939 int m_treat_as_empty_len;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1940
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1941 std::string m_whitespace;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1942
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1943 short m_eol1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1944 short m_eol2;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1945 short m_return_on_error;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1946
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1947 bool m_collect_output;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1948 bool multiple_delims_as_one;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1949 bool m_default_exp;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1950
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
1951 octave_idx_type m_lines;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1952 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1953
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1954 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
1955 const std::string& who_arg)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1956 : who (who_arg), set_from_first (false), has_string (false),
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1957 m_nconv (0), m_curr_idx (0), m_fmt_elts (), m_buf ()
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1958 {
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
1959 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
1960
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
1961 std::size_t i = 0;
22326
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1962
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1963 unsigned int width = -1; // Unspecified width = max (except %c)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1964 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1965 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1966 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1967 char type = '\0';
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 bool have_more = true;
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 if (s.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1972 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1973 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1974 m_buf.str ("");
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1975
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1976 m_buf << "%f";
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1977
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1978 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1979 type = 'f';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1980 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
1981 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1982 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1983 set_from_first = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
1984 m_nconv = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1985 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1986 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1987 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1988 set_from_first = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1989
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1990 while (i < n)
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 = true;
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 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
1995 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1996 // Process percent-escape conversion type.
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 process_conversion (s, i, n);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1999
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2000 // 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
2001 // 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
2002 // 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
2003 // 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
2004 // loop.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2005
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2006 have_more = (m_buf.tellp () != 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2007 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2008 else if (isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2009 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2010 while (++i < n && isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2011 /* skip whitespace */;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2012
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2013 have_more = false;
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 else
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 type = textscan_format_elt::literal_conversion;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2018
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2019 width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2020 prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2021 bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2022 discard = true;
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 while (i < n && ! isspace (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2025 && (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
2026 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2027 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
2028 i++;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2029 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2030 width++;
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 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
2034 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2035
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2036 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2037 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2038
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2039 if (m_nconv < 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2040 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2041 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2042 break;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2045 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2046
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2047 if (have_more)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2048 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
2049
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2050 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2051 m_buf.str ("");
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2052 }
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_list::~textscan_format_list (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2055 {
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
2056 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
2057
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2058 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
2059 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2060 textscan_format_elt *elt = m_fmt_elts[i];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2061 delete 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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2065 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2066 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
2067 int bitwidth, octave_value val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2068 bool discard, char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2069 const std::string& char_class)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2070 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2071 std::string text = m_buf.str ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2072
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2073 if (! text.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2074 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2075 textscan_format_elt *elt
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2076 = new textscan_format_elt (text, width, prec, bitwidth, discard,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2077 type, char_class);
22326
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 if (! discard)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2080 m_output_container.push_back (val_type);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2081
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2082 m_fmt_elts.push_back (elt);
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2083 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2084
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2085 m_buf.clear ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2086 m_buf.str ("");
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2087 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2088
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2089 void
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2090 textscan_format_list::process_conversion (const std::string& s,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2091 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
2092 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2093 unsigned width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2094 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2095 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2096 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2097 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2098 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2099
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2100 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2101
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2102 bool have_width = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2103
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2104 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2105 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2106 switch (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2107 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2108 case '*':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2109 if (discard)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2110 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2111 else
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 discard = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2114 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2115 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2116 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2117
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2118 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
2119 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
2120 if (have_width)
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2121 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2122 else
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 char c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2125 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2126 have_width = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2127 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2128 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2129 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2130 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2131 width = width * 10 + c - '0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2132 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2133 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2134
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2135 if (i < n && s[i] == '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2136 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2137 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2138 prec = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2139 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2140 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2141 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2142 prec = prec * 10 + c - '0';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2143 m_buf << c;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2144 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2145 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2146 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2147 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2148
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2149 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
2150 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2151 bool done = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2152 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2153 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
2154 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2155 if (s[i] == '8')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2156 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2157 bitwidth = 8;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2158 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2159 val_type = octave_value (int8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2160 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2161 val_type = octave_value (uint8NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2162 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2163 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2164 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
2165 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2166 bitwidth = 16;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2167 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2168 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
2169 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2170 val_type = octave_value (uint16NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2171 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2172 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2173 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2174 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
2175 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2176 done = false; // use default size below
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2177 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2178 m_buf << s[i++];
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2179 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2180 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
2181 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2182 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2183 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2184 val_type = octave_value (int64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2185 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2186 val_type = octave_value (uint64NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2187 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2188 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2189 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2190 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2191 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
2192 }
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2193 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2194 done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2195
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2196 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
2197 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2198 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2199 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2200 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
2201 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2202 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
2203 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2204 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2205 }
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 case 'f':
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2208 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2209 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2210 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2211 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2212 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
2213 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2214 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2215 val_type = octave_value (FloatNDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2216 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2217 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2218 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2219 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
2220 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2221 val_type = octave_value (NDArray ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2222 m_buf << s[i++];
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2223 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2224 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2225 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2226 val_type = octave_value (NDArray ());
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2229 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2230 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2231
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2232 case 'n':
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2233 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2234 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2235 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2236 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2237
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2238 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
2239 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2240 val_type = octave_value (Cell ());
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2241 m_buf << (type = s[i++]);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2242 has_string = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2243 goto fini;
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 fini:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2246 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2247 if (! have_width)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2248 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2249 if (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
2250 width = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2251 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2252 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
2253 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2254
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2255 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
2256 discard, type) == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2257 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
2258 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2259 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2260
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2261 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2262 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
2263 who.c_str (), s[i]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2264 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2265
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2266 if (m_nconv < 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2267 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2268 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2269
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2270 m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2271 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2272
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2273 // Parse [...] and [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2274 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2275 // 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
2276 // 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
2277 // 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
2278 // 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
2279 // pattern.
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 // 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
2282 // 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
2283 // The latter is efficient for [^...] patterns.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2284
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2285 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2286 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
2287 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2288 int len = pattern.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2289 if (len == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2290 return "";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2291
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2292 std::string retval (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2293 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
2294
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2295 int in = 0, out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2296 unsigned char ch, prev = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2297 bool flip = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2298
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2299 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2300 if (ch == '^')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2301 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2302 in++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2303 flip = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2304 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2305 mask[pattern[in]] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2306 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
2307
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2308 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
2309 bool prev_prev_was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2310 for (; in < len; in++)
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 bool was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2313 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2314 if (ch == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2315 break;
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 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
2318 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2319 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
2320 if (start_of_range < ch
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2321 && ((isupper (ch) && isupper (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2322 || (islower (ch) && islower (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2323 || (isdigit (ch) && isdigit (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2324 || 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
2325 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2326 was_range = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2327 out--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2328 mask['-']--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2329 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
2330 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2331 if (mask[i] == '\0')
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 mask[i] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2334 retval[out++] = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2335 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2336 }
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2339 if (! was_range)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2340 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2341 if (mask[ch]++ == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2342 retval[out++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2343 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
2344 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
2345 "%s: [...] contains two '%c's",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2346 who.c_str (), ch);
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 if (prev == '-' && mask['-'] >= 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2349 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
2350 ("Octave:textscan-pattern",
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2351 "%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
2352 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2353 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2354 prev = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2355 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
2356 prev_was_range = was_range;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2359 if (flip) // [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2360 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2361 out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2362 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
2363 if (! mask[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2364 retval[out++] = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2365 }
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 retval.resize (out);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2368
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2369 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2370 }
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 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
2373 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
2374 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
2375 int prec, int bitwidth,
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2376 octave_value& val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2377 char& type)
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 int retval = 0;
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 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2382
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
2383 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
2384 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
2385
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2386 if (type != '%')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2387 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2388 m_nconv++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2389 if (type == '[')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2390 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2391 if (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2392 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2393 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2394
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2395 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
2396 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2397 type = '^';
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2398 m_buf << s[i++];
22326
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 (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2401 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2402 beg_idx = i;
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 if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2405 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2406 }
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
2407 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2408 else if (s[i] == ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2409 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2410 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2411
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2412 while (i < n && s[i] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2413 m_buf << s[i++];
22326
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 if (i < n && s[i] == ']')
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 end_idx = i-1;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2418 m_buf << s[i++];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2419 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2420
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2421 if (s[i-1] != ']')
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2422 retval = m_nconv = -1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2423 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2424 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2425
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2426 if (m_nconv >= 0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2427 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2428 if (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
2429 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
2430 end_idx - beg_idx + 1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2431
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2432 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
2433 char_class);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2434 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2435
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2436 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2437 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2438
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2439 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2440 textscan_format_list::printme (void) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2441 {
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
2442 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
2443
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
2444 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
2445 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2446 textscan_format_elt *elt = m_fmt_elts[i];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2447
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2448 std::cerr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2449 << "width: " << elt->width << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2450 << "digits " << elt->prec << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2451 << "bitwidth: " << elt->bitwidth << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2452 << "discard: " << elt->discard << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2453 << "type: ";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2454
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2455 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
2456 std::cerr << "literal text\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2457 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
2458 std::cerr << "whitespace\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2459 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2460 std::cerr << elt->type << "\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2461
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2462 std::cerr
27216
823b4bcf79fc unless necessary for formatting or code, use ' instead of `
John W. Eaton <jwe@octave.org>
parents: 27172
diff changeset
2463 << "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
2464 << "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
2465 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2466 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2467
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2468 // 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
2469 // 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
2470
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2471 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2472 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
2473 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2474 // 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
2475 std::string first_line (20, ' ');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2476
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2477 is.getline (first_line, static_cast<char> (ts.m_eol2));
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2478
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2479 if (! first_line.empty () && first_line.back () == ts.m_eol1)
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23807
diff changeset
2480 first_line.pop_back ();
22326
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 std::istringstream strstr (first_line);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2483 delimited_stream ds (strstr, is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2484
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2485 dim_vector dv (1, 1); // initial size of each output_container
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2486 Complex val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2487 octave_value val_type;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2488 m_nconv = 0;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2489 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
2490 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2491
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2492 // 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
2493 while (! ds.eof ())
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 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
2496 ts.skip_whitespace (ds, false);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2497 ds.progress_benchmark ();
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2498 ts.scan_complex (ds, *m_fmt_elts[0], val);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2499 if (ds.fail ())
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 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
2502
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2503 if (ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2504 break;
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 // 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
2507 // return with an error status.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2508 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2509 if (ds.no_progress ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2510 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2511 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
2512 break;
22326
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 already_skipped_delim = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2515
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2516 val = ts.m_empty_value.scalar_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2517
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2518 if (! --max_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2519 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2520 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2521
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2522 if (val.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2523 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
2524 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2525 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
2526
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2527 m_output_container.push_back (val_type);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2528
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2529 if (! already_skipped_delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2530 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2531
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2532 if (ds.no_progress ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2533 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2534
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2535 m_nconv++;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2536 }
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2537
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2538 m_output_container.pop_front (); // discard empty element from constructor
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2539
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2540 // Create fmt_list now that the size is known
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2541 for (octave_idx_type i = 1; i < m_nconv; i++)
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2542 m_fmt_elts.push_back (new textscan_format_elt (*m_fmt_elts[0]));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2543
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2544 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
2545 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2546
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
2547 textscan::textscan (const std::string& who_arg, const std::string& encoding)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2548 : m_who (who_arg), m_encoding (encoding), m_buf (), m_whitespace_table (),
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
2549 m_delim_table (), m_delims (), m_comment_style (), m_comment_len (0),
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2550 m_comment_char (-2), m_buffer_size (0), m_date_locale (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2551 m_inf_nan (init_inf_nan ()),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2552 m_empty_value (numeric_limits<double>::NaN ()),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2553 m_exp_chars ("edED"), m_header_lines (0), m_treat_as_empty (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2554 m_treat_as_empty_len (0), m_whitespace (" \b\t"), m_eol1 ('\r'),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2555 m_eol2 ('\n'), m_return_on_error (1), m_collect_output (false),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2556 multiple_delims_as_one (false), m_default_exp (true), m_lines (0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2557 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2558
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2559 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2560 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
2561 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
2562 octave_idx_type& count)
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 textscan_format_list fmt_list (fmt);
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 parse_options (options, fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2567
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2568 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
2569
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2570 // 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
2571 // 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
2572 // 32-bit indexing.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2573
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2574 std::ios::iostate state = isp.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2575 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2576 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
2577 isp.setstate (state);
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 return result;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2580 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2581
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2582 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2583 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
2584 octave_idx_type ntimes)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2585 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2586 octave_value retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2587
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2588 if (fmt_list.num_conversions () == -1)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2589 error ("%s: invalid format specified", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2590
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2591 if (fmt_list.num_conversions () == 0)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2592 error ("%s: no valid format conversion specifiers", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2593
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2594 // skip the first header_lines
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2595 std::string dummy;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2596 for (int i = 0; i < m_header_lines && isp; i++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2597 getline (isp, dummy, static_cast<char> (m_eol2));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2598
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2599 // 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
2600
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2601 // First, see how far ahead it should let us look.
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2602 int max_lookahead = std::max ({m_comment_len, m_treat_as_empty_len,
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2603 m_delim_len, 3}); // 3 for NaN and Inf
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2604
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2605 // 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
2606 octave_idx_type buf_size = 4096;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2607 if (m_buffer_size)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2608 buf_size = m_buffer_size;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2609 else if (ntimes > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2610 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2611 // Avoid overflow of 80*ntimes...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2612 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
2613 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
2614 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2615 // Finally, create the stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2616 delimited_stream is (isp,
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
2617 (m_delim_table.empty () ? m_whitespace + "\r\n"
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2618 : m_delims),
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2619 max_lookahead, buf_size);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2620
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2621 // 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
2622 // (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
2623 octave_idx_type size = ((ntimes < 8 && ntimes >= 0) ? ntimes : 1);
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2624 Array<octave_idx_type> row_idx (dim_vector (1, 2));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2625 row_idx(1) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2626
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2627 int err = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2628 octave_idx_type row = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2629
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2630 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
2631 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2632
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2633 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
2634
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2635 // 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
2636 if (fmt_list.set_from_first)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2637 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2638 err = fmt_list.read_first_row (is, *this);
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2639 m_lines = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2640
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2641 done_after = fmt_list.numel () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2642 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2643 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
2644 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2645 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2646 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
2647
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2648 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
2649
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2650 // 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
2651 // Check now which columns to merge.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2652 // 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
2653 // after reading in data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2654 // 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
2655 // 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
2656 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
2657 int conv = 0;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2658 if (m_collect_output)
22326
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 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
2661 for (const auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2662 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2663 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
2664 || (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
2665 merge_with_prev[conv++] = true;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2666 else
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2667 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
2668
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2669 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2670 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2671 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2672
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2673 // 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
2674 // infinite loop below.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2675 if (fmt_list.num_conversions () == 0)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2676 error ("%s: No conversions specified", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2677
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2678 // 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
2679 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2680 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2681 for (/* row set ~30 m_lines above */;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2682 row < ntimes || ntimes == -1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2683 row++)
22326
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 if (row == 0 || row >= size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2686 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2687 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
2688 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
2689 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
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 row_idx(0) = row;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2693 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
2694
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2695 if ((err & ~1) > 0 || ! is || (m_lines >= ntimes && ntimes > -1))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2696 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2697 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2698 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2699
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2700 if ((err & 4) && ! m_return_on_error)
26164
7f6a50f73625 Silence compiler warnings about format identifier for octave_idx_type (bug #55046).
Markus Mützel <markus.muetzel@gmx.de>
parents: 25952
diff changeset
2701 error ("%s: Read error in field %d of row %" OCTAVE_IDX_TYPE_FORMAT,
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2702 m_who.c_str (), done_after + 1, row + 1);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2703
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2704 // 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
2705 bool uneven_columns = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2706 if (err & 4)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2707 uneven_columns = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2708 else if (isp.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2709 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2710 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2711 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
2712 int last_char = isp.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2713 isp.setstate (isp.eofbit);
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2714 uneven_columns = (last_char != m_eol1 && last_char != m_eol2);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2715 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2716
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2717 // convert return value to Cell array
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2718 Array<octave_idx_type> ra_idx (dim_vector (1, 2));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2719
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2720 // (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
2721 // 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
2722 if (err & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2723 done_after = out.size () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2724
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2725 int valid_rows = (row == ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2726 ? ntimes
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
2727 : ((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
2728 dim_vector dv (valid_rows, 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2729
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2730 ra_idx(0) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2731 int i = 0;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2732 if (! m_collect_output)
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 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
2735 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2736 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2737 // 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
2738 if (i == done_after && uneven_columns)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2739 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
2740
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2741 ra_idx(1) = i;
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2742 retval = cat_op (retval, octave_value (Cell (col.resize (dv, 0))),
28631
70cdf8de553d move non-member octave_value operator functions to octave namespace
John W. Eaton <jwe@octave.org>
parents: 28628
diff changeset
2743 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
2744 i++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2745 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2746 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2747 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
2748 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2749 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
2750 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
2751 int prev_type = -1;
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 conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2754 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
2755 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2756 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2757 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
2758 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2759 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
2760 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2761 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
2762 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
2763 }
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2764 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
2765 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
2766 prev_type = col.type_id ();
22326
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 else
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 ra_idx(1) = group_size++;
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
2771 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
2772 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2773 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2774 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
2775 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
2776 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2777
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2778 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2779 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2780
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2781 // 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
2782 // EXP_CHARS option of OPTIONS.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2783
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2784 double
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2785 textscan::read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2786 const textscan_format_elt& fmt) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2787 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2788 int sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2789 unsigned int width_left = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2790 double retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2791 bool valid = false; // syntactically correct double?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2792
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2793 int ch = is.peek ();
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 if (ch == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2796 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2797 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2798 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2799 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2800 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2801 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2802 else if (ch == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2803 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2804 sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2805 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2806 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2807 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2808 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2809 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2810
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2811 // Read integer part
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2812 if (ch != '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2813 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2814 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
2815 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2816 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
2817 retval = retval * 10 + (ch - '0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2818 width_left++;
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 // 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
2822 if (ch == '.' && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2823 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2824 double multiplier = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2825 int precision = fmt.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2826 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2827
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2828 width_left--; // Consider width of '.'
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2829
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2830 if (precision == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2831 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
2832
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2833 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
2834 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
2835
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2836 for (i = 0; i < precision; i++)
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 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
2839 retval += (ch - '0') * (multiplier *= 0.1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2840 else
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 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
2843 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2844 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2845 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2846
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2847 // 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
2848 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
2849 && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2850 retval += multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2851
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2852 if (i > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2853 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
2854
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2855 // 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
2856 if (i == precision)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2857 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
2858 ; // discard
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 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2861 }
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 // 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
2864 bool used_exp = false;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2865 if (valid && width_left > 1 && m_exp_chars.find (ch) != std::string::npos)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2866 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2867 int ch1 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2868 if (ch1 == '-' || ch1 == '+' || (ch1 >= '0' && ch1 <= '9'))
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2869 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2870 // 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
2871 width_left--; // count "E"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2872 int exp = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2873 int exp_sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2874 if (ch1 == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2875 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2876 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2877 is.get ();
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 else if (ch1 == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2880 {
26500
d76f9e42290a oct-stream.cc: Fix static analyzer detected issues (bug #55347).
Rik <rik@octave.org>
parents: 26415
diff changeset
2881 width_left--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2882 exp_sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2883 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2884 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2885 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2886 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
2887 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2888 exp = exp*10 + ch - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2889 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2890 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2891 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2892 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
2893 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2894
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2895 double multiplier = pown (10, exp);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2896 if (exp_sign > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2897 retval *= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2898 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2899 retval /= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2900
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2901 used_exp = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2902 }
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 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2905 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
2906 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2907
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2908 // Check for +/- inf and NaN
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2909 if (! valid && width_left >= 3)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2910 {
30346
91c6288781ba maint: Shorten some long lines in libinterp to <= 80 characters (bug #57599)
Rik <rik@octave.org>
parents: 30171
diff changeset
2911 int i = lookahead (is, m_inf_nan, 3, false); // false->case insensitive
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2912 if (i == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2913 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2914 retval = numeric_limits<double>::Inf ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2915 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2916 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2917 else if (i == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2918 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2919 retval = numeric_limits<double>::NaN ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2920 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2921 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2922 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2923
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2924 if (! valid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2925 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2926 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2927 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
2928
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2929 return retval * sign;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2930 }
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 // 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
2933 // 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
2934 // 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
2935
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2936 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2937 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
2938 Complex& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2939 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2940 double im = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2941 double re = 0;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2942 bool as_empty = false; // did we fail but match a "treat_as_empty" string?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2943 bool inf = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2944
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2945 int ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2946 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
2947 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2948 ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2949 int ch2 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2950 if (ch2 == 'i' || ch2 == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2951 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2952 double value = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2953 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2954 // Check not -inf
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2955 if (is.peek () == 'n')
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 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2958 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2959
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2960 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2961 ch2 = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2962 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
2963 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2964 inf = true;
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2965 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
2966 : -numeric_limits<double>::Inf ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2967 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
2968 }
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
2969 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
2970 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2971 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2972 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
2973 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2974 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2975
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2976 im = (ch == '+') ? value : -value;
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2979 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2980 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2981
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2982 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
2983 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2984 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2985 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
2986 //re = read_value<double> (is);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2987 re = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2988
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2989 // check for "treat as empty" string
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2990 if (m_treat_as_empty.numel ()
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
2991 && (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
2992 || re == numeric_limits<double>::Inf ()))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2993 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2994
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2995 for (int i = 0; i < m_treat_as_empty.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2996 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
2997 if (ch == m_treat_as_empty (i).string_value ()[0])
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2998 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
2999 as_empty = true; // first char matches, so read the lot
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3000 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3001 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3002 }
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3003 if (as_empty) // if first char matched...
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3004 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3005 as_empty = false; // ...look for the whole string
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3006
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3007 is.clear (state); // treat_as_empty "-" causes partial read
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3008 is.seekg (pos); // reset to position before failed read
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3009
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3010 // 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
3011 // 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
3012 // that matches.
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3013 std::string look_buf (m_treat_as_empty_len, '\0');
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3014 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
3015
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3016 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3017 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
3018 // 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
3019
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3020 for (int i = 0; i < m_treat_as_empty.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3021 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3022 std::string s = m_treat_as_empty (i).string_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3023 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
3024 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3025 as_empty = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3026 // read just the right amount
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3027 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
3028 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3029 }
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3032 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3033
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3034 if (! is.eof () && ! as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3035 {
26566
f8d380d04b01 Fix dead assignments found by clang static analysis (bug #55440).
Rik <rik@octave.org>
parents: 26500
diff changeset
3036 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
3037
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3038 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
3039 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
3040 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3041 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3042 im = re;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3043 re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3044 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3045 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
3046 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3047 // 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
3048 pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3049 state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3050
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
3051 //im = read_value<double> (is);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3052 im = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3053 if (is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3054 im = 1;
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 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
3057 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3058 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3059 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3060 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
3061 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
3062 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
3063 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3064 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3065 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
3066 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
3067 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3068 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3069 if (as_empty)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3070 val = m_empty_value.scalar_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3071 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3072 val = Complex (re, im);
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3075 // 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
3076
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3077 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3078 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
3079 std::string& val) 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 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
3082 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
3083
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3084 while (is && ((c1 = (is && ! is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3085 ? is.get_undelim ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3086 : std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3087 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3088 && pattern.find (c1) == std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3089 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3090
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3091 val = obuf.str ();
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 (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3094 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3095
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3096 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3097 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3098
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3099 // 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
3100 // 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
3101
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3102 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3103 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
3104 const std::string& ends) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3105 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3106 std::string retval ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3107 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3108 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3109 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3110 // 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
3111 std::string next;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3112 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
3113 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
3114
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3115 int last = (! is.eof ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3116 ? 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
3117
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3118 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
3119 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3120 if (last == m_eol1 || last == m_eol2)
25103
078b795c5219 maint: style check C++ ahead of 4.4 release.
Rik <rik@octave.org>
parents: 25054
diff changeset
3121 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
3122
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3123 retval = retval + static_cast<char> (last);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3124 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
3125 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3126 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
3127 std::size_t start = (retval.length () > delim.length ()
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
3128 ? retval.length () - delim.length ()
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
3129 : 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3130 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
3131 if (may_match == delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3132 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3133 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3134 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
3135 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
3136 is.putback (last);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3137 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3138 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3139 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3140 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3141 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3142 while (! done && is && ! is.eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3143
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3144 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3145 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3146
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3147 // Read 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
3148 // 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
3149 // 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
3150
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3151 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3152 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
3153 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3154 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3155 if (m_delim_list.isempty ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3156 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3157 unsigned int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3158 unsigned int width = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3159
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3160 for (i = 0; i < width; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3161 {
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3162 // 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
3163 if (i >= val.length ())
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3164 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
3165 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
3166
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3167 int ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3168 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
3169 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3170 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
3171 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3172 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3173 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3174 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3175 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3176 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
3177 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3178 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
3179 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3180 std::string ends (m_delim_list.numel () + 2, '\0');
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3181 int i;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3182 for (i = 0; i < m_delim_list.numel (); i++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3183 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3184 std::string tmp = m_delim_list(i).string_value ();
23824
061a343089be Miscellaneous cleanups of C++11 std::string code.
Rik <rik@octave.org>
parents: 23812
diff changeset
3185 ends[i] = tmp.back ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3186 }
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3187 ends[i++] = m_eol1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3188 ends[i++] = m_eol2;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3189 val = textscan::read_until (is, m_delim_list, ends);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3190 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3191
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3192 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3193 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
3194 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
3195 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3196
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3197 // 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
3198
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3199 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3200 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
3201 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3202 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3203 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
3204 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
3205
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3206 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
3207 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3208
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3209 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3210 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
3211 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3212 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3213 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3214
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3215 // 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
3216 // 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
3217 // 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
3218
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3219 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3220 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
3221 std::string& val)
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 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3224
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3225 if (is.peek () != '"')
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3226 scan_string (is, fmt, val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3227 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3228 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3229 is.get ();
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3230 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
3231 is.get (); // swallow "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3232
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3233 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
3234 { // insert one in stream,
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3235 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
3236 std::string val1;
23803
90689bdbe048 Use C++11 raw string literals to avoid escaping double quotes.
Rik <rik@octave.org>
parents: 23796
diff changeset
3237 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
3238 val = val + '"' + val1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3239 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3240 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3241 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3242
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3243 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3244 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
3245 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
3246 }
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 // 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
3249 // including any whitespace or delimiters.
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_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
3253 std::string& val) const
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 val.resize (fmt.width);
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 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
3258 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3259 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3260 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
3261 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3262 else
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 val.resize (i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3265 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3266 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3267 }
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3268
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3269 // convert from codepage
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
3270 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
3271 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
3272 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3273
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3274 // 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
3275
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3276 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3277 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
3278 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
3279 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3280 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3281
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3282 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3283
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3284 octave_value val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3285 if (fmt.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3286 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3287 if (fmt.type == 'f' || fmt.type == 'n')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3288 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3289 Complex v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3290 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3291 scan_complex (is, fmt, v);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3292
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3293 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3294 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3295 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
3296 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3297 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
3298 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
3299 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3300 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3301 if (ov.isreal ()) // 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
3302 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
3303 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3304 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
3305 }
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
3306 }
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 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
3308 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3309 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
3310 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
3311 float (v.real ()));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3312 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3313 {
23582
0cc2011d800e maint: Deprecate is_real_type and replace with isreal.
Rik <rik@octave.org>
parents: 23580
diff changeset
3314 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
3315 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
3316 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3317 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
3318 FloatComplex (v));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3319 }
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
3320 }
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
3321 }
22326
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 else
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 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
3326 // 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
3327 // 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
3328 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3329 v = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3330 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3331 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
3332 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3333 case 64:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3334 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3335 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3336 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3337 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3338 octave_int64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3339 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
3340 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3341 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3342
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3343 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3344 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3345 octave_uint64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3346 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3347 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3348 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3349 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3350 break;
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 case 32:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3353 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3354 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3355 case 'd':
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 octave_int32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3358 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3359 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3360 break;
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 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3363 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3364 octave_uint32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3365 ov.internal_rep ()->fast_elem_insert (row(0), vv);
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 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3368 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3369 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3370
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3371 case 16:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3372 if (fmt.type == 'd')
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 octave_int16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3375 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
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 octave_uint16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3380 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3381 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3382 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3383
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3384 case 8:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3385 if (fmt.type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3386 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3387 octave_int8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3388 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
3389 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3390 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3391 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3392 octave_uint8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3393 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
3394 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3395 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3396 }
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3399 if (is.fail () & ! fmt.discard)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3400 ov = cat_op (ov, m_empty_value, row);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3401 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3402 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3403 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3404 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
3405 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3406 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3407 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3408 scan_string (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3409 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3410
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3411 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3412 scan_qstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3413 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3414
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3415 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3416 scan_cstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3417 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3418
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3419 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3420 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
3421 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3422
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3423 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3424 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
3425 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3426 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3427
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3428 if (! fmt.discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3429 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
3430 Cell (octave_value (vv)));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3431
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3432 // 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
3433 if (! vv.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3434 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
3435 }
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 is.field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3438 }
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 // 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
3441 // values in row ROW of retval.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3442
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3443 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3444 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
3445 textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3446 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3447 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
3448 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3449 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
3450 auto out = retval.begin ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3451 bool no_conversions = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3452 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3453 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
3454 bool nothing_worked = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3455
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3456 octave_quit ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3457
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
3458 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
3459 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3460 bool this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3461
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3462 // Clear fail of previous numeric conversions.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3463 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3464
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3465 switch (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 case 'C':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3468 case 'D':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3469 warning ("%s: conversion %c not yet implemented",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3470 m_who.c_str (), elem->type);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3471 break;
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 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3474 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3475 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3476 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3477 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3478 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3479 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3480 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3481 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3482 scan_one (is, *elem, *out, row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3483 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3484
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3485 case textscan_format_elt::literal_conversion :
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3486 match_literal (is, *elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3487 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3488
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3489 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3490 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
3491 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3492
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3493 if (! is.fail ())
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 no_conversions = false;
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3499 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3500 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
3501
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
3502 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
3503 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3504 if (m_delim_list.isempty ())
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3505 {
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3506 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
3507 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
3508 }
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3509 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
3510 {
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
3511 char *pos = is.tellg ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3512 if (-1 == lookahead (is, m_delim_list, m_delim_len))
24346
f77da8da0f3f Fix textscan missing fields and number reads for cell-specified delimiters (bug #52550).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24304
diff changeset
3513 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
3514 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
3515 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
3516 }
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
3517 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3518 }
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 (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3521 out++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3522
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3523 elem = fmt_list.next ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3524 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3525
28182
56349d9ca566 Fix textscan when literal and delimiter might be the same character (bug #58008).
Rik <rik@octave.org>
parents: 27957
diff changeset
3526 // 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
3527 // 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
3528 // 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
3529 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
3530 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
3531 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
3532 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3533
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3534 if (is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3535 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3536 if (! done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3537 done_after = i+1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3538
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3539 // 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
3540 done = true;
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 if (this_conversion_failed)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3544 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3545 if (is.tellg () == pos && ! conversion_failed)
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3546 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3547 // done_after = first failure
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3548 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
3549 conversion_failed = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3550 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3551 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3552 this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3553 }
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22407
diff changeset
3554 else if (! done && ! conversion_failed)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3555 nothing_worked = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3556 }
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 if (done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3559 is.setstate (std::ios::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3560
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3561 return no_conversions
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3562 + (is.eof () ? 2 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3563 + (conversion_failed ? 4 : 0)
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3564 + (nothing_worked ? 8 : 0);
22326
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3567
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3568 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3569 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
3570 textscan_format_list& fmt_list)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3571 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3572 int last = args.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3573 int n = last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3574
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3575 if (n & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3576 error ("%s: %d parameters given, but only %d values",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3577 m_who.c_str (), n-n/2, n/2);
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3578
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3579 m_delim_len = 1;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3580 bool have_delims = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3581 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
3582 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3583 std::string param = args(i).xstring_value ("%s: Invalid parameter type <%s> for parameter %d",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3584 m_who.c_str (),
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3585 args(i).type_name ().c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3586 i/2 + 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3587 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
3588
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3589 if (param == "delimiter")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3590 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3591 bool invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3592 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3593 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3594 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3595 have_delims = true;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3596 m_delims = args(i+1).string_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3597 if (args(i+1).is_sq_string ())
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3598 m_delims = do_string_escapes (m_delims);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3599 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3600 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
3601 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3602 invalid = false;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3603 m_delim_list = args(i+1).cell_value ();
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3604 m_delim_table = " "; // non-empty, to flag non-default delim
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3605
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3606 // Check that all elements are strings, and find max length
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3607 for (int j = 0; j < m_delim_list.numel (); j++)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3608 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3609 if (! m_delim_list(j).is_string ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3610 invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3611 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3612 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3613 if (m_delim_list(j).is_sq_string ())
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3614 m_delim_list(j) = do_string_escapes (m_delim_list(j)
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
3615 .string_value ());
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3616 octave_idx_type len = m_delim_list(j).string_value ()
27932
b018f553fd85 maint: Use Octave coding conventions in libinterp/
Rik <rik@octave.org>
parents: 27923
diff changeset
3617 .length ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3618 m_delim_len = std::max (static_cast<int> (len),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3619 m_delim_len);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3620 }
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3623 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3624 error ("%s: Delimiters must be either a string or cell array of strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3625 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3626 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3627 else if (param == "commentstyle")
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 if (args(i+1).is_string ())
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3630 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3631 // check here for names like "C++", "C", "shell", ...?
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3632 m_comment_style = Cell (args(i+1));
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3633 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3634 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
3635 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3636 m_comment_style = args(i+1).cell_value ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3637 int len = m_comment_style.numel ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3638 if ((len >= 1 && ! m_comment_style (0).is_string ())
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3639 || (len >= 2 && ! m_comment_style (1).is_string ())
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3640 || (len >= 3))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3641 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3642 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3643 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3644 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3645 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3646 m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3647
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3648 // 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
3649 // and which character do we look for?
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3650 if (m_comment_style.numel () >= 1)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3651 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3652 m_comment_len = m_comment_style (0).string_value ().size ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3653 m_comment_char = m_comment_style (0).string_value ()[0];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3654 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3655 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3656 else if (param == "treatasempty")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3657 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3658 bool invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3659 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3660 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3661 m_treat_as_empty = Cell (args(i+1));
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3662 m_treat_as_empty_len = args(i+1).string_value ().size ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3663 }
23576
00e518162fda maint: Deprecate is_cell and replace with iscell.
Rik <rik@octave.org>
parents: 23534
diff changeset
3664 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
3665 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3666 m_treat_as_empty = args(i+1).cell_value ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3667 for (int j = 0; j < m_treat_as_empty.numel (); j++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3668 if (! m_treat_as_empty (j).is_string ())
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3669 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
3670 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
3671 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3672 int k = m_treat_as_empty (j).string_value ().size ();
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3673 if (k > m_treat_as_empty_len)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3674 m_treat_as_empty_len = k;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3675 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3676 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3677 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3678 error ("%s: TreatAsEmpty must be either a string or cell array of one or two strings",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3679 m_who.c_str ());
22326
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 // 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
3682 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3683 else if (param == "collectoutput")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3684 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3685 m_collect_output = args(i+1).xbool_value ("%s: CollectOutput must be logical or numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3686 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3687 else if (param == "emptyvalue")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3688 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3689 m_empty_value = args(i+1).xscalar_value ("%s: EmptyValue must be numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3690 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3691 else if (param == "headerlines")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3692 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3693 m_header_lines = args(i+1).xscalar_value ("%s: HeaderLines must be numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3694 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3695 else if (param == "bufsize")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3696 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3697 m_buffer_size = args(i+1).xscalar_value ("%s: BufSize must be numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3698 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3699 else if (param == "multipledelimsasone")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3700 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3701 multiple_delims_as_one = args(i+1).xbool_value ("%s: MultipleDelimsAsOne must be logical or numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3702 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3703 else if (param == "returnonerror")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3704 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3705 m_return_on_error = args(i+1).xbool_value ("%s: ReturnOnError must be logical or numeric", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3706 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3707 else if (param == "whitespace")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3708 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3709 m_whitespace = args(i+1).xstring_value ("%s: Whitespace must be a character string", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3710 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3711 else if (param == "expchars")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3712 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3713 m_exp_chars = args(i+1).xstring_value ("%s: ExpChars must be a character string", m_who.c_str ());
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3714 m_default_exp = false;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3715 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3716 else if (param == "endofline")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3717 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3718 bool valid = true;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3719 std::string s = args(i+1).xstring_value (R"(%s: EndOfLine must be at most one character or '\r\n')", m_who.c_str ());
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3720 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
3721 s = do_string_escapes (s);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3722 int l = s.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3723 if (l == 0)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3724 m_eol1 = m_eol2 = -2;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3725 else if (l == 1)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3726 m_eol1 = m_eol2 = s.c_str ()[0];
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3727 else if (l == 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3728 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3729 m_eol1 = s.c_str ()[0];
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3730 m_eol2 = s.c_str ()[1];
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3731 if (m_eol1 != '\r' || m_eol2 != '\n') // Why limit it?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3732 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3733 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3734 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3735 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3736
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3737 if (! valid)
23804
8057d3f0673d Use C++11 raw string literals to avoid escaping backslashes in strings.
Rik <rik@octave.org>
parents: 23803
diff changeset
3738 error (R"(%s: EndOfLine must be at most one character or '\r\n')",
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3739 m_who.c_str ());
22326
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 else
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3742 error ("%s: unrecognized option '%s'", m_who.c_str (), param.c_str ());
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3743 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3744
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3745 // Remove any user-supplied delimiter from whitespace list
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3746 for (unsigned int j = 0; j < m_delims.length (); j++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3747 {
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3748 m_whitespace.erase (std::remove (m_whitespace.begin (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3749 m_whitespace.end (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3750 m_delims[j]),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3751 m_whitespace.end ());
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3752 }
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3753 for (int j = 0; j < m_delim_list.numel (); j++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3754 {
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3755 std::string delim = m_delim_list(j).string_value ();
24303
ddc91a2ee0e0 Remove all delimiters from whitespace list in textscan function (bug #52479).
Daniel J Sebald <daniel.sebald@ieee.org>
parents: 24175
diff changeset
3756 if (delim.length () == 1)
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3757 m_whitespace.erase (std::remove (m_whitespace.begin (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3758 m_whitespace.end (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3759 delim[0]),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3760 m_whitespace.end ());
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3761 }
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3762
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3763 m_whitespace_table = std::string (256, '\0');
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3764 for (unsigned int i = 0; i < m_whitespace.length (); i++)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3765 m_whitespace_table[m_whitespace[i]] = '1';
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3766
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3767 // 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
3768 // whitespace is explicitly ignored.
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3769 if (! (m_whitespace.empty () && fmt_list.has_string))
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3770 m_whitespace_table[' '] = '1';
22326
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 // Create look-up table of delimiters, based on 'delimiter'
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3773 m_delim_table = std::string (256, '\0');
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3774 if (m_eol1 >= 0 && m_eol1 < 256)
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3775 m_delim_table[m_eol1] = '1'; // EOL is always a delimiter
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3776 if (m_eol2 >= 0 && m_eol2 < 256)
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3777 m_delim_table[m_eol2] = '1'; // EOL is always a delimiter
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3778 if (! have_delims)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3779 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
3780 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3781 if (isspace (i))
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3782 m_delim_table[i] = '1';
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3783 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3784 else
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3785 for (unsigned int i = 0; i < m_delims.length (); i++)
30171
7bac3fb3d6b6 maint: Use "m_" prefix for additional member variable in class textscan (cset 8e63cdd88ba6).
Rik <rik@octave.org>
parents: 30168
diff changeset
3786 m_delim_table[m_delims[i]] = '1';
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3787 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3788
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3789 // 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
3790 // 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
3791
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3792 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3793 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
3794 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3795 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
3796 bool found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3797
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3798 do
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3799 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3800 found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3801 int prev = -1;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3802 while (is
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3803 && (c1 = is.get_undelim ()) != std::istream::traits_type::eof ()
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3804 && ( ( (c1 == m_eol1 || c1 == m_eol2) && ++m_lines && ! EOLstop)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3805 || isspace (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3806 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3807 if (prev == m_eol1 && m_eol1 != m_eol2 && c1 == m_eol2)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3808 m_lines--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3809 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3810 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3811
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3812 if (c1 == m_comment_char) // see if we match an open comment
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3813 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3814 // 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
3815 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3816 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3817
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3818 std::string tmp (m_comment_len, '\0');
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3819 char *look = is.read (&tmp[0], m_comment_len-1, pos); // already read first char
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3820 if (is && m_comment_style.numel () > 0
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3821 && ! strncmp (m_comment_style(0).string_value ().substr (1).c_str (),
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3822 look, m_comment_len-1))
22326
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 found_comment = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3825
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3826 std::string dummy;
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3827 if (m_comment_style.numel () == 1) // skip to end of line
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3828 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3829 std::string eol (3, '\0');
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3830 eol[0] = m_eol1;
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3831 eol[1] = m_eol2;
22326
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 scan_caret (is, eol, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3834 c1 = is.get_undelim ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3835 if (c1 == m_eol1 && m_eol1 != m_eol2
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3836 && is.peek_undelim () == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3837 is.get_undelim ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3838 m_lines++;
22326
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 else // matching pair
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3841 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3842 std::string end_c = m_comment_style(1).string_value ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3843 // last char of end-comment sequence
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3844 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
3845 std::string may_match ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3846 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3847 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3848 // 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
3849 scan_caret (is, last, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3850 is.get_undelim (); // (read LAST itself)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3851
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3852 may_match = may_match + dummy + last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3853 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
3854 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3855 std::size_t start = may_match.length ()
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3856 - end_c.length ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3857 may_match = may_match.substr (start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3858 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3859 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3860 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
3861 }
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 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
3864 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3865 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3866 is.seekg (pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3867 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3868 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3869 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3870 while (found_comment);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3871
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3872 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
3873 is.putback (c1);
27424
17b915ad4b73 Fix error with %q format and textscan (bug #56917).
Rik <rik@octave.org>
parents: 27385
diff changeset
3874
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3875 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3876 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3877
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3878 // 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
3879 // 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
3880 // 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
3881
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3882 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3883 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
3884 bool case_sensitive) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3885 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3886 // target strings may be different sizes.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3887 // 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
3888 // that matches.
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 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3891
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3892 std::string tmp (max_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3893 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
3894
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3895 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
3896 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
3897 // 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
3898
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3899 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
3900 int (*compare)(const char *, const char *, std::size_t);
30536
9e47c6f6b548 Use octave_strncasecmp wrapper instead of strncasecmp.
Gene Harvey <gharveymn@gmail.com>
parents: 30390
diff changeset
3901 compare = (case_sensitive ? strncmp : octave_strncasecmp);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3902
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3903 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
3904 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3905 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
3906 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
3907 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3908 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
3909 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3910 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3911 }
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 (i == targets.numel ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3914 i = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3915
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3916 return i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3917 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3918
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3919 // Skip delimiters -- multiple if MultipleDelimsAsOne specified.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3920 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3921 textscan::skip_delim (delimited_stream& is)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3922 {
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3923 int c1 = skip_whitespace (is); // Stop once EOL is read
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3924 if (m_delim_list.numel () == 0) // single character delimiter
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3925 {
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3926 if (is_delim (c1) || c1 == m_eol1 || c1 == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3927 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3928 is.get ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3929 if (c1 == m_eol1 && is.peek_undelim () == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3930 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
3931
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3932 if (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3933 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3934 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3935 // skip multiple delims.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3936 // Increment lines for each end-of-line seen;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3937 // Decrement for \r\n
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3938 while (is && ((c1 = is.get_undelim ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3939 != std::istream::traits_type::eof ())
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3940 && (((c1 == m_eol1 || c1 == m_eol2) && ++m_lines)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3941 || isspace (c1) || is_delim (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3942 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3943 if (prev == m_eol1 && m_eol1 != m_eol2 && c1 == m_eol2)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3944 m_lines--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3945 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3946 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3947 if (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3948 is.putback (c1);
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3951 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3952 else // multi-character delimiter
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 int first_match;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3955
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3956 if (c1 == m_eol1 || c1 == m_eol2
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3957 || (-1 != (first_match = lookahead (is, m_delim_list, m_delim_len))))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3958 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3959 if (c1 == m_eol1)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3960 {
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
3961 is.get_undelim ();
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3962 if (is.peek_undelim () == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3963 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3964 }
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3965 else if (c1 == m_eol2)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3966 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3967 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3968 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3969
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3970 if (multiple_delims_as_one)
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 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3973 // skip multiple delims.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3974 // Increment lines for each end-of-line seen;
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3975 // decrement for \r\n.
28183
abcff237241f Fix textscan handling of empty fields at end of line (Bug #57612).
Rik <rik@octave.org>
parents: 28182
diff changeset
3976 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
3977 != std::istream::traits_type::eof ())
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3978 && (((c1 == m_eol1 || c1 == m_eol2) && ++m_lines)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3979 || -1 != lookahead (is, m_delim_list, m_delim_len)))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3980 {
30168
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3981 if (prev == m_eol1 && m_eol1 != m_eol2 && c1 == m_eol2)
8e63cdd88ba6 maint: use "m_" prefix for member variables in class textscan.
Rik <rik@octave.org>
parents: 30167
diff changeset
3982 m_lines--;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3983 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3984 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3985 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3986 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3987 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3988
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3989 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3990 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3991
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3992 // 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
3993 // 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
3994 // false (and set failbit).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3995
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3996 bool
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3997 textscan::match_literal (delimited_stream& is,
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
3998 const textscan_format_elt& fmt)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3999 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4000 // "false" -> treat EOL as normal space
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4001 // 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
4002 skip_whitespace (is, false);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4003
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4004 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
4005 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4006 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4007 if (ch != fmt.text[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4008 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4009 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
4010 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4011 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4012 return false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4013 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4014 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4015 return true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
4016 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4017
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4018 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4019 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
4020 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4021 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4022 m_errmsg = msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4023 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4024
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4025 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4026 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
4027 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4028 m_fail = true;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4029 m_errmsg = who + ": " + msg;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4030 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4031
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4032 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4033 base_stream::clear (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4034 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4035 m_fail = false;
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
4036 m_errmsg = "";
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4037 }
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 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4040 base_stream::clearerr (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4041 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4042 std::istream *is = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4043 std::ostream *os = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4044
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4045 if (is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4046 is->clear ();
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 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4049 os->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4050 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4051
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4052 // 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
4053 // are those that define is).
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4056 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
4057 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
4058 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4059 interpreter& interp = __get_interpreter__ ("base_stream::do_gets");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4060
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4061 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
4062 ::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
4063 who.c_str ());
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 std::string retval;
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 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4068
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4069 std::istream *isp = input_stream ();
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 if (! isp)
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 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4074 invalid_operation (who, "reading");
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 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4078 std::istream& is = *isp;
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 std::ostringstream buf;
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 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4083 int char_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4084
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4085 if (max_len != 0)
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 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
4088 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4089 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4090
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4091 // 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
4092 if (c == '\r')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4093 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4094 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4095 buf << static_cast<char> (c);
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 c = is.get ();
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 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
4100 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4101 if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4102 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4103 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4104
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4105 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4106 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4107 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4108 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4109 is.putback (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4110 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4111
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4112 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4113 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4114 else if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4115 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4116 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4117 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4118
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4119 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4120 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4121 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4122 buf << static_cast<char> (c);
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 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
4125 break;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4128
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4129 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
4130 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4131 // 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
4132 // 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
4133 // corresponding C-library functions do.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4134 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
4135 if (! is.eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4136 is.putback (disgusting_compatibility_hack);
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4139 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
4140 {
8edca821f170 Add basic support for string encoding with fgetl and fgets (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27474
diff changeset
4141 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
4142 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
4143 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
4144 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4145 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4146 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4147 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4149 if (is.eof () && char_count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4150 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
4151 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4152 error (who, "read error");
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 }
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4159 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4160 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
4161 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4162 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4163 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
4164 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4165
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4166 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4167 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
4168 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4169 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4170 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
4171 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4172
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4173 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4174 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
4175 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4176 interpreter& interp = __get_interpreter__ ("base_stream::skipl");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4177
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4178 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
4179 ::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
4180 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4181
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4182 off_t cnt = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4183
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4184 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4185
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4186 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4187
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4188 if (! isp)
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 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4191 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4192 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4193 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4194 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4195 std::istream& is = *isp;
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 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4198 int lastc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4199 cnt = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4200
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4201 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
4202 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4203 // 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
4204 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
4205 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4206 if (++cnt == num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4207 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4208 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4209
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4210 lastc = c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4211 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4212
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4213 // 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
4214 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
4215 is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4216
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4217 if (is.bad ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4218 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4219 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4220 error (who, "read error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4221 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4222
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4223 if (err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4224 cnt = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4225 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4226
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4227 return cnt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4228 }
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 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4231 static std::istream&
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4232 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
4233 T *valptr)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4234 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4235 T value = T ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4236
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4237 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4238 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4239 case 'o':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4240 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
4241 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4242
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4243 case 'x':
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4244 case 'X':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4245 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
4246 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4247
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4248 case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4249 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4250 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
4251
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4252 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
4253 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4254 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4255
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4256 if (c1 != std::istream::traits_type::eof ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4257 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4258 if (c1 == '0')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4259 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4260 int c2 = is.peek ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4261
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4262 if (c2 == 'x' || c2 == 'X')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4263 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4264 is.ignore ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4265 if (std::isxdigit (is.peek ()))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4266 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
4267 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4268 value = 0;
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 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4271 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4272 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
4273 || 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
4274 || c2 == '6' || c2 == '7')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4275 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
4276 else if (c2 == '8' || c2 == '9')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4277 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4278 // 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
4279 // 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
4280 // input to fcn.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4281 // 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
4282 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4283 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4284 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4285 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4286 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4287 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4288 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4289 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4290 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4291
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4292 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4293 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4294 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4295 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4296 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4297
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4298 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4299 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4300 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4301 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4302
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4303 // 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
4304 // 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
4305 // 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
4306 // 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
4307 // *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
4308 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
4309 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
4310
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4311 // 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
4312 // want to continue reading.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4313 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
4314 *valptr = value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4315
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4316 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4317 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4318
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4319 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4320 static std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4321 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
4322 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4323 if (fmt.width)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4324 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4325 // 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
4326 // temporary stringstream buffer.
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4327 std::string strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4328
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4329 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
4330
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4331 is.width (fmt.width);
27132
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4332 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4333
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4334 std::istringstream ss (strbuf);
23059
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 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
4337
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4338 if (! ss.eof ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4339 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4340 // 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
4341 // 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
4342 // 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
4343 // 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
4344 // all flags get set correctly.
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4345
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4346 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
4347 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
4348
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4349 int chars_read = ss.tellg ();
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4350 if (chars_read > 0)
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4351 {
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4352 is.width (chars_read);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4353 is >> strbuf;
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4354 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4355 }
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4356
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4357 // 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
4358 if (ss.fail ())
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4359 is.setstate (std::ios::failbit);
8ea53aa9ac39 Fix stream positioning when using scanf with widths (bug #56200).
Rik <rik@octave.org>
parents: 27102
diff changeset
4360
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4361 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4362 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4363 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
4364
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4365 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4366 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4367
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4368 template <>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4369 std::istream&
23449
c763214a8260 maint: Use convention 'int *x' for naming pointers.
Rik <rik@octave.org>
parents: 23446
diff changeset
4370 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
4371 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4372 double& ref = *valptr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4373
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4374 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4375 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4376 case 'e':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4377 case 'f':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4378 case 'g':
27382
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4379 case 'E':
9354d33dfbc4 accept 'E' and 'G' as scanf conversion specifiers (bug #56869)
John W. Eaton <jwe@octave.org>
parents: 27301
diff changeset
4380 case 'G':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4381 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4382 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
4383
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4384 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
4385 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4386 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4387
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4388 if (c1 != std::istream::traits_type::eof ())
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4389 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4390 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4391
28857
43ad651cf5a0 eliminate unnecessary uses of octave:: namespace qualifier
John W. Eaton <jwe@octave.org>
parents: 28631
diff changeset
4392 ref = read_value<double> (is);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4393 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4394 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4395 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4398 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4399 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4400 }
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 return is;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4405 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
4406 static void
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4407 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
4408 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
4409 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
4410 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
4411 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4412 octave_scan (is, fmt, valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4413
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4414 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4415 return;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4416
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4417 if (idx == max_size && ! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4418 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4419 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4420
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4421 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4422 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
4423 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4424 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
4425
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4426 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4427 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4428
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4429 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4430 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4431 conversion_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4432 data[idx++] = *(valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4433 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4434 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4435
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4436 template void
30390
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
4437 do_scanf_conv (std::istream&, const scanf_format_elt&, double *,
a61e1a0f6024 maint: style check C++ files in libinterp/ ahead of 7.1 release.
Rik <rik@octave.org>
parents: 30171
diff changeset
4438 Matrix&, double *, octave_idx_type&, octave_idx_type&,
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4439 octave_idx_type, octave_idx_type, bool);
2572
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
4440
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4441 #define DO_WHITESPACE_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4442 do \
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 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4445 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4446 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
4447 && isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4448 { /* skip whitespace */ } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4449 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4450 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4451 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4452 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4453 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4454
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4455 #define DO_LITERAL_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4456 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4457 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4458 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4459 \
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4460 int n = fmt.length (); \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4461 int i = 0; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4462 \
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4463 while (i < n && is \
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4464 && (c = is.get ()) != std::istream::traits_type::eof ()) \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4465 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4466 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
4467 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4468 i++; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4469 continue; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4470 } \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4471 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4472 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4473 is.putback (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4474 break; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4475 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4476 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4477 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4478 if (i != n) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4479 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4480 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4481 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4482
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4483 #define DO_PCT_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4484 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4485 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4486 int c = is.get (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4487 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4488 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4489 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4490 if (c != '%') \
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 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4493 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4494 } \
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 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4497 is.setstate (std::ios::failbit); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4498 } \
3640
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4499 while (0)
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4500
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4501 #define BEGIN_C_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4502 is.unsetf (std::ios::skipws); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4503 \
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
4504 int width = (elt->width ? elt->width : 1); \
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 std::string tmp (width, '\0'); \
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 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4509 int n = 0; \
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 while (is && n < width \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4512 && (c = is.get ()) != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4513 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4514 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4515 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
4516 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4517 \
12984
7626f8934466 correctly resize scanf output for %c formats (bug #34037)
John W. Eaton <jwe@octave.org>
parents: 12966
diff changeset
4518 tmp.resize (n)
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4519
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4520 // 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
4521 // 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
4522 #define BEGIN_S_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4523 int width = elt->width; \
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 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4526 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4527 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4528 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4529 if (width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4530 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4531 tmp = std::string (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4532 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4533 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4534 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4535 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4536 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4537 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
4538 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4539 if (! isspace (c)) \
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 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4542 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4543 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4544 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4545 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4546 while (is && n < width \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4547 && (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
4548 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4549 if (isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4550 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4551 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4552 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4553 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4554 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4555 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4556 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4557 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4558 if (n > 0 && c == std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4559 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4560 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4561 tmp.resize (n); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4562 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4563 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4564 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4565 is >> std::ws >> tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4566 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4567 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4568 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4569
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4570 // 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
4571 #define BEGIN_CHAR_CLASS_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4572 int width = elt->width; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4573 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4574 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4575 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4576 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4577 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4578 if (! width) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4579 width = std::numeric_limits<int>::max (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4580 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4581 std::ostringstream buf; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4582 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4583 std::string char_class = elt->char_class; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4584 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4585 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4586 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4587 if (elt->type == '[') \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4588 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4589 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4590 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4591 && (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
4592 && 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
4593 buf << static_cast<char> (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4594 } \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4595 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4596 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4597 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4598 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4599 && (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
4600 && 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
4601 buf << static_cast<char> (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4602 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4603 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4604 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
4605 && 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
4606 is.putback (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4607 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4608 tmp = buf.str (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4609 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4610 if (tmp.empty ()) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4611 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4612 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
4613 is.clear (); \
22197
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 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4616 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4617
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4618 #define FINISH_CHARACTER_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4619 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4620 { \
26703
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
4621 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
4622 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
4623 width = tmp.length (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4624 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4625 if (is) \
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 int i = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4628 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4629 if (! discard) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4630 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4631 conversion_count++; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4632 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4633 while (i < width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4634 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4635 if (data_index == max_size) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4636 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4637 max_size *= 2; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4638 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4639 if (all_char_conv) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4640 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4641 if (one_elt_size_spec) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4642 mval.resize (1, max_size, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4643 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4644 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4645 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4646 panic_impossible (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4647 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4648 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4649 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4650 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4651 mval.resize (max_size, 1, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4652 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4653 data = mval.fortran_vec (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4654 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4655 \
24496
62a7d3f292d6 Correctly handle reading of characters >127 in scanf family (bug #52681).
Markus Mützel <markus.muetzel@gmx.de>
parents: 24303
diff changeset
4656 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
4657 (tmp[i++]); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4658 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4659 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4660 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4661 } \
3410
ee5f222025c3 [project @ 2000-01-07 04:19:05 by jwe]
jwe
parents: 3342
diff changeset
4662 while (0)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
4663
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4664 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4665 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
4666 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
4667 bool one_elt_size_spec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4668 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4669 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4670 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4671 interpreter& interp = __get_interpreter__ ("base_stream::do_scanf");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4672
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
4673 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
4674 ::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
4675 who.c_str ());
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 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4678
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4679 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4680
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4681 octave_idx_type m_nconv = fmt_list.num_conversions ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4682
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4683 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
4684
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4685 if (nr == 0 || 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 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4688 nc = 0;
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 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
4691 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4692
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4693 std::istream *isp = input_stream ();
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 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
4696
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4697 Matrix mval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4698 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
4699 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
4700
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4701 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
4702 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
4703
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4704 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4705 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4706 // 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
4707 // 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
4708 if (one_elt_size_spec)
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 max_size = 512;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4711 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
4712
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4713 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4714 max_conv = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4715 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4716 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4717 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4718 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4719 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4720 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
4721 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
4722 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4723 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4724 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4725 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
4726 max_size = nr * 32;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4729 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4730 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4731 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4732 else if (nr > 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 if (nc > 0)
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 // Will not resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4737 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
4738 max_size = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4739 max_conv = max_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4740 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4741 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4742 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4743 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4744 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
4745 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4746 }
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4749 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4750 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4751 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
4752 max_size = 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4753 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4754
26411
ab6b8d8e0307 oct-stream.cc: Fix static analyzer detected V519 issue (bug #55347).
Andreas Weber <octave@josoansi.de>
parents: 26376
diff changeset
4755 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
4756
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4757 if (isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4758 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4759 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4760
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4761 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
4762
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4763 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
4764
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4765 octave_idx_type trips = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4766
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4767 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
4768
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4769 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4770 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4771 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4772
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4773 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4774 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4775 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
4776 || (! (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
4777 || 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
4778 || elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4779 && 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
4780 {
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4781 // We are done, either because we have reached the end of
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4782 // the format string and are not cycling through the format
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4783 // again or because we've converted all the values that
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4784 // have been requested and the next format element is a
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
4785 // conversion. Determine final array size and exit.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4786 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
4787 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4788 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4789 final_nc = data_index;
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 else
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 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4794 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
4795 }
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4798 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4799 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
4800 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4801 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4802
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4803 if (all_char_conv)
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 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4806 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
4807 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4808 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
4809 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4810 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4811 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4812 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4813 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
4814 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4815 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
4816
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4817 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4818 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4819
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
4820 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
4821
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4822 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4823
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4824 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4825 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4826 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
4827 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4828 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4829
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4830 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
4831 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4832 break;
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 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4835 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4836 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4837
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4838 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4839 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4840 switch (elt->modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4841 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4842 case 'h':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4843 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4844 int16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4845 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4846 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4847 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4848 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4849 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4850
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4851 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4852 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4853 int64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4854 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4855 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4856 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4857 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4858 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4859
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4860 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4861 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4862 int32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4863 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
4864 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4865 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4866 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4867 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4868 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4869 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4870 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4871
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
4872 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
4873 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4874 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4875 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4876 case 'h':
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 uint16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4879 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4880 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4881 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4882 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4883 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4884
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4885 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4886 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4887 uint64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4888 do_scanf_conv (is, *elt, &tmp, mval, data,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4889 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4890 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4891 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4892 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4895 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4896 uint32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4897 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
4898 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4899 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4900 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4901 break;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4902 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4903 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4904 break;
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 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
4907 case 'E': case 'G':
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4908 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4909 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4910
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4911 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
4912 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4913 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4914 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4915 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4916
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4917 case 'c':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4918 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4919 BEGIN_C_CONVERSION ();
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 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4922
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4923 is.setf (flags);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4924 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4925 break;
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 case 's':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4928 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4929 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4930
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4931 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4932 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4933 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4934
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4935 case '[': case '^':
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 BEGIN_CHAR_CLASS_CONVERSION ();
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 FINISH_CHARACTER_CONVERSION ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4940 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4941 break;
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 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4944 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
4945 break;
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 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
4948 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
4949 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4950 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4951
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4952 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4953 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4954 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4955 }
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4956 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
4957 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4958 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4959 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4960 if (one_elt_size_spec)
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 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4963 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4964 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4965 else if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4966 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4967 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4968 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
4969 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4970 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4971 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4972 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4973 final_nc = 1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4976 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4977 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4978 if (data_index > nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4979 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4980 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4981 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
4982 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4983 else
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 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4986 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4987 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4988 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4989 else
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 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4992 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4993 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4994
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4995 // 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
4996 // 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
4997 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
4998 {
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
4999 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
5000 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
5001 }
23059
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 // 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
5004 if (interp.interactive ()
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5005 && ! application::forced_interactive ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5006 && name () == "stdin")
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 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5009
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5010 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5011 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5012 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
5013 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5014
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5015 break;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5019 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5020 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
5021 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5022 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5023
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5024 if (m_nconv == 0 && ++trips == num_fmt_elts)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5025 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5026 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
5027 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5028 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5029 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5030 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5031 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5032 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5033 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5034 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
5035 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5037 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5038 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5039 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5040 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5041 // 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
5042 // 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
5043 // 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
5044 // specified limit).
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5045 elt = fmt_list.next (m_nconv > 0
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5046 && (max_conv == 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5047 || conversion_count < max_conv));
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5050 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5051
27137
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5052 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
5053
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5054 retval = mval;
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5055
30f53f7a7293 Return correct error messages on octave-streams when scanf fails (bug #56396)
Rik <rik@octave.org>
parents: 27136
diff changeset
5056 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
5057 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
5058
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5059 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5060 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5061
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5062 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5063 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
5064 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5065 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 octave_value retval = Matrix ();
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 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5070
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5071 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5072
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5073 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5074 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5075 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5076 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5077 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
5078
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5079 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
5080 ::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
5081
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5082 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5083 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5084
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5085 bool one_elt_size_spec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5086
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5087 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
5088
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5089 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
5090 conversion_count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5091 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5092
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5093 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5094 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5095
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5096 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5097 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
5098 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
5099 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5100 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5101
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5102 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5103 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5104
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5105 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5106
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5107 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5108
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5109 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
5110
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5111 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5112 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5113 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
5114
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5115 bool discard = elt->discard;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5116
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5117 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5118 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5119 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
5120 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5121 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5122
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5123 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
5124 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5125 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5126
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5127 case '%':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5128 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5129 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5130
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5131 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5132 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5133 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5134 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5135
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5136 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5137 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5138 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5139 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5140 case 'h':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5141 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5142 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
5143 if (octave_scan (is, *elt, &tmp))
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5144 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5145 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
5146 retval = tmp;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5147 }
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5148 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5149 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5150 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5151 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
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 'l':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5154 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5155 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
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;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5163 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5164 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5165
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5166 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
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 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
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 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5177 break;
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5178 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5179 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5180 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5181
27385
9a59876c1c4c accept 'X' as scanf conversion specifier (bug #56869)
Mike Miller <mtmiller@octave.org>
parents: 27382
diff changeset
5182 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
5183 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5184 switch (elt->modifier)
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5185 {
23965
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5186 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
5187 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5188 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
5189 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
5190 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5191 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
5192 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
5193 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5194 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5195 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
5196 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5197 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5198
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5199 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
5200 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5201 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
5202 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
5203 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5204 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
5205 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
5206 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5207 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5208 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
5209 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5210 break;
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5211
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5212 default:
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5213 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5214 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
5215 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
5216 {
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5217 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
5218 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
5219 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5220 else
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5221 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
5222 }
6f0c2963674b allow large ints to be read by C-style scanf (bug #51794)
John W. Eaton <jwe@octave.org>
parents: 23824
diff changeset
5223 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5224 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5225 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5226 break;
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 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
5229 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
5230 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5231 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5232
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5233 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
5234 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5235 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5236 retval = tmp;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5237 }
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5238 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5239 quit = true;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5240 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5241 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5242
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5243 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
5244 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5245 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5246
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5247 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5248 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5249
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5250 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5251 quit = true;
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 is.setf (flags);
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5254 }
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 case 's':
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 BEGIN_S_CONVERSION ();
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 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5262 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5263
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5264 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5265 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
5266 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5267 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5268
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5269 case '[':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5270 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
5271 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5272 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5273
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5274 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5275 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5276
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5277 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5278 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
5279 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5280 break;
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 case 'p':
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5283 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
5284 break;
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 default:
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
5287 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
5288 break;
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 }
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 if (ok () && is.fail ())
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 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
5295
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5296 // 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
5297
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5298 interpreter& interp = __get_interpreter__ ("base_stream::do_oscanf");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5299
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5300 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
5301 && name () == "stdin")
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5302 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5303 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5304 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5305 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
5306 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5307 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5308
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5309 return quit;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5312 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5313 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
5314 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5315 octave_value_list retval;
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 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5318
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5319 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5320 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5321 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5322 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5323 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5324
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5325 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
5326
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5327 octave_idx_type m_nconv = fmt_list.num_conversions ();
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5328
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5329 if (m_nconv == -1)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5330 ::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
5331
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5332 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5333
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5334 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
5335
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5336 retval.resize (m_nconv+2, Matrix ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5337
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5338 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
5339
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5340 int num_values = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5341
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5342 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5343
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5344 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
5345 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5346 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5347
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5348 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
5349
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5350 if (quit)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5351 break;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5352 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5353 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5354 if (tmp.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5355 retval(num_values++) = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5356
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5357 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5358 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5359
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5360 elt = fmt_list.next (m_nconv > 0);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5361 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5362 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5363
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5364 retval(m_nconv) = num_values;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5365
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5366 int err_num;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5367 retval(m_nconv+1) = error (false, err_num);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5368
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5369 if (! quit)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5370 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5371 // Pick up any trailing stuff.
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5372 if (ok () && len > m_nconv)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5373 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5374 octave_value tmp;
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 elt = fmt_list.next ();
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 do_oscanf (elt, tmp, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5379 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5380 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5381 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5382
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5383 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5386 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5387 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
5388 octave_idx_type ntimes,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5389 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5390 const std::string& who,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5391 octave_idx_type& read_count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5392 {
27301
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5393 interpreter& interp = __get_interpreter__ ("base_stream::do_textscan");
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5394
a2b1ba6c92d5 eliminate unnecessary application::interative function
John W. Eaton <jwe@octave.org>
parents: 27279
diff changeset
5395 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
5396 ::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
5397 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5398
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5399 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
5400
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5401 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5402
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5403 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5404 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5405 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5406 {
26706
ccea3574f36b Support encoding of file streams in textscan (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26705
diff changeset
5407 textscan scanner (who, encoding ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5408
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5409 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
5410 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5413 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5414
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5415 // 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
5416 // (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
5417
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5418 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5419 base_stream::flush (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5420 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5421 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5422
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5423 std::ostream *os = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5424
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5425 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5426 invalid_operation ("fflush", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5427 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5428 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5429 os->flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5430
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5431 if (os->good ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5432 retval = 0;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5435 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5436 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5437
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5438 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5439 printf_value_cache
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5440 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5441 public:
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 enum state { ok, conversion_error };
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 printf_value_cache (const octave_value_list& args, const std::string& who)
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5446 : m_values (args), m_val_idx (0), m_elt_idx (0),
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5447 m_n_vals (m_values.length ()), m_n_elts (0), m_have_data (false),
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5448 m_curr_state (ok)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5449 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5450 for (octave_idx_type i = 0; i < m_values.length (); i++)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5451 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5452 octave_value val = m_values(i);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5453
23587
0c468af9dc00 maint: Deprecate is_object and replace with isobject.
Rik <rik@octave.org>
parents: 23584
diff changeset
5454 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
5455 err_wrong_type_arg (who, val);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5456 }
2215
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5457 }
ab0e1fd337f5 [project @ 1996-05-16 15:56:40 by jwe]
jwe
parents: 2213
diff changeset
5458
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5459 // No copying!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5460
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5461 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
5462
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5463 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
5464
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5465 ~printf_value_cache (void) = default;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5466
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5467 // 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
5468 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
5469
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
5470 // 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
5471 // 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
5472 // 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
5473
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5474 int int_value (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5475
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5476 operator bool () const { return (m_curr_state == ok); }
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5477
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5478 bool exhausted (void) { return (m_val_idx >= m_n_vals); }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5479
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5480 private:
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 // 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
5483 printf_value_cache (void);
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5484
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5485 //--------
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5486
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5487 const octave_value_list m_values;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5488 octave_idx_type m_val_idx;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5489 octave_idx_type m_elt_idx;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5490 octave_idx_type m_n_vals;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5491 octave_idx_type m_n_elts;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5492 bool m_have_data;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5493 octave_value m_curr_val;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5494 state m_curr_state;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5495 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5496
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5497 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5498 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
5499 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5500 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5501
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5502 if (exhausted ())
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5503 m_curr_state = conversion_error;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5504
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5505 while (! exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5506 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5507 if (! m_have_data)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5508 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5509 m_curr_val = m_values (m_val_idx);
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5510
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5511 m_elt_idx = 0;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5512 m_n_elts = m_curr_val.numel ();
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5513 m_have_data = true;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5514 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5515
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5516 if (m_elt_idx < m_n_elts)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5517 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5518 if (type == 's')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5519 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5520 if (m_curr_val.is_string ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5521 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5522 dim_vector dv (1, m_curr_val.numel ());
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5523 octave_value tmp = m_curr_val.reshape (dv);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5524
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5525 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
5526
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5527 retval = sval.substr (m_elt_idx);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5528
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5529 // We've consumed the rest of the value.
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5530 m_elt_idx = m_n_elts;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5531 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5532 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5533 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5534 // 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
5535 // integers in the range [0 : char max]
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5536 const NDArray val = m_curr_val.array_value ();
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5537
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5538 octave_idx_type idx = m_elt_idx;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5539
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5540 for (; idx < m_n_elts; idx++)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5541 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5542 double dval = val(idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5543
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5544 if (math::x_nint (dval) != dval
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5545 || dval < 0 || dval > 255)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5546 break;
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
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5549 octave_idx_type n = idx - m_elt_idx;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5550
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5551 if (n > 0)
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 std::string sval (n, '\0');
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5554
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5555 for (octave_idx_type i = 0; i < n; i++)
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5556 sval[i] = val(m_elt_idx++);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5557
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5558 retval = sval;
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 else
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5561 retval = m_curr_val.fast_elem_extract (m_elt_idx++);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5562 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5563 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5564 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5565 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5566 retval = m_curr_val.fast_elem_extract (m_elt_idx++);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5567
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5568 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
5569 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5570 double dval = retval.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5571
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5572 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
5573 retval = static_cast<char> (dval);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5574 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5575 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5576
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5577 if (m_elt_idx >= m_n_elts)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5578 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5579 m_elt_idx = 0;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5580 m_val_idx++;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5581 m_have_data = false;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5582 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5583
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5584 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5585 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5586 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5587 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5588 m_val_idx++;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5589 m_have_data = false;
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5590
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5591 if (m_n_elts == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5592 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5593 if (m_elt_idx == 0)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5594 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5595 if (type == 's' || type == 'c')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5596 retval = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5597 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5598 retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5599
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5600 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5603 if (exhausted ())
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5604 m_curr_state = conversion_error;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5605 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5606 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5607 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5608
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5609 return retval;
7352
fab9bc33b949 [project @ 2008-01-07 18:54:45 by jwe]
jwe
parents: 7227
diff changeset
5610 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
5611
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5612 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5613 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
5614 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5615 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
5616
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5617 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
5618
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
5619 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
5620 || 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
5621 {
30120
14af343e4263 maint: Use "m_" prefix for member variables in class printf_value_cache.
Rik <rik@octave.org>
parents: 30024
diff changeset
5622 m_curr_state = conversion_error;
27781
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5623 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
5624 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5625
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5626 return math::nint (dval);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5627 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5628
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5629 // Ugh again and again.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5630
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5631 template <typename T>
30008
9adf2b6a18fc mark some internal functions as static
John W. Eaton <jwe@octave.org>
parents: 29991
diff changeset
5632 static int
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5633 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
5634 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
5635 const std::string& who)
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5636 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5637 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5638
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5639 switch (nsa)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5640 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5641 case 2:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5642 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
5643 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5644
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5645 case 1:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5646 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
5647 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5648
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5649 case 0:
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5650 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
5651 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5652
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5653 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5654 ::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
5655 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5656 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5657
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5658 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5659 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5660
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
5661 static std::size_t
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5662 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
5663 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
5664 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
5665 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5666 if (nsa > 2)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5667 ::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
5668
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5669 std::string flags = elt->flags;
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 bool left = flags.find ('-') != std::string::npos;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5672
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
5673 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
5674
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
5675 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
5676
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5677 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
5678 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
5679 {
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
5680 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
5681 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
5682 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
5683 }
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5684
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
5685 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
5686
29ea2369971d Add basic backend for encodings in file streams (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26640
diff changeset
5687 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
5688
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5689 return len > fw ? len : fw;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5690 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5691
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5692 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5693 is_nan_or_inf (const octave_value& val)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5694 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5695 octave_value ov_isnan = val.isnan ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5696 octave_value ov_isinf = val.isinf ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5697
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5698 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
5699 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5700
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5701 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5702 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
5703 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5704 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
5705
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5706 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5707 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5708 else if (val.isinteger ())
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 if (val.is_uint64_type ())
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 octave_uint64 ival = val.uint64_scalar_value ();
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 if (ival.value () <= limit)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5715 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5716 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5717 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5718 return true;
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 else
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 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5723
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5724 if (dval == math::fix (dval) && dval <= limit)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5725 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5726 }
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 return false;
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
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5731 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5732 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
5733 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5734 if (val.is_string ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5735 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5736 else if (val.isinteger ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5737 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5738 // Easier than dispatching here...
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5739
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5740 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
5741 = 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
5742
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5743 return ov_is_ge_zero.is_true ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5744 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5745 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5746 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5747 double dval = val.double_value (true);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5748
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5749 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
5750
26415
f553b02e13c6 Use "x == fix (x)" to detect integers rather than floor or round (bug #55347).
Rik <rik@octave.org>
parents: 26411
diff changeset
5751 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
5752 return true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5753 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5754
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5755 return false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5756 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5757
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5758 static std::string
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
5759 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
5760 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5761 std::string tfmt = elt->text;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5762
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5763 tfmt.replace (tfmt.rfind (elt->type), 1, "g");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5764
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5765 return tfmt;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5766 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
5767
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5768 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5769 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
5770 const printf_format_elt *elt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5771 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
5772 const octave_value& val,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5773 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5774 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5775 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5776
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5777 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
5778
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5779 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
5780 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5781 double dval = val.double_value ();
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 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
5784
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5785 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
5786
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5787 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
5788 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5789 tfmt.erase (i2, i1-i2);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5790 if (elt->prec == -2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5791 nsa--;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5792 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5793
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5794 const char *tval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5795 if (lo_ieee_isinf (dval))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5796 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5797 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
5798 tval = (dval < 0 ? "-Inf" : "+Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5799 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5800 tval = (dval < 0 ? "-Inf" : "Inf");
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5803 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5804 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
5805 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
5806 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5807 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
5808 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5809
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5810 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
5811 sa_2, tval, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5812 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5813 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5814 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5815 static std::string llmod
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23449
diff changeset
5816 = (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
5817
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5818 char type = elt->type;
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 switch (type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5821 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5822 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
5823 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
5824 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5825 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
5826
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5827 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5828 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
5829
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5830 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5831 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
5832 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5833 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5834 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5835 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
5836
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5837 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
5838
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5839 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
5840 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
5841 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5842 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5843
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5844 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
5845 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
5846 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5847 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
5848
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5849 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5850 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
5851
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5852 retval += do_printf_conv (os, encoding (), tfmt.c_str (), nsa,
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5853 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
5854 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5855 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5856 {
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5857 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
5858
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5859 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
5860
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5861 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
5862 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
5863 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5864 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5865
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5866 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
5867 case 'g': case 'G':
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5868 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5869 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
5870
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5871 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
5872 sa_1, sa_2, dval, who);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5873 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5874 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5875
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5876 default:
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
5877 // 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
5878 // 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
5879 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
5880 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5881 break;
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 }
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 return retval;
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
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
5888 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
5889 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
5890 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5891 ::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
5892 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
5893 }
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5894
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5895 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5896 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
5897 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5898 const std::string& who)
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 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5901
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
5902 octave_idx_type m_nconv = fmt_list.num_conversions ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5903
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5904 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5905
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5906 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5907 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5908 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5909 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5910 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5911
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
5912 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
5913
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5914 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
5915
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5916 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
5917
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5918 for (;;)
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 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5921
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5922 if (! elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5923 ::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
5924
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5925 // 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
5926 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
5927
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5928 int sa_1 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5929 int sa_2 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5930
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5931 if (nsa > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5932 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5933 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
5934
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5935 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
5936 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5937 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
5938 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
5939 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5940 else
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 (nsa > 1)
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 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
5945
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5946 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
5947 {
61cc648ab034 prevent crash if dynamic printf field widths are out of range (bug #57368)
John W. Eaton <jwe@octave.org>
parents: 27735
diff changeset
5948 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
5949 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
5950 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5951 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5952 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5953 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5954
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5955 if (elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5956 {
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5957 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
5958 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
5959 else
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5960 os << '%';
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5961 retval++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5962 }
24753
ca6a73be15da allow NUL characters in printf and scanf formats (bug #53148)
John W. Eaton <jwe@octave.org>
parents: 24752
diff changeset
5963 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
5964 {
27279
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5965 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
5966 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
5967 else
1c8b20731af4 Convert encoding just before writing to stream (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 27277
diff changeset
5968 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
5969 retval += (elt->text.length ());
23059
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 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
5972 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5973 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
5974
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5975 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5976 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5977 if (val.is_string ())
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 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
5980
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5981 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
5982 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
5983 who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5984 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5985 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5986 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
5987 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5988 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5989 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5990 break;
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 else
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 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
5995
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5996 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5997 {
23577
80c42f4cca13 maint: Deprecate is_empty and replace with isempty.
Rik <rik@octave.org>
parents: 23576
diff changeset
5998 if (! val.isempty ())
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5999 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
6000 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6001 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6002 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6003 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6006 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6007 {
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6008 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6009 break;
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
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
6012 elt = fmt_list.next (m_nconv > 0 && ! val_cache.exhausted ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6013
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6014 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
6015 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6016 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6017 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6020 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6023 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
6024 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6025 const std::string& who)
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 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
6028
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6029 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
6030 ::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
6031
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6032 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
6033 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6034
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6035 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6036 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
6037 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6038 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6039
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6040 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6041
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6042 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6043 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6044 else
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 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6047
30787
76398dfe2d55 fputs: Use character encoding of file stream (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30735
diff changeset
6048 if (encoding ().compare ("utf-8"))
76398dfe2d55 fputs: Use character encoding of file stream (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30735
diff changeset
6049 os << string::u8_to_encoding (who, s, encoding ());
76398dfe2d55 fputs: Use character encoding of file stream (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30735
diff changeset
6050 else
76398dfe2d55 fputs: Use character encoding of file stream (bug #61839).
Markus Mützel <markus.muetzel@gmx.de>
parents: 30735
diff changeset
6051 os << s;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6052
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6053 if (! os)
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6054 error (who, "write error");
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6055 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6056 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6057 // 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
6058 // 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
6059 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6060 // 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
6061 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6062 // 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
6063 os.flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6064
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6065 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6066 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6067 else
27136
512399fefc1b Call error() function from base_stream in the correct manner.
Rik <rik@octave.org>
parents: 27132
diff changeset
6068 error (who, "write error");
23059
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6071
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6072 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6073 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6074
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6075 // Return 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
6076
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6077 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6078 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
6079 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6080 err_num = (m_fail ? -1 : 0);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6081
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6082 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
6083
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6084 if (clear_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6085 clear ();
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 return tmp;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6090 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6091 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
6092 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6093 // 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
6094 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
6095 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6098 stream::flush (void)
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 int retval = -1;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6103 retval = m_rep->flush ();
23059
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6106 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6107
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6108 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6109 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
6110 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6111 std::string retval;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6114 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
6115
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6116 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6117 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6118
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6119 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6120 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
6121 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6122 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6123 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6124
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6125 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6126
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6127 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6128
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6129 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
6130 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6131 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
6132
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6133 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
6134 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6135 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6136 ::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
6137 }
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 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
6141 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6144 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
6145 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6146 std::string retval;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6149 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
6150
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6151 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6152 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6153
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6154 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6155 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
6156 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6157 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6158 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6159
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6160 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6161
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6162 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6163
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6164 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
6165 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6166 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
6167
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6168 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
6169 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6170 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6171 ::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
6172 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6173 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6174
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6175 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
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6179 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
6180 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6181 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6182
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6183 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6184 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
6185
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6186 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6189 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6190 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
6191 const std::string& who)
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 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6194
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6195 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6196
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6197 int count = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6198
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6199 if (tc_count.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6200 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6201 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
6202 && 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
6203 count = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6204 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6205 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6206 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
6207
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6208 if (conv_err || count < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6209 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6210 err = true;
30166
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
6211 ::error ("%s: invalid number of lines specified",
bb7ac72c394e maint: use "m_" prefix for member variables in classes scanf_format_list, printf_format_list, textscan_format_list.
Rik <rik@octave.org>
parents: 30120
diff changeset
6212 who.c_str ());
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6213 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6214 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6215 }
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 return skipl (count, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6218 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6219
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6220 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6221 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
6222 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6223 int status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6224
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6225 if (stream_ok ())
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 clearerr ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6228
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6229 // 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
6230 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
6231
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6232 // 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
6233 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
6234
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6235 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6236 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6237 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
6238
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6239 if (origin == SEEK_CUR)
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 // 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
6242 // 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
6243 // location.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6244 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
6245 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6246
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6247 // 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
6248 // existing file.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6249 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
6250
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6251 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6252 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6253 // Where are we after moving to desired position?
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6254 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
6255
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6256 // 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
6257 // but we'll check anyway...
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6258 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
6259 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6260 // Seek outside bounds of file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6261 // Failure should leave position unchanged.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6262 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
6263
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6264 status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6265 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6266 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6267 else
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 // 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
6270 // Move back to original position and return failure status.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6271 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
6272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6273 status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6274 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6275 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6276 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6278 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6279 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6280
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6281 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6282 stream::seek (const octave_value& tc_offset,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6283 const octave_value& tc_origin)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6286
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6287 // 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
6288 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
6289 off_t xoffset = val.value ();
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 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6292
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6293 int origin = SEEK_SET;
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 if (tc_origin.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6296 {
26364
2398d2cc3d70 oct-stream.cc: Fix static analyzer detected V601 issue (bug #55347)
Andreas Weber <octave@josoansi.de>
parents: 26164
diff changeset
6297 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
6298
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6299 if (xorigin == "bof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6300 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6301 else if (xorigin == "cof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6302 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6303 else if (xorigin == "eof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6304 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6305 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6306 conv_err = -1;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6309 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6310 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
6311
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6312 if (! conv_err)
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 if (xorigin == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6315 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6316 else if (xorigin == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6317 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6318 else if (xorigin == 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6319 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6320 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6321 conv_err = -1;
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 }
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 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6326 ::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
6327
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6328 retval = seek (xoffset, origin);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6329
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6330 if (retval != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6331 // 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
6332 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
6333
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6334 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6335 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6336
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6337 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6338 stream::tell (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6339 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6340 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6341
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6342 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6343 retval = m_rep->tell ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6344
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6345 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6346 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6347
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6348 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6349 stream::rewind (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6350 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6351 return seek (0, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6352 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6353
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6354 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6355 stream::is_open (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6356 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6357 bool retval = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6358
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6359 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6360 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
6361
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6362 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6363 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6364
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6365 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6366 stream::close (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6367 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6368 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
6369 m_rep->close ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6370 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6371
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6372 template <typename SRC_T, typename DST_T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6373 static octave_value
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6374 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
6375 octave_idx_type input_buf_elts,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6376 octave_idx_type elts_read,
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6377 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
6378 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
6379 mach_info::float_format from_flt_fmt)
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6380 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6381 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
6382
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6383 DST_T conv (dim_vector (nr, nc));
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6384
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6385 dst_elt_type *conv_data = conv.fortran_vec ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6386
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6387 octave_idx_type j = 0;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6388
25343
4d7790d9793f use cbegin, crbegin, cend, and crend and auto decls where possible
John W. Eaton <jwe@octave.org>
parents: 25342
diff changeset
6389 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
6390 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6391 SRC_T *data = static_cast<SRC_T *> (*it);
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 if (swap || do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6394 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6395 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6396 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6397 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
6398 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6399 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6400 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6401 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6402 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6403 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
6404 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6405 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6406
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6407 // 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
6408 // Bug #59830.
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6409 // 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
6410 // 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
6411 // 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
6412 // conv_data[j] = tmp;
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6413
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6414 conv_data[j] = data[i];
24722
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 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6417 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6418 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6419 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
6420 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6421 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6422 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6423 swap_bytes<sizeof (SRC_T)> (&data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6424 else if (do_float_fmt_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6425 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
6426 1, from_flt_fmt,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6427 mach_info::native_float_format ());
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6428
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6429 conv_data[j] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6430 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6431 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6432 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6433 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6434 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6435 if (do_NA_conv)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6436 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6437 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
6438 i++, j++)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6439 {
29426
7c78e4589466 maint: Remove support for old_NA definition (pre-R compatible value).
Rik <rik@octave.org>
parents: 29359
diff changeset
6440 // 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
6441 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6442 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6443 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6444 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6445 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6446 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
6447 i++, j++)
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6448 conv_data[j] = data[i];
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6449 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6450 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6451
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6452 delete [] data;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6453 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6454
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6455 input_buf_list.clear ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6456
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6457 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
6458 conv_data[i] = dst_elt_type (0);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6459
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6460 return conv;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6461 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6462
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6463 typedef octave_value (*conv_fptr)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6464 (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
6465 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
6466 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
6467 mach_info::float_format from_flt_fmt);
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6468
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6469 #define TABLE_ELT(T, U, V, W) \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6470 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
6471
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6472 #define FILL_TABLE_ROW(T, V) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6473 TABLE_ELT (T, dt_int8, V, int8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6474 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6475 TABLE_ELT (T, dt_int16, V, int16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6476 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6477 TABLE_ELT (T, dt_int32, V, int32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6478 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6479 TABLE_ELT (T, dt_int64, V, int64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6480 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6481 TABLE_ELT (T, dt_single, V, FloatNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6482 TABLE_ELT (T, dt_double, V, NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6483 TABLE_ELT (T, dt_char, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6484 TABLE_ELT (T, dt_schar, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6485 TABLE_ELT (T, dt_uchar, V, charNDArray); \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6486 TABLE_ELT (T, dt_logical, V, boolNDArray);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6487
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6488 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6489 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
6490 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
6491 octave_idx_type elts_read,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6492 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
6493 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
6494 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
6495 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
6496 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6497 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6498
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6499 static bool initialized = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6500
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6501 // 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
6502
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6503 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
6504
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6505 if (! initialized)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6506 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6507 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
6508 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
6509 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
6510
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6511 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
6512 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
6513 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
6514 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
6515 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
6516 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
6517 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
6518 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
6519 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
6520 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
6521 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
6522 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
6523 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
6524 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
6525
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6526 initialized = true;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6529 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6530
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6531 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
6532 ffmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6533
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6534 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
6535 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
6536 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6537 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
6538
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6539 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
6540 || 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
6541 && ffmt != float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6542
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6543 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
6544
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6545 switch (output_type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6546 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6547 case oct_data_conv::dt_int8:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6548 case oct_data_conv::dt_uint8:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6549 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
6550 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
6551 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
6552 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
6553 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
6554 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
6555 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
6556 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
6557 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
6558 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
6559 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
6560 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
6561 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6562 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
6563
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6564 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
6565 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
6566 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6567 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6568
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6569 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6570 ::error ("read: invalid type specification");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6571 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6572
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6573 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6574 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6575
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6576 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6577 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
6578 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
6579 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
6580 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
6581 octave_idx_type& count)
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 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6584
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6585 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
6586 return retval;
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6587
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6588 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6589 octave_idx_type 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 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
6592
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6593 // 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
6594
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6595 // 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
6596 // 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
6597 // oct_data_conv class.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6598
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
6599 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
6600
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6601 try
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 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
6604 }
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6605 catch (const execution_exception&)
23059
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 invalid_operation ("fread", "reading");
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6612 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6613 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6614 // 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
6615
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6616 // 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
6617 // number of rows.
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 // 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
6620 // 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
6621
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6622 if (nr == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6623 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6624 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6625 nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6626 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6627 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6628 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6629 // 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
6630 // specification and one is nonzero.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6631
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6632 // 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
6633 // should be.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6634
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6635 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6636 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6637 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6638
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6639 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
6640
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6641 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
6642
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6643 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
6644
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6645 if (skip == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6646 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6647 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6648 input_buf_elts = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6649 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6650 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
6651 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6652 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6653 input_buf_elts = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6654
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6655 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
6656 = 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
6657
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
6658 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
6659 = 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
6660
30723
08b08b7f05b2 Replace direct calls to C library assert() with Octave specialty functions in libinterp/ (bug #61753)
Arun Giridhar <arungiridhar@gmail.com> and Rik <rik@octave.org>
parents: 30587
diff changeset
6661 error_if (input_buf_size < 0);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6662
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6663 // 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
6664 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6667 error ("fread: invalid input stream");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6668 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6669 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6670 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6671
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6672 // 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
6673 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
6674 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
6675 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
6676 {
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6677 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
6678 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
6679 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
6680 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
6681 }
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6682
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6683 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
6684
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6685 while (is && ! is.eof ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6686 && (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
6687 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6688 if (! read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6689 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6690 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
6691
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6692 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
6693 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
6694 }
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 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
6697
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6698 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
6699
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
6700 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
6701
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6702 cur_pos += gcount;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6703
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6704 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
6705
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6706 tmp_count += nel;
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 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
6709
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6710 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
6711 {
25650
336267b16a3d Improve fread speed by 2.5X when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25646
diff changeset
6712 // Attempt to skip.
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6713 // 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
6714 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
6715
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6716 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
6717 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6718 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
6719 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
6720 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6721 else
25658
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6722 {
0812413a0bb7 Improve fread speed by a further 40% when SKIP parameter used (bug #54100).
Rik <rik@octave.org>
parents: 25657
diff changeset
6723 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
6724 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
6725 }
23059
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6728
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6729 if (read_to_eof)
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 if (nc < 0)
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 nc = tmp_count / nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6734
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6735 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6736 nc++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6737 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6738 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6739 nr = tmp_count;
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 else if (tmp_count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6742 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6743 nr = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6744 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6745 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6746 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
6747 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6748 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6749 nc = tmp_count / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6750 else
22996
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6751 nc = tmp_count / nr;
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6752
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6753 if (tmp_count < nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6754 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6755 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6756
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6757 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
6758 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
6759 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6760 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
6761
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6762 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
6763 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
6764 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6765
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6766 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6767 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6768
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6769 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6770 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
6771 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
6772 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
6773 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6774 octave_idx_type retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6775
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6776 if (! stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6777 invalid_operation ("fwrite", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6778 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6779 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
6780 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
6781 flt_fmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6782
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6783 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
6784 skip, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6785
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6786 if (status < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6787 error ("fwrite: write error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6788 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6789 retval = status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6790 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6791
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6792 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6793 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6794
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6795 template <typename T, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6796 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6797 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
6798 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6799 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
6800
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6801 V *vt_data = static_cast<V *> (conv_data);
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 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
6804 vt_data[i] = tt_data[i];
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, typename V>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6808 static void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6809 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
6810 bool swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6811 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6812 typedef typename V::val_type val_type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6813
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6814 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
6815
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6816 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
6817 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6818 // 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
6819 V val (data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6820
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6821 vt_data[i] = val.value ();
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6822
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6823 if (swap)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6824 swap_bytes<sizeof (val_type)> (&vt_data[i]);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6825 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6826 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6827
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6828 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6829 class ultimate_element_type
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6830 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6831 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6832 typedef T type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6833 };
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6834
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6835 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6836 class ultimate_element_type<octave_int<T>>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6837 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6838 public:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6839 typedef T type;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6840 };
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6841
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6842 template <typename T>
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6843 static bool
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6844 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
6845 oct_data_conv::data_type output_type,
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6846 mach_info::float_format flt_fmt)
24722
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 bool retval = true;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6849
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6850 bool swap = false;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6851
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6852 if (mach_info::words_big_endian ())
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6853 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
6854 else
25336
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6855 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
6856
389757b7b6af eliminate redundant octave:: namespace tags
John W. Eaton <jwe@octave.org>
parents: 25103
diff changeset
6857 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
6858
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6859 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
6860
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6861 switch (output_type)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6862 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6863 case oct_data_conv::dt_char:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6864 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
6865 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6866
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6867 case oct_data_conv::dt_schar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6868 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
6869 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6870
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6871 case oct_data_conv::dt_uchar:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6872 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
6873 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6874
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6875 case oct_data_conv::dt_int8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6876 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
6877 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6878
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6879 case oct_data_conv::dt_uint8:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6880 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
6881 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6882
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6883 case oct_data_conv::dt_int16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6884 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
6885 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6886
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6887 case oct_data_conv::dt_uint16:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6888 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
6889 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6890
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6891 case oct_data_conv::dt_int32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6892 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
6893 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6894
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6895 case oct_data_conv::dt_uint32:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6896 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
6897 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6898
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6899 case oct_data_conv::dt_int64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6900 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
6901 break;
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 case oct_data_conv::dt_uint64:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6904 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
6905 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6906
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6907 case oct_data_conv::dt_single:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6908 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6909 float *vt_data = static_cast<float *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6910
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6911 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
6912 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6913 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6914
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6915 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6916 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
6917 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6918 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6919 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6920
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6921 case oct_data_conv::dt_double:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6922 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6923 double *vt_data = static_cast<double *> (conv_data);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6924
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6925 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
6926 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6927 vt_data[i] = data[i];
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6928
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6929 if (do_float_conversion)
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6930 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
6931 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6932 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6933 break;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6934
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6935 default:
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6936 ::error ("write: invalid type specification");
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6937 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6938
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6939 return retval;
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6940 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
6941
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6942 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
6943 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
6944 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6945 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6946
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6947 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6948
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6949 if (osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6950 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6951 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6952
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6953 if (os)
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 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
6956
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6957 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6958 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6959 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6960 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6961
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6962 return status;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6965 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
6966 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
6967 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6968 bool status = false;
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 std::ostream *osp = output_stream ();
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 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6973 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6974
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6975 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6976
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6977 // 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
6978 // Otherwise, write NUL to skip.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6979 off_t orig_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6980
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6981 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6982
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6983 off_t eof_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6984
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6985 // 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
6986 seek (orig_pos, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6987
29654
d13d090cb03a use std::size_t and std::ptrdiff_t in C++ code (bug #60471)
John W. Eaton <jwe@octave.org>
parents: 29358
diff changeset
6988 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
6989
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6990 if (remaining < skip)
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 seek (0, SEEK_END);
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 // 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
6995 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
6996 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
6997 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
6998 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6999 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7000 seek (skip, SEEK_CUR);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7001
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7002 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7003 status = true;
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 return status;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7008 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7009 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7010 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
7011 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
7012 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
7013 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
7014 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7015 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7016
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7017 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
7018 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
7019 else
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7020 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
7021
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7022 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
7023 || 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
7024
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7025 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
7026
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7027 octave_idx_type chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7028
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7029 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7030 chunk_size = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7031 else if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7032 chunk_size = 1024 * 1024;
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 chunk_size = nel;
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 octave_idx_type i = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7037
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7038 const T *pdata = data.data ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7039
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7040 while (i < nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7041 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7042 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7043 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7044 if (! skip_bytes (skip))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7045 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7046 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7047
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7048 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
7049
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7050 if (chunk_size > remaining_nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7051 chunk_size = remaining_nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7052
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7053 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7054
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7055 if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7056 {
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
7057 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
7058 = 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
7059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7060 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
7061
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7062 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
7063 output_type, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7064
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7065 if (status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7066 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
7067 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7068 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7069 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
7070
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7071 if (! status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7072 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7073
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7074 i += chunk_size;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7077 return nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7078 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
7079
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7080 #define INSTANTIATE_WRITE(T) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
7081 template \
29233
665c9ed14c97 Set API tags in files in libinterp/corefcn (patch #8919).
Markus Mützel <markus.muetzel@gmx.de>
parents: 28857
diff changeset
7082 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
7083 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
7084 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
7085 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
7086 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
7087
24476
bb8ae4e9e09d * oct-stream.cc: Fix whitespace in some macro definitions.
John W. Eaton <jwe@octave.org>
parents: 24346
diff changeset
7088 INSTANTIATE_WRITE (octave_int8);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7089 INSTANTIATE_WRITE (octave_uint8);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7090 INSTANTIATE_WRITE (octave_int16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7091 INSTANTIATE_WRITE (octave_uint16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7092 INSTANTIATE_WRITE (octave_int32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7093 INSTANTIATE_WRITE (octave_uint32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7094 INSTANTIATE_WRITE (octave_int64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7095 INSTANTIATE_WRITE (octave_uint64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7096 INSTANTIATE_WRITE (int8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7097 INSTANTIATE_WRITE (uint8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7098 INSTANTIATE_WRITE (int16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7099 INSTANTIATE_WRITE (uint16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7100 INSTANTIATE_WRITE (int32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7101 INSTANTIATE_WRITE (uint32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7102 INSTANTIATE_WRITE (int64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7103 INSTANTIATE_WRITE (uint64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7104 INSTANTIATE_WRITE (bool);
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21335
diff changeset
7105 #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
7106 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
7107 #endif
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7108 INSTANTIATE_WRITE (float);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7109 INSTANTIATE_WRITE (double);
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 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7112 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
7113 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
7114 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7115 octave_value 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->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
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7124 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
7125 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
7126 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7127 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7128
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7129 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7130 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7131 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
7132
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7133 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7134 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7135
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7136 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
7137 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7138 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7139 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7140 // 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
7141 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
7142 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7143
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7144 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7147 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7148 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
7149 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7150 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7151
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7152 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7153 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
7154
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7155 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7156 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7157
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7158 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7159 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
7160 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7161 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7162
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7163 if (fmt.is_string ())
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 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
7166
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7167 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7168 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7169
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7170 retval = oscanf (sfmt, 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 else
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 // 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
7175 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
7176 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7177
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7178 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7179 }
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 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7182 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
7183 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7184 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
7185 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7186 return (stream_ok ()
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7187 ? 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
7188 : octave_value ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7189 }
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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7192 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
7193 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->printf (fmt, args, 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 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7204 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
7205 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7206 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7207 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7208
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7209 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7210 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7211 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
7212
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7213 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7214 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7215
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7216 retval = printf (sfmt, args, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7217 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7218 else
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 // 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
7221 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
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7225 }
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7228 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
7229 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7230 int retval = -1;
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 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7233 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
7234
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7235 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7236 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7237
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7238 // 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
7239
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7240 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7241 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
7242 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7243 int retval = -1;
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 if (tc_s.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7246 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7247 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
7248 retval = puts (s, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7249 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7250 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7251 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7252 // 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
7253 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
7254 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7257 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7258
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7259 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7260 stream::eof (void) const
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7263
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7264 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7265 retval = m_rep->eof ();
23059
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7268 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7269
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7270 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7271 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
7272 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7273 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
7274
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7275 if (stream_ok (false))
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7276 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
7277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7278 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7279 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7280
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7281 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7282 stream::name (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7283 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7284 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7285
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7286 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7287 retval = m_rep->name ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7288
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7289 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7290 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7291
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7292 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7293 stream::mode (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7294 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7295 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7296
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7297 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7298 retval = m_rep->mode ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7299
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7300 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7301 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7302
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7303 mach_info::float_format
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7304 stream::float_format (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7305 {
23696
08036a7f3660 remove octave:: namespace tag from symbols used inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 23587
diff changeset
7306 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
7307
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7308 if (stream_ok ())
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7309 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
7310
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7311 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7312 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7315 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
7316 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7317 std::string retval = "???";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7318 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
7319
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7320 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
7321 retval = "r";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7322 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
7323 || 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
7324 retval = "w";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7325 else if (in_mode == (std::ios::out | std::ios::app))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7326 retval = "a";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7327 else if (in_mode == (std::ios::in | std::ios::out))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7328 retval = "r+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7329 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
7330 retval = "w+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7331 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
7332 retval = "a+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7333 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
7334 retval = "rb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7335 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
7336 || 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
7337 retval = "wb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7338 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
7339 retval = "ab";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7340 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
7341 retval = "r+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7342 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
7343 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7344 retval = "w+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7345 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
7346 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7347 retval = "a+b";
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 return retval;
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
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7352 stream_list::stream_list (interpreter& interp)
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7353 : 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
7354 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
7355 {
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7356 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
7357
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7358 // 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
7359 // 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
7360
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7361 // 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
7362
25435
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7363 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
7364
a52e6fb674b1 eliminate some singletons and static & global variables
John W. Eaton <jwe@octave.org>
parents: 25430
diff changeset
7365 stream stdout_stream
29991
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7366 = 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
7367
3988112c7116 move i/o stream classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 29655
diff changeset
7368 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
7369
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7370 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
7371 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
7372 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
7373 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7374
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7375 stream_list::~stream_list (void)
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7376 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7377 clear ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7378 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7379
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7380 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
7381 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7382 // 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
7383
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7384 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
7385
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7386 if (stream_number == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7387 return stream_number;
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 // Should we test for
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7390 //
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7391 // (m_list.find (stream_number) != m_list.end ()
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7392 // && 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
7393 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7394 // 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
7395 // 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
7396 // 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
7397 // 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
7398 // 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
7399 // 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
7400 // before.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7401
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7402 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
7403 ::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
7404
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7405 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
7406
6757
c3cd7d14fc5e [project @ 2007-06-25 19:06:42 by jwe]
jwe
parents: 6708
diff changeset
7407 return stream_number;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7408 }
24722
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7409
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7410 OCTAVE_NORETURN static
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7411 void
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7412 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
7413 {
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7414 if (who.empty ())
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7415 ::error ("invalid stream number = %d", fid);
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7416 else
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7417 ::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
7418 }
af6c1ed60581 avoid splitting namespace blocks unnecessarily
John W. Eaton <jwe@octave.org>
parents: 24634
diff changeset
7419
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7420 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
7421 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7422 stream retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7423
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7424 if (fid < 0)
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
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7427 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
7428 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
7429 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7430 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7431 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7432
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7433 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
7434 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
7435
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7436 retval = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7437 m_lookup_cache = iter;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7440 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7441 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7442
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7443 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
7444 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
7445 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7446 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
7447
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7448 return lookup (i, who);
23059
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7451 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
7452 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7453 // 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
7454 if (fid < 3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7455 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
7456
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7457 auto iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7458
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7459 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
7460 err_invalid_file_id (fid, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7462 stream os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7463 m_list.erase (iter);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7464 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
7465
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7466 // FIXME: is this check redundant?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7467 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7468 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
7469
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7470 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7471
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7472 return 0;
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7475 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
7476 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7477 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7478
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7479 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
7480 {
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7481 clear (false);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7482
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7483 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7484 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7485 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7486 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7487 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
7488
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7489 retval = remove (i, who);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7490 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7491
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7492 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7493 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7494
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7495 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
7496 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7497 if (flush)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7498 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7499 // Flush stdout and stderr.
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7500 m_list[1].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7501 m_list[2].flush ();
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7502 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7503
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7504 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
7505 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7506 int fid = iter->first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7507 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
7508 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7509 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7510 continue;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7511 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7512
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7513 stream os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7514
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7515 std::string name = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7516 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
7517
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7518 // 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
7519 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
7520 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7521 // 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
7522 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7523 continue;
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
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7526 // 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
7527 if (os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7528 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7529
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7530 m_list.erase (iter++);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7531 }
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7532
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7533 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
7534 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7535
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7536 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
7537 {
26705
c13143821eef Add front-end support for encodings in "fopen" (bug #55452).
Markus Mützel <markus.muetzel@gmx.de>
parents: 26703
diff changeset
7538 string_vector retval (4);
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7539
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7540 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7541 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7542
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7543 stream os;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7544 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
7545 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
7546 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7547 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7548 ostrl_map::const_iterator iter = m_list.find (fid);
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7549
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7550 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
7551 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7552
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7553 os = iter->second;
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7554 m_lookup_cache = iter;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7555 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7556
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7557 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7558 return retval;
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 retval(0) = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7561 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
7562 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
7563 retval(3) = os.encoding ();
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7564
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7565 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7566 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7567
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7568 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
7569 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7570 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7571
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
7572 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
7573 ::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
7574
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7575 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
7576
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7577 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7578 ::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
7579
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7580 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
7581 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7582
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7583 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
7584 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7585 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7586
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7587 buf << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7588 << " number mode arch name\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7589 << " ------ ---- ---- ----\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7590
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7591 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
7592 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7593 stream os = fid_strm.second;
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 buf << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7596 << std::setiosflags (std::ios::right)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7597 << std::setw (4) << fid_strm.first << " "
19123
c8f03ccdc9ee Align columns for freport() output.
Rik <rik@octave.org>
parents: 18676
diff changeset
7598 // 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
7599 << std::resetiosflags (std::ios::adjustfield)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7600 << std::setiosflags (std::ios::left)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7601 << std::setw (3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7602 << 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
7603 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7604 << 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
7605 << 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
7606 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7607 << os.name () << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7608 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7609
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7610 buf << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7611
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7612 return buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7613 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7614
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7615 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
7616 {
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7617 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
7618
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7619 int num_open = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7620
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7621 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
7622 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7623 // Skip stdin, stdout, and stderr.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7624 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
7625 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
7626 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7627
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7628 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
7629
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7630 return retval;
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
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7633 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
7634 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7635 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7636
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7637 if (fid.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7638 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7639 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
7640
27172
b0abae0bd94b style fixes
John W. Eaton <jwe@octave.org>
parents: 27137
diff changeset
7641 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
7642 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7643 // 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
7644 if (fid_strm.first > 2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7645 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7646 stream os = fid_strm.second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7647
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7648 if (os && os.name () == nm)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7649 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7650 retval = fid_strm.first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7651 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7652 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7653 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7654 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7655 }
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
7656 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
7657 ::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
7658 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7659 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7660 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7661
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7662 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
7663
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7664 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7665 ::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
7666
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7667 retval = int_fid;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7668 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7669
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7670 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7671 }
23738
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7672
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7673 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
7674 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7675 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
7676 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7677
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7678 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
7679 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7680 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
7681 }
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7682
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7683 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
7684 {
8acd390d16c9 don't use singleton for stream_list object
John W. Eaton <jwe@octave.org>
parents: 23696
diff changeset
7685 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
7686 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7687 }