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annotate libinterp/corefcn/oct-stream.cc @ 23398:d4ef04757ead

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eliminate some compiler warnings * oct-stream.cc (textscan::numeric_delim): Delete unused data member. * pr-output.cc (set_format): Delete unused functions. * xdiv.cc (result_ok): Delete unused function. * oct-parse.in.yy: Tag token with octave:: as needed. * pt-eval.cc: Tag tree_break_command with octave:: as needed. * pt-loop.h (tree_while_command::compiled): Only define data member if HAVE_LLVM is defined. * Range.cc (tceil): Delete unused function. * quit.cc (octave_throw_exit_exception, octave_rethrow_exception): Avoid deprecated declaration warning. * quit.h (octave_throw_exit_exception): Deprecate.
author John W. Eaton <jwe@octave.org>
date Thu, 13 Apr 2017 14:25:16 -0400
parents 092078913d54
children cd4e1ee28716
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1 /*
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2
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3 Copyright (C) 1996-2017 John W. Eaton
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4 Copyright (C) 2015-2016 Lachlan Andrew, Monash University
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5
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6 This file is part of Octave.
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7
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8 Octave is free software; you can redistribute it and/or modify it
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9 under the terms of the GNU General Public License as published by
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10 the Free Software Foundation; either version 3 of the License, or
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11 (at your option) any later version.
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12
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13 Octave is distributed in the hope that it will be useful, but
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14 WITHOUT ANY WARRANTY; without even the implied warranty of
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15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 GNU General Public License for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with Octave; see the file COPYING. If not, see
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20 <http://www.gnu.org/licenses/>.
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21
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22 */
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23
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24 #if defined (HAVE_CONFIG_H)
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25 # include "config.h"
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26 #endif
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27
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28 #include <cassert>
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29 #include <cctype>
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30 #include <cstring>
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31
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32 #include <deque>
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33 #include <fstream>
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34 #include <iomanip>
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35 #include <iostream>
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36 #include <sstream>
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37 #include <string>
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38
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39 #include "Array.h"
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40 #include "Cell.h"
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41 #include "byte-swap.h"
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42 #include "lo-ieee.h"
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43 #include "lo-mappers.h"
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44 #include "lo-utils.h"
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45 #include "oct-locbuf.h"
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46 #include "quit.h"
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47 #include "singleton-cleanup.h"
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48 #include "str-vec.h"
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49
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50 #include "error.h"
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51 #include "errwarn.h"
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52 #include "input.h"
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53 #include "interpreter.h"
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54 #include "octave.h"
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55 #include "oct-stdstrm.h"
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56 #include "oct-stream.h"
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57 #include "ov.h"
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58 #include "ovl.h"
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59 #include "utils.h"
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60
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61 // Programming Note: There are two very different error functions used
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62 // in the stream code. When invoked with "error (...)" the member
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63 // function from octave::stream or octave::base_stream is called. This
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64 // function sets the error state on the stream AND returns control to
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65 // the caller. The caller must then return a value at the end of the
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66 // function. When invoked with "::error (...)" the exception-based
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67 // error function from error.h is used. This function will throw an
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68 // exception and not return control to the caller. BE CAREFUL and
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69 // invoke the correct error function!
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70
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71 // Possible values for conv_err:
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72 //
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73 // 1 : not a real scalar
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74 // 2 : value is NaN
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75 // 3 : value is not an integer
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76
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77 static int
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78 convert_to_valid_int (const octave_value& tc, int& conv_err)
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79 {
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80 conv_err = 0;
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81
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82 int retval = 0;
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83
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84 double dval = 0.0;
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85
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86 try
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87 {
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88 dval = tc.double_value ();
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89 }
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90 catch (const octave::execution_exception&)
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91 {
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92 octave::interpreter::recover_from_exception ();
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93
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94 conv_err = 1;
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95 }
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96
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97 if (! conv_err)
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98 {
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99 if (! lo_ieee_isnan (dval))
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100 {
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101 int ival = octave::math::nint (dval);
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102
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103 if (ival == dval)
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104 retval = ival;
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105 else
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106 conv_err = 3;
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107 }
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108 else
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109 conv_err = 2;
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110 }
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111
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112 return retval;
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113 }
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114
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115 static octave_idx_type
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116 get_size (double d, const std::string& who)
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117 {
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118 octave_idx_type retval = -1;
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119
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120 if (lo_ieee_isnan (d))
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121 ::error ("%s: NaN is invalid as size specification", who.c_str ());
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122
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123 if (octave::math::isinf (d))
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124 retval = -1;
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125 else
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126 {
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127 if (d < 0.0)
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128 ::error ("%s: negative value invalid as size specification",
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129 who.c_str ());
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130
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131 if (d > std::numeric_limits<octave_idx_type>::max ())
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132 ::error ("%s: dimension too large for Octave's index type",
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133 who.c_str ());
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134
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135 retval = octave::math::nint_big (d);
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136 }
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137
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138 return retval;
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139 }
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140
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141 static void
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142 get_size (const Array<double>& size, octave_idx_type& nr, octave_idx_type& nc,
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143 bool& one_elt_size_spec, const std::string& who)
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144 {
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145 nr = -1;
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146 nc = -1;
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147
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148 one_elt_size_spec = false;
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149
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150 double dnr = -1.0;
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151 double dnc = -1.0;
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152
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153 octave_idx_type sz_len = size.numel ();
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154
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155 if (sz_len == 1)
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156 {
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157 one_elt_size_spec = true;
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158
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159 dnr = size(0);
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160
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161 dnc = (dnr == 0.0) ? 0.0 : 1.0;
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162 }
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163 else if (sz_len == 2)
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164 {
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165 dnr = size(0);
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166
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167 if (octave::math::isinf (dnr))
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168 ::error ("%s: invalid size specification", who.c_str ());
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169
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170 dnc = size(1);
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171 }
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172 else
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173 ::error ("%s: invalid size specification", who.c_str ());
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174
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175 nr = get_size (dnr, who);
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176
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177 if (dnc >= 0.0)
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178 nc = get_size (dnc, who);
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179 }
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180
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181
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182 static std::string
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183 expand_char_class (const std::string& s)
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184 {
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185 std::string retval;
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186
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187 size_t len = s.length ();
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188
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189 size_t i = 0;
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190
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191 while (i < len)
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192 {
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193 unsigned char c = s[i++];
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194
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195 if (c == '-' && i > 1 && i < len
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196 && ( static_cast<unsigned char> (s[i-2])
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197 <= static_cast<unsigned char> (s[i])))
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198 {
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199 // Add all characters from the range except the first (we
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200 // already added it below).
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201
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202 for (c = s[i-2]+1; c < s[i]; c++)
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203 retval += c;
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204 }
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205 else
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206 {
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207 // Add the character to the class. Only add '-' if it is
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208 // the last character in the class.
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209
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210 if (c != '-' || i == len)
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211 retval += c;
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212 }
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213 }
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214
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215 return retval;
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216 }
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217
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218 namespace octave
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219 {
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220 class
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221 scanf_format_elt
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222 {
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223 public:
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224
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225 enum special_conversion
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226 {
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227 whitespace_conversion = 1,
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228 literal_conversion = 2,
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229 null = 3
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230 };
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231
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232 scanf_format_elt (const char *txt = 0, int w = 0, bool d = false,
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233 char typ = '\0', char mod = '\0',
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234 const std::string& ch_class = "")
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235 : text (strsave (txt)), width (w), discard (d), type (typ),
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236 modifier (mod), char_class (ch_class)
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237 { }
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238
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239 scanf_format_elt (const scanf_format_elt& e)
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240 : text (strsave (e.text)), width (e.width), discard (e.discard),
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241 type (e.type), modifier (e.modifier), char_class (e.char_class)
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242 { }
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243
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diff changeset
244 scanf_format_elt& operator = (const scanf_format_elt& e)
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245 {
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246 if (this != &e)
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247 {
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248 text = strsave (e.text);
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249 width = e.width;
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250 discard = e.discard;
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251 type = e.type;
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252 modifier = e.modifier;
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253 char_class = e.char_class;
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254 }
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255
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256 return *this;
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257 }
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258
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259 ~scanf_format_elt (void) { delete [] text; }
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260
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261 // The C-style format string.
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262 const char *text;
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263
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264 // The maximum field width.
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265 int width;
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266
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267 // TRUE if we are not storing the result of this conversion.
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268 bool discard;
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269
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270 // Type of conversion -- 'd', 'i', 'o', 'u', 'x', 'e', 'f', 'g',
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271 // 'c', 's', 'p', '%', or '['.
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272 char type;
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273
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274 // A length modifier -- 'h', 'l', or 'L'.
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275 char modifier;
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276
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277 // The class of characters in a '[' format.
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278 std::string char_class;
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279 };
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280
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281 class
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282 scanf_format_list
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283 {
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284 public:
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285
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286 scanf_format_list (const std::string& fmt = "");
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287
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288 // No copying!
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289
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290 scanf_format_list (const scanf_format_list&) = delete;
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291
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292 scanf_format_list& operator = (const scanf_format_list&) = delete;
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293
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294 ~scanf_format_list (void);
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295
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296 octave_idx_type num_conversions (void) { return nconv; }
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297
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298 // The length can be different than the number of conversions.
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299 // For example, "x %d y %d z" has 2 conversions but the length of
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300 // the list is 3 because of the characters that appear after the
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301 // last conversion.
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302
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303 size_t length (void) const { return fmt_elts.size (); }
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304
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305 const scanf_format_elt *first (void)
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306 {
23059
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307 curr_idx = 0;
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308 return current ();
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309 }
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310
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311 const scanf_format_elt *current (void) const
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312 {
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313 return length () > 0 ? fmt_elts[curr_idx] : 0;
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314 }
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315
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316 const scanf_format_elt *next (bool cycle = true)
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317 {
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318 static scanf_format_elt dummy
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319 (0, 0, false, scanf_format_elt::null, '\0', "");
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320
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321 curr_idx++;
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322
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323 if (curr_idx >= length ())
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324 {
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325 if (cycle)
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326 curr_idx = 0;
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327 else
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328 return &dummy;
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329 }
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330
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331 return current ();
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332 }
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333
23059
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334 void printme (void) const;
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335
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336 bool ok (void) const { return (nconv >= 0); }
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337
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338 operator bool () const { return ok (); }
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339
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340 bool all_character_conversions (void);
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341
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342 bool all_numeric_conversions (void);
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343
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344 private:
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345
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346 // Number of conversions specified by this format string, or -1 if
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347 // invalid conversions have been found.
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348 octave_idx_type nconv;
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349
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350 // Index to current element;
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351 size_t curr_idx;
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352
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353 // List of format elements.
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354 std::deque<scanf_format_elt*> fmt_elts;
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355
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356 // Temporary buffer.
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357 std::ostringstream buf;
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358
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359 void add_elt_to_list (int width, bool discard, char type, char modifier,
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360 const std::string& char_class = "");
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361
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362 void process_conversion (const std::string& s, size_t& i, size_t n,
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363 int& width, bool& discard, char& type,
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364 char& modifier);
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365
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366 int finish_conversion (const std::string& s, size_t& i, size_t n,
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367 int& width, bool discard, char& type,
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368 char modifier);
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369 };
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370
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371 scanf_format_list::scanf_format_list (const std::string& s)
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372 : nconv (0), curr_idx (0), fmt_elts (), buf ()
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373 {
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374 size_t n = s.length ();
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375
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diff changeset
376 size_t i = 0;
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377
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diff changeset
378 int width = 0;
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379 bool discard = false;
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380 char modifier = '\0';
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381 char type = '\0';
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diff changeset
382
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diff changeset
383 bool have_more = true;
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384
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diff changeset
385 while (i < n)
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386 {
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387 have_more = true;
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diff changeset
388
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389 if (s[i] == '%')
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390 {
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391 // Process percent-escape conversion type.
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diff changeset
392
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393 process_conversion (s, i, n, width, discard, type, modifier);
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diff changeset
394
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diff changeset
395 have_more = (buf.tellp () != 0);
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396 }
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397 else if (isspace (s[i]))
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diff changeset
398 {
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diff changeset
399 type = scanf_format_elt::whitespace_conversion;
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diff changeset
400
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diff changeset
401 width = 0;
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402 discard = false;
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diff changeset
403 modifier = '\0';
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diff changeset
404 buf << " ";
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diff changeset
405
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
406 while (++i < n && isspace (s[i]))
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diff changeset
407 ; // skip whitespace
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diff changeset
408
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
409 add_elt_to_list (width, discard, type, modifier);
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diff changeset
410
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diff changeset
411 have_more = false;
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diff changeset
412 }
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
413 else
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diff changeset
414 {
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diff changeset
415 type = scanf_format_elt::literal_conversion;
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
416
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diff changeset
417 width = 0;
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diff changeset
418 discard = false;
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diff changeset
419 modifier = '\0';
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diff changeset
420
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
421 while (i < n && ! isspace (s[i]) && s[i] != '%')
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diff changeset
422 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
423
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
424 add_elt_to_list (width, discard, type, modifier);
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 have_more = false;
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diff changeset
427 }
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
428
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diff changeset
429 if (nconv < 0)
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diff changeset
430 {
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diff changeset
431 have_more = false;
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diff changeset
432 break;
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diff changeset
433 }
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
434 }
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
435
b98ebcd7f11c move some octave stream classes into octave namespace
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diff changeset
436 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
437 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
438
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
439 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
440 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
441 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
442
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
443 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
444 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
445 size_t n = fmt_elts.size ();
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 for (size_t i = 0; i < n; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
448 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
449 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
450 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
451 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
452 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
453
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
454 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
455 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
456 char modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
457 const std::string& char_class)
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 std::string text = buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
460
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
461 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
462 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
463 scanf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
464 = new scanf_format_elt (text.c_str (), width, discard, type,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
465 modifier, char_class);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
466
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
467 fmt_elts.push_back (elt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
468 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
469
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
470 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
471 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
472 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
473
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
474 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
475 scanf_format_list::process_conversion (const std::string& s, size_t& i,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
476 size_t n, int& width, bool& discard,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
477 char& type, char& modifier)
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 width = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
480 discard = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
481 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
482 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
483
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
484 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
485
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
486 bool have_width = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
487
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
488 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
489 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
490 switch (s[i])
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 case '*':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
493 if (discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
494 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
495 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
496 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
497 discard = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
498 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
499 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
500 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
501
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
502 case '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
503 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
504 if (have_width)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
505 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
506 else
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 char c = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
509 width = 10 * width + c - '0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
510 have_width = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
511 buf << c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
512 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
513 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
514 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 buf << c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
517 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
518 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
519 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
520
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
521 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
522 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
523 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
524 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
525 modifier = s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
526 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
527
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
528 case 'd': case 'i': case 'o': case 'u': case 'x':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
529 if (modifier == 'L')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
530 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
531 nconv = -1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
534 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
535
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
536 case 'e': case 'f': case 'g':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
537 if (modifier == 'h')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
538 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
539 nconv = -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
543 // No float or long double conversions, thanks.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
544 buf << 'l';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
545
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
546 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
547
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
548 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
549 if (modifier != '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
550 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
551 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
552 break;
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 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
555
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
556 fini:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
557 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
558 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
559 type, modifier) == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
560 return;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
561 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
562 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
563
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
564 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
565 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
566 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
567 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
568
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
569 if (nconv < 0)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
570 break;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
571 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
572
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
573 nconv = -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
576 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
577 scanf_format_list::finish_conversion (const std::string& s, size_t& i,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
578 size_t n, int& width, bool discard,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
579 char& type, char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
580 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
581 int retval = 0;
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 std::string char_class;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
584
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
585 size_t beg_idx = std::string::npos;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
586 size_t end_idx = std::string::npos;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
587
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
588 if (s[i] == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
589 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
590 type = '%';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
591 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
592 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
593 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
594 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
595 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
596
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
597 if (s[i] == '[')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
598 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
599 buf << 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 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
602 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
603 beg_idx = i;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
604
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
605 if (s[i] == '^')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
606 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
607 type = '^';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
608 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
609
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
610 if (i < n)
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 beg_idx = i;
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 if (s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
615 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
616 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
617 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
618 else if (s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
619 buf << s[i++];
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
622 while (i < n && s[i] != ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
623 buf << s[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 (i < n && s[i] == ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
626 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
627 end_idx = i-1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
628 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
629 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
630
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
631 if (s[i-1] != ']')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
632 retval = nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
633 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
634 else
21517
e626d8a3427e avoid possible memory leak related to ostringstream objects
John W. Eaton <jwe@octave.org>
parents: 21503
diff changeset
635 buf << s[i++];
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
636
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
637 nconv++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
638 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
639
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
640 if (nconv >= 0)
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 (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
643 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
644 end_idx - beg_idx + 1));
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
645
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
646 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
647 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
648
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
649 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
650 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
651
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
652 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
653 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
654 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
655 size_t n = fmt_elts.size ();
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 for (size_t i = 0; i < n; i++)
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 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
660
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
661 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
662 << "width: " << elt->width << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
663 << "discard: " << elt->discard << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
664 << "type: ";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
665
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
666 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
667 std::cerr << "literal text\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
668 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
669 std::cerr << "whitespace\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
670 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
671 std::cerr << elt->type << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
672
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
673 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
674 << "modifier: " << elt->modifier << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
675 << "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
676 << "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
677 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
678 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
679
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
680 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
681 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
682 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
683 size_t n = fmt_elts.size ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
684
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
685 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
686 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
687 for (size_t i = 0; i < n; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
688 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
689 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
690
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
691 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
692 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
693 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
694 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
695 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
696 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
697
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
698 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
699 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
700 break;
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 }
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 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
705 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
706 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
707 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
708 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
709
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
710 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
711 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
712 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
713 size_t n = fmt_elts.size ();
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 if (n > 0)
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 for (size_t i = 0; i < n; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
718 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
719 scanf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
720
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
721 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
722 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
723 case 'd': case 'i': case 'o': case 'u': case 'x':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
724 case 'e': case 'f': case 'g':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
725 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
726
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
727 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
728 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
729 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
730 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
731 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
732
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
733 return true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
734 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
735 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
736 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
737 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
738
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
739 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
740 printf_format_elt
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 public:
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 printf_format_elt (const char *txt = 0, int n = 0, int w = -1,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
745 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
746 char typ = '\0', char mod = '\0')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
747 : text (strsave (txt)), args (n), fw (w), prec (p), flags (f),
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
748 type (typ), modifier (mod)
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
751 printf_format_elt (const printf_format_elt& e)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
752 : text (strsave (e.text)), args (e.args), fw (e.fw), prec (e.prec),
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
753 flags (e.flags), type (e.type), modifier (e.modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
754 { }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
755
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
756 printf_format_elt& operator = (const printf_format_elt& e)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
757 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
758 if (this != &e)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
759 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
760 text = strsave (e.text);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
761 args = e.args;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
762 fw = e.fw;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
763 prec = e.prec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
764 flags = e.flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
765 type = e.type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
766 modifier = e.modifier;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
767 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
768
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
769 return *this;
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
770 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
771
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
772 ~printf_format_elt (void) { delete [] text; }
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 // The C-style format string.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
775 const char *text;
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 // 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
778 int args;
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 // Field width.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
781 int fw;
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 // Precision.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
784 int prec;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
785
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
786 // Flags -- '-', '+', ' ', '0', or '#'.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
787 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
788
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
789 // 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
790 // '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
791 char type;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
792
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
793 // 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
794 char modifier;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
797 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
798 printf_format_list
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 public:
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 (const std::string& fmt = "");
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 // No copying!
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
805
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
806 printf_format_list (const printf_format_list&) = delete;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
807
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
808 printf_format_list& 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
809
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
810 ~printf_format_list (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
811
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
812 octave_idx_type num_conversions (void) { return nconv; }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
813
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
814 const printf_format_elt *first (void)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
815 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
816 curr_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
817 return current ();
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
818 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
819
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
820 const printf_format_elt *current (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
821 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
822 return length () > 0 ? fmt_elts[curr_idx] : 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
823 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
824
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
825 size_t length (void) const { return fmt_elts.size (); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
826
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
827 const printf_format_elt *next (bool cycle = true)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
828 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
829 curr_idx++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
830
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
831 if (curr_idx >= length ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
832 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
833 if (cycle)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
834 curr_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
835 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
836 return 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
837 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
838
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
839 return current ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
840 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
841
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
842 bool last_elt_p (void) { return (curr_idx + 1 == length ()); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
843
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
844 void printme (void) const;
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 bool ok (void) const { return (nconv >= 0); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
847
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
848 operator bool () const { return ok (); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
849
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
850 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
851
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
852 // Number of conversions specified by this format string, or -1 if
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
853 // invalid conversions have been found.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
854 octave_idx_type nconv;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
855
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
856 // Index to current element;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
857 size_t curr_idx;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
858
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
859 // List of format elements.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
860 std::deque<printf_format_elt*> fmt_elts;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
861
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
862 // Temporary buffer.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
863 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
864
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
865 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
866 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
867
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
868 void process_conversion (const std::string& s, size_t& i, size_t n,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
869 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
870 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
871
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
872 void finish_conversion (const std::string& s, size_t& i, int args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
873 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
874 char modifier, char& type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
875 };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
876
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
877 printf_format_list::printf_format_list (const std::string& s)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
878 : nconv (0), curr_idx (0), fmt_elts (), buf ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
879 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
880 size_t n = s.length ();
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 size_t i = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
883
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
884 int args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
885 std::string flags;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
886 int fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
887 int prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
888 char modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
889 char type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
890
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
891 bool have_more = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
892 bool empty_buf = true;
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 if (n == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
895 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
896 printf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
897 = 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
898
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
899 fmt_elts.push_back (elt);
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 else
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 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
904 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
905 have_more = true;
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 empty_buf = (buf.tellp () == 0);
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 switch (s[i])
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 case '%':
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 if (empty_buf)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
914 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
915 process_conversion (s, i, n, args, flags, fw, prec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
916 type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
917
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
918 // 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
919 // 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
920 // 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
921 // 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
922 // last trip through the loop.
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 have_more = (buf.tellp () != 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
925 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
926 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
927 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
928 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
929 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
932 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
933 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
934 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
935 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
936 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
937 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
938 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
939 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
940 empty_buf = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
941 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
942 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
945 if (nconv < 0)
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 have_more = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
948 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
949 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
950 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
951
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
952 if (have_more)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
953 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
954
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
955 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
956 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
957 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
958 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
959
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
960 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
961 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
962 size_t n = fmt_elts.size ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
963
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
964 for (size_t i = 0; i < n; i++)
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 printf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
967 delete elt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
968 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
969 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
970
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
971 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
972 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
973 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
974 char modifier)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
975 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
976 std::string text = buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
977
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
978 if (! text.empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
979 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
980 printf_format_elt *elt
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
981 = new printf_format_elt (text.c_str (), args, fw, prec, flags,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
982 type, modifier);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
983
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
984 fmt_elts.push_back (elt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
985 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
987 buf.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
988 buf.str ("");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
989 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
990
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
991 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
992 printf_format_list::process_conversion (const std::string& s, size_t& i,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
993 size_t n, int& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
994 std::string& flags, int& fw,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
995 int& prec, char& modifier,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
996 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
997 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
998 args = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
999 flags = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1000 fw = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1001 prec = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1002 modifier = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1003 type = '\0';
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1005 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1006
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1007 bool nxt = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1008
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1009 while (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1010 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1011 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1012 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1013 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
1014 flags += s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1015 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1016 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1017
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1018 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1019 nxt = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1020 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1021 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1022
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1023 if (nxt)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
1024 break;
23059
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1027 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1028 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1029 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1030 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1031 fw = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1032 args++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1033 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1034 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1035 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1036 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1037 if (isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1038 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1039 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1040 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
1041 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
1042 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1043
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1044 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
1045 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1046 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1047 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1048
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1049 if (i < n && s[i] == '.')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1050 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1051 // nothing before the . means 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1052 if (fw == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1053 fw = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1054
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1055 // . followed by nothing is 0.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1056 prec = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1057
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1058 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1060 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1061 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1062 if (s[i] == '*')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1063 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1064 prec = -2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1065 args++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1066 buf << s[i++];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1067 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1068 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1069 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1070 if (isdigit (s[i]))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1071 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1072 int nn = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1073 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
1074 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
1075 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1076
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1077 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
1078 buf << s[i++];
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1081 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1082
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1083 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1084 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1085 // 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
1086 // 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
1087 // integers.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1088
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1089 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1090 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1091 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
1092 modifier = s[i++];
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1096 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1097 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1098 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1099
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1100 if (i < n)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1101 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
1102 else
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
1103 nconv = -1;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1104 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1105
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1106 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1107 printf_format_list::finish_conversion (const std::string& s, size_t& i,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1108 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
1109 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
1110 char& type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1111 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1112 switch (s[i])
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1113 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1114 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
1115 case 'u': case 'c':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1116 if (modifier == 'L')
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 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1119 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1120 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1121 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1122
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1123 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
1124 if (modifier == 'h' || modifier == 'l')
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 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1127 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1128 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1129 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1130
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1131 case 's': case 'p': case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1132 if (modifier != '\0')
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 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1135 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1136 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1137 goto fini;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1138
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1139 fini:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1141 type = s[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1142
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1143 buf << s[i++];
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 != '%' || args != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1146 nconv++;
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 if (type != '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1149 args++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1150
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1151 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
1152
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1153 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1154
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1155 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1156 nconv = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1157 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1158 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1159 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1160
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1161 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1162 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
1163 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1164 size_t n = fmt_elts.size ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1165
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1166 for (size_t i = 0; i < n; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1167 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1168 printf_format_elt *elt = fmt_elts[i];
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1169
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1170 std::cerr
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1171 << "args: " << elt->args << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1172 << "flags: '" << elt->flags << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1173 << "width: " << elt->fw << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1174 << "prec: " << elt->prec << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1175 << "type: '" << elt->type << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1176 << "modifier: '" << elt->modifier << "'\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1177 << "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
1178 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1179 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
1180 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
1181
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
1182 // Calculate x^n. Used for ...e+nn so that, for example, 1e2 is
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
1183 // exactly 100 and 5e-1 is 1/2
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
1184
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
1185 static double
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
1186 pown (double x, unsigned int n)
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
1187 {
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
1188 double retval = 1;
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
1189
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
1190 for (unsigned int d = n; d; d >>= 1)
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
1191 {
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
1192 if (d & 1)
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
1193 retval *= x;
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
1194 x *= x;
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
1195 }
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
1196
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
1197 return retval;
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
1198 }
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
1199
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1200 static Cell
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1201 init_inf_nan (void)
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
1202 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1203 Cell retval (dim_vector (1, 2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1204
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1205 retval(0) = Cell (octave_value ("inf"));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1206 retval(1) = Cell (octave_value ("nan"));
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
1207
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
1208 return retval;
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
1209 }
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
1210
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1211 namespace octave
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
1212 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1213 // 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
1214 // by single-character delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1215 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1216 // 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
1217 // 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
1218 // textscan workload.
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 // 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
1221 // 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
1222 // 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
1223 // 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
1224 // 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
1225
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1226 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1227 delimited_stream
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1228 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1229 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1230
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1231 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
1232 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
1233
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1234 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
1235
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1236 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1237
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1238 delimited_stream (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1239
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1240 delimited_stream& operator = (const delimited_stream&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1241
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1242 ~delimited_stream (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1243
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1244 // 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
1245 // 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
1246 void field_done (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1247 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1248 if (idx >= last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1249 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1250 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1251
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1252 // 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
1253 // 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
1254 int refresh_buf (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1255
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1256 // 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
1257 // a delimiter has been reached.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1258 int get (void)
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 if (delimited)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1261 return eof () ? std::istream::traits_type::eof () : *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1262 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1263 return get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1264 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1265
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1266 // 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
1267 int get_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1268
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1269 // Read character that will be got by the next get.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1270 int peek (void) { return eof () ? std::istream::traits_type::eof () : *idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1271
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1272 // 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
1273 int peek_undelim (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1274
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1275 // 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
1276 // 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
1277 // 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
1278 // get, get_delim, field_done, refresh_buf, getline, read or seekg.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1279 void putback (char /*ch*/ = 0) { if (! eof ()) --idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1280
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1281 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
1282
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1283 // int skipline (char delim);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1284
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1285 char *read (char *buffer, int size, char* &new_start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1286
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1287 // 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
1288 // block between calls to field_done.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1289 char *tellg (void) { return idx; }
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 void seekg (char *old_idx) { idx = old_idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1292
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1293 bool eof (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1294 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1295 return (eob == buf && i_stream.eof ()) || (flags & std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1296 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1297
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1298 operator const void* (void) { return (! eof () && ! flags) ? this : 0; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1299
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1300 bool fail (void) { return flags & std::ios_base::failbit; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1301
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1302 std::ios_base::iostate rdstate (void) { return flags; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1303
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1304 void setstate (std::ios_base::iostate m) { flags = flags | m; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
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 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1309 flags = flags & m;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1315 void progress_benchmark (void) { progress_marker = idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1316
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1317 bool no_progress (void) { return progress_marker == idx; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1322 int bufsize;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1325 std::istream& i_stream;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1328 char *buf;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1331 char *idx;
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).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1335 char *last;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1338 char *eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1339
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1340 // True if there is delimiter in the bufer after idx.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1341 bool delimited;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1344 int longest;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1347 const std::string delims;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1350 std::streampos buf_in_file;
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.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1353 char *progress_marker;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1354
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1355 std::ios_base::iostate flags;
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)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1366 : bufsize (bsize), i_stream (is), longest (longest_lookahead),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1367 delims (delimiters),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1368 flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1369 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1370 buf = new char[bufsize];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1371 eob = buf + bufsize;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1372 idx = eob; // refresh_buf shouldn't try to copy old data
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1373 progress_marker = idx;
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 // FIXME: Find a more efficient approach. Perhaps derived dstr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1379 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
1380 const delimited_stream& ds)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1381 : bufsize (ds.bufsize), i_stream (is), longest (ds.longest),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1382 delims (ds.delims),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1383 flags (std::ios::failbit & ~std::ios::failbit) // can't cast 0
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1384 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1385 buf = new char[bufsize];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1386 eob = buf + bufsize;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1387 idx = eob; // refresh_buf shouldn't try to copy old data
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1388 progress_marker = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1389 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
1390 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1391
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1392 delimited_stream::~delimited_stream (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1393 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1394 // 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
1395 if (! eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1396 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1397 i_stream.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1398 i_stream.seekg (buf_in_file);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1399 i_stream.read (buf, idx - buf);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1400 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1401
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1402 delete [] buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1403 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1404
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1405 // 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
1406 // if necessary.
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 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1409 delimited_stream::get_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1410 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1411 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1412 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1413 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1414 setstate (std::ios_base::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1415 return std::istream::traits_type::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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1418 if (idx < eob)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1419 retval = *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1420 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1421 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1422 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1423
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1424 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1425 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1426 setstate (std::ios_base::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1427 retval = std::istream::traits_type::eof ();
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1430 retval = *idx++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1431 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1432
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1433 if (idx >= last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1434 delimited = false;
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 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1437 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1438
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1439 // 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
1440 // 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
1441
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1442 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1443 delimited_stream::peek_undelim (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1444 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1445 int retval = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1446 putback ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1447
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1448 return retval;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1451 // 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
1452 // 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
1453 // 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
1454 // processed.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1455
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1456 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1457 delimited_stream::refresh_buf (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1458 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1459 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1460 return std::istream::traits_type::eof ();
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 int retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1463
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1464 if (eob < idx)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1465 idx = eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1466
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1467 size_t old_remaining = eob - idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1468
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1469 octave_quit (); // allow ctrl-C
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1470
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1471 if (old_remaining > 0)
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 buf_in_file += (idx - buf);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1474 memmove (buf, idx, old_remaining);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1475 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1476
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1477 progress_marker -= idx - buf; // where original idx would have been
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1478 idx = buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1479
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1480 int gcount; // chars read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1481 if (! i_stream.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1482 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1483 buf_in_file = i_stream.tellg (); // record for destructor
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1484 i_stream.read (buf + old_remaining, bufsize - old_remaining);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1485 gcount = i_stream.gcount ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1486 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1487 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1488 gcount = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1489
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1490 eob = buf + old_remaining + gcount;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1491 last = eob;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1492 if (gcount == 0)
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 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1495
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1496 if (eob != buf) // no more data in file, but still some to go
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1497 retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1498 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1499 // file and buffer are both done.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1500 retval = std::istream::traits_type::eof ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1501 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1502 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1503 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1504 delimited = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1505
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1506 for (last = eob - longest; last - buf >= 0; last--)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1507 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1508 if (delims.find (*last) != std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1509 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1510 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1511
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1512 if (last < buf)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1513 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1514
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1515 retval = 0;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1518 // 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
1519 if (retval == std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1520 *idx = '\0'; // FIXME: check that no TreatAsEmpty etc starts w. \0?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1521
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1522 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1523 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1524
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1525 // 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
1526 // 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
1527 // 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
1528 // 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
1529 // 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
1530
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1531 char *
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1532 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
1533 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1534 char *retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1535
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1536 if (eob - idx > size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1537 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1538 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1539 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1540 if (idx > last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1541 delimited = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1542 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1543 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1544 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1545 // 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
1546 // 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
1547 // 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
1548 // 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
1549
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1550 if (eob - prior_tell + size < bufsize)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1551 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1552 octave_idx_type gap = idx - prior_tell;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1553 idx = prior_tell;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1554 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1555 idx += gap;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1556 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1557 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
1558 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1559 refresh_buf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1560 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1561
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1562 prior_tell = buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1563
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1564 if (eob - idx > size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1565 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1566 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1567 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1568 if (idx > last)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1569 delimited = false;
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
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 if (size <= bufsize) // small read, but reached EOF
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1574 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1575 retval = idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1576 memset (eob, 0, size + (idx - buf));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1577 idx += size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1578 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1579 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
1580 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1581 retval = buffer;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1582 // FIXME: read bufsize at a time
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1583 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1584 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
1585 *buffer++ = get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1586 if (eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1587 memset (buffer, 0, size - i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1588 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1589 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1590 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1591
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1592 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1593 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1594
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1595 // 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
1596 // must have length at least 1.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1597
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1598 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1599 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
1600 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1601 int len = out.length (), used = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1602 int ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1603 while ((ch = get_undelim ()) != delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1604 && ch != std::istream::traits_type::eof ())
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[used++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1607 if (used == len)
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 len <<= 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1610 out.resize (len);
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1613 out.resize (used);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1614 field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1615
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1616 return ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1617 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1618
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1619 // 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
1620
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1621 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1622 textscan_format_elt
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1623 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1624 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1625
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1626 enum special_conversion
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1627 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1628 whitespace_conversion = 1,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1629 literal_conversion = 2
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
1630 };
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1631
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1632 textscan_format_elt (const 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
1633 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
1634 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
1635 : 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
1636 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
1637 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
1638 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1639
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1640 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
1641 : 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
1642 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
1643 discard (e.discard), numeric (e.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1644 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1645
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1646 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
1647 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1648 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
1649 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1650 text = e.text;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1651 width = e.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1652 prec = e.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1653 bitwidth = e.bitwidth;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1654 discard = e.discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1655 type = e.type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1656 numeric = e.numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1657 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
1658 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1659
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1660 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
1661 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1662
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1663 // The C-style format string.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1664 std::string text;
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 maximum field width.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1667 unsigned int width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1668
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1669 // 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
1670 // floating point conversion.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1671 int prec;
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 // 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
1674 // 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
1675 int bitwidth;
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 // The class of characters in a `[' or `^' format.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1678 std::string char_class;
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 // Type of conversion
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1681 // -- `d', `u', `f', `n', `s', `q', `c', `%', `C', `D', `[' or `^'.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1682 char type;
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 // 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
1685 bool discard;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1686
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1687 // 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
1688 bool numeric;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1689 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1690
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1691 // The (parsed) sequence of format specifiers.
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 class textscan;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1694
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1695 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1696 textscan_format_list
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1697 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1698 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1699
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1700 textscan_format_list (const std::string& fmt = std::string (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1701 const std::string& who = "textscan");
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1702 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1703
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1704 textscan_format_list (const textscan_format_list&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1705
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1706 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
1707
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1708 ~textscan_format_list (void);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1709
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1710 octave_idx_type num_conversions (void) const { return nconv; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1711
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1712 // 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
1713 // 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
1714 // 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
1715 // last conversion.
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 size_t numel (void) const { return fmt_elts.size (); }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1718
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1719 const textscan_format_elt *first (void)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1720 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1721 curr_idx = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1722 return current ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1723 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1724
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1725 const textscan_format_elt *current (void) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1726 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1727 return numel () > 0 ? fmt_elts[curr_idx] : 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1728 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1729
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1730 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
1731 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1732 curr_idx++;
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 if (curr_idx >= numel ())
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
1735 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1736 if (cycle)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1737 curr_idx = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1738 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1739 return 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1740 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1741
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1742 return current ();
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1745 void printme (void) const;
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 bool ok (void) const { return (nconv >= 0); }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1748
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1749 operator const void* (void) const { return ok () ? this : 0; }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1750
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1751 // 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
1752 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1753
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1754 // 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
1755 bool set_from_first;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1756
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1757 // 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
1758 bool has_string;
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 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
1761
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1762 std::list<octave_value> out_buf (void) const { return (output_container); }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1763
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1764 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1765
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1766 // Number of conversions specified by this format string, or -1 if
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1767 // invalid conversions have been found.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1768 octave_idx_type nconv;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1769
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1770 // Index to current element;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1771 size_t curr_idx;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1772
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1773 // List of format elements.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1774 std::deque<textscan_format_elt*> fmt_elts;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1775
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1776 // list holding column arrays of types specified by conversions
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1777 std::list<octave_value> output_container;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1778
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1779 // Temporary buffer.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1780 std::ostringstream buf;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1781
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1782 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
1783 octave_value val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1784 char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1785 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
1786
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1787 void process_conversion (const std::string& s, size_t& i, size_t n);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1788
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1789 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
1790
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1791 int finish_conversion (const std::string& s, size_t& i, size_t n,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1792 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
1793 octave_value& val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1794 bool discard, char& type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1795 };
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1796
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1797 // 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
1798 // according to a format.
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 // The calling sequence is
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1801 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1802 // textscan scanner ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1803 // scanner.scan (...);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1804
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1805 class
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1806 OCTINTERP_API
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1807 textscan
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1808 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1809 public:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1810
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1811 textscan (const std::string& who_arg = "textscan");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1812
22869
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1813 // No copying!
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1814
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1815 textscan (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1816
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1817 textscan& operator = (const textscan&) = delete;
f75d289645ec make deleted functions public
John W. Eaton <jwe@octave.org>
parents: 22868
diff changeset
1818
22868
87e3163f6c87 use c++11 "= default" syntax for declaration of trivial destructors
John W. Eaton <jwe@octave.org>
parents: 22865
diff changeset
1819 ~textscan (void) = default;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1820
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1821 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
1822 octave_idx_type ntimes,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1823 const octave_value_list& options,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1824 octave_idx_type& read_count);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1825
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1826 private:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1827
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1828 friend class textscan_format_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1829
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1830 // 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
1831 std::string who;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1832
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1833 std::string buf;
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 // Three cases for delim_table and delim_list
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1836 // 1. delim_table empty, delim_list empty: whitespace delimiters
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1837 // 2. delim_table = look-up table of delim chars, delim_list empty.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1838 // 3. delim_table non-empty, delim_list = Cell array of delim strings
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1839
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1840 std::string whitespace_table;
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 // delim_table[i] == '\0' if i is not a delimiter.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1843 std::string delim_table;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1844
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1845 // String of delimiter characters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1846 std::string delims;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1847
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1848 Cell comment_style;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1849
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1850 // How far ahead to look to detect an open comment.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1851 int comment_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1852
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1853 // First character of open comment.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1854 int comment_char;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1855
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1856 octave_idx_type buffer_size;
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 std::string date_locale;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1859
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1860 // 'inf' and 'nan' for formatted_double.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1861 Cell inf_nan;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1862
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1863 // Array of strings of delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1864 Cell delim_list;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1865
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1866 // Longest delimiter.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1867 int delim_len;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1868
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1869 octave_value empty_value;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1870 std::string exp_chars;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1871 int header_lines;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1872 Cell treat_as_empty;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1873
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1874 // Longest string to treat as "N/A".
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1875 int treat_as_empty_len;
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 std::string whitespace;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1878
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1879 short eol1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1880 short eol2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1881 short return_on_error;
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 bool collect_output;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1884 bool multiple_delims_as_one;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1885 bool default_exp;
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 octave_idx_type lines;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1888
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1889 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
1890 octave_idx_type ntimes);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1891
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1892 void 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
1893 textscan_format_list& fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1894
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1895 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
1896 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1897 Array<octave_idx_type> row, int& done_after);
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1898
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1899 void scan_one (delimited_stream& is, const textscan_format_elt& fmt,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1900 octave_value& ov, Array<octave_idx_type> row);
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1901
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1902 // 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
1903 double read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1904 const textscan_format_elt& fmt) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1905
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1906 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
1907 Complex& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1908
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1909 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
1910 std::string& val) const;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1911
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1912 int scan_caret (delimited_stream& is, const std::string& pattern,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1913 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1914
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1915 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
1916 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1917
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1918 void scan_cstring (delimited_stream& is, const textscan_format_elt& fmt,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1919 std::string& val) const;
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1920
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1921 void scan_qstring (delimited_stream& is, const textscan_format_elt& fmt,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1922 std::string& val);
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1923
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1924 // Helper methods.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1925 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
1926 const std::string& ends) const;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1927
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1928 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
1929 bool case_sensitive = true) const;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1930
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1931 bool match_literal (delimited_stream& isp, const textscan_format_elt& elem);
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1932
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1933 int skip_whitespace (delimited_stream& is, bool EOLstop = false);
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1934
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1935 int skip_delim (delimited_stream& is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1936
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1937 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
1938 {
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1939 return ((delim_table.empty () && (isspace (ch) || ch == eol1 || ch == eol2))
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1940 || delim_table[ch] != '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1941 }
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1942
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1943 bool isspace (unsigned int ch) const { return whitespace_table[ch & 0xff]; }
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1944
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1945 // True if the only delimiter is whitespace.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1946 bool whitespace_delim (void) const { return delim_table.empty (); }
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1947 };
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1948
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1949 textscan_format_list::textscan_format_list (const std::string& s,
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1950 const std::string& who_arg)
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1951 : who (who_arg), set_from_first (false), has_string (false),
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parents: 22323
diff changeset
1952 nconv (0), curr_idx (0), fmt_elts (), buf ()
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1953 {
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1954 size_t n = s.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1955
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1956 size_t i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1957
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1958 unsigned int width = -1; // Unspecified width = max (except %c)
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1959 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1960 int bitwidth = 0;
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parents: 22323
diff changeset
1961 bool discard = false;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1962 char type = '\0';
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1963
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parents: 22323
diff changeset
1964 bool have_more = true;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1965
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1966 if (s.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1967 {
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parents: 22323
diff changeset
1968 buf.clear ();
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1969 buf.str ("");
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 buf << "%f";
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1972
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1973 bitwidth = 64;
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parents: 22323
diff changeset
1974 type = 'f';
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parents: 22323
diff changeset
1975 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
1976 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1977 have_more = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1978 set_from_first = true;
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John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1979 nconv = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1980 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1981 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1982 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1983 set_from_first = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1984
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1985 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1986 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1987 have_more = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1988
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1989 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
1990 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1991 // Process percent-escape conversion type.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1992
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1993 process_conversion (s, i, n);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1994
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
1995 // 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
1996 // must have just been called, so we are already done with
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
1997 // 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
1998 // 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
1999 // loop.
71dd9d5a5ecd move more new classes inside octave namespace
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parents: 22323
diff changeset
2000
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2001 have_more = (buf.tellp () != 0);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2002 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2003 else if (isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2004 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2005 while (++i < n && isspace (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2006 /* skip whitespace */;
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 have_more = false;
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2011 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2012 type = textscan_format_elt::literal_conversion;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2013
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2014 width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2015 prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2016 bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2017 discard = true;
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 while (i < n && ! isspace (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2020 && (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
2021 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2022 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
2023 i++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2024 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2025 width++;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2028 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
2029 discard, type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2030
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2031 have_more = false;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2034 if (nconv < 0)
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 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2038 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2039 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2040 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2041
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2042 if (have_more)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2043 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
2044
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2045 buf.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2046 buf.str ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2047 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2048
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2049 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
2050 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2051 size_t n = numel ();
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 for (size_t i = 0; i < n; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2054 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2055 textscan_format_elt *elt = fmt_elts[i];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2056 delete elt;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2057 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2058 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2059
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2060 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2061 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
2062 int bitwidth, octave_value val_type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2063 bool discard, char type,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2064 const std::string& char_class)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2065 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2066 std::string text = buf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2067
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2068 if (! text.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2069 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2070 textscan_format_elt *elt
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2071 = new textscan_format_elt (text, width, prec, bitwidth, discard, type,
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2072 char_class);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2073
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2074 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2075 output_container.push_back (val_type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2076
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2077 fmt_elts.push_back (elt);
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2080 buf.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2081 buf.str ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2082 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2083
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2084 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2085 textscan_format_list::process_conversion (const std::string& s, size_t& i,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2086 size_t n)
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 unsigned width = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2089 int prec = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2090 int bitwidth = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2091 bool discard = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2092 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2093 char type = '\0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2094
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2095 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2096
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2097 bool have_width = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2098
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2099 while (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2100 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2101 switch (s[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2102 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2103 case '*':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2104 if (discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2105 nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2106 else
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 discard = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2109 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2110 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2111 break;
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 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
2114 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
2115 if (have_width)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2116 nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2117 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2118 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2119 char c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2120 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2121 have_width = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2122 buf << c;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2123 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2124 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2125 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2126 width = width * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2127 buf << c;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2128 }
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 if (i < n && s[i] == '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2131 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2132 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2133 prec = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2134 while (i < n && isdigit (s[i]))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2135 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2136 c = s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2137 prec = prec * 10 + c - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2138 buf << c;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2139 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2140 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2141 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2142 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2143
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2144 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
2145 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2146 bool done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2147 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2148 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
2149 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2150 if (s[i] == '8')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2151 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2152 bitwidth = 8;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2153 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2154 val_type = octave_value (int8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2155 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2156 val_type = octave_value (uint8NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2157 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2158 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2159 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
2160 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2161 bitwidth = 16;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2162 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2163 val_type = octave_value (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
2164 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2165 val_type = octave_value (uint16NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2166 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2167 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2168 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2169 else 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
2170 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2171 done = false; // use default size below
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2172 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2173 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
2174 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2175 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
2176 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2177 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2178 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2179 val_type = octave_value (int64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2180 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2181 val_type = octave_value (uint64NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2182 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2183 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2184 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2185 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2186 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
2187 }
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2188 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2189 done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2190
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2191 if (! 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
2192 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2193 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2194 if (type == 'd')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2195 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
2196 else
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2197 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
2198 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2199 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2200 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2201
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2202 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2203 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2204 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2205 if (i < n)
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 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
2208 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2209 bitwidth = 32;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2210 val_type = octave_value (FloatNDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2211 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2212 buf << s[i++];
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 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
2215 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2216 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2217 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2218 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2219 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2220 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2221 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2222 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2223 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2224 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2225 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2226
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2227 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2228 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2229 bitwidth = 64;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2230 val_type = octave_value (NDArray ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2231 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2232
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2233 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
2234 if (! discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2235 val_type = octave_value (Cell ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2236 buf << (type = s[i++]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2237 has_string = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2238 goto fini;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2239
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2240 fini:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2241 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2242 if (! have_width)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2243 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2244 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
2245 width = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2246 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2247 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
2248 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2249
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2250 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
2251 discard, type) == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2252 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
2253 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2254 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2255
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2256 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2257 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
2258 who.c_str (), s[i]);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2259 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2260
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2261 if (nconv < 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2262 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2263 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2264
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2265 nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2266 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2267
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2268 // Parse [...] and [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2269 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2270 // 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
2271 // 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
2272 // 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
2273 // 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
2274 // pattern.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2275 //
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2276 // 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
2277 // 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
2278 // The latter is efficient for [^...] patterns.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2279
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2280 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2281 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
2282 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2283 int len = pattern.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2284 if (len == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2285 return "";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2286
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2287 std::string retval (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2288 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
2289
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2290 int in = 0, out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2291 unsigned char ch, prev = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2292 bool flip = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2293
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2294 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2295 if (ch == '^')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2296 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2297 in++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2298 flip = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2299 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2300 mask[pattern[in]] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2301 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
2302
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2303 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
2304 bool prev_prev_was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2305 for (; in < len; in++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2306 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2307 bool was_range = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2308 ch = pattern[in];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2309 if (ch == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2310 break;
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 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
2313 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2314 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
2315 if (start_of_range < ch
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2316 && ((isupper (ch) && isupper (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2317 || (islower (ch) && islower (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2318 || (isdigit (ch) && isdigit (start_of_range))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2319 || 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
2320 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2321 was_range = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2322 out--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2323 mask['-']--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2324 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
2325 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2326 if (mask[i] == '\0')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2327 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2328 mask[i] = '\1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2329 retval[out++] = 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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2332 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2333 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2334 if (! was_range)
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 if (mask[ch]++ == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2337 retval[out++] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2338 else if (ch != '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2339 warning_with_id ("octave:textscan-pattern",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2340 "%s: [...] contains two '%c's",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2341 who.c_str (), ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2342
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2343 if (prev == '-' && mask['-'] >= 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2344 warning_with_id
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2345 ("octave:textscan-pattern",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2346 "%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
2347 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2348 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2349 prev = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2350 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
2351 prev_was_range = was_range;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2352 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2353
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2354 if (flip) // [^...]
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2355 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2356 out = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2357 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
2358 if (! mask[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2359 retval[out++] = i;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2362 retval.resize (out);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2363
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2364 return retval;
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 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2368 textscan_format_list::finish_conversion (const std::string& s, size_t& i,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2369 size_t n, unsigned int& width,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2370 int& prec, int& bitwidth,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2371 octave_value& val_type, bool discard,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2372 char& type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2373 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2374 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2375
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2376 std::string char_class;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2377
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2378 size_t beg_idx = std::string::npos;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2379 size_t end_idx = std::string::npos;
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 if (type != '%')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2382 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2383 nconv++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2384 if (type == '[')
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 (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2387 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2388 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2389
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2390 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
2391 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2392 type = '^';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2393 buf << s[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 (i < n)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2396 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2397 beg_idx = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2398
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2399 if (s[i] == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2400 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2401 }
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
2402 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2403 else if (s[i] == ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2404 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2405 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2406
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2407 while (i < n && s[i] != ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2408 buf << s[i++];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2409
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2410 if (i < n && s[i] == ']')
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 end_idx = i-1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2413 buf << s[i++];
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2416 if (s[i-1] != ']')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2417 retval = nconv = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2418 }
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 (nconv >= 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2422 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2423 if (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
2424 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
2425 end_idx - beg_idx + 1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2426
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2427 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
2428 char_class);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2429 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2430
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2431 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2432 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2433
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2434 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2435 textscan_format_list::printme (void) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2436 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2437 size_t n = numel ();
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 for (size_t i = 0; i < n; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2440 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2441 textscan_format_elt *elt = fmt_elts[i];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2442
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2443 std::cerr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2444 << "width: " << elt->width << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2445 << "digits " << elt->prec << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2446 << "bitwidth: " << elt->bitwidth << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2447 << "discard: " << elt->discard << "\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2448 << "type: ";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2449
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2450 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
2451 std::cerr << "literal text\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2452 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
2453 std::cerr << "whitespace\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2454 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2455 std::cerr << elt->type << "\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2456
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2457 std::cerr
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2458 << "char_class: `" << undo_string_escapes (elt->char_class) << "'\n"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2459 << "text: `" << undo_string_escapes (elt->text) << "'\n\n";
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2460 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2461 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2462
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2463 // 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
2464 // 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
2465
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2466 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2467 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
2468 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2469 // 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
2470 std::string first_line (20, ' ');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2471
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2472 is.getline (first_line, static_cast<char> (ts.eol2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2473
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2474 if (! first_line.empty ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2475 && first_line[first_line.length () - 1] == ts.eol1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2476 first_line.resize (first_line.length () - 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2477
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2478 std::istringstream strstr (first_line);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2479 delimited_stream ds (strstr, is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2480
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2481 dim_vector dv (1,1); // initial size of each output_container
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2482 Complex val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2483 octave_value val_type;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2484 nconv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2485 int max_empty = 1000; // failsafe, if ds fails but not with eof
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2486 int retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2487
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2488 // read line, creating output_container as we go
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2489 while (! ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2490 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2491 bool already_skipped_delim = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2492 ts.skip_whitespace (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2493 ds.progress_benchmark ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2494 bool progress = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2495 ts.scan_complex (ds, *fmt_elts[0], val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2496 if (ds.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2497 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2498 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
2499
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2500 if (ds.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2501 break;
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 // 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
2504 // return with an error status.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2505 ts.skip_delim (ds);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2506 if (ds.no_progress ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2507 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2508 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
2509 break;
22326
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 already_skipped_delim = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2512
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2513 val = ts.empty_value.scalar_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2514
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2515 if (! --max_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2516 break;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2519 if (val.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2520 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
2521 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2522 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
2523
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2524 output_container.push_back (val_type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2525
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2526 if (! already_skipped_delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2527 ts.skip_delim (ds);
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 (! progress && ds.no_progress ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2530 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2531
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2532 nconv++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2533 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2534
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2535 output_container.pop_front (); // discard empty element from constructor
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2536
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2537 // Create fmt_list now that the size is known
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2538 for (octave_idx_type i = 1; i < nconv; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2539 fmt_elts.push_back (new textscan_format_elt (*fmt_elts[0]));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2540
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2541 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
2542 }
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 textscan::textscan (const std::string& who_arg)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2545 : who (who_arg), buf (), whitespace_table (), delim_table (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2546 delims (), comment_style (), comment_len (0), comment_char (-2),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2547 buffer_size (0), date_locale (), inf_nan (init_inf_nan ()),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2548 empty_value (octave::numeric_limits<double>::NaN ()), exp_chars ("edED"),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2549 header_lines (0), treat_as_empty (), treat_as_empty_len (0),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2550 whitespace (" \b\t"), eol1 ('\r'), eol2 ('\n'),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2551 return_on_error (1), collect_output (false),
23398
d4ef04757ead eliminate some compiler warnings
John W. Eaton <jwe@octave.org>
parents: 23220
diff changeset
2552 multiple_delims_as_one (false), default_exp (true), lines (0)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2553 { }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2554
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2555 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2556 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
2557 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
2558 octave_idx_type& count)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2559 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2560 textscan_format_list fmt_list (fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2561
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2562 parse_options (options, fmt_list);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2563
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2564 octave_value 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
2565
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2566 // 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
2567 // 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
2568 // 32-bit indexing.
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 std::ios::iostate state = isp.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2571 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2572 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
2573 isp.setstate (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2574
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2575 return result;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2576 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2577
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2578 octave_value
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2579 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
2580 octave_idx_type ntimes)
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 retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2583
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2584 if (fmt_list.num_conversions () == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2585 error ("%s: invalid format specified", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2586
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2587 if (fmt_list.num_conversions () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2588 error ("%s: no valid format conversion specifiers", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2589
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2590 // skip the first header_lines
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2591 std::string dummy;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2592 for (int i = 0; i < header_lines && isp; i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2593 getline (isp, dummy, static_cast<char> (eol2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2594
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2595 // 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
2596
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2597 // First, see how far ahead it should let us look.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2598 int max_lookahead = std::max (std::max (comment_len, treat_as_empty_len),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2599 std::max (delim_len, 3)); // 3 for NaN and Inf
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2600
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2601 // 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
2602 octave_idx_type buf_size = 4096;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2603 if (buffer_size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2604 buf_size = buffer_size;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2605 else if (ntimes > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2606 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2607 // Avoid overflow of 80*ntimes...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2608 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
2609 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
2610 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2611 // Finally, create the stream.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2612 delimited_stream is (isp,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2613 (delim_table.empty () ? whitespace + "\r\n" : delims),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2614 max_lookahead, buf_size);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2615
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2616 // 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
2617 // (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
2618 octave_idx_type size = ((ntimes < 8 && ntimes >= 0) ? ntimes : 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2619 Array<octave_idx_type> row_idx (dim_vector (1,2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2620 row_idx(1) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2621
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2622 int err = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2623 octave_idx_type row = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2624
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2625 if (multiple_delims_as_one) // bug #44750?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2626 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2627
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2628 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
2629
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2630 // 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
2631 if (fmt_list.set_from_first)
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 err = fmt_list.read_first_row (is, *this);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2634 lines = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2635
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2636 done_after = fmt_list.numel () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2637 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2638 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
2639 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2640 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2641 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
2642
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2643 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
2644
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2645 // 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
2646 // Check now which columns to merge.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2647 // 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
2648 // after reading in data.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2649 // 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
2650 // 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
2651 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
2652 int conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2653 if (collect_output)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2654 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2655 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
2656 for (const auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2657 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2658 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
2659 || (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
2660 merge_with_prev[conv++] = true;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2661 else
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2662 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
2663
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2664 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2665 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2666 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2667
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2668 // 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
2669 // infinite loop below.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2670 if (fmt_list.num_conversions () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2671 error ("%s: No conversions specified", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2672
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2673 // 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
2674 if (! err)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2675 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2676 for (/* row set ~30 lines above */; row < ntimes || ntimes == -1; row++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2677 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2678 if (row == 0 || row >= size)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2679 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2680 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
2681 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
2682 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
2683 }
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 row_idx(0) = row;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2686 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
2687
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2688 if ((err & ~1) > 0 || ! is || (lines >= ntimes && ntimes > -1))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2689 break;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2693 if ((err & 4) && ! return_on_error)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2694 error ("%s: Read error in field %d of row %d", who.c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2695 done_after + 1, row + 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2696
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2697 // 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
2698 bool uneven_columns = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2699 if (err & 4)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2700 uneven_columns = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2701 else if (isp.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2702 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2703 isp.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2704 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
2705 int last_char = isp.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2706 isp.setstate (isp.eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2707 uneven_columns = (last_char != eol1 && last_char != eol2);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2708 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2709
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2710 // convert return value to Cell array
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2711 Array<octave_idx_type> ra_idx (dim_vector (1,2));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2712
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2713 // (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
2714 // 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
2715 if (err & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2716 done_after = out.size () + 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2717
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2718 int valid_rows = (row == ntimes) ? ntimes
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
2719 : (((err & 1) && (err & 8)) ? row : row+1);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2720 dim_vector dv (valid_rows, 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2721
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2722 ra_idx(0) = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2723 int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2724 if (! collect_output)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2725 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2726 retval = Cell (dim_vector (1, out.size ()));
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2727 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2728 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2729 // trim last columns if that was requested
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2730 if (i == done_after && uneven_columns)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2731 dv = dim_vector (std::max (valid_rows - 1, 0), 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2732
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2733 ra_idx(1) = i;
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2734 retval = do_cat_op (retval, octave_value (Cell (col.resize (dv,0))),
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2735 ra_idx);
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2736 i++;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2737 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2738 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2739 else // group adjacent cells of the same type into a single cell
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2740 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2741 octave_value cur; // current cell, accumulating columns
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2742 octave_idx_type group_size = 0; // columns in this cell
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2743 int prev_type = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2744
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2745 conv = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2746 retval = Cell ();
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2747 for (auto& col : out)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2748 {
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2749 if (! merge_with_prev[conv++]) // including first time
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2750 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2751 if (prev_type != -1)
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
2752 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2753 ra_idx(1) = i++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2754 retval = do_cat_op (retval, octave_value (Cell (cur)),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2755 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
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 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
2758 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
2759 prev_type = col.type_id ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2760 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2761 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2762 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2763 ra_idx(1) = group_size++;
22862
e365e87371a3 maint: Use C++ range feature to simplify some for loops in libinterp/corefcn.
Rik <rik@octave.org>
parents: 22837
diff changeset
2764 cur = do_cat_op (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 ra_idx);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2766 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2767 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2768 ra_idx(1) = i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2769 retval = do_cat_op (retval, octave_value (Cell (cur)), ra_idx);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2770 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2771
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2772 return retval;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2775 // 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
2776 // EXP_CHARS option of OPTIONS.
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 double
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2779 textscan::read_double (delimited_stream& is,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2780 const textscan_format_elt& fmt) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2781 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2782 int sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2783 unsigned int width_left = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2784 double retval = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2785 bool valid = false; // syntactically correct double?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2786
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2787 int ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2788
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2789 if (ch == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2790 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2791 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2792 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2793 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2794 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2795 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2796 else if (ch == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2797 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2798 sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2799 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2800 ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2801 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2802 width_left--;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2805 // Read integer part
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2806 if (ch != '.')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2807 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2808 if (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
2809 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2810 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
2811 retval = retval * 10 + (ch - '0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2812 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2813 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2814
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2815 // 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
2816 if (ch == '.' && width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2817 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2818 double multiplier = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2819 int precision = fmt.prec;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2820 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2821
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2822 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2823 width_left--; // Consider width of '.'
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2824
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2825 if (precision == -1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2826 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
2827
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2828 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
2829 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
2830
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2831 for (i = 0; i < precision; i++)
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 (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
2834 retval += (ch - '0') * (multiplier *= 0.1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2835 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2836 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2837 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
2838 break;
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2839 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2840 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2841
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2842 // 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
2843 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
2844 && ch <= '9')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2845 retval += multiplier;
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 if (i > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2848 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
2849
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2850 // 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
2851 if (i == precision)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2852 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
2853 ; // discard
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 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2856 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2857
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2858 // 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
2859 bool used_exp = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2860 if (valid && width_left > 1 && exp_chars.find (ch) != std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2861 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2862 int ch1 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2863 if (ch1 == '-' || ch1 == '+' || (ch1 >= '0' && ch1 <= '9'))
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2864 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2865 // 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
2866 width_left--; // count "E"
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2867 int exp = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2868 int exp_sign = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2869 if (ch1 == '+')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2870 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2871 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2872 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2873 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2874 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2875 else if (ch1 == '-')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2876 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2877 exp_sign = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2878 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2879 if (width_left)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2880 width_left--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2881 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2882 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2883 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
2884 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2885 exp = exp*10 + ch - '0';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2886 valid = true;
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 width_left++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2889 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
2890 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2891
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2892 double multiplier = pown (10, exp);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2893 if (exp_sign > 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2894 retval *= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2895 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2896 retval /= multiplier;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2897
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2898 used_exp = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2899 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2900 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2901 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2902 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
2903 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2904
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2905 // Check for +/- inf and NaN
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2906 if (! valid && width_left >= 3)
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 int i = lookahead (is, inf_nan, 3, false); // false -> case insensitive
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2909 if (i == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2910 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2911 retval = octave::numeric_limits<double>::Inf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2912 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2913 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2914 else if (i == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2915 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2916 retval = octave::numeric_limits<double>::NaN ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2917 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2918 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2919 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2920
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2921 // Check for +/- inf and NaN
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2922 if (! valid && width_left >= 3)
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 int i = lookahead (is, inf_nan, 3, false); // false -> case insensitive
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2925 if (i == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2926 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2927 retval = octave::numeric_limits<double>::Inf ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2928 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2929 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2930 else if (i == 1)
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 retval = octave::numeric_limits<double>::NaN ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2933 valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2934 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2935 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2936
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2937 if (! valid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2938 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2939 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2940 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
2941
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2942 return retval * sign;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2943 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2944
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2945 // 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
2946 // 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
2947 // 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
2948
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2949 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2950 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
2951 Complex& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2952 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2953 double im = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2954 double re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2955 bool as_empty = false; // did we fail but match a "treat_as_empty" string?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2956 bool inf = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2957
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2958 int ch = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2959 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
2960 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2961 ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2962 int ch2 = is.peek ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2963 if (ch2 == 'i' || ch2 == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2964 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2965 double value = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2966 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2967 // Check not -inf
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2968 if (is.peek () == 'n')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2969 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2970 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2971 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2972
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2973 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2974 ch2 = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2975 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
2976 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2977 inf = true;
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
2978 re = (ch == '+') ? octave::numeric_limits<double>::Inf ()
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
2979 : -octave::numeric_limits<double>::Inf ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2980 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
2981 }
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
2982 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
2983 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2984 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2985 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
2986 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2987 }
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 im = (ch == '+') ? value : -value;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2990 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2991 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2992 is.putback (ch);
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2995 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
2996 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2997 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2998 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
2999 //re = octave_read_value<double> (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3000 re = read_double (is, fmt);
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 // check for "treat as empty" string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3003 if (treat_as_empty.numel ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3004 && (is.fail () || octave::math::is_NaN_or_NA (Complex (re))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3005 || re == octave::numeric_limits<double>::Inf ()))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3006 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3007
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3008 for (int i = 0; i < treat_as_empty.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3009 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3010 if (ch == treat_as_empty (i).string_value ()[0])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3011 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3012 as_empty = true; // first char matches, so read the lot
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3013 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3014 }
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 if (as_empty) // if first char matched...
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3017 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3018 as_empty = false; // ...look for the whole string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3019
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3020 is.clear (state); // treat_as_empty "-" causes partial read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3021 is.seekg (pos); // reset to position before failed read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3022
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3023 // 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
3024 // 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
3025 // that matches.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3026 std::string look_buf (treat_as_empty_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3027 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
3028
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3029 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3030 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
3031 // 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
3032
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3033 for (int i = 0; i < treat_as_empty.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3034 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3035 std::string s = treat_as_empty (i).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3036 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
3037 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3038 as_empty = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3039 // read just the right amount
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3040 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
3041 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3042 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3043 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3044 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3045 }
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 if (! is.eof () && ! as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3048 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3049 state = is.rdstate (); // before tellg, since that fails at EOF
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3050 pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3051 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
3052 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
3053 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3054 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3055 im = re;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3056 re = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3057 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3058 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
3059 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3060 // 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
3061 pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3062 state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3063
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3064 //im = octave_read_value<double> (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3065 im = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3066 if (is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3067 im = 1;
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 (is.peek () == 'i' || is.peek () == 'j')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3070 is.get ();
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 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3073 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
3074 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
3075 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
3076 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3077 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3078 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
3079 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
3080 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3081 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3082 if (as_empty)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3083 val = empty_value.scalar_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3084 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3085 val = Complex (re, im);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3086 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3087
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3088 // 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
3089
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3090 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3091 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
3092 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3093 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3094 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
3095 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
3096
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3097 while (is && ((c1 = (is && ! is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3098 ? is.get_undelim ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3099 : std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3100 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3101 && pattern.find (c1) == std::string::npos)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3102 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3103
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3104 val = obuf.str ();
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 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
3107 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3108
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3109 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3110 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3111
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3112 // 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
3113 // 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
3114
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3115 std::string
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3116 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
3117 const std::string& ends) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3118 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3119 std::string retval ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3120 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3121 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3122 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3123 // 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
3124 std::string next;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3125 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
3126 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
3127
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3128 int last = (! is.eof ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3129 ? 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
3130
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3131 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
3132 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3133 retval = retval + static_cast<char> (last);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3134 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
3135 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3136 std::string delim = delimiters(i).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3137 size_t start = (retval.length () > delim.length ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3138 ? retval.length () - delim.length ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3139 : 0);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3140 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
3141 if (may_match == delim)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3142 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3143 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3144 retval = retval.substr (0, start);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3145 break;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3148 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3149 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3150 while (! done && is && ! is.eof ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3151
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3152 return retval;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3153 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3154
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3155 // 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
3156 // 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
3157 // 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
3158
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3159 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3160 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
3161 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3162 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3163 if (delim_list.is_empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3164 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3165 unsigned int i = 0;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3166 unsigned int width = fmt.width;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3167
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3168 for (i = 0; i < width; i++)
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 if (i+1 > val.length ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3171 val = val + val + ' '; // grow even if empty
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3172 int ch = is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3173 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
3174 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3175 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
3176 break;
22326
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3179 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3180 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3181 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
3182 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3183 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
3184 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3185 std::string ends ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3186 for (int i = 0; i < delim_list.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3187 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3188 std::string tmp = delim_list(i).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3189 ends += tmp.substr (tmp.length () - 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3190 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3191 val = textscan::read_until (is, delim_list, ends);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3192 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3193 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3194
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3195 // 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
3196
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3197 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3198 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
3199 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3200 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3201 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
3202 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
3203
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3204 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
3205 obuf << static_cast<char> (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3206
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3207 val = obuf.str ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3208 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
3209 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3210 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3211 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3212
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3213 // 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
3214 // 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
3215 // 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
3216
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3217 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3218 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
3219 std::string& val)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3220 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3221 skip_whitespace (is);
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 if (is.peek () != '\"')
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3224 scan_string (is, fmt, val);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3225 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3226 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3227 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3228 scan_caret (is, "\"", val); // read everything until "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3229 is.get (); // swallow "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3230
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3231 while (is && is.peek () == '\"') // if double ", insert one in stream,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3232 { // and keep looking for single "
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3233 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3234 std::string val1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3235 scan_caret (is, "\"", val1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3236 val = val + "\"" + val1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3237 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3238 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3239 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3240 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3241
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3242 // 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
3243 // including any whitespace or delimiters.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3244
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3245 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3246 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
3247 std::string& val) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3248 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3249 val.resize (fmt.width);
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 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
3252 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3253 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3254 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
3255 val[i] = ch;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3256 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3257 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3258 val.resize (i);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3259 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3260 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3261 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3262 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3263
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3264 // 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
3265
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3266 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3267 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
3268 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
3269 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3270 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3271
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3272 is.clear ();
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 octave_value val;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3275 if (fmt.numeric)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3276 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3277 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
3278 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3279 Complex v;
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 scan_complex (is, fmt, v);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3282
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3283 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3284 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3285 if (fmt.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
3286 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3287 if (ov.is_real_type () && v.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3288 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
3289 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3290 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3291 if (ov.is_real_type ()) // cat does type conversion
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3292 ov = do_cat_op (ov, octave_value (v), row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3293 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3294 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
3295 }
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 }
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
3297 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
3298 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3299 if (ov.is_real_type () && v.imag () == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3300 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
3301 float (v.real ()));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3302 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3303 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3304 if (ov.is_real_type ()) // cat does type conversion
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3305 ov = do_cat_op (ov, octave_value (v), row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3306 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3307 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
3308 FloatComplex (v));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3309 }
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
3310 }
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
3311 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3312 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3313 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3314 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3315 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
3316 // 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
3317 // 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
3318 skip_whitespace (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3319 v = read_double (is, fmt);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3320 if (! fmt.discard && ! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3321 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
3322 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3323 case 64:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3324 switch (fmt.type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3325 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3326 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3327 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3328 octave_int64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3329 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
3330 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3331 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3332
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3333 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3334 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3335 octave_uint64 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3336 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
3337 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3338 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3339 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3340 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3341
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3342 case 32:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3343 switch (fmt.type)
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 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3346 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3347 octave_int32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3348 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
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 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3353 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3354 octave_uint32 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3355 ov.internal_rep ()->fast_elem_insert (row(0), vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3356 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3357 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3358 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3359 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3360
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3361 case 16:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3362 if (fmt.type == 'd')
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_int16 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 else
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 octave_uint16 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3370 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
3371 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3372 break;
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 case 8:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3375 if (fmt.type == 'd')
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 octave_int8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3378 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
3379 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3380 else
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 octave_uint8 vv = v;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3383 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
3384 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3385 break;
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3388
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3389 if (is.fail () & ! fmt.discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3390 ov = do_cat_op (ov, empty_value, row);
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 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3393 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3394 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
3395 switch (fmt.type)
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 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3398 scan_string (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3399 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3400
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3401 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3402 scan_qstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3403 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3404
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3405 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3406 scan_cstring (is, fmt, vv);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3407 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3408
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3409 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3410 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
3411 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3412
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3413 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3414 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
3415 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3416 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3417
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3418 if (! fmt.discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3419 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
3420 Cell (octave_value (vv)));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3421
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3422 // 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
3423 if (! vv.empty ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3424 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
3425 }
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 is.field_done ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3428 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3429
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3430 // 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
3431 // values in row ROW of retval.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3432
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3433 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3434 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
3435 textscan_format_list& fmt_list,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3436 std::list<octave_value>& retval,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3437 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
3438 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3439 const textscan_format_elt *elem = fmt_list.first ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3440 std::list<octave_value>::iterator out = retval.begin ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3441 bool no_conversions = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3442 bool done = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3443 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
3444 bool nothing_worked = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3445
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3446 octave_quit ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3447
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3448 for (size_t i = 0; i < fmt_list.numel (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3449 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3450 bool this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3451
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3452 // Clear fail of previous numeric conversions.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3453 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3454
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3455 switch (elem->type)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3456 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3457 case 'C':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3458 case 'D':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3459 warning ("%s: conversion %c not yet implemented",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3460 who.c_str (), elem->type);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3461 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3462
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3463 case 'u':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3464 case 'd':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3465 case 'f':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3466 case 'n':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3467 case 's':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3468 case '[':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3469 case '^':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3470 case 'q':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3471 case 'c':
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3472 scan_one (is, *elem, *out, row);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3473 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3474
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3475 case textscan_format_elt::literal_conversion :
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3476 match_literal (is, *elem);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3477 break;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3478
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3479 default:
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3480 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
3481 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3482
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3483 if (! is.fail ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3484 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3485 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3486 no_conversions = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3487 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3488 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3489 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3490 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
3491
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22407
diff changeset
3492 if (! is.eof () && ~is_delim (is.peek ()))
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3493 this_conversion_failed = true;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3496 if (! elem->discard)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3497 out++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3498
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3499 elem = fmt_list.next ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3500 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3501
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3502 // FIXME: these conversions "ignore delimiters". Should they include
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3503 // delimiters at the start of the conversion, or can those be skipped?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3504 if (elem->type != textscan_format_elt::literal_conversion
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3505 // && elem->type != '[' && elem->type != '^' && elem->type != 'c'
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3506 )
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3507 skip_delim (is);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3508
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3509 if (is.eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3510 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3511 if (! done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3512 done_after = i+1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3513
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3514 // note EOF, but process others to get empty_val.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3515 done = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3516 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3517
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3518 if (this_conversion_failed)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3519 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3520 if (is.tellg () == pos && ! conversion_failed)
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3521 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3522 // done_after = first failure
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3523 done_after = i; // note fail, but parse others to get empty_val
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3524 conversion_failed = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3525 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3526 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3527 this_conversion_failed = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3528 }
22737
7abc25e6206a maint: Clean up code base to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 22407
diff changeset
3529 else if (! done && ! conversion_failed)
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3530 nothing_worked = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3531 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3532
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3533 if (done)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3534 is.setstate (std::ios::eofbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3535
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3536 return no_conversions
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3537 + (is.eof () ? 2 : 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3538 + (conversion_failed ? 4 : 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3539 + (nothing_worked ? 8 : 0);
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3540
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3541 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3542
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3543 void
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3544 textscan::parse_options (const octave_value_list& args,
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3545 textscan_format_list& fmt_list)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3546 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3547 int last = args.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3548 int n = last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3549
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3550 if (n & 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3551 error ("%s: %d parameters given, but only %d values",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3552 who.c_str (), n-n/2, n/2);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3553
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3554 delim_len = 1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3555 bool have_delims = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3556 for (int i = 0; i < last; i += 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3557 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3558 std::string param = args(i).xstring_value ("%s: Invalid parameter type <%s> for parameter %d",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3559 who.c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3560 args(i).type_name ().c_str (),
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3561 i/2 + 1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3562 std::transform (param.begin (), param.end (), param.begin (), ::tolower);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3563
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3564 if (param == "delimiter")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3565 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3566 bool invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3567 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3568 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3569 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3570 have_delims = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3571 delims = args(i+1).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3572 if (args(i+1).is_sq_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3573 delims = do_string_escapes (delims);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3574 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3575 else if (args(i+1).is_cell ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3576 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3577 invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3578 delim_list = args(i+1).cell_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3579 delim_table = " "; // non-empty, to flag non-default delim
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3580
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3581 // Check that all elements are strings, and find max length
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3582 for (int j = 0; j < delim_list.numel (); j++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3583 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3584 if (! delim_list(j).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3585 invalid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3586 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3587 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3588 if (delim_list(j).is_sq_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3589 delim_list(j) = do_string_escapes (delim_list(j)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3590 .string_value ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3591 octave_idx_type len = delim_list(j).string_value ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3592 .length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3593 delim_len = std::max (static_cast<int> (len), delim_len);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3594 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3595 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3596 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3597 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3598 error ("%s: Delimiters must be either a string or cell array of strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3599 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3600 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3601 else if (param == "commentstyle")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3602 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3603 if (args(i+1).is_string ())
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3604 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3605 // check here for names like "C++", "C", "shell", ...?
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3606 comment_style = Cell (args(i+1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3607 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3608 else if (args(i+1).is_cell ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3609 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3610 comment_style = args(i+1).cell_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3611 int len = comment_style.numel ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3612 if ((len >= 1 && ! comment_style (0).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3613 || (len >= 2 && ! comment_style (1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3614 || (len >= 3))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3615 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3616 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3617 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3618 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3619 error ("%s: CommentStyle must be either a string or cell array of one or two strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3620 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3621
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3622 // How far ahead do we need to look to detect an open comment
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3623 // and which character do we look for?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3624 if (comment_style.numel () >= 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3625 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3626 comment_len = comment_style (0).string_value ().size ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3627 comment_char = comment_style (0).string_value ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3628 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3629 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3630 else if (param == "treatasempty")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3631 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3632 bool invalid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3633 if (args(i+1).is_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3634 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3635 treat_as_empty = Cell (args(i+1));
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3636 treat_as_empty_len = args(i+1).string_value ().size ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3637 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3638 else if (args(i+1).is_cell ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3639 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3640 treat_as_empty = args(i+1).cell_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3641 for (int j = 0; j < treat_as_empty.numel (); j++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3642 if (! treat_as_empty (j).is_string ())
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3643 invalid = true;
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3644 else
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3645 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3646 int k = treat_as_empty (j).string_value ().size ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3647 if (k > treat_as_empty_len)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3648 treat_as_empty_len = k;
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3649 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3650 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3651 if (invalid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3652 error ("%s: TreatAsEmpty must be either a string or cell array of one or two strings",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3653 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3654
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3655 // FIXME: Ensure none is a prefix of a later one. Sort by length?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3656 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3657 else if (param == "collectoutput")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3658 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3659 collect_output = args(i+1).xbool_value ("%s: CollectOutput must be logical or numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3660 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3661 else if (param == "emptyvalue")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3662 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3663 empty_value = args(i+1).xscalar_value ("%s: EmptyValue must be numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3664 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3665 else if (param == "headerlines")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3666 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3667 header_lines = args(i+1).xscalar_value ("%s: HeaderLines must be numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3668 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3669 else if (param == "bufsize")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3670 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3671 buffer_size = args(i+1).xscalar_value ("%s: BufSize must be numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3672 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3673 else if (param == "multipledelimsasone")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3674 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3675 multiple_delims_as_one = args(i+1).xbool_value ("%s: MultipleDelimsAsOne must be logical or numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3676 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3677 else if (param == "returnonerror")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3678 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3679 return_on_error = args(i+1).xbool_value ("%s: ReturnOnError must be logical or numeric", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3680 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3681 else if (param == "whitespace")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3682 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3683 whitespace = args(i+1).xstring_value ("%s: Whitespace must be a character string", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3684 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3685 else if (param == "expchars")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3686 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3687 exp_chars = args(i+1).xstring_value ("%s: ExpChars must be a character string", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3688 default_exp = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3689 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3690 else if (param == "endofline")
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3691 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3692 bool valid = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3693 std::string s = args(i+1).xstring_value ("%s: EndOfLine must be at most one character or '\\r\\n'", who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3694 if (args(i+1).is_sq_string ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3695 s = do_string_escapes (s);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3696 int l = s.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3697 if (l == 0)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3698 eol1 = eol2 = -2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3699 else if (l == 1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3700 eol1 = eol2 = s.c_str ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3701 else if (l == 2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3702 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3703 eol1 = s.c_str ()[0];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3704 eol2 = s.c_str ()[1];
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3705 if (eol1 != '\r' || eol2 != '\n') // Why limit it?
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3706 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3707 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3708 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3709 valid = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3710
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3711 if (! valid)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3712 error ("%s: EndOfLine must be at most one character or '\\r\\n'",
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3713 who.c_str ());
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3714 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3715 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3716 error ("%s: unrecognized option '%s'", who.c_str (), param.c_str ());
21502
7a19c5678f91 move textscan class to oct-stream.cc and textscan function to file-io.cc
John W. Eaton <jwe@octave.org>
parents: 21477
diff changeset
3717 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3718
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3719 whitespace_table = std::string (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3720 for (unsigned int i = 0; i < whitespace.length (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3721 whitespace_table[whitespace[i]] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3722
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3723 // 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
3724 // whitespace is explicitly ignored.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3725 if (! (whitespace.empty () && fmt_list.has_string))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3726 whitespace_table[' '] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3727
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3728 // Create look-up table of delimiters, based on 'delimiter'
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3729 delim_table = std::string (256, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3730 if (eol1 >= 0 && eol1 < 256)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3731 delim_table[eol1] = '1'; // EOL is always a delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3732 if (eol2 >= 0 && eol2 < 256)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3733 delim_table[eol2] = '1'; // EOL is always a delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3734 if (! have_delims)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3735 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
3736 {
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3737 if (isspace (i))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3738 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
3739 }
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3740 else
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3741 for (unsigned int i = 0; i < delims.length (); i++)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3742 delim_table[delims[i]] = '1';
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3743 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3744
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3745 // 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
3746 // 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
3747
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3748 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3749 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
3750 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3751 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
3752 bool found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3753
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3754 do
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3755 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3756 found_comment = false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3757 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3758 while (is && (c1 = is.get_undelim ()) != std::istream::traits_type::eof ()
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3759 && ( ( (c1 == eol1 || c1 == eol2) && ++lines && ! EOLstop)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3760 || isspace (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3761 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3762 if (prev == eol1 && eol1 != eol2 && c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3763 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3764 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3765 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3766
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3767 if (c1 == comment_char) // see if we match an open comment
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3768 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3769 // 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
3770 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3771 std::ios::iostate state = is.rdstate ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3772
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3773 std::string tmp (comment_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3774 char *look = is.read (&tmp[0], comment_len-1, pos); // already read first char
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3775 if (is && ! strncmp (comment_style(0).string_value ().substr (1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3776 .c_str (), look, comment_len-1))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3777 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3778 found_comment = true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3779
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3780 std::string dummy;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3781 if (comment_style.numel () == 1) // skip to end of line
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3782 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3783 std::string eol (3, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3784 eol[0] = eol1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3785 eol[1] = eol2;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3786
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3787 scan_caret (is, eol, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3788 c1 = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3789 if (c1 == eol1 && eol1 != eol2 && is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3790 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3791 lines++;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3792 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3793 else // matching pair
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 std::string end_c = comment_style(1).string_value ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3796 // last char of end-comment sequence
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3797 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
3798 std::string may_match ("");
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3799 do
22407
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3800 {
34ce5be04942 maint: Style check C++ code in libinterp/.
Rik <rik@octave.org>
parents: 22327
diff changeset
3801 // 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
3802 scan_caret (is, last, dummy);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3803 is.get_undelim (); // (read LAST itself)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3804
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3805 may_match = may_match + dummy + last;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3806 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
3807 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3808 size_t start = may_match.length () - end_c.length ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3809 may_match = may_match.substr (start);
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 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3812 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
3813 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3814 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3815 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
3816 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3817 is.clear (state);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3818 is.seekg (pos);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3819 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3820 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3821 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3822 while (found_comment);
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 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
3825 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3826 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3827 }
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 // 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
3830 // 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
3831 // 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
3832
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3833 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3834 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
3835 bool case_sensitive) const
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3836 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3837 // target strings may be different sizes.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3838 // 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
3839 // that matches.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3840
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3841 char *pos = is.tellg ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3842
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3843 std::string tmp (max_len, '\0');
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3844 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
3845
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3846 is.clear ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3847 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
3848 // 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
3849
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3850 int i;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3851 int (*compare)(const char *, const char *, size_t);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3852 compare = case_sensitive ? strncmp : strncasecmp;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3853
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3854 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
3855 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3856 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
3857 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
3858 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3859 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
3860 break;
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3864 if (i == targets.numel ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3865 i = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3866
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3867 return i;
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 // Skip delimiters -- multiple if MultipleDelimsAsOne specified.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3871 int
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3872 textscan::skip_delim (delimited_stream& is)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3873 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3874 int c1 = skip_whitespace (is, true); // 'true': stop once EOL is read
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3875 if (delim_list.numel () == 0) // single character delimiter
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 if (is_delim (c1) || c1 == eol1 || c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3878 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3879 is.get ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3880 if (c1 == eol1 && is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3881 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
3882
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3883 if (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3884 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3885 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3886 // skip multiple delims.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3887 // Increment lines for each end-of-line seen; for \r\n, decrement
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3888 while (is && ((c1 = is.get_undelim ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3889 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3890 && (((c1 == eol1 || c1 == eol2) && ++lines)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3891 || isspace (c1) || is_delim (c1)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3892 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3893 if (prev == eol1 && eol1 != eol2 && c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3894 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3895 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3896 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3897 if (c1 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3898 is.putback (c1);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3899 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3900 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3901 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3902 else // multi-character delimiter
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3903 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3904 int first_match;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3905
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3906 if (c1 == eol1 || c1 == eol2
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3907 || (-1 != (first_match = lookahead (is, delim_list, delim_len))))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3908 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3909 if (c1 == eol1)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3910 {
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
3911 is.get_undelim ();
22326
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3912 if (is.peek_undelim () == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3913 is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3914 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3915 else if (c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3916 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3917 is.get_undelim ();
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
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3920 if (multiple_delims_as_one)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3921 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3922 int prev = -1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3923 // skip multiple delims.
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3924 // Increment lines for each end-of-line seen; for \r\n, decrement
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3925 while (is && ((c1 = skip_whitespace (is, true))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3926 != std::istream::traits_type::eof ())
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3927 && (((c1 == eol1 || c1 == eol2) && ++lines)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3928 || -1 != lookahead (is, delim_list, delim_len)))
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3929 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3930 if (prev == eol1 && eol1 != eol2 && c1 == eol2)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3931 lines--;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3932 prev = c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3933 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3934 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3935 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3936 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3937
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3938 return c1;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3939 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3940
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3941 // 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
3942 // 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
3943 // false (and set failbit).
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3944
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3945 bool
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3946 textscan::match_literal (delimited_stream& is, const textscan_format_elt& fmt)
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3947 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3948 // "false" -> treat EOL as normal space
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3949 // 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
3950 skip_whitespace (is, false);
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 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
3953 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3954 int ch = is.get_undelim ();
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3955 if (ch != fmt.text[i])
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3956 {
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3957 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
3958 is.putback (ch);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3959 is.setstate (std::ios::failbit);
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3960 return false;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3961 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3962 }
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3963 return true;
71dd9d5a5ecd move more new classes inside octave namespace
John W. Eaton <jwe@octave.org>
parents: 22323
diff changeset
3964 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3965
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3966 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3967 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
3968 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3969 fail = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3970 errmsg = msg;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3971 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3972
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3973 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3974 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
3975 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3976 fail = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3977 errmsg = who + ": " + msg;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3978 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3979
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3980 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3981 base_stream::clear (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3982 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3983 fail = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3984 errmsg = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3985 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3987 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3988 base_stream::clearerr (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3989 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3990 std::istream *is = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3991 std::ostream *os = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3992
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3993 if (is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3994 is->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3995
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3996 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3997 os->clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3998 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
3999
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4000 // 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
4001 // are those that define is).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4002
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4003 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4004 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
4005 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
4006 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4007 if (octave::application::interactive () && file_number () == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4008 ::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
4009 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4010
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4011 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4013 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4014
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4015 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4016
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4017 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4018 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4019 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4020 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4021 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4022 else
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 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4025
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4026 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4027
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4028 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4029 int char_count = 0;
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 if (max_len != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4032 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4033 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
4034 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4035 char_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4037 // 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
4038 if (c == '\r')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4039 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4040 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4041 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4042
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4043 c = is.get ();
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 (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
4046 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4047 if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4048 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4049 char_count++;
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 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4052 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4053 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4054 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4055 is.putback (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4056 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4057
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4058 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4059 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4060 else if (c == '\n')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4061 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4062 if (! strip_newline)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4063 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4064
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4065 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4066 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4067 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4068 buf << static_cast<char> (c);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4069
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4070 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
4071 break;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4074
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4075 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
4076 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4077 // 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
4078 // 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
4079 // corresponding C-library functions do.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4080 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
4081 if (! is.eof ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4082 is.putback (disgusting_compatibility_hack);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4083 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4084
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4085 if (is.good () || (is.eof () && char_count > 0))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4086 retval = buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4087 else
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 err = true;
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 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
4092 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
4093 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4094 error (who, "read error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4095 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4096 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4097
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4098 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4099 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4100
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4101 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4102 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
4103 const std::string& who)
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 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
4106 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4109 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
4110 const std::string& who)
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 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
4113 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4114
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4115 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4116 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
4117 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4118 if (octave::application::interactive () && file_number () == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4119 ::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
4120 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4121
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4122 off_t cnt = -1;
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 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4125
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4126 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4129 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4130 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4131 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4132 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4133 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4134 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4135 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4136
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4137 int c = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4138 int lastc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4139 cnt = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4141 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
4142 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4143 // 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
4144 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
4145 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4146 if (++cnt == num)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4147 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4148 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4149
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4150 lastc = c;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4151 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4152
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4153 // 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
4154 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
4155 is.get ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4156
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4157 if (is.bad ())
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 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4160 error (who, "read error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4161 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4162
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4163 if (err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4164 cnt = -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4167 return cnt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4168 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4169
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4170 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4171 std::istream&
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4172 octave_scan_1 (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
4173 T* valptr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4174 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4175 T value = T ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4176
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4177 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4178 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4179 case 'o':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4180 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
4181 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4182
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4183 case 'x':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4184 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
4185 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4186
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4187 case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4188 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4189 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
4190
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4191 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
4192 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4193 ; // skip whitespace
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 if (c1 != std::istream::traits_type::eof ())
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4196 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4197 if (c1 == '0')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4198 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4199 int c2 = is.peek ();
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 if (c2 == 'x' || c2 == 'X')
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 is.ignore ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4204 if (std::isxdigit (is.peek ()))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4205 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
4206 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4207 value = 0;
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 else
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4210 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4211 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
4212 || 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
4213 || c2 == '6' || c2 == '7')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4214 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
4215 else if (c2 == '8' || c2 == '9')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4216 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4217 // 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
4218 // 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
4219 // input to fcn.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4220 // 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
4221 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4222 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4223 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4224 value = 0;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4225 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4226 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4227 else
23059
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 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4230
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4231 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4232 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4233 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4234 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4235 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4238 is >> value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4239 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4240 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4241
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4242 // 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
4243 // 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
4244 // 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
4245 // 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
4246 // *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
4247 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
4248 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
4249
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4250 // 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
4251 // want to continue reading.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4252 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
4253 *valptr = value;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4254
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4255 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4256 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4257
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4258 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4259 std::istream&
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4260 octave_scan (std::istream& is, const scanf_format_elt& fmt, T* valptr)
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 (fmt.width)
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 // 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
4265 // temporary stringstream buffer.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4266 std::string tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4267
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4268 is.width (fmt.width);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4269 is >> tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4270
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4271 std::istringstream ss (tmp);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4273 octave_scan_1 (ss, fmt, valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4274 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4275 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4276 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
4277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4278 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4279 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4280
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4281 // Note that this specialization is only used for reading characters, not
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4282 // character strings. See BEGIN_S_CONVERSION for details.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4283
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4284 template <>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4285 std::istream&
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4286 octave_scan<> (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
4287 char* valptr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4288 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4289 return is >> valptr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4290 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4291
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4292 template <>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4293 std::istream&
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4294 octave_scan<> (std::istream& is, const scanf_format_elt& fmt, double* valptr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4295 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4296 double& ref = *valptr;
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 switch (fmt.type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4299 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4300 case 'e':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4301 case 'f':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4302 case 'g':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4303 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4304 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
4305
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4306 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
4307 && isspace (c1))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4308 ; // skip whitespace
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4309
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4310 if (c1 != std::istream::traits_type::eof ())
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4311 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4312 is.putback (c1);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4313
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4314 ref = octave_read_value<double> (is);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4315 }
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
4316 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4317 break;
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 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4320 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4321 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4324 return is;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4325 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4326
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4327 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4328 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4329 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
4330 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
4331 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
4332 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
4333 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4334 octave_scan (is, fmt, valptr);
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 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4337 return;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4338
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4339 if (idx == max_size && ! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4340 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4341 max_size *= 2;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4342
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4343 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4344 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
4345 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4346 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
4347
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4348 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4349 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4350
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4351 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4352 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4353 conversion_count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4354 data[idx++] = *(valptr);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4355 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4356 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4357
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4358 template void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4359 do_scanf_conv (std::istream&, const scanf_format_elt&, double*,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4360 Matrix&, double*, octave_idx_type&, octave_idx_type&,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4361 octave_idx_type, octave_idx_type, bool);
2572
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
4362
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4363 #define DO_WHITESPACE_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4364 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4365 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4366 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4367 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4368 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
4369 && isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4370 { /* skip whitespace */ } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4371 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4372 if (c != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4373 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4374 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4375 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4376
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4377 #define DO_LITERAL_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4378 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4379 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4380 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
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 n = strlen (fmt); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4383 int i = 0; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4384 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4385 while (i < n && is && (c = is.get ()) != std::istream::traits_type::eof ()) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4386 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4387 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
4388 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4389 i++; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4390 continue; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4391 } \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4392 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4393 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4394 is.putback (c); \
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 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4397 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4398 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4399 if (i != n) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4400 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4401 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4402 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4403
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4404 #define DO_PCT_CONVERSION() \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4405 do \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4406 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4407 int c = is.get (); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4408 \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4409 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
4410 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4411 if (c != '%') \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4412 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4413 is.putback (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4414 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4415 } \
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 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4418 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4419 } \
3640
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4420 while (0)
d3b0ff09dda7 [project @ 2000-03-24 10:28:19 by jwe]
jwe
parents: 3639
diff changeset
4421
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4422 #define BEGIN_C_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4423 is.unsetf (std::ios::skipws); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4424 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4425 int width = elt->width ? elt->width : 1; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4426 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4427 std::string tmp (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4428 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4429 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4430 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4431 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4432 while (is && n < width \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4433 && (c = is.get ()) != std::istream::traits_type::eof ()) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4434 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4435 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4436 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
4437 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4438 \
12984
7626f8934466 correctly resize scanf output for %c formats (bug #34037)
John W. Eaton <jwe@octave.org>
parents: 12966
diff changeset
4439 tmp.resize (n)
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4440
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4441 // 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
4442 // 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
4443 #define BEGIN_S_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4444 int width = elt->width; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4445 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4446 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4447 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4448 do \
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 (width) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4451 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4452 tmp = std::string (width, '\0'); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4453 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4454 int c = std::istream::traits_type::eof (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4455 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4456 int n = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4457 \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4458 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
4459 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4460 if (! isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4461 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4462 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4463 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4464 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4465 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4466 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4467 while (is && n < width \
21184
3db899f1d54c use istream::traits_type::eof () instead of EOF
John W. Eaton <jwe@octave.org>
parents: 21147
diff changeset
4468 && (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
4469 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4470 if (isspace (c)) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4471 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4472 is.putback (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4473 break; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4474 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4475 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4476 tmp[n++] = static_cast<char> (c); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4477 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4478 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4479 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
4480 is.clear (); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4481 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4482 tmp.resize (n); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4483 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4484 else \
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 is >> std::ws >> tmp; \
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 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4489 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4490
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4491 // 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
4492 #define BEGIN_CHAR_CLASS_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4493 int width = elt->width; \
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 std::string tmp; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4496 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4497 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4498 { \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4499 if (! width) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4500 width = std::numeric_limits<int>::max (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4501 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4502 std::ostringstream buf; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4503 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4504 std::string char_class = elt->char_class; \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4505 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4506 int c = std::istream::traits_type::eof (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4507 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4508 if (elt->type == '[') \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4509 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4510 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4511 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4512 && (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
4513 && 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
4514 buf << static_cast<char> (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4515 } \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4516 else \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4517 { \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4518 int chars_read = 0; \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4519 while (is && chars_read++ < width \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4520 && (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
4521 && 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
4522 buf << static_cast<char> (c); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4523 } \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4524 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4525 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
4526 && 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
4527 is.putback (c); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4528 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4529 tmp = buf.str (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4530 \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4531 if (tmp.empty ()) \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4532 is.setstate (std::ios::failbit); \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4533 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
4534 is.clear (); \
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4535 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4536 } \
3483
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4537 while (0)
1bb6e519a4a2 [project @ 2000-01-26 23:37:10 by jwe]
jwe
parents: 3410
diff changeset
4538
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4539 #define FINISH_CHARACTER_CONVERSION() \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4540 do \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4541 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4542 width = tmp.length (); \
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 if (is) \
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 int i = 0; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4547 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4548 if (! discard) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4549 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4550 conversion_count++; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4551 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4552 while (i < width) \
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 if (data_index == max_size) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4555 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4556 max_size *= 2; \
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 (all_char_conv) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4559 { \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4560 if (one_elt_size_spec) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4561 mval.resize (1, max_size, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4562 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4563 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4564 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4565 panic_impossible (); \
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 else if (nr > 0) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4568 mval.resize (nr, max_size / nr, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4569 else \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4570 mval.resize (max_size, 1, 0.0); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4571 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4572 data = mval.fortran_vec (); \
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 \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4575 data[data_index++] = tmp[i++]; \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4576 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4577 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4578 } \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
4579 } \
3410
ee5f222025c3 [project @ 2000-01-07 04:19:05 by jwe]
jwe
parents: 3342
diff changeset
4580 while (0)
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
4581
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4582 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4583 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
4584 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
4585 bool one_elt_size_spec,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4586 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4587 const std::string& who)
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 if (octave::application::interactive () && file_number () == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4590 ::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
4591 who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4592
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4593 octave_value retval = Matrix ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4594
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4595 conversion_count = 0;
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 octave_idx_type nconv = fmt_list.num_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4598
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4599 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
4600
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4601 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4602 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4603 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4604 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4605
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4606 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
4607 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4608
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4609 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4610
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4611 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
4612
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4613 Matrix mval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4614 double *data = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4615 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
4616 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
4617
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4618 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
4619 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
4620
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4621 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4622 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4623 // 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
4624 // 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
4625 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4626 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4627 max_size = 512;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4628 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
4629
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4630 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4631 max_conv = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4632 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4633 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4634 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4635 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4636 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4637 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
4638 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
4639 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4640 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4641 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4642 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
4643 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4644 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4645 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4646 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4647 panic_impossible ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4648 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4649 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4650 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4651 if (nc > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4652 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4653 // Will not resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4654 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
4655 max_size = nr * nc;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4656 max_conv = max_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4657 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4658 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4659 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4660 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4661 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
4662 max_size = nr * 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4663 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4664 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4665 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4666 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4667 // Maybe resize later.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4668 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
4669 max_size = 32;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4670 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4671
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4672 data = mval.fortran_vec ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4673
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4674 if (isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4675 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4676 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4677
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4678 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
4679
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4680 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
4681
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4682 octave_idx_type trips = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4683
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4684 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
4685
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4686 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4687 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4688 octave_quit ();
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 if (elt)
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 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
4693 || (! (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
4694 || 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
4695 || elt->type == '%')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4696 && 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
4697 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4698 // We are done, either because we have reached the end of the
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4699 // format string and are not cycling through the format again
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4700 // or because we've converted all the values that have been
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4701 // requested and the next format element is a conversion.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4702 // Determine final array size and exit.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4703 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
4704 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4705 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4706 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4707 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4708 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4709 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4710 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4711 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
4712 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4713
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4714 break;
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 (data_index == max_size)
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 max_size *= 2;
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 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4721 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4722 if (one_elt_size_spec)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4723 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
4724 else if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4725 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
4726 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4727 panic_impossible ();
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 if (nr > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4730 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
4731 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4732 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
4733
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4734 data = mval.fortran_vec ();
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4737 const char *fmt = elt->text;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4738
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4739 bool discard = elt->discard;
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 switch (elt->type)
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 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
4744 DO_WHITESPACE_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4745 break;
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 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
4748 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4749 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4750
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4751 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4752 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4753 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4754
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4755 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4756 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4757 switch (elt->modifier)
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 case 'h':
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 int16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4762 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
4763 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4764 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4765 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4766 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4767
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4768 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4769 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4770 int64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4771 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
4772 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4773 nr, max_size, discard);
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4776
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4777 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4778 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4779 int32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4780 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
4781 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4782 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4783 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4784 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4785 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4786 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4787 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4788
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4789 case 'o': case 'u': case 'x':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4790 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4791 switch (elt->modifier)
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4792 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4793 case 'h':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4794 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4795 uint16_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4796 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
4797 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4798 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4799 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4800 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4801
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4802 case 'l':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4803 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4804 uint64_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4805 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
4806 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4807 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4808 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4809 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4810
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4811 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4812 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4813 uint32_t tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4814 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
4815 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4816 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4817 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4818 break;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4819 }
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4820 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4821 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4822
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4823 case 'e': case 'f': case 'g':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4824 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4825 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4826
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4827 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
4828 data_index, conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4829 nr, max_size, discard);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4830 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4831 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4832
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4833 case 'c':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4834 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4835 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4836
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4837 FINISH_CHARACTER_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4838
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4839 is.setf (flags);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4840 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4841 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4842
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4843 case 's':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4844 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4845 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4846
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4847 FINISH_CHARACTER_CONVERSION ();
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 '[': case '^':
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 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4854
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4855 FINISH_CHARACTER_CONVERSION ();
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
4856 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4857 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4858
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4859 case 'p':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4860 error ("%s: unsupported format specifier", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4861 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4862
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4863 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4864 error ("%s: internal format error", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4865 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4868 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4869 {
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4872 else if (! is)
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 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4875 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4876 if (one_elt_size_spec)
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 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4879 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4880 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4881 else if (data_index > nr)
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 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4884 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
4885 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4886 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4887 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4888 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4889 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4890 }
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 else if (nr > 0)
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 if (data_index > nr)
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 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4897 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
4898 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4899 else
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 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4902 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4903 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4904 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4905 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4906 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4907 final_nr = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4908 final_nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4909 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4910
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4911 // 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
4912 // 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
4913 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
4914 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
4915
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4916 // 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
4917 if (octave::application::interactive ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4918 && ! octave::application::forced_interactive ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4919 && name () == "stdin")
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 is.clear ();
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 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4924 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4925 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
4926 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4927
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4928 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4929 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4930 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4931 else
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 error ("%s: internal format error", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4934 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4935 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4936
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4937 if (nconv == 0 && ++trips == num_fmt_elts)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4938 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4939 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
4940 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4941 final_nr = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4942 final_nc = data_index;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4943 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4944 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4945 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4946 final_nr = nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4947 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
4948 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4949
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4950 break;
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 else
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 // 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
4955 // 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
4956 // 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
4957 // specified limit).
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4958 elt = fmt_list.next (nconv > 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4959 && (max_conv == 0
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4960 || conversion_count < max_conv));
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4963 }
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 if (ok ())
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 mval.resize (final_nr, final_nc, 0.0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4968
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4969 retval = mval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4970
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4971 if (all_char_conv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4972 retval = retval.convert_to_str (false, true);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4973 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4974
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4975 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4976 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4977
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4978 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4979 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
4980 octave_idx_type& conversion_count,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4981 const std::string& who)
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 octave_value retval = Matrix ();
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 conversion_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4986
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4987 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4990 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4991 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4992 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4993 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
4994
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4995 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
4996 ::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
4997
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4998 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
4999 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5000
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5001 bool one_elt_size_spec;
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 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
5004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5005 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
5006 conversion_count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5007 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5008
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5009 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5010 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5011
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5012 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5013 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
5014 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
5015 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5016 std::istream *isp = input_stream ();
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 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5019 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5020
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5021 bool quit = false;
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 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5024
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5025 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
5026
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5027 if (elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5028 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5029 const char *fmt = elt->text;
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 bool discard = elt->discard;
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 switch (elt->type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5034 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5035 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
5036 DO_WHITESPACE_CONVERSION ();
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 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
5040 DO_LITERAL_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5041 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5042
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5043 case '%':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5044 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5045 DO_PCT_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5046
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5047 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5048 quit = true;
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5049 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5050 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5051
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5052 case 'd': case 'i':
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5053 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5054 int tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5055
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5056 if (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
5057 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5058 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5059 retval = tmp;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5060 }
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5061 else
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5062 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5063 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5064 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5065
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5066 case 'o': case 'u': case 'x':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5067 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5068 long int tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5069
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5070 if (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
5071 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5072 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5073 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5074 }
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 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5077 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5078 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5079
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5080 case 'e': case 'f': case 'g':
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 double tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5083
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5084 if (octave_scan (is, *elt, &tmp))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5085 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5086 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5087 retval = tmp;
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5088 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5089 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5090 quit = true;
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 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5093
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5094 case 'c':
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 BEGIN_C_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5097
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5098 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5099 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5100
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5101 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5102 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5103
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5104 is.setf (flags);
10187
a44d15813a39 don't skip literal text elements in scanf formats
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
5105 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5106 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5107
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5108 case 's':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5109 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5110 BEGIN_S_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5111
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5112 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5113 retval = tmp;
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 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5116 quit = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5117 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5118 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5119
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5120 case '[':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5121 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
5122 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5123 BEGIN_CHAR_CLASS_CONVERSION ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5124
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5125 if (! discard)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5126 retval = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5128 if (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5129 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
5130 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5131 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5132
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5133 case 'p':
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5134 error ("%s: unsupported format specifier", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5135 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5136
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5137 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5138 error ("%s: internal format error", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5139 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5140 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5141 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5142
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5143 if (ok () && is.fail ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5144 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5145 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
5146
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5147 // 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
5148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5149 if (octave::application::interactive ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5150 && ! octave::application::forced_interactive ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5151 && name () == "stdin")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5152 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5153 // Skip to end of line.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5154 bool err;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5155 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
5156 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5157 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5158
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5159 return quit;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5160 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5161
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5162 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5163 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
5164 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5165 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5166
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5167 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5168
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5169 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5170 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5171 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5172 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5173 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5174
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5175 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
5176
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5177 octave_idx_type nconv = fmt_list.num_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5178
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5179 if (nconv == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5180 ::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
5181
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5182 is.clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5183
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5184 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
5185
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5186 retval.resize (nconv+2, Matrix ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5187
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5188 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
5189
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5190 int num_values = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5191
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5192 bool quit = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5193
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5194 for (octave_idx_type i = 0; i < len; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5195 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5196 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5197
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5198 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
5199
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5200 if (quit)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5201 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5202 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5203 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5204 if (tmp.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5205 retval(num_values++) = tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5206
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5207 if (! ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5208 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5209
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5210 elt = fmt_list.next (nconv > 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5211 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5212 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5213
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5214 retval(nconv) = num_values;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5215
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5216 int err_num;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5217 retval(nconv+1) = error (false, err_num);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5218
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5219 if (! quit)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5220 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5221 // Pick up any trailing stuff.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5222 if (ok () && len > nconv)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5223 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5224 octave_value tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5225
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5226 elt = fmt_list.next ();
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 do_oscanf (elt, tmp, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5229 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5230 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5231 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5234 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5235
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5236 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5237 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
5238 octave_idx_type ntimes,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5239 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5240 const std::string& who,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5241 octave_idx_type& read_count)
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 if (octave::application::interactive () && file_number () == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5244 ::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
5245 who.c_str ());
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 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
5248
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5249 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5250
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5251 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5252 invalid_operation (who, "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5253 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5254 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5255 octave::textscan scanner (who);
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 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
5258 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5259
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5260 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5261 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5262
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5263 // 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
5264 // (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
5265
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5266 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5267 base_stream::flush (void)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5270
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5271 std::ostream *os = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5272
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5273 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5274 invalid_operation ("fflush", "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5275 else
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 os->flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5278
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5279 if (os->good ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5280 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5281 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5282
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5283 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5284 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5285
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5286 class
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5287 printf_value_cache
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5288 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5289 public:
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 enum state { ok, conversion_error };
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5292
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5293 printf_value_cache (const octave_value_list& args, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5294 : values (args), val_idx (0), elt_idx (0),
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5295 n_vals (values.length ()), n_elts (0), have_data (false),
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5296 curr_state (ok)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5297 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5298 for (octave_idx_type i = 0; i < values.length (); i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5299 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5300 octave_value val = values(i);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5301
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5302 if (val.is_map () || val.is_cell () || val.is_object ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5303 err_wrong_type_arg (who, val);
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5304 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
5305 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
5306
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5307 // No copying!
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 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
5310
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5311 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
5312
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5313 ~printf_value_cache (void) = default;
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 // 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
5316 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
5317
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5318 // Get the current value as an int and advance the internal pointer.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5319 int int_value (void);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5320
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5321 operator bool () const { return (curr_state == ok); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5322
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5323 bool exhausted (void) { return (val_idx >= n_vals); }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5324
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5325 private:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5326
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5327 const octave_value_list values;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5328 int val_idx;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5329 int elt_idx;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5330 int n_vals;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5331 int n_elts;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5332 bool have_data;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5333 octave_value curr_val;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5334 state curr_state;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5335
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5336 // 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
5337
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5338 printf_value_cache (void);
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5341 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5342 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
5343 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5344 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5345
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5346 if (exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5347 curr_state = conversion_error;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5348
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5349 while (! exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5350 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5351 if (! have_data)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5352 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5353 curr_val = values (val_idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5354
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5355 elt_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5356 n_elts = curr_val.numel ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5357 have_data = true;
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5358 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5359
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5360 if (elt_idx < n_elts)
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5361 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5362 if (type == 's')
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5363 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5364 if (curr_val.is_string ())
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 dim_vector dv (1, curr_val.numel ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5367 octave_value tmp = curr_val.reshape (dv);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5368
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5369 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
5370
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5371 retval = sval.substr (elt_idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5372
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5373 // We've consumed the rest of the value.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5374 elt_idx = n_elts;
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 else
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 // 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
5379 // integers in the range [0 : char max]
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5380 const NDArray val = curr_val.array_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5381
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5382 octave_idx_type idx = elt_idx;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5383
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5384 for (; idx < n_elts; idx++)
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 double dval = val(idx);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5387
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5388 if (octave::math::x_nint (dval) != dval || dval < 0 || dval > 255)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5389 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5390 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5391
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5392 octave_idx_type n = idx - elt_idx;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5393
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5394 if (n > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5395 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5396 std::string sval (n, '\0');
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5397
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5398 for (octave_idx_type i = 0; i < n; i++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5399 sval[i] = val(elt_idx++);
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 retval = sval;
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5404 retval = curr_val.fast_elem_extract (elt_idx++);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5405 }
10315
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10293
diff changeset
5406 }
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5407 else
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 = curr_val.fast_elem_extract (elt_idx++);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5410
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5411 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
5412 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5413 double dval = retval.double_value ();
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 if (octave::math::x_nint (dval) == dval && dval >= 0 && dval < 256)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5416 retval = static_cast<char> (dval);
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5419
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5420 if (elt_idx >= n_elts)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5421 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5422 elt_idx = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5423 val_idx++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5424 have_data = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5425 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5426
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
5427 break;
23059
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 else
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 val_idx++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5432 have_data = false;
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 if (n_elts == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5435 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5436 if (elt_idx == 0)
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 if (type == 's' || type == 'c')
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5439 retval = "";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5440 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5441 retval = Matrix ();
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 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5446 if (exhausted ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5447 curr_state = conversion_error;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5448 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5449 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5450 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5451
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5452 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5453 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5454
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5455 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5456 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
5457 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5458 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5459
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5460 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
5461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5462 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
5463
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5464 if (octave::math::x_nint (dval) == dval)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5465 retval = octave::math::nint (dval);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5466 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5467 curr_state = conversion_error;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5468
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5469 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5470 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5471
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5472 // Ugh again and again.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5473
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5474 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5475 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5476 do_printf_conv (std::ostream& os, const char *fmt, int nsa, int sa_1,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5477 int sa_2, T arg, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5478 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5479 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5480
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5481 switch (nsa)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5482 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5483 case 2:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5484 retval = octave_format (os, fmt, sa_1, sa_2, arg);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5485 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5486
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5487 case 1:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5488 retval = octave_format (os, fmt, sa_1, arg);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5489 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5490
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5491 case 0:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5492 retval = octave_format (os, fmt, arg);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5493 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5494
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5495 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5496 ::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
5497 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5498 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5499
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5500 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5501 }
2572
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
5502 }
5c2be7c820ed [project @ 1996-12-08 04:02:46 by jwe]
jwe
parents: 2435
diff changeset
5503
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5504 static size_t
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5505 do_printf_string (std::ostream& os, const octave::printf_format_elt *elt,
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5506 int nsa, int sa_1, int sa_2, const std::string& arg,
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5507 const std::string& who)
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5508 {
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5509 if (nsa > 2)
20831
35241c4b696c eliminate return statements after calls to error
John W. Eaton <jwe@octave.org>
parents: 20768
diff changeset
5510 ::error ("%s: internal error handling format", who.c_str ());
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5511
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5512 std::string flags = elt->flags;
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5513
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5514 bool left = flags.find ('-') != std::string::npos;
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5515
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5516 size_t len = arg.length ();
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5517
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5518 size_t fw = nsa > 0 ? sa_1 : (elt->fw == -1 ? len : elt->fw);
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5519 size_t prec = nsa > 1 ? sa_2 : (elt->prec == -1 ? len : elt->prec);
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5520
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5521 os << std::setw (fw)
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5522 << (left ? std::left : std::right)
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5523 << (prec < len ? arg.substr (0, prec) : arg);
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5524
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5525 return len > fw ? len : fw;
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5526 }
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5527
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5528 static bool
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5529 is_nan_or_inf (const octave_value& val)
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5530 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5531 octave_value ov_isnan = val.isnan ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5532 octave_value ov_isinf = val.isinf ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5533
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5534 return (ov_isnan.is_true () || ov_isinf.is_true ());
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5535 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5536
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5537 static bool
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5538 ok_for_signed_int_conv (const octave_value& val)
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5539 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5540 uint64_t limit = std::numeric_limits<int64_t>::max ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5541
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5542 if (val.is_string ())
20252
7fa170cc14fe Return correct hex value for printf when used with string inputs (bug #45263).
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
5543 return true;
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5544 else if (val.is_integer_type ())
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5545 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5546 if (val.is_uint64_type ())
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5547 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5548 octave_uint64 ival = val.uint64_scalar_value ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5549
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5550 if (ival.value () <= limit)
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5551 return true;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5552 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5553 else
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5554 return true;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5555 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5556 else
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5557 {
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5558 double dval = val.double_value (true);
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5559
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21777
diff changeset
5560 if (dval == octave::math::round (dval) && dval <= limit)
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5561 return true;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5562 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5563
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5564 return false;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5565 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5566
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5567 static bool
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5568 ok_for_unsigned_int_conv (const octave_value& val)
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5569 {
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5570 if (val.is_string ())
20252
7fa170cc14fe Return correct hex value for printf when used with string inputs (bug #45263).
John W. Eaton <jwe@octave.org>
parents: 19864
diff changeset
5571 return true;
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5572 else if (val.is_integer_type ())
18653
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5573 {
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5574 // Easier than dispatching here...
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5575
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5576 octave_value ov_is_ge_zero
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5577 = do_binary_op (octave_value::op_ge, val, octave_value (0.0));
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5578
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5579 return ov_is_ge_zero.is_true ();
7d0014bb9e4e also switch from unsigned integer to real format for negative values
John W. Eaton <jwe@octave.org>
parents: 18650
diff changeset
5580 }
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5581 else
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5582 {
19729
17a7e9f26e50 improve compatibility of printf functions
John W. Eaton <jwe@octave.org>
parents: 19697
diff changeset
5583 double dval = val.double_value (true);
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5584
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5585 uint64_t limit = std::numeric_limits<uint64_t>::max ();
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5586
21782
2aef506f3fec use namespace for lo-mappers.h functions
John W. Eaton <jwe@octave.org>
parents: 21777
diff changeset
5587 if (dval == octave::math::round (dval) && dval >= 0 && dval <= limit)
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5588 return true;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5589 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5590
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5591 return false;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5592 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5593
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5594 static std::string
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5595 switch_to_g_format (const octave::printf_format_elt *elt)
18650
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5596 {
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5597 std::string tfmt = elt->text;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5598
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5599 tfmt.replace (tfmt.rfind (elt->type), 1, "g");
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5600
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5601 return tfmt;
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5602 }
491b0adfec95 compatibility fixes for printf integer format specifiers
John W. Eaton <jwe@octave.org>
parents: 18620
diff changeset
5603
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5604 namespace octave
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3337
diff changeset
5605 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5606 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5607 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
5608 const printf_format_elt *elt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5609 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
5610 const octave_value& val,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5611 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5612 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5613 int retval = 0;
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 const char *fmt = elt->text;
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 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
5618 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5619 double dval = val.double_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5620
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5621 std::string tfmt = fmt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5622 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
5623
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5624 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
5625
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5626 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
5627 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5628 tfmt.erase (i2, i1-i2);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5629 if (elt->prec == -2)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5630 nsa--;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5631 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5632
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5633 const char *tval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5634 if (lo_ieee_isinf (dval))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5635 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5636 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
5637 tval = (dval < 0 ? "-Inf" : "+Inf");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5638 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5639 tval = (dval < 0 ? "-Inf" : "Inf");
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5642 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5643 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
5644 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
5645 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5646 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
5647 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5648
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5649 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2, tval, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5650 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5651 else
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 static std::string llmod
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5654 = sizeof (long) == sizeof (int64_t) ? "l" : "ll";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5655
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5656 char type = elt->type;
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 switch (type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5659 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5660 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
5661 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
5662 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5663 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
5664
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5665 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5666 std::string tfmt = fmt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5667 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
5668
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5669 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5670 tval.value (), who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5671 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5672 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5673 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5674 std::string tfmt = switch_to_g_format (elt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5676 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
5677
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5678 retval += do_printf_conv (os, tfmt.c_str (), nsa,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5679 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
5680 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5681 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5682
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5683 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
5684 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
5685 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5686 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
5687
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5688 // Insert "long" modifier.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5689 std::string tfmt = fmt;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5690 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
5691
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5692 retval += do_printf_conv (os, tfmt.c_str (), nsa, sa_1, sa_2,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5693 tval.value (), who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5694 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5695 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5696 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5697 std::string tfmt = switch_to_g_format (elt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5698
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5699 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
5700
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5701 retval += do_printf_conv (os, tfmt.c_str (), nsa,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5702 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
5703 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5704 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5705
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5706 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
5707 case 'g': case 'G':
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5708 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5709 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
5710
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5711 retval += do_printf_conv (os, fmt, nsa, sa_1, sa_2, dval, who);
9701
531280b07625 implement fskipl
Jaroslav Hajek <highegg@gmail.com>
parents: 9689
diff changeset
5712 }
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5713 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5714
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5715 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5716 // Note: error is member fcn from octave::base_stream, not ::error.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5717 // This error does not halt execution so "return ..." must exist.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5718 error ("%s: invalid format specifier", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5719 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5720 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5721 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5722 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5723
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5724 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5725 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5726
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5727 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5728 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
5729 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5730 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5731 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5732 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5733
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5734 octave_idx_type nconv = fmt_list.num_conversions ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5735
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5736 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5737
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5738 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5739 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5740 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5741 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5742 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5743
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5744 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
5745
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5746 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
5747
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5748 for (;;)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5749 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5750 octave_quit ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5751
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5752 if (! elt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5753 ::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
5754
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5755 // 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
5756 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
5757
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5758 int sa_1 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5759 int sa_2 = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5760
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5761 if (nsa > 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5762 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5763 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
5764
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5765 if (! val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5766 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5767 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5768 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5769 if (nsa > 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5770 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5771 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
5772
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5773 if (! val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5774 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5775 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5776 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5777 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5778
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5779 if (elt->type == '%')
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 os << "%";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5782 retval++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5783 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5784 else if (elt->args == 0 && elt->text)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5785 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5786 os << elt->text;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5787 retval += strlen (elt->text);
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 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
5790 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5791 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
5792
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5793 if (val_cache)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5794 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5795 if (val.is_string ())
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 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
5798
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5799 retval += do_printf_string (os, elt, nsa, sa_1,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5800 sa_2, sval, who);
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 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
5804 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5805 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5806 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5807 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5808 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5809 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5810 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5811 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
5812
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5813 if (val_cache)
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 if (! val.is_empty ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5816 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
5817 sa_2, val, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5818 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5819 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5820 break;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5823 if (! os)
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 error ("%s: write error", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5826 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5827 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5828
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5829 elt = fmt_list.next (nconv > 0 && ! val_cache.exhausted ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5830
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5831 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
5832 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5833 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5834 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5835
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5836 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5837 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5838
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5839 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5840 base_stream::printf (const std::string& fmt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5841 const octave_value_list& args,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5842 const std::string& who)
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 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
5845
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5846 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
5847 ::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
5848
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5849 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
5850 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5851
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5852 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5853 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
5854 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5855 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5856
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5857 std::ostream *osp = output_stream ();
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 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5860 invalid_operation (who, "writing");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5861 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5862 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5863 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5864
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5865 os << s;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5866
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5867 if (! os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5868 error ("%s: write error", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5869 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5870 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5871 // 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
5872 // 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
5873 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5874 // 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
5875 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5876 // 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
5877 os.flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5878
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5879 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5880 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5881 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5882 error ("%s: write error", who.c_str ());
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5886 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5887 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5888
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5889 // 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
5890
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5891 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5892 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
5893 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5894 err_num = fail ? -1 : 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5895
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5896 std::string tmp = errmsg;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5897
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5898 if (clear_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5899 clear ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5900
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5901 return tmp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5902 }
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 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5905 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
5906 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5907 // 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
5908 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
5909 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5910
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5911 stream::stream (base_stream *bs)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5912 : rep (bs)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5913 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5914 if (rep)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5915 rep->count = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5916 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5917
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5918 stream::~stream (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5919 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5920 if (rep && --rep->count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5921 delete rep;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5922 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5923
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5924 stream::stream (const stream& s)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5925 : rep (s.rep)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5926 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5927 if (rep)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5928 rep->count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5929 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5930
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5931 stream&
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5932 stream::operator = (const stream& s)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5933 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5934 if (rep != s.rep)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5935 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5936 if (rep && --rep->count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5937 delete rep;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5938
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5939 rep = s.rep;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5940
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5941 if (rep)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5942 rep->count++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5943 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5944
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5945 return *this;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5946 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5947
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5948 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5949 stream::flush (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5950 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5951 int retval = -1;
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 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5954 retval = rep->flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5955
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5956 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5957 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5958
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5959 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5960 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
5961 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5962 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5963
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5964 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5965 retval = rep->getl (max_len, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5966
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5967 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5968 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5969
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5970 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5971 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
5972 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5973 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5974 err = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5975
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5976 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5977
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5978 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5979
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5980 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
5981 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5982 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
5983
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5984 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
5985 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5986 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5987 ::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
5988 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5989 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5990
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5991 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
5992 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5995 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
5996 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5997 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5998
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
5999 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6000 retval = rep->gets (max_len, err, 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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6003 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6004
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6005 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6006 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
6007 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6008 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6009 err = false;
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 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6013 int max_len = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6014
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6015 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
6016 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6017 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
6018
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6019 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
6020 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6021 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6022 ::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
6023 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6024 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6025
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6026 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
6027 }
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 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6030 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
6031 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6032 off_t retval = -1;
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 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6035 retval = rep->skipl (count, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6037 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6038 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6039
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6040 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6041 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
6042 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6043 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6044 err = false;
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 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6047
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6048 int count = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6049
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6050 if (tc_count.is_defined ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6051 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6052 if (tc_count.is_scalar_type ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6053 && octave::math::isinf (tc_count.scalar_value ()))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6054 count = -1;
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 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
6058
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6059 if (conv_err || count < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6060 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6061 err = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6062 ::error ("%s: invalid number of lines specified", who.c_str ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6063 }
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6066
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6067 return skipl (count, err, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6068 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6069
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6070 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6071 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
6072 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6073 int status = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6074
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6075 if (stream_ok ())
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 clearerr ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6078
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6079 // Find current position so we can return to it if needed.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6080 off_t orig_pos = rep->tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6081
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6082 // Move to end of file. If successful, find the offset of the end.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6083 status = rep->seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6084
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6085 if (status == 0)
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 off_t eof_pos = rep->tell ();
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 if (origin == SEEK_CUR)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6090 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6091 // 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
6092 // 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
6093 // location.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6094 rep->seek (orig_pos, SEEK_SET);
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 // 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
6098 // existing file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6099 status = rep->seek (offset, origin);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6100
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6101 if (status == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6102 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6103 // Where are we after moving to desired position?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6104 off_t desired_pos = rep->tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6105
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6106 // 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
6107 // but we'll check anyway...
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6108 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
6109 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6110 // Seek outside bounds of file.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6111 // Failure should leave position unchanged.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6112 rep->seek (orig_pos, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6113
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6114 status = -1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6117 else
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 // 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
6120 // Move back to original position and return failure status.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6121 rep->seek (orig_pos, SEEK_SET);
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 status = -1;
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 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6126 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6128 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6129 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6130
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6131 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6132 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
6133 const octave_value& tc_origin)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6136
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6137 // 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
6138 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
6139 off_t xoffset = val.value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6140
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6141 int conv_err = 0;
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 int origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6144
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6145 if (tc_origin.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6146 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6147 std::string xorigin = tc_origin.string_value ("fseek: invalid value for origin");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6149 if (xorigin == "bof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6150 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6151 else if (xorigin == "cof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6152 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6153 else if (xorigin == "eof")
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6154 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6155 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6156 conv_err = -1;
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 else
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 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
6161
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6162 if (! conv_err)
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 (xorigin == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6165 origin = SEEK_SET;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6166 else if (xorigin == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6167 origin = SEEK_CUR;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6168 else if (xorigin == 1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6169 origin = SEEK_END;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6170 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6171 conv_err = -1;
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 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6176 ::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
6177
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6178 retval = seek (xoffset, origin);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6179
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6180 if (retval != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6181 // 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
6182 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
6183
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6184 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6187 off_t
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6188 stream::tell (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6189 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6190 off_t retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6191
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6192 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6193 retval = rep->tell ();
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6198 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6199 stream::rewind (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6200 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6201 return seek (0, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6202 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6203
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6204 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6205 stream::is_open (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6206 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6207 bool retval = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6208
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6209 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6210 retval = rep->is_open ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6211
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6212 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6213 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6214
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6215 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6216 stream::close (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6217 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6218 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6219 rep->close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6220 }
3340
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3337
diff changeset
6221 }
585a8809fd9b [project @ 1999-11-05 07:02:30 by jwe]
jwe
parents: 3337
diff changeset
6222
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6223 // FIXME: maybe these should be defined in lo-ieee.h?
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6224
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6225 template <typename T>
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6226 static inline bool
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6227 is_old_NA (T)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6228 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6229 return false;
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6230 }
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6231
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6232 template <>
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6233 inline bool
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6234 is_old_NA<double> (double val)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6235 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6236 return __lo_ieee_is_old_NA (val);
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6237 }
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6238
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6239 template <typename T>
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6240 static inline T
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6241 replace_old_NA (T val)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6242 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6243 return val;
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6244 }
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6245
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6246 template <>
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6247 inline double
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6248 replace_old_NA<double> (double val)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6249 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6250 return __lo_ieee_replace_old_NA (val);
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6251 }
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6252
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21129
diff changeset
6253 template <typename SRC_T, typename DST_T>
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6254 static octave_value
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6255 convert_and_copy (std::list<void *>& input_buf_list,
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6256 octave_idx_type input_buf_elts,
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6257 octave_idx_type elts_read,
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6258 octave_idx_type nr, octave_idx_type nc, bool swap,
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6259 bool do_float_fmt_conv, bool do_NA_conv,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6260 octave::mach_info::float_format from_flt_fmt)
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6261 {
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6262 typedef typename DST_T::element_type dst_elt_type;
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6263
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6264 DST_T conv (dim_vector (nr, nc));
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6265
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6266 dst_elt_type *conv_data = conv.fortran_vec ();
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6267
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6268 octave_idx_type j = 0;
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6269
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6270 for (std::list<void *>::const_iterator it = input_buf_list.begin ();
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6271 it != input_buf_list.end (); it++)
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6272 {
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6273 SRC_T *data = static_cast<SRC_T *> (*it);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6274
17463
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6275 if (swap || do_float_fmt_conv)
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6276 {
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6277 if (do_NA_conv)
17463
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6278 {
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6279 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6280 i++, j++)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6281 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6282 if (swap)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6283 swap_bytes<sizeof (SRC_T)> (&data[i]);
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6284 else if (do_float_fmt_conv)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6285 do_float_format_conversion (&data[i], sizeof (SRC_T),
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6286 1, from_flt_fmt,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6287 octave::mach_info::native_float_format ());
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6288
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6289 dst_elt_type tmp (data[i]);
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6290
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6291 if (is_old_NA (tmp))
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6292 tmp = replace_old_NA (tmp);
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6293
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6294 conv_data[j] = tmp;
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6295 }
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6296 }
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6297 else
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6298 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6299 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6300 i++, j++)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6301 {
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6302 if (swap)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6303 swap_bytes<sizeof (SRC_T)> (&data[i]);
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6304 else if (do_float_fmt_conv)
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6305 do_float_format_conversion (&data[i], sizeof (SRC_T),
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6306 1, from_flt_fmt,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6307 octave::mach_info::native_float_format ());
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6308
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6309 conv_data[j] = data[i];
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6310 }
17463
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6311 }
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6312 }
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6313 else
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6314 {
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6315 if (do_NA_conv)
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6316 {
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6317 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6318 i++, j++)
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6319 {
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6320 dst_elt_type tmp (data[i]);
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6321
21335
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6322 if (is_old_NA (tmp))
e078d2208d86 avoid warnings about implicit float to booll conversions
John W. Eaton <jwe@octave.org>
parents: 21301
diff changeset
6323 tmp = replace_old_NA (tmp);
17463
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6324
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6325 conv_data[j] = tmp;
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6326 }
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6327 }
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6328 else
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6329 {
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6330 for (octave_idx_type i = 0; i < input_buf_elts && j < elts_read;
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6331 i++, j++)
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6332 conv_data[j] = data[i];
cc13924a4266 snapshot 3.7.7
John W. Eaton <jwe@octave.org>
parents: 17453
diff changeset
6333 }
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6334 }
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6335
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6336 delete [] data;
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6337 }
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6338
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6339 input_buf_list.clear ();
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6340
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6341 for (octave_idx_type i = elts_read; i < nr * nc; i++)
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6342 conv_data[i] = dst_elt_type (0);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6343
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6344 return conv;
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6345 }
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6346
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6347 typedef octave_value (*conv_fptr)
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6348 (std::list<void *>& input_buf_list, octave_idx_type input_buf_elts,
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6349 octave_idx_type elts_read, octave_idx_type nr, octave_idx_type nc,
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6350 bool swap, bool do_float_fmt_conv, bool do_NA_conv,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6351 octave::mach_info::float_format from_flt_fmt);
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6352
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6353 #define TABLE_ELT(T, U, V, W) \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6354 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
6355
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6356 #define FILL_TABLE_ROW(T, V) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6357 TABLE_ELT (T, dt_int8, V, int8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6358 TABLE_ELT (T, dt_uint8, V, uint8NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6359 TABLE_ELT (T, dt_int16, V, int16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6360 TABLE_ELT (T, dt_uint16, V, uint16NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6361 TABLE_ELT (T, dt_int32, V, int32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6362 TABLE_ELT (T, dt_uint32, V, uint32NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6363 TABLE_ELT (T, dt_int64, V, int64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6364 TABLE_ELT (T, dt_uint64, V, uint64NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6365 TABLE_ELT (T, dt_single, V, FloatNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6366 TABLE_ELT (T, dt_double, V, NDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6367 TABLE_ELT (T, dt_char, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6368 TABLE_ELT (T, dt_schar, V, charNDArray); \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6369 TABLE_ELT (T, dt_uchar, V, charNDArray); \
17453
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6370 TABLE_ELT (T, dt_logical, V, boolNDArray);
669ad11f282d improve efficiency of fread
John W. Eaton <jwe@octave.org>
parents: 17416
diff changeset
6371
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6372 namespace octave
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
6373 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6374 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6375 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
6376 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
6377 octave_idx_type elts_read,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6378 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
6379 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
6380 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
6381 octave::mach_info::float_format ffmt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6382 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6383 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6384
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6385 static bool initialized = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6386
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6387 // 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
6388
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6389 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
6390
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6391 if (! initialized)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6392 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6393 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
6394 for (int j = 0; j < 14; j++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6395 conv_fptr_table[i][j] = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6396
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6397 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
6398 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
6399 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
6400 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
6401 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
6402 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
6403 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
6404 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
6405 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
6406 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
6407 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
6408 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
6409 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
6410 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
6411
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6412 initialized = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6413 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6414
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6415 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6416
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6417 if (ffmt == octave::mach_info::flt_fmt_unknown)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6418 ffmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6419
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6420 if (octave::mach_info::words_big_endian ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6421 swap = (ffmt == octave::mach_info::flt_fmt_ieee_little_endian);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6422 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6423 swap = (ffmt == octave::mach_info::flt_fmt_ieee_big_endian);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6424
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6425 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
6426 || 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
6427 && ffmt != float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6428
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6429 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
6430
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6431 switch (output_type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6432 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6433 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
6434 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
6435 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
6436 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
6437 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
6438 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
6439 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
6440 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
6441 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
6442 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
6443 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
6444 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
6445 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
6446 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
6447 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6448 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
6449
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6450 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
6451 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
6452 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6453 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6454
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6455 default:
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6456 ::error ("read: invalid type specification");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6457 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6458
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6459 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6460 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6461
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6462 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6463 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
6464 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
6465 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
6466 octave_idx_type skip, octave::mach_info::float_format ffmt,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6467 octave_idx_type& count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6468 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6469 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6470
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6471 octave_idx_type nr = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6472 octave_idx_type nc = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6473
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6474 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
6475
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6476 if (! stream_ok ())
22996
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6477 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6478
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6479 // FIXME: we may eventually want to make this extensible.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6480
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6481 // FIXME: we need a better way to ensure that this
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6482 // numbering stays consistent with the order of the elements in the
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6483 // data_type enum in the oct_data_conv class.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6484
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6485 // Expose this in a future version?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6486 size_t char_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6487
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6488 ptrdiff_t tmp_count = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6489
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6490 try
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6491 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6492 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
6493 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6494 catch (const octave::execution_exception&)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6495 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6496 invalid_operation ("fread", "reading");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6497
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6498 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6499 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6500
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6501 if (one_elt_size_spec)
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 // 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
6504
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6505 // 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
6506 // number of rows.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6507
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6508 // 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
6509 // 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
6510
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6511 if (nr == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6512 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6513 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6514 nc = 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6515 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6516 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6517 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6518 // 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
6519 // specification and one is nonzero.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6520
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6521 // 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
6522 // should be.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6523
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6524 if (nr == 0 || nc == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6525 nr = nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6526 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6527
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6528 // FIXME: Ensure that this does not overflow.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6529 // Maybe try comparing nr * nc computed in double with
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6530 // 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
6531 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
6532
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6533 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
6534
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6535 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
6536
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6537 if (skip == 0)
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 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6540 input_buf_elts = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6541 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6542 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
6543 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6544 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6545 input_buf_elts = block_size;
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 octave_idx_type input_elt_size
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6548 = oct_data_conv::data_type_size (input_type);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6549
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6550 ptrdiff_t input_buf_size
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6551 = static_cast<ptrdiff_t> (input_buf_elts) * input_elt_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6552
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6553 assert (input_buf_size >= 0);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6554
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6555 // Must also work and return correct type object
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6556 // for 0 elements to read.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6557 std::istream *isp = input_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6558
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6559 if (! isp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6560 error ("fread: invalid input stream");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6561 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6562 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6563 std::istream& is = *isp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6564
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6565 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
6566
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6567 while (is && ! is.eof ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6568 && (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
6569 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6570 if (! read_to_eof)
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 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
6573
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6574 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
6575 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
6576 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6577
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6578 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
6579
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6580 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
6581
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6582 size_t gcount = is.gcount ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6583
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6584 char_count += gcount;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6585
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6586 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
6587
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6588 tmp_count += nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6589
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6590 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
6591
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6592 if (is && skip != 0 && nel == block_size)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6593 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6594 // Seek to skip.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6595 // If skip would move past EOF, position at EOF.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6596
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6597 off_t orig_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6598
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6599 seek (0, SEEK_END);
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 off_t eof_pos = tell ();
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 // Is it possible for this to fail to return us to
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6604 // the original position?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6605 seek (orig_pos, SEEK_SET);
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 off_t remaining = eof_pos - orig_pos;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6608
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6609 if (remaining < skip)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6610 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6611 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6612 seek (skip, SEEK_CUR);
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 (! is)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6615 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6616 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6617 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6618
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6619 if (read_to_eof)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6620 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6621 if (nc < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6622 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6623 nc = tmp_count / nr;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6624
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6625 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6626 nc++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6627 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6628 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6629 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6630 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6631 else if (tmp_count == 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6632 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6633 nr = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6634 nc = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6635 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6636 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
6637 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6638 if (tmp_count % nr != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6639 nc = tmp_count / nr + 1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6640 else
22996
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6641 nc = tmp_count / nr;
36df0e0072a5 distinguish elements vs. bytes in fread (bug #49699)
John W. Eaton <jwe@octave.org>
parents: 22407
diff changeset
6642
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6643 if (tmp_count < nr)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6644 nr = tmp_count;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6645 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6646
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6647 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
6648 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
6649 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6650 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
6651
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6652 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
6653 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
6654 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6655
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6656 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6657 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6658
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6659 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6660 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
6661 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
6662 octave_idx_type skip, octave::mach_info::float_format flt_fmt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6663 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6664 octave_idx_type retval = -1;
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 (! stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6667 invalid_operation ("fwrite", "writing");
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 if (flt_fmt == octave::mach_info::flt_fmt_unknown)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6671 flt_fmt = float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6672
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6673 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
6674 skip, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6675
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6676 if (status < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6677 error ("fwrite: write error");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6678 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6679 retval = status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6680 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6681
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6682 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6683 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
6684 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
6685
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21129
diff changeset
6686 template <typename T, typename V>
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6687 static void
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6688 convert_chars (const void *data, void *conv_data, octave_idx_type n_elts)
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6689 {
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6690 const T *tt_data = static_cast<const T *> (data);
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6691
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6692 V *vt_data = static_cast<V *> (conv_data);
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6693
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6694 for (octave_idx_type i = 0; i < n_elts; i++)
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6695 vt_data[i] = tt_data[i];
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6696 }
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6697
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21129
diff changeset
6698 template <typename T, typename V>
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6699 static void
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6700 convert_ints (const T *data, void *conv_data, octave_idx_type n_elts,
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6701 bool swap)
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6702 {
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6703 typedef typename V::val_type val_type;
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6704
19739
3fa35defe495 Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19729
diff changeset
6705 val_type *vt_data = static_cast<val_type *> (conv_data);
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6706
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6707 for (octave_idx_type i = 0; i < n_elts; i++)
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6708 {
20931
69dcb58b9ada Clean up use of error() versus ::error() in stream-based code.
Rik <rik@octave.org>
parents: 20917
diff changeset
6709 // Yes, we want saturation semantics when converting to an integer type.
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6710 V val (data[i]);
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6711
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6712 vt_data[i] = val.value ();
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6713
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6714 if (swap)
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6715 swap_bytes<sizeof (val_type)> (&vt_data[i]);
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6716 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6717 }
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6718
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21129
diff changeset
6719 template <typename T>
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6720 class ultimate_element_type
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6721 {
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6722 public:
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6723 typedef T type;
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6724 };
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6725
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21129
diff changeset
6726 template <typename T>
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6727 class ultimate_element_type<octave_int<T> >
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6728 {
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6729 public:
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6730 typedef T type;
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6731 };
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6732
21139
538b57866b90 consistently use "typename" intead of "class" in template declarations
John W. Eaton <jwe@octave.org>
parents: 21129
diff changeset
6733 template <typename T>
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6734 static bool
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6735 convert_data (const T *data, void *conv_data, octave_idx_type n_elts,
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6736 oct_data_conv::data_type output_type,
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6737 octave::mach_info::float_format flt_fmt)
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6738 {
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6739 bool retval = true;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6740
21776
1e81dd035639 Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents: 21296
diff changeset
6741 bool swap = false;
1e81dd035639 Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents: 21296
diff changeset
6742
21777
d6826b38b29c maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
parents: 21751 21776
diff changeset
6743 if (octave::mach_info::words_big_endian ())
d6826b38b29c maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
parents: 21751 21776
diff changeset
6744 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_little_endian);
21776
1e81dd035639 Write integers with correct byte order on big-endian systems (bug #47434)
Mike Miller <mtmiller@octave.org>
parents: 21296
diff changeset
6745 else
21777
d6826b38b29c maint: Periodic merge of stable to default.
Mike Miller <mtmiller@octave.org>
parents: 21751 21776
diff changeset
6746 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_big_endian);
21739
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6747
c4ab2e54f100 use namespace for oct_mach_info class
John W. Eaton <jwe@octave.org>
parents: 21724
diff changeset
6748 bool do_float_conversion = flt_fmt != octave::mach_info::float_format ();
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6749
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6750 typedef typename ultimate_element_type<T>::type ult_elt_type;
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6751
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6752 switch (output_type)
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6753 {
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6754 case oct_data_conv::dt_char:
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6755 convert_chars<ult_elt_type, char> (data, conv_data, n_elts);
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6756 break;
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6757
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6758 case oct_data_conv::dt_schar:
18616
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6759 convert_chars<ult_elt_type, signed char> (data, conv_data, n_elts);
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6760 break;
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6761
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6762 case oct_data_conv::dt_uchar:
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6763 convert_chars<ult_elt_type, unsigned char> (data, conv_data, n_elts);
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6764 break;
aa861a98d84d fwrite: don't convert to octave_int for char output types
John W. Eaton <jwe@octave.org>
parents: 18518
diff changeset
6765
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6766 case oct_data_conv::dt_int8:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6767 convert_ints<T, octave_int8> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6768 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6769
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6770 case oct_data_conv::dt_uint8:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6771 convert_ints<T, octave_uint8> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6772 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6773
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6774 case oct_data_conv::dt_int16:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6775 convert_ints<T, octave_int16> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6776 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6777
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6778 case oct_data_conv::dt_uint16:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6779 convert_ints<T, octave_uint16> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6780 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6781
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6782 case oct_data_conv::dt_int32:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6783 convert_ints<T, octave_int32> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6784 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6785
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6786 case oct_data_conv::dt_uint32:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6787 convert_ints<T, octave_uint32> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6788 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6789
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6790 case oct_data_conv::dt_int64:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6791 convert_ints<T, octave_int64> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6792 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6793
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6794 case oct_data_conv::dt_uint64:
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6795 convert_ints<T, octave_uint64> (data, conv_data, n_elts, swap);
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6796 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6797
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6798 case oct_data_conv::dt_single:
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6799 {
19739
3fa35defe495 Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19729
diff changeset
6800 float *vt_data = static_cast<float *> (conv_data);
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6801
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6802 for (octave_idx_type i = 0; i < n_elts; i++)
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6803 {
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6804 vt_data[i] = data[i];
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6805
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6806 if (do_float_conversion)
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6807 do_float_format_conversion (&vt_data[i], 1, flt_fmt);
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6808 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6809 }
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6810 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6811
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6812 case oct_data_conv::dt_double:
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6813 {
19739
3fa35defe495 Adjust spacing of static_cast<> calls to follow Octave coding conventions.
Rik <rik@octave.org>
parents: 19729
diff changeset
6814 double *vt_data = static_cast<double *> (conv_data);
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6815
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6816 for (octave_idx_type i = 0; i < n_elts; i++)
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6817 {
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6818 vt_data[i] = data[i];
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6819
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6820 if (do_float_conversion)
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6821 do_double_format_conversion (&vt_data[i], 1, flt_fmt);
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6822 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6823 }
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6824 break;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6825
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6826 default:
20938
aac911d8847b choose correct error function in stream classes
John W. Eaton <jwe@octave.org>
parents: 20931
diff changeset
6827 ::error ("write: invalid type specification");
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6828 }
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6829
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6830 return retval;
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6831 }
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6832
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6833 namespace octave
17416
6690dba6078a improve efficiency of fwrite
John W. Eaton <jwe@octave.org>
parents: 17415
diff changeset
6834 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6835 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6836 stream::write_bytes (const void *data, size_t nbytes)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6837 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6838 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6839
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6840 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6841
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6842 if (osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6843 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6844 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6845
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6846 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6847 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6848 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
6849
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6850 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6851 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6852 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6853 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6854
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6855 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6856 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6857
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6858 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6859 stream::skip_bytes (size_t skip)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6860 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6861 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6862
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6863 std::ostream *osp = output_stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6864
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6865 if (! osp)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6866 return false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6867
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6868 std::ostream& os = *osp;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6869
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6870 // 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
6871 // Otherwise, write NUL to skip.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6872 off_t orig_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6873
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6874 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6875
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6876 off_t eof_pos = tell ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6877
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6878 // 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
6879 seek (orig_pos, SEEK_SET);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6880
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6881 size_t remaining = eof_pos - orig_pos;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6882
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6883 if (remaining < skip)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6884 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6885 seek (0, SEEK_END);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6886
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6887 // 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
6888 unsigned char zero = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6889 for (size_t j = 0; j < skip - remaining; j++)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6890 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
6891 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6892 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6893 seek (skip, SEEK_CUR);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6894
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6895 if (os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6896 status = true;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6897
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6898 return status;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6899 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6900
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6901 template <typename T>
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6902 octave_idx_type
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6903 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
6904 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
6905 octave_idx_type skip,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6906 octave::mach_info::float_format flt_fmt)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6907 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6908 bool swap = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6909
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6910 if (octave::mach_info::words_big_endian ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6911 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_little_endian);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6912 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6913 swap = (flt_fmt == octave::mach_info::flt_fmt_ieee_big_endian);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6914
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6915 bool do_data_conversion = (swap || ! is_equivalent_type<T> (output_type)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6916 || flt_fmt != octave::mach_info::float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6917
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6918 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
6919
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6920 octave_idx_type chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6921
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6922 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6923 chunk_size = block_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6924 else if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6925 chunk_size = 1024 * 1024;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6926 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6927 chunk_size = nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6928
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6929 octave_idx_type i = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6930
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6931 const T *pdata = data.data ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6932
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6933 while (i < nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6934 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6935 if (skip != 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6936 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6937 if (! skip_bytes (skip))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6938 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6939 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6940
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6941 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
6942
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6943 if (chunk_size > remaining_nel)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6944 chunk_size = remaining_nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6945
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6946 bool status = false;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6947
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6948 if (do_data_conversion)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6949 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6950 size_t output_size
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6951 = 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
6952
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6953 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
6954
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6955 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
6956 output_type, flt_fmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6957
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6958 if (status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6959 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
6960 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6961 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6962 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
6963
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6964 if (! status)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6965 return -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6966
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6967 i += chunk_size;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6968 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6969
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6970 return nel;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6971 }
4944
44046bbaa52c [project @ 2004-08-31 05:30:46 by jwe]
jwe
parents: 4927
diff changeset
6972
22197
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6973 #define INSTANTIATE_WRITE(T) \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6974 template \
e43d83253e28 refill multi-line macro definitions
John W. Eaton <jwe@octave.org>
parents: 22094
diff changeset
6975 octave_idx_type \
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6976 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
6977 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
6978 octave_idx_type skip, \
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6979 octave::mach_info::float_format flt_fmt)
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 INSTANTIATE_WRITE (octave_int8);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6982 INSTANTIATE_WRITE (octave_uint8);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6983 INSTANTIATE_WRITE (octave_int16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6984 INSTANTIATE_WRITE (octave_uint16);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6985 INSTANTIATE_WRITE (octave_int32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6986 INSTANTIATE_WRITE (octave_uint32);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6987 INSTANTIATE_WRITE (octave_int64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6988 INSTANTIATE_WRITE (octave_uint64);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6989 INSTANTIATE_WRITE (int8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6990 INSTANTIATE_WRITE (uint8_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6991 INSTANTIATE_WRITE (int16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6992 INSTANTIATE_WRITE (uint16_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6993 INSTANTIATE_WRITE (int32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6994 INSTANTIATE_WRITE (uint32_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6995 INSTANTIATE_WRITE (int64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6996 INSTANTIATE_WRITE (uint64_t);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
6997 INSTANTIATE_WRITE (bool);
21354
06d15e4e611a move public data type macros to octave-config.h
John W. Eaton <jwe@octave.org>
parents: 21335
diff changeset
6998 #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
6999 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
7000 #endif
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7001 INSTANTIATE_WRITE (float);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7002 INSTANTIATE_WRITE (double);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7003
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7004 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7005 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
7006 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
7007 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7008 octave_value retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7009
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7010 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7011 retval = rep->scanf (fmt, size, count, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7012
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7013 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7016 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7017 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
7018 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
7019 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7020 octave_value retval = Matrix ();
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 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7023 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7024 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
7025
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7026 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7027 sfmt = do_string_escapes (sfmt);
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 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
7030 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7031 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7032 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7033 // 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
7034 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
7035 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7036
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7037 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7038 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7039
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7040 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7041 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
7042 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7043 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7044
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7045 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7046 retval = rep->oscanf (fmt, who);
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 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7051 octave_value_list
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7052 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
7053 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7054 octave_value_list retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7055
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7056 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7057 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7058 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
7059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7060 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7061 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7062
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7063 retval = oscanf (sfmt, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7066 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7067 // 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
7068 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
7069 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7072 }
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 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7075 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
7076 const octave_value_list& options,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7077 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
7078 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7079 return (stream_ok ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7080 ? rep->do_textscan (fmt, ntimes, options, who, count)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7081 : octave_value ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7082 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7083
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7084 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7085 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
7086 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7087 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7088 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7089
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7090 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7091 retval = rep->printf (fmt, args, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7092
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7093 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7094 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7095
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7096 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7097 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
7098 const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7099 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7100 int retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7101
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7102 if (fmt.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7103 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7104 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
7105
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7106 if (fmt.is_sq_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7107 sfmt = do_string_escapes (sfmt);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7108
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7109 retval = printf (sfmt, args, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7112 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7113 // 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
7114 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
7115 }
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 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7118 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7119
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7120 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7121 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
7122 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7123 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7124
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7125 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7126 retval = rep->puts (s, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7127
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7128 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7129 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7130
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7131 // 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
7132
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7133 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7134 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
7135 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7136 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7137
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7138 if (tc_s.is_string ())
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 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
7141 retval = puts (s, who);
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 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7144 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7145 // 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
7146 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
7147 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7148
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7149 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7150 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7151
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7152 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7153 stream::eof (void) const
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 int retval = -1;
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 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7158 retval = rep->eof ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7159
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7160 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7161 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7162
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7163 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7164 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
7165 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7166 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
7167
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7168 if (stream_ok (false))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7169 retval = rep->error (clear, err_num);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7170
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7171 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7172 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7173
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7174 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7175 stream::name (void) const
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 std::string retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7178
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7179 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7180 retval = rep->name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7181
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7182 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7183 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7184
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7185 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7186 stream::mode (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7187 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7188 int retval = 0;
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 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7191 retval = rep->mode ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7192
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7193 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7196 octave::mach_info::float_format
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7197 stream::float_format (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7198 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7199 octave::mach_info::float_format retval = octave::mach_info::flt_fmt_unknown;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7200
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7201 if (stream_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7202 retval = rep->float_format ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7203
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7204 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7205 }
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 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7208 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
7209 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7210 std::string retval = "???";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7211 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
7212
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7213 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
7214 retval = "r";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7215 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
7216 || 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
7217 retval = "w";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7218 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
7219 retval = "a";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7220 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
7221 retval = "r+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7222 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
7223 retval = "w+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7224 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
7225 retval = "a+";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7226 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
7227 retval = "rb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7228 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
7229 || 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
7230 retval = "wb";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7231 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
7232 retval = "ab";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7233 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
7234 retval = "r+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7235 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
7236 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7237 retval = "w+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7238 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
7239 | std::ios::binary))
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7240 retval = "a+b";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7241
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7242 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7243 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7244
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7245 stream_list *stream_list::instance = 0;
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 bool
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7248 stream_list::instance_ok (void)
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 bool retval = true;
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 if (! instance)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7253 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7254 instance = new stream_list ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7255
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7256 if (instance)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7257 singleton_cleanup_list::add (cleanup_instance);
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7260 if (! instance)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7261 ::error ("unable to create stream list object!");
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7262
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7263 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7264 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7265
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7266 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7267 stream_list::insert (stream& os)
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 return (instance_ok ()) ? instance->do_insert (os) : -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7270 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7271
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7272 stream
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7273 stream_list::lookup (int fid, const std::string& who)
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 return (instance_ok ()) ? instance->do_lookup (fid, who) : stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7276 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7277
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7278 stream
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7279 stream_list::lookup (const octave_value& fid, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7280 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7281 return (instance_ok ()) ? instance->do_lookup (fid, who) : stream ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7282 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7283
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7284 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7285 stream_list::remove (int fid, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7286 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7287 return (instance_ok ()) ? instance->do_remove (fid, who) : -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7290 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7291 stream_list::remove (const octave_value& fid, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7292 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7293 return (instance_ok ()) ? instance->do_remove (fid, who) : -1;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7296 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7297 stream_list::clear (bool flush)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7298 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7299 if (instance)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7300 instance->do_clear (flush);
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7303 string_vector
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7304 stream_list::get_info (int fid)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7305 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7306 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector ();
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7309 string_vector
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7310 stream_list::get_info (const octave_value& fid)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7311 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7312 return (instance_ok ()) ? instance->do_get_info (fid) : string_vector ();
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7315 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7316 stream_list::list_open_files (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7317 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7318 return (instance_ok ()) ? instance->do_list_open_files () : "";
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7321 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7322 stream_list::open_file_numbers (void)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7323 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7324 return (instance_ok ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7325 ? instance->do_open_file_numbers () : octave_value ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7326 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7327
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7328 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7329 stream_list::get_file_number (const octave_value& fid)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7330 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7331 return (instance_ok ()) ? instance->do_get_file_number (fid) : -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7332 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7333
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7334 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7335 stream_list::do_insert (stream& os)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7336 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7337 // 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
7338
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7339 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
7340
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7341 if (stream_number == -1)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7342 return stream_number;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7343
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7344 // Should we test for
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7345 //
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7346 // (list.find (stream_number) != list.end ()
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7347 // && list[stream_number].is_open ())
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 // 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
7350 // 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
7351 // 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
7352 // 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
7353 // 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
7354 // 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
7355 // before.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7356
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7357 if (list.size () >= list.max_size ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7358 ::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
7359
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7360 list[stream_number] = os;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7361
6757
c3cd7d14fc5e [project @ 2007-06-25 19:06:42 by jwe]
jwe
parents: 6708
diff changeset
7362 return stream_number;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7363 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7364 }
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7365
21040
3e7cfee5f786 maint: Rename attributes GCC_ATTR_XXX to OCTAVE_XXX.
Rik <rik@octave.org>
parents: 21029
diff changeset
7366 OCTAVE_NORETURN static
21029
e3b3bb522d62 maint: Move GCC_ attributes to start of declaration for future compatibility.
Rik <rik@octave.org>
parents: 21017
diff changeset
7367 void
21102
dfcb9d74b253 Rename local gripe_XXX functions to err_XXX or warn_XXX.
Rik <rik@octave.org>
parents: 21100
diff changeset
7368 err_invalid_file_id (int fid, const std::string& who)
3341
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7369 {
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7370 if (who.empty ())
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7371 ::error ("invalid stream number = %d", fid);
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7372 else
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7373 ::error ("%s: invalid stream number = %d", who.c_str (), fid);
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7374 }
14cfc9475fe4 [project @ 1999-11-05 08:11:58 by jwe]
jwe
parents: 3340
diff changeset
7375
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7376 namespace octave
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7377 {
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7378 stream
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7379 stream_list::do_lookup (int fid, const std::string& who) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7380 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7381 stream retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7382
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7383 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7384 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
7385
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7386 if (lookup_cache != list.end () && lookup_cache->first == fid)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7387 retval = lookup_cache->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7388 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7389 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7390 ostrl_map::const_iterator iter = list.find (fid);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7391
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7392 if (iter == list.end ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7393 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
7394
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7395 retval = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7396 lookup_cache = iter;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7397 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7398
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7399 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7400 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7401
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7402 stream
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7403 stream_list::do_lookup (const octave_value& fid,
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7404 const std::string& who) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7405 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7406 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
7407
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7408 return do_lookup (i, who);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7409 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7410
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7411 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7412 stream_list::do_remove (int fid, const std::string& who)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7413 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7414 // 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
7415 if (fid < 3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7416 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
7417
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7418 ostrl_map::iterator iter = list.find (fid);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7419
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7420 if (iter == list.end ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7421 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
7422
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7423 stream os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7424 list.erase (iter);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7425 lookup_cache = list.end ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7426
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7427 // FIXME: is this check redundant?
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7428 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7429 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
7430
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7431 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7432
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7433 return 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7434 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7435
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7436 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7437 stream_list::do_remove (const octave_value& fid, const std::string& who)
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 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7440
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7441 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
7442 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7443 do_clear (false);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7444
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7445 retval = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7446 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7447 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7448 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7449 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
7450
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7451 retval = do_remove (i, who);
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
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7454 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7455 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7456
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7457 void
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7458 stream_list::do_clear (bool flush)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7459 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7460 if (flush)
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 // Flush stdout and stderr.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7463 list[1].flush ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7464 list[2].flush ();
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7467 for (ostrl_map::iterator iter = list.begin (); iter != list.end (); )
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7468 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7469 int fid = iter->first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7470 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
7471 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7472 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7473 continue;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7474 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7475
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7476 stream os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7477
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7478 std::string name = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7479 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
7480
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7481 // 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
7482 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
7483 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7484 // 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
7485 iter++;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7486 continue;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7487 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7488
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7489 // Normal file handle. Close and delete from list.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7490 if (os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7491 os.close ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7492
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7493 list.erase (iter++);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7494 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7495
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7496 lookup_cache = list.end ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7497 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7498
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7499 string_vector
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7500 stream_list::do_get_info (int fid) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7501 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7502 string_vector retval (3);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7503
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7504 if (fid < 0)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7505 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7506
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7507 stream os;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7508 if (lookup_cache != list.end () && lookup_cache->first == fid)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7509 os = lookup_cache->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7510 else
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 ostrl_map::const_iterator iter = list.find (fid);
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7513
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7514 if (iter == list.end ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7515 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7516
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7517 os = iter->second;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7518 lookup_cache = iter;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7519 }
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 if (! os.is_valid ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7522 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7523
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7524 retval(0) = os.name ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7525 retval(1) = 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
7526 retval(2) = octave::mach_info::float_format_as_string (os.float_format ());
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7527
22837
b125351d4243 Return null "" status when querying a bad FID with fopen (bug #49695).
Rik <rik@octave.org>
parents: 22812
diff changeset
7528 return retval;
23059
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7529 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7530
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7531 string_vector
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7532 stream_list::do_get_info (const octave_value& fid) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7533 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7534 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7535
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7536 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
7537
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7538 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7539 ::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
7540
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7541 return do_get_info (int_fid);
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7544 std::string
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7545 stream_list::do_list_open_files (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7546 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7547 std::ostringstream buf;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7548
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7549 buf << "\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7550 << " number mode arch name\n"
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7551 << " ------ ---- ---- ----\n";
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 for (const auto& fid_strm : list)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7554 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7555 stream os = fid_strm.second;
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 buf << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7558 << std::setiosflags (std::ios::right)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7559 << std::setw (4) << fid_strm.first << " "
19123
c8f03ccdc9ee Align columns for freport() output.
Rik <rik@octave.org>
parents: 18676
diff changeset
7560 // 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
7561 << std::resetiosflags (std::ios::adjustfield)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7562 << std::setiosflags (std::ios::left)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7563 << std::setw (3)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7564 << 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
7565 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7566 << std::setw (9)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7567 << octave::mach_info::float_format_as_string (os.float_format ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7568 << " "
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7569 << os.name () << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7570 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7571
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7572 buf << "\n";
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7573
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7574 return buf.str ();
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7575 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7576
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7577 octave_value
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7578 stream_list::do_open_file_numbers (void) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7579 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7580 Matrix retval (1, list.size (), 0.0);
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 int num_open = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7583
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7584 for (const auto& fid_strm : list)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7585 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7586 // Skip stdin, stdout, and stderr.
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7587 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
7588 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
7589 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7590
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7591 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
7592
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7593 return retval;
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
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7596 int
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7597 stream_list::do_get_file_number (const octave_value& fid) const
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7598 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7599 int retval = -1;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7600
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7601 if (fid.is_string ())
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7602 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7603 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
7604
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7605 for (const auto& fid_strm : list)
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 // 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
7608 if (fid_strm.first > 2)
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 stream os = fid_strm.second;
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 if (os && os.name () == nm)
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 retval = fid_strm.first;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7615 break;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7616 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7617 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7618 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7619 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7620 else
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7621 {
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7622 int conv_err = 0;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7623
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7624 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
7625
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7626 if (conv_err)
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7627 ::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
7628
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7629 retval = int_fid;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7630 }
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7631
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7632 return retval;
b98ebcd7f11c move some octave stream classes into octave namespace
John W. Eaton <jwe@octave.org>
parents: 22997
diff changeset
7633 }
2117
b240b2fce8ed [project @ 1996-05-10 07:20:36 by jwe]
jwe
parents:
diff changeset
7634 }