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maint: update Octave Project Developers copyright for the new year
author John W. Eaton <jwe@octave.org>
date Fri, 22 Dec 2023 12:08:17 -0500
parents 597f3ee61a48
children
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1 ////////////////////////////////////////////////////////////////////////
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2 //
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3 // Copyright (C) 1996-2024 The Octave Project Developers
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4 //
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5 // See the file COPYRIGHT.md in the top-level directory of this
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6 // distribution or <https://octave.org/copyright/>.
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7 //
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8 // This file is part of Octave.
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9 //
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10 // Octave is free software: you can redistribute it and/or modify it
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11 // under the terms of the GNU General Public License as published by
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12 // the Free Software Foundation, either version 3 of the License, or
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13 // (at your option) any later version.
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14 //
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15 // Octave is distributed in the hope that it will be useful, but
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 // GNU General Public License for more details.
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19 //
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20 // You should have received a copy of the GNU General Public License
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21 // along with Octave; see the file COPYING. If not, see
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22 // <https://www.gnu.org/licenses/>.
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23 //
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24 ////////////////////////////////////////////////////////////////////////
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25
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26 #if defined (HAVE_CONFIG_H)
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27 # include "config.h"
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28 #endif
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29
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30 #include <istream>
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31 #include <ostream>
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32 #include <string>
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33
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34 #include "byte-swap.h"
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35 #include "data-conv.h"
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36 #include "file-ops.h"
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37 #include "glob-match.h"
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38 #include "lo-mappers.h"
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39 #include "mach-info.h"
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40 #include "oct-env.h"
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41 #include "oct-locbuf.h"
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42 #include "oct-time.h"
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43
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44 #include "defun.h"
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45 #include "error.h"
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46 #include "errwarn.h"
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47 #include "interpreter.h"
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48 #include "interpreter-private.h"
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49 #include "load-save.h"
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50 #include "ls-oct-binary.h"
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51 #include "ls-utils.h"
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52 #include "ov-cell.h"
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53 #include "ov.h"
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54 #include "pager.h"
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55 #include "sysdep.h"
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56 #include "utils.h"
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57 #include "variables.h"
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58 #include "version.h"
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59
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60 static bool
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61 load_inline_fcn (std::istream& is, bool swap, octave::mach_info::float_format,
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62 octave_value& retval)
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63 {
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64 int32_t nargs;
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65 if (! is.read (reinterpret_cast<char *> (&nargs), 4))
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66 return false;
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67 if (swap)
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68 swap_bytes<4> (&nargs);
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69
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70 if (nargs < 1)
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71 return false;
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72 else
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73 {
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74 int32_t tmp;
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75 octave_value_list args (nargs+1);
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76 for (int i = 0; i < nargs; i++)
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77 {
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78 if (! is.read (reinterpret_cast<char *> (&tmp), 4))
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79 return false;
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80 if (swap)
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81 swap_bytes<4> (&tmp);
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82
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83 OCTAVE_LOCAL_BUFFER (char, ctmp, tmp+1);
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84 is.read (ctmp, tmp);
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85 args(i+1) = std::string (ctmp);
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86
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87 if (! is)
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88 return false;
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89 }
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90
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91 if (! is.read (reinterpret_cast<char *> (&tmp), 4))
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92 return false;
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93 if (swap)
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94 swap_bytes<4> (&tmp);
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95
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96 OCTAVE_LOCAL_BUFFER (char, ctmp1, tmp+1);
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97 is.read (ctmp1, tmp);
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98 // NAME is obsolete and unused.
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99 // std::string name (ctmp1);
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100
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101 if (! is)
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102 return false;
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103
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104 if (! is.read (reinterpret_cast<char *> (&tmp), 4))
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105 return false;
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106 if (swap)
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107 swap_bytes<4> (&tmp);
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108
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109 OCTAVE_LOCAL_BUFFER (char, ctmp2, tmp+1);
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110 is.read (ctmp2, tmp);
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111
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112 if (is)
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113 {
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114 args(0) = std::string (ctmp2);
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115
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116 octave::interpreter& interp = octave::__get_interpreter__ ();
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117
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118 octave_value_list tmp_inl = interp.feval ("inline", args, 1);
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119
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120 if (tmp_inl.length () > 0)
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121 {
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122 retval = tmp_inl(0);
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123 return true;
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124 }
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125 }
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126 }
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127
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128 return false;
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129 }
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130
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131 // Extract one value (scalar, matrix, string, etc.) from stream IS and
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132 // place it in TC, returning the name of the variable. If the value
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133 // is tagged as global in the file, return TRUE in GLOBAL. If SWAP
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134 // is TRUE, swap bytes after reading.
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135 //
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136 // The data is expected to be in the following format:
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137 //
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138 // Header (one per file):
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139 // =====================
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140 //
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141 // object type bytes
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142 // ------ ---- -----
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143 // magic number string 10
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144 //
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diff changeset
145 // float format integer 1
4634
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146 //
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147 //
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148 // Data (one set for each item):
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149 // ============================
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150 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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151 // object type bytes
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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152 // ------ ---- -----
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153 // name_length integer 4
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jwe
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154 //
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155 // name string name_length
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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156 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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157 // doc_length integer 4
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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158 //
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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159 // doc string doc_length
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160 //
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jwe
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161 // global flag integer 1
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162 //
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163 // data type char 1
4634
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164 //
4687
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165 // In general "data type" is 255, and in that case the next arguments
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diff changeset
166 // in the data set are
4634
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167 //
4687
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168 // object type bytes
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169 // ------ ---- -----
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170 // type_length integer 4
4634
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171 //
4687
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172 // type string type_length
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173 //
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174 // The string "type" is then used with octave::type_info::lookup_type
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b571fc85953f maint: Use two spaces after period to indicate sentence break.
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175 // to create an octave_value of the correct type. The specific load/save
4687
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176 // function is then called.
4634
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177 //
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c54ae1fb7e3b maint: Fix typo in code comments.
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178 // For backward compatibility "data type" can also be a value between 1
4687
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diff changeset
179 // and 7, where this defines a hardcoded octave_value of the type
4634
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180 //
4687
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181 // data type octave_value
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diff changeset
182 // --------- ------------
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183 // 1 scalar
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jwe
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diff changeset
184 // 2 matrix
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jwe
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diff changeset
185 // 3 complex scalar
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diff changeset
186 // 4 complex matrix
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
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187 // 5 string (old style storage)
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
188 // 6 range
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
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diff changeset
189 // 7 string
4634
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190 //
4687
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191 // Except for "data type" equal 5 that requires special treatment, these
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jwe
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192 // old style "data type" value also cause the specific load/save functions
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b571fc85953f maint: Use two spaces after period to indicate sentence break.
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parents: 21739
diff changeset
193 // to be called. FILENAME is used for error messages.
4634
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194
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
195 std::string
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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196 read_binary_data (std::istream& is, bool swap,
21739
c4ab2e54f100 use namespace for oct_mach_info class
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parents: 21724
diff changeset
197 octave::mach_info::float_format fmt,
10315
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diff changeset
198 const std::string& filename, bool& global,
57a59eae83cc untabify src C++ source files
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diff changeset
199 octave_value& tc, std::string& doc)
4634
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200 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
201 std::string retval;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
202
6240
3e5a3b5fd40e [project @ 2007-01-11 07:32:12 by jwe]
jwe
parents: 5828
diff changeset
203 unsigned char tmp = 0;
4634
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204
5828
22e23bee74c8 [project @ 2006-05-23 06:05:14 by jwe]
jwe
parents: 5775
diff changeset
205 int32_t name_len = 0;
22e23bee74c8 [project @ 2006-05-23 06:05:14 by jwe]
jwe
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diff changeset
206 int32_t doc_len = 0;
4634
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207
23812
057a894914df Use C++11 string fcns back() and pop_back() to simplify code.
Rik <rik@octave.org>
parents: 23470
diff changeset
208 doc.clear ();
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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209
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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210 // We expect to fail here, at the beginning of a record, so not
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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211 // being able to read another name should not result in an error.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
212
5760
8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe]
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diff changeset
213 is.read (reinterpret_cast<char *> (&name_len), 4);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
214 if (! is)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
215 return retval;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
216 if (swap)
4944
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jwe
parents: 4730
diff changeset
217 swap_bytes<4> (&name_len);
4634
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diff changeset
218
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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parents:
diff changeset
219 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
220 OCTAVE_LOCAL_BUFFER (char, name, name_len+1);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
221 name[name_len] = '\0';
5760
8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe]
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parents: 5307
diff changeset
222 if (! is.read (reinterpret_cast<char *> (name), name_len))
21170
1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
223 error ("load: trouble reading binary file '%s'", filename.c_str ());
4634
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224 retval = name;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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225 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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226
5760
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diff changeset
227 is.read (reinterpret_cast<char *> (&doc_len), 4);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
228 if (! is)
21170
1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
229 error ("load: trouble reading binary file '%s'", filename.c_str ());
4634
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diff changeset
230 if (swap)
4944
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jwe
parents: 4730
diff changeset
231 swap_bytes<4> (&doc_len);
4634
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232
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
233 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
234 OCTAVE_LOCAL_BUFFER (char, tdoc, doc_len+1);
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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235 tdoc[doc_len] = '\0';
5760
8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe]
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diff changeset
236 if (! is.read (reinterpret_cast<char *> (tdoc), doc_len))
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1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
237 error ("load: trouble reading binary file '%s'", filename.c_str ());
4634
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diff changeset
238 doc = tdoc;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
239 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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240
5760
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jwe
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diff changeset
241 if (! is.read (reinterpret_cast<char *> (&tmp), 1))
21170
1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
242 error ("load: trouble reading binary file '%s'", filename.c_str ());
23450
855122b993da maint: Wrap tertiary operator in parentheses "(COND ? x : y)".
Rik <rik@octave.org>
parents: 23220
diff changeset
243 global = (tmp ? 1 : 0);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
244
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
245 tmp = 0;
5760
8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe]
jwe
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diff changeset
246 if (! is.read (reinterpret_cast<char *> (&tmp), 1))
21170
1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
247 error ("load: trouble reading binary file '%s'", filename.c_str ());
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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parents:
diff changeset
248
31105
670a0d878af1 eliminate WHO arguments from interpreter-private functions
John W. Eaton <jwe@octave.org>
parents: 30564
diff changeset
249 octave::type_info& type_info = octave::__get_type_info__ ();
24540
46440078d73b don't use singleton for octave_value_typeinfo
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parents: 24534
diff changeset
250
4687
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diff changeset
251 // All cases except 255 kept for backwards compatibility
4634
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jwe
parents:
diff changeset
252 switch (tmp)
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
253 {
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
254 case 1:
24540
46440078d73b don't use singleton for octave_value_typeinfo
John W. Eaton <jwe@octave.org>
parents: 24534
diff changeset
255 tc = type_info.lookup_type ("scalar");
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
256 break;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
257
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
258 case 2:
24540
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diff changeset
259 tc = type_info.lookup_type ("matrix");
4634
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260 break;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
261
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
262 case 3:
24540
46440078d73b don't use singleton for octave_value_typeinfo
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parents: 24534
diff changeset
263 tc = type_info.lookup_type ("complex scalar");
4634
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parents:
diff changeset
264 break;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
265
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
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diff changeset
266 case 4:
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parents: 24534
diff changeset
267 tc = type_info.lookup_type ("complex matrix");
4634
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diff changeset
268 break;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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parents:
diff changeset
269
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
270 case 5:
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
271 {
17861
870f3e12e163 maint: Use phrase "FIXME:" for problem areas in code.
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parents: 17744
diff changeset
272 // FIXME:
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
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parents: 21739
diff changeset
273 // This is cruft, since its for a save type that is old.
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21739
diff changeset
274 // Maybe this is taking backward compatibility too far!
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diff changeset
275 int32_t len;
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
276 if (! is.read (reinterpret_cast<char *> (&len), 4))
21170
1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
277 error ("load: trouble reading binary file '%s'", filename.c_str ());
10315
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parents: 10160
diff changeset
278 if (swap)
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
279 swap_bytes<4> (&len);
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
280 OCTAVE_LOCAL_BUFFER (char, s, len+1);
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
281 if (! is.read (reinterpret_cast<char *> (s), len))
21170
1edaf1ee65eb maint: Replace some uses of goto in libinterp.
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parents: 21100
diff changeset
282 error ("load: trouble reading binary file '%s'", filename.c_str ());
10315
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John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
283 s[len] = '\0';
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
284 tc = s;
4687
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parents: 4634
diff changeset
285
10315
57a59eae83cc untabify src C++ source files
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parents: 10160
diff changeset
286 // Early return, since don't want rest of this function
57a59eae83cc untabify src C++ source files
John W. Eaton <jwe@octave.org>
parents: 10160
diff changeset
287 return retval;
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
288 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
289 break;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
290
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
291 case 6:
24540
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parents: 24534
diff changeset
292 tc = type_info.lookup_type ("range");
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
293 break;
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
294
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
295 case 7:
24540
46440078d73b don't use singleton for octave_value_typeinfo
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parents: 24534
diff changeset
296 tc = type_info.lookup_type ("string");
4687
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297 break;
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298
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299 case 255:
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300 {
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301 // Read the saved variable type
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302 int32_t len;
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303 if (! is.read (reinterpret_cast<char *> (&len), 4))
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304 error ("load: trouble reading binary file '%s'", filename.c_str ());
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305 if (swap)
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306 swap_bytes<4> (&len);
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307 OCTAVE_LOCAL_BUFFER (char, s, len+1);
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308 if (! is.read (s, len))
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diff changeset
309 error ("load: trouble reading binary file '%s'", filename.c_str ());
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310 s[len] = '\0';
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311 std::string typ = s;
28427
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312
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313 if (typ == "inline function")
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314 {
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315 // Special case for loading old octave_inline_fcn objects.
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diff changeset
316 if (! load_inline_fcn (is, swap, fmt, tc))
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317 error ("load: trouble reading binary file '%s'", filename.c_str ());
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318 return retval;
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diff changeset
319 }
7a8c69c4eb55 convert obsolete octave_fcn_inline object to @inline class
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diff changeset
320
24540
46440078d73b don't use singleton for octave_value_typeinfo
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diff changeset
321 tc = type_info.lookup_type (typ);
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322 }
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323 break;
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diff changeset
324 default:
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diff changeset
325 error ("load: trouble reading binary file '%s'", filename.c_str ());
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diff changeset
326 break;
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diff changeset
327 }
11586
12df7854fa7c strip trailing whitespace from source files
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parents: 11523
diff changeset
328
20955
77f5591878bf maint: Use '! expr' rather than '!expr' to conform to coding guidelines.
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diff changeset
329 if (! tc.load_binary (is, swap, fmt))
21170
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parents: 21100
diff changeset
330 error ("load: trouble reading binary file '%s'", filename.c_str ());
4634
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331
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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332 return retval;
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333 }
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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diff changeset
334
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335 // Save the data from TC along with the corresponding NAME, help
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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336 // string DOC, and global flag MARK_AS_GLOBAL on stream OS in the
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337 // binary format described above for read_binary_data.
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
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338
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339 bool
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diff changeset
340 save_binary_data (std::ostream& os, const octave_value& tc,
10315
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diff changeset
341 const std::string& name, const std::string& doc,
23470
a41fdb801db6 use mark_global and mark_persistent consistently
John W. Eaton <jwe@octave.org>
parents: 23455
diff changeset
342 bool mark_global, bool save_as_floats)
4634
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diff changeset
343 {
5828
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diff changeset
344 int32_t name_len = name.length ();
4634
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diff changeset
345
5760
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346 os.write (reinterpret_cast<char *> (&name_len), 4);
4634
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diff changeset
347 os << name;
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diff changeset
348
5828
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349 int32_t doc_len = doc.length ();
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350
5760
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diff changeset
351 os.write (reinterpret_cast<char *> (&doc_len), 4);
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352 os << doc;
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diff changeset
353
4730
c88afb778c41 [project @ 2004-02-02 18:31:09 by jwe]
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diff changeset
354 unsigned char tmp;
4634
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diff changeset
355
23470
a41fdb801db6 use mark_global and mark_persistent consistently
John W. Eaton <jwe@octave.org>
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diff changeset
356 tmp = mark_global;
5760
8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe]
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diff changeset
357 os.write (reinterpret_cast<char *> (&tmp), 1);
4634
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diff changeset
358
4687
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diff changeset
359 // 255 flags the new binary format
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
360 tmp = 255;
5760
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diff changeset
361 os.write (reinterpret_cast<char *> (&tmp), 1);
4634
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diff changeset
362
4687
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diff changeset
363 // Write the string corresponding to the octave_value type
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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diff changeset
364 std::string typ = tc.type_name ();
5828
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diff changeset
365 int32_t len = typ.length ();
5760
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diff changeset
366 os.write (reinterpret_cast<char *> (&len), 4);
4687
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diff changeset
367 const char *btmp = typ.data ();
5760
8d7162924bd3 [project @ 2006-04-14 04:01:37 by jwe]
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diff changeset
368 os.write (btmp, len);
11586
12df7854fa7c strip trailing whitespace from source files
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
369
21751
b571fc85953f maint: Use two spaces after period to indicate sentence break.
Rik <rik@octave.org>
parents: 21739
diff changeset
370 // The octave_value of tc is const. Make a copy...
4687
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
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parents: 4634
diff changeset
371 octave_value val = tc;
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
372
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
373 // Call specific save function
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
374 bool success = val.save_binary (os, save_as_floats);
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
375
e95c86d48732 [project @ 2004-01-06 21:53:34 by jwe]
jwe
parents: 4634
diff changeset
376 return (os && success);
4634
79fe96966ca0 [project @ 2003-11-19 21:22:39 by jwe]
jwe
parents:
diff changeset
377 }