Mercurial > octave
annotate libinterp/dldfcn/xzip.cc @ 22326:71dd9d5a5ecd
move more new classes inside octave namespace
* base-text-renderer.h, ft-text-renderer.cc, ft-text-renderer.h,
gl-render.cc, gl-render.h, gl2ps-print.cc, gl2ps-print.h,
oct-stream.cc, text-renderer.cc, text-renderer.h, ov-java.cc, xzip.cc:
Move classes inside octave namespace.
* GLCanvas.cc, gl-select.cc, gl-select.h, graphics.cc, graphics.in.h,
__init_fltk__.cc, __osmesa_print__.cc: Update.
author | John W. Eaton <jwe@octave.org> |
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date | Wed, 17 Aug 2016 02:57:50 -0400 |
parents | 9fc91bb2aec3 |
children | 53e246fd8124 |
rev | line source |
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1 // Copyright (C) 2016 Carnë Draug |
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2 // |
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3 // This program is free software: you can redistribute it and/or modify |
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4 // it under the terms of the GNU General Public License as published by |
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5 // the Free Software Foundation, either version 3 of the License, or |
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6 // (at your option) any later version. |
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7 // |
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8 // This program is distributed in the hope that it will be useful, |
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9 // but WITHOUT ANY WARRANTY; without even the implied warranty of |
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10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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11 // GNU General Public License for more details. |
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12 // |
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13 // You should have received a copy of the GNU General Public License |
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14 // along with this program. If not, see <http://www.gnu.org/licenses/>. |
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15 |
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16 //! Octave interface to the compression and uncompression libraries. |
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17 /*! |
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18 This was originally implemented as an m file which directly called |
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19 bzip2 and gzip applications. This may look simpler but causes some |
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20 issues (see bug #43431) because we have no control over the output |
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21 file: |
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22 |
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23 - created file is always in the same directory as the original file; |
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24 - automatically skip files that already have gz/bz2/etc extension; |
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25 - some older versions lack the --keep option. |
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26 |
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27 In addition, because system() does not have a method that allows |
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28 passing a list of arguments, there is the issue of having to escape |
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29 filenames. |
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30 |
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31 A solution is to pipe file contents into the applications instead of |
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32 filenames. However, that solution causes: |
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33 |
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34 # missing file header with original file information; |
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35 # implementing ourselves the recursive transversion of directories; |
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36 # do the above in a m file which will be slow; |
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37 # popen2 is frail on windows. |
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38 |
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39 */ |
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40 |
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41 #if defined (HAVE_CONFIG_H) |
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42 # include "config.h" |
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43 #endif |
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44 |
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45 #include <cstdio> |
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46 #include <cstring> |
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47 |
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48 #include <string> |
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49 #include <list> |
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50 #include <functional> |
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51 #include <stdexcept> |
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52 #include <iostream> |
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53 #include <fstream> |
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54 |
22188 | 55 #if defined (HAVE_BZLIB_H) |
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56 # include <bzlib.h> |
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57 #endif |
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58 |
22188 | 59 #if defined (HAVE_ZLIB_H) |
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60 # include <zlib.h> |
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61 #endif |
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62 |
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63 #include "Array.h" |
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64 #include "str-vec.h" |
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65 #include "glob-match.h" |
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66 #include "file-ops.h" |
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67 #include "dir-ops.h" |
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68 #include "file-stat.h" |
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69 #include "oct-env.h" |
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70 |
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71 #include "defun-dld.h" |
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72 #include "defun-int.h" |
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73 #include "errwarn.h" |
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74 |
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75 namespace octave |
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76 { |
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77 //! RIIA wrapper for std::FILE* |
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78 /*! If error handling is available for failing to close the file, use |
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79 the close method which throws. |
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80 |
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81 If the file has been closed, fp is set to nullptr. Remember that |
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82 behavior is undefined if the value of the pointer stream is used |
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83 after fclose. |
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84 */ |
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86 class CFile |
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87 { |
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88 public: |
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89 std::FILE* fp; |
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90 |
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91 CFile (const std::string& path, const std::string& mode) |
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92 { |
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93 fp = std::fopen (path.c_str (), mode.c_str ()); |
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94 if (! fp) |
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95 throw std::runtime_error ("unable to open file"); |
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96 } |
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97 |
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98 void |
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99 close (void) |
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100 { |
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101 if (std::fclose (fp)) |
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102 throw std::runtime_error ("unable to close file"); |
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103 fp = nullptr; |
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104 } |
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105 |
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106 ~CFile () |
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107 { |
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108 if (fp) |
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109 std::fclose (fp); |
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110 } |
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111 }; |
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112 |
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113 #if defined (HAVE_BZ2) |
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114 |
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115 class bz2 |
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116 { |
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117 private: |
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118 class zipper |
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119 { |
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120 private: |
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121 int status = BZ_OK; |
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122 CFile source; |
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123 CFile dest; |
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124 BZFILE* bz; |
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125 |
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126 public: |
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127 zipper (const std::string& source_path, const std::string& dest_path) |
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128 : source (source_path, "rb"), dest (dest_path, "wb") |
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129 { |
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130 bz = BZ2_bzWriteOpen (&status, dest.fp, 9, 0, 30); |
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131 if (status != BZ_OK) |
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132 throw std::runtime_error ("failed to open bzip2 stream"); |
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133 } |
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134 |
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135 void |
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136 deflate (void) |
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137 { |
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138 const std::size_t buf_len = 8192; |
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139 char buf[buf_len]; |
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140 std::size_t n_read; |
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141 while ((n_read = std::fread (buf, sizeof (buf[0]), buf_len, source.fp)) != 0) |
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142 { |
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143 if (std::ferror (source.fp)) |
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144 throw std::runtime_error ("failed to read from source file"); |
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145 BZ2_bzWrite (&status, bz, buf, n_read); |
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146 if (status == BZ_IO_ERROR) |
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147 throw std::runtime_error ("failed to write or compress"); |
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148 } |
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149 if (std::ferror (source.fp)) |
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150 throw std::runtime_error ("failed to read from source file"); |
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151 } |
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152 |
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153 void |
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154 close (void) |
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155 { |
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156 int abandon = (status == BZ_IO_ERROR) ? 1 : 0; |
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157 BZ2_bzWriteClose (&status, bz, abandon, 0, 0); |
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158 if (status != BZ_OK) |
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159 throw std::runtime_error ("failed to close bzip2 stream"); |
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160 bz = nullptr; |
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161 |
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162 // We have no error handling for failing to close source, let |
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163 // the destructor close it. |
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164 dest.close (); |
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165 } |
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166 |
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167 ~zipper () |
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168 { |
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169 if (bz != nullptr) |
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170 BZ2_bzWriteClose (&status, bz, 1, 0, 0); |
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171 } |
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172 }; |
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173 |
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174 public: |
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175 static const constexpr char* extension = ".bz2"; |
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176 |
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177 static void |
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178 zip (const std::string& source_path, const std::string& dest_path) |
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179 { |
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180 bz2::zipper z (source_path, dest_path); |
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181 z.deflate (); |
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182 z.close (); |
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183 } |
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184 |
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185 }; |
22188 | 186 |
187 #endif | |
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188 |
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189 // Note about zlib and gzip |
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190 // |
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191 // gzip is a format for compressed single files. zlib is a format |
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192 // designed for in-memory and communication channel applications. |
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193 // gzip uses the same format internally for the compressed data but |
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194 // has different headers and trailers. |
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195 // |
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196 // zlib is also a library but gzip is not. Very old versions of zlib do |
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197 // not include functions to create useful gzip headers and trailers: |
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198 // |
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199 // Note that you cannot specify special gzip header contents (e.g. |
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200 // a file name or modification date), nor will inflate tell you what |
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201 // was in the gzip header. If you need to customize the header or |
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202 // see what's in it, you can use the raw deflate and inflate |
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203 // operations and the crc32() function and roll your own gzip |
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204 // encoding and decoding. Read the gzip RFC 1952 for details of the |
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205 // header and trailer format. |
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206 // zlib FAQ |
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207 // |
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208 // Recent versions (on which we are already dependent) have deflateInit2() |
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209 // to do it. We still need to get the right metadata for the header |
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210 // ourselves though. |
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211 // |
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212 // The header is defined in RFC #1952 |
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213 // GZIP file format specification version 4.3 |
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214 |
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215 |
22188 | 216 #if defined (HAVE_Z) |
217 | |
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218 class gz |
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219 { |
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220 private: |
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221 |
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222 // Util class to get a non-const char* |
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223 class uchar_array |
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224 { |
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225 public: |
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226 // Bytef is a typedef for unsigned char |
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227 unsigned char* p; |
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228 |
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229 uchar_array (const std::string& str) |
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230 { |
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231 p = new Bytef[str.length () +1]; |
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232 std::strcpy (reinterpret_cast<char*> (p), str.c_str ()); |
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233 } |
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234 |
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235 ~uchar_array (void) { delete[] p; } |
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236 }; |
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237 |
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238 class gzip_header : public gz_header |
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239 { |
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240 private: |
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241 // This must be kept for gz_header.name |
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242 uchar_array basename; |
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243 |
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244 public: |
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245 gzip_header (const std::string& source_path) |
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246 : basename (octave::sys::env::base_pathname (source_path)) |
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247 { |
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248 const octave::sys::file_stat source_stat (source_path); |
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249 if (! source_stat) |
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250 throw std::runtime_error ("unable to stat source file"); |
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251 |
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252 // time_t may be a signed int in which case it will be a |
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253 // positive number so it is safe to uLong. Or is it? Can |
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254 // unix_time really never be negative? |
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255 time = uLong (source_stat.mtime ().unix_time ()); |
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256 |
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257 // If FNAME is set, an original file name is present, |
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258 // terminated by a zero byte. The name must consist of ISO |
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259 // 8859-1 (LATIN-1) characters; on operating systems using |
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260 // EBCDIC or any other character set for file names, the name |
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261 // must be translated to the ISO LATIN-1 character set. This |
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262 // is the original name of the file being compressed, with any |
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263 // directory components removed, and, if the file being |
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264 // compressed is on a file system with case insensitive names, |
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265 // forced to lower case. |
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266 name = basename.p; |
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267 |
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268 // If we don't set it to Z_NULL, then it will set FCOMMENT (4th bit) |
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269 // on the FLG byte, and then write {0, 3} comment. |
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270 comment = Z_NULL; |
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271 |
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272 // Seems to already be the default but we are not taking chances. |
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273 extra = Z_NULL; |
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274 |
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275 // We do not want a CRC for the header. That would be only 2 more |
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276 // bytes, and maybe it would be a good thing but we want to generate |
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277 // gz files similar to the default gzip application. |
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278 hcrc = 0; |
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279 |
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280 // OS (Operating System): |
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281 // 0 - FAT filesystem (MS-DOS, OS/2, NT/Win32) |
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282 // 1 - Amiga |
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283 // 2 - VMS (or OpenVMS) |
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284 // 3 - Unix |
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285 // 4 - VM/CMS |
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286 // 5 - Atari TOS |
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287 // 6 - HPFS filesystem (OS/2, NT) |
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288 // 7 - Macintosh |
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289 // 8 - Z-System |
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290 // 9 - CP/M |
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291 // 10 - TOPS-20 |
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292 // 11 - NTFS filesystem (NT) |
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293 // 12 - QDOS |
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294 // 13 - Acorn RISCOS |
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295 // 255 - unknown |
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296 // |
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297 // The list is problematic because it mixes OS and filesystem. It |
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298 // also does not specify whether filesystem relates to source or |
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299 // destination file. |
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300 |
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301 #if defined (__WIN32__) |
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302 // Or should it be 11? |
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303 os = 0; |
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304 #elif defined (__APPLE__) |
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305 os = 7; |
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306 #else |
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307 // Unix by default? |
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308 os = 3; |
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309 #endif |
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310 } |
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311 }; |
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312 |
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313 class zipper |
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314 { |
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315 private: |
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316 CFile source; |
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317 CFile dest; |
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318 gzip_header header; |
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319 z_stream* strm; |
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320 |
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321 public: |
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322 zipper (const std::string& source_path, const std::string& dest_path) |
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323 : source (source_path, "rb"), dest (dest_path, "wb"), |
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324 header (source_path), strm (new z_stream) |
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325 { |
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326 strm->zalloc = Z_NULL; |
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327 strm->zfree = Z_NULL; |
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328 strm->opaque = Z_NULL; |
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329 } |
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330 |
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331 void |
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332 deflate () |
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333 { |
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334 // int deflateInit2 (z_streamp strm, |
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335 // int level, // compression level (default is 8) |
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336 // int method, |
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337 // int windowBits, // 15 (default) + 16 (gzip format) |
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338 // int memLevel, // memory usage (default is 8) |
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339 // int strategy); |
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340 int status = deflateInit2 (strm, 8, Z_DEFLATED, 31, 8, |
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341 Z_DEFAULT_STRATEGY); |
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342 if (status != Z_OK) |
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343 throw std::runtime_error ("failed to open zlib stream"); |
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344 |
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345 deflateSetHeader (strm, &header); |
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346 |
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347 const std::size_t buf_len = 8192; |
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348 unsigned char buf_in[buf_len]; |
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349 unsigned char buf_out[buf_len]; |
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350 |
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351 while ((strm->avail_in = std::fread (buf_in, sizeof (buf_in[0]), |
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352 buf_len, source.fp)) != 0) |
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353 { |
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354 if (std::ferror (source.fp)) |
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355 throw std::runtime_error ("failed to read source file"); |
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356 |
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357 strm->next_in = buf_in; |
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358 const int flush = std::feof (source.fp) ? Z_FINISH : Z_NO_FLUSH; |
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359 |
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360 // If deflate returns Z_OK and with zero avail_out, it must be |
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361 // called again after making room in the output buffer because |
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362 // there might be more output pending. |
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363 do |
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364 { |
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365 strm->avail_out = buf_len; |
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366 strm->next_out = buf_out; |
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367 status = ::deflate (strm, flush); |
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368 if (status == Z_STREAM_ERROR) |
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369 throw std::runtime_error ("failed to deflate"); |
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370 |
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371 std::fwrite (buf_out, sizeof (buf_out[0]), |
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372 buf_len - strm->avail_out, dest.fp); |
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373 if (std::ferror (dest.fp)) |
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374 throw std::runtime_error ("failed to write file"); |
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375 } |
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376 while (strm->avail_out == 0); |
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377 |
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378 if (strm->avail_in != 0) |
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379 throw std::runtime_error ("failed to wrote file"); |
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380 } |
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381 } |
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382 |
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383 void |
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384 close (void) |
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385 { |
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386 if (deflateEnd (strm) != Z_OK) |
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387 throw std::runtime_error ("failed to close zlib stream"); |
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388 strm = nullptr; |
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389 |
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390 // We have no error handling for failing to close source, let |
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391 // the destructor close it. |
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392 dest.close (); |
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393 } |
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394 |
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395 ~zipper (void) |
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396 { |
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397 if (strm) |
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398 deflateEnd (strm); |
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399 delete strm; |
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400 } |
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401 }; |
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402 |
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403 public: |
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404 static const constexpr char* extension = ".gz"; |
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405 |
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406 static void |
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407 zip (const std::string& source_path, const std::string& dest_path) |
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408 { |
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409 gz::zipper z (source_path, dest_path); |
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410 z.deflate (); |
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411 z.close (); |
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412 } |
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413 }; |
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414 |
22188 | 415 #endif |
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416 |
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417 |
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418 template<typename X> |
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419 string_vector |
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420 xzip (const Array<std::string>& source_patterns, |
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421 const std::function<std::string(const std::string&)>& mk_dest_path) |
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422 { |
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423 std::list<std::string> dest_paths; |
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424 |
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425 std::function<void(const std::string&)> walk; |
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426 walk = [&walk, &mk_dest_path, &dest_paths] (const std::string& path) -> void |
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427 { |
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428 const octave::sys::file_stat fs (path); |
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429 // is_dir and is_reg will return false if failed to stat. |
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430 if (fs.is_dir ()) |
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431 { |
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432 octave::sys::dir_entry dir (path); |
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433 if (dir) |
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434 { |
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435 // Collect the whole list of filenames first, before recursion |
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436 // to avoid issues with infinite loop if the action generates |
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437 // files in the same directory (highly likely). |
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438 string_vector dirlist = dir.read (); |
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439 for (octave_idx_type i = 0; i < dirlist.numel (); i++) |
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440 if (dirlist(i) != "." && dirlist(i) != "..") |
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441 walk (octave::sys::file_ops::concat (path, dirlist(i))); |
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442 } |
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443 // Note that we skip any problem with directories. |
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444 } |
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445 else if (fs.is_reg ()) |
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446 { |
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447 const std::string dest_path = mk_dest_path (path); |
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448 try |
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449 { |
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450 X::zip (path, dest_path); |
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451 } |
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452 catch (...) |
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453 { |
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454 // Error "handling" is not including filename on the output list. |
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455 // Also remove created file which maybe was not even created |
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456 // in the first place. Note that it is possible for the file |
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457 // to exist in the first place and for X::zip to not have |
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458 // clobber it yet but we remove it anyway by design. |
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459 octave::sys::unlink (dest_path); |
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460 return; |
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461 } |
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462 dest_paths.push_front (dest_path); |
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463 } |
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464 // Skip all other file types and errors. |
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465 return; |
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466 }; |
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467 |
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468 for (octave_idx_type i = 0; i < source_patterns.numel (); i++) |
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469 { |
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470 const glob_match pattern (octave::sys::file_ops::tilde_expand (source_patterns(i))); |
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471 const string_vector filepaths = pattern.glob (); |
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472 for (octave_idx_type j = 0; j < filepaths.numel (); j++) |
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473 walk (filepaths(j)); |
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474 } |
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475 return string_vector (dest_paths); |
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476 } |
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477 |
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478 |
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479 template<typename X> |
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480 string_vector |
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481 xzip (const Array<std::string>& source_patterns) |
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482 { |
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483 const std::string ext = X::extension; |
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484 const std::function<std::string(const std::string&)> mk_dest_path |
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485 = [&ext] (const std::string& source_path) -> std::string |
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486 { |
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487 return source_path + ext; |
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488 }; |
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489 return xzip<X> (source_patterns, mk_dest_path); |
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490 } |
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491 |
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492 template<typename X> |
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493 string_vector |
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494 xzip (const Array<std::string>& source_patterns, const std::string& out_dir) |
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495 { |
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496 const std::string ext = X::extension; |
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497 const std::function<std::string(const std::string&)> mk_dest_path |
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498 = [&out_dir, &ext] (const std::string& source_path) -> std::string |
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499 { |
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500 const std::string basename = octave::sys::env::base_pathname (source_path); |
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501 return octave::sys::file_ops::concat (out_dir, basename + ext); |
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502 }; |
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503 |
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504 // We don't care if mkdir fails. Maybe it failed because it already |
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505 // exists, or maybe it can't bre created. If the first, then there's |
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506 // nothing to do, if the later, then it will be handled later. Any |
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507 // is to be handled by not listing files in the output. |
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508 octave::sys::mkdir (out_dir, 0777); |
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509 return xzip<X> (source_patterns, mk_dest_path); |
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510 } |
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511 |
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512 template<typename X> |
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513 static octave_value_list |
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514 xzip (const std::string& func_name, const octave_value_list& args) |
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515 { |
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516 const octave_idx_type nargin = args.length (); |
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517 if (nargin < 1 || nargin > 2) |
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518 print_usage (); |
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519 |
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520 const Array<std::string> source_patterns |
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521 = args(0).xcellstr_value ("%s: FILES must be a character array or cellstr", |
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522 func_name.c_str ()); |
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523 if (nargin == 1) |
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524 return octave_value (Cell (xzip<X> (source_patterns))); |
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525 else // nargin == 2 |
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526 { |
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527 const std::string out_dir = args(1).string_value (); |
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528 return octave_value (Cell (xzip<X> (source_patterns, out_dir))); |
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529 } |
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530 } |
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531 } |
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532 |
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533 DEFUN_DLD (gzip, args, , |
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534 doc: /* -*- texinfo -*- |
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535 @deftypefn {} {@var{filelist} =} gzip (@var{files}) |
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536 @deftypefnx {} {@var{filelist} =} gzip (@var{files}, @var{dir}) |
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537 Compress the list of files and directories specified in @var{files}. |
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538 |
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539 @var{files} is a character array or cell array of strings. Shell wildcards |
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540 in the filename such as @samp{*} or @samp{?} are accepted and expanded. |
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541 Each file is compressed separately and a new file with a @file{".gz"} |
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542 extension is created. The original files are not modified, but existing |
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543 compressed files will be silently overwritten. If a directory is |
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544 specified then @code{gzip} recursively compresses all files in the |
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545 directory. |
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546 |
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547 If @var{dir} is defined the compressed files are placed in this directory, |
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548 rather than the original directory where the uncompressed file resides. |
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549 Note that this does not replicate a directory tree in @var{dir} which may |
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550 lead to files overwritting each other if there are multiple files with the |
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551 same name. |
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552 |
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553 If @var{dir} does not exist it is created. |
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554 |
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555 The optional output @var{filelist} is a list of the compressed files. |
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556 @seealso{gunzip, unpack, bzip2, zip, tar} |
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557 @end deftypefn */) |
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558 { |
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559 #if defined (HAVE_Z) |
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560 |
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561 return octave::xzip<octave::gz> ("gzip", args); |
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562 |
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563 #else |
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564 |
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565 octave_unused_parameter (args); |
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566 |
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567 err_disabled_feature ("gzip", "gzip"); |
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568 |
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569 #endif |
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570 } |
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571 |
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572 /* |
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573 %!error gzip () |
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574 %!error gzip ("1", "2", "3") |
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575 %!error <FILES must be a character array or cellstr|was unavailable or disabled> gzip (1) |
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576 */ |
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577 |
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578 DEFUN_DLD (bzip2, args, , |
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579 doc: /* -*- texinfo -*- |
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580 @deftypefn {} {@var{filelist} =} bzip2 (@var{files}) |
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581 @deftypefnx {} {@var{filelist} =} bzip2 (@var{files}, @var{dir}) |
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582 Compress the list of files specified in @var{files}. |
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583 |
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584 @var{files} is a character array or cell array of strings. Shell wildcards |
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585 in the filename such as @samp{*} or @samp{?} are accepted and expanded. |
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586 Each file is compressed separately and a new file with a @file{".bz2"} |
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587 extension is created. The original files are not modified, but existing |
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588 compressed files will be silently overwritten. |
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589 |
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590 If @var{dir} is defined the compressed files are placed in this directory, |
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591 rather than the original directory where the uncompressed file resides. |
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592 Note that this does not replicate a directory tree in @var{dir} which may |
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593 lead to files overwritting each other if there are multiple files with the |
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594 same name. |
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595 |
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596 If @var{dir} does not exist it is created. |
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597 |
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598 The optional output @var{filelist} is a list of the compressed files. |
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599 @seealso{bunzip2, unpack, gzip, zip, tar} |
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600 @end deftypefn */) |
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601 { |
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602 #if defined (HAVE_BZ2) |
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603 |
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604 return octave::xzip<octave::bz2> ("bzip2", args); |
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605 |
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606 #else |
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607 |
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608 octave_unused_parameter (args); |
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609 |
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610 err_disabled_feature ("bzip2", "bzip2"); |
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611 |
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612 #endif |
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613 } |
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614 |
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615 // Tests for both gzip/bzip2 and gunzip/bunzip2 |
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616 /* |
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617 |
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618 ## Takes a single argument, a function handle for the test. This other |
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619 ## function must accept two arguments, a directory for the tests, and |
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620 ## a cell array with zip function, unzip function, and file extension. |
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621 |
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622 %!function run_test_function (test_function) |
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623 %! enabled_zippers = struct ("zip", {}, "unzip", {}, "ext", {}); |
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624 %! if (__octave_config_info__ ().build_features.BZ2) |
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625 %! enabled_zippers(end+1).zip = @bzip2; |
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626 %! enabled_zippers(end).unzip = @bunzip2; |
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627 %! enabled_zippers(end).ext = ".bz2"; |
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628 %! endif |
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629 %! if (__octave_config_info__ ().build_features.Z) |
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630 %! enabled_zippers(end+1).zip = @gzip; |
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631 %! enabled_zippers(end).unzip = @gunzip; |
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632 %! enabled_zippers(end).ext = ".gz"; |
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633 %! endif |
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634 %! |
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635 %! for z = enabled_zippers |
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636 %! test_dir = tempname (); |
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637 %! if (! mkdir (test_dir)) |
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638 %! error ("unable to create directory for tests"); |
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639 %! endif |
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640 %! unwind_protect |
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641 %! test_function (test_dir, z) |
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642 %! unwind_protect_cleanup |
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643 %! confirm_recursive_rmdir (false, "local"); |
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644 %! rmdir (test_dir, "s"); |
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645 %! end_unwind_protect |
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646 %! endfor |
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647 %!endfunction |
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648 |
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649 %!function create_file (fpath, data) |
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650 %! fid = fopen (fpath, "wb"); |
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651 %! if (fid < 0) |
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652 %! error ("unable to open file for writing"); |
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653 %! endif |
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654 %! if (fwrite (fid, data, class (data)) != numel (data)) |
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655 %! error ("unable to write to file"); |
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656 %! endif |
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657 %! if (fflush (fid) || fclose (fid)) |
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658 %! error ("unable to flush or close file"); |
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659 %! endif |
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660 %!endfunction |
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661 |
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662 %!function unlink_or_error (filepath) |
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663 %! [err, msg] = unlink (filepath); |
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664 %! if (err) |
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665 %! error ("unable to remove file required for the test"); |
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666 %! endif |
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667 %!endfunction |
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668 |
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669 ## Test with large files because of varied buffer size |
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670 %!function test_large_file (test_dir, z) |
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671 %! test_file = tempname (test_dir); |
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672 %! create_file (test_file, rand (500000, 1)); |
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673 %! md5 = hash ("md5", fileread (test_file)); |
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674 %! |
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675 %! z_file = [test_file z.ext]; |
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676 %! z_filelist = z.zip (test_file); |
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677 %! assert (z_filelist, {z_file}) |
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678 %! |
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679 %! unlink_or_error (test_file); |
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680 %! uz_filelist = z.unzip (z_file); |
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681 %! assert (uz_filelist, {test_file}) |
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682 %! |
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683 %! assert (hash ("md5", fileread (test_file)), md5) |
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684 %!endfunction |
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685 %!test run_test_function (@test_large_file) |
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686 |
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687 ## Test that xzipped files are rexzipped |
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688 %!function test_z_z (test_dir, z) |
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689 %! ori_file = tempname (test_dir); |
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690 %! create_file (ori_file, rand (100, 1)); |
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691 %! md5_ori = hash ("md5", fileread (ori_file)); |
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692 %! |
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693 %! z_file = [ori_file z.ext]; |
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694 %! z_filelist = z.zip (ori_file); |
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695 %! assert (z_filelist, {z_file}) # check output |
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696 %! assert (exist (z_file), 2) # confirm file exists |
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697 %! assert (exist (ori_file), 2) # and did not remove original file |
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698 %! |
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699 %! unlink_or_error (ori_file); |
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700 %! uz_filelist = z.unzip (z_file); |
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701 %! assert (uz_filelist, {ori_file}) # bug #48598 |
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702 %! assert (hash ("md5", fileread (ori_file)), md5_ori) |
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703 %! assert (exist (z_file), 2) # bug #48597 |
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704 %! |
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705 %! ## xzip should dutifully re-xzip files even if they already are zipped |
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706 %! z_z_file = [z_file z.ext]; |
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707 %! z_z_filelist = z.zip (z_file); |
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708 %! assert (z_z_filelist, {z_z_file}) # check output |
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709 %! assert (exist (z_z_file), 2) # confirm file exists |
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710 %! assert (exist (z_file), 2) |
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711 %! |
22194
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712 %! md5_z = hash ("md5", fileread (z_file)); |
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713 %! unlink_or_error (z_file); |
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714 %! uz_z_filelist = z.unzip (z_z_file); |
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715 %! assert (uz_z_filelist, {z_file}) # bug #48598 |
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716 %! assert (exist (z_z_file), 2) # bug #48597 |
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717 %! assert (hash ("md5", fileread (z_file)), md5_z) |
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718 %!endfunction |
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719 %!test run_test_function (@test_z_z) |
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720 |
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721 %!function test_xzip_dir (test_dir, z) # bug #43431 |
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722 %! fpaths = fullfile (test_dir, {"test1", "test2", "test3"}); |
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723 %! md5s = cell (1, 3); |
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724 %! for idx = 1:numel(fpaths) |
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725 %! create_file (fpaths{idx}, rand (100, 1)); |
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726 %! md5s(idx) = hash ("md5", fileread (fpaths{idx})); |
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727 %! endfor |
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728 %! |
22194
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729 %! test_dir = [test_dir filesep()]; |
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|
730 %! |
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|
731 %! z_files = strcat (fpaths, z.ext); |
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|
732 %! z_filelist = z.zip (test_dir); |
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733 %! assert (sort (z_filelist), z_files(:)) |
22160
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|
734 %! for idx = 1:numel(fpaths) |
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735 %! assert (exist (z_files{idx}), 2) |
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736 %! unlink_or_error (fpaths{idx}); |
22160
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|
737 %! endfor |
22194
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|
738 %! |
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|
739 %! ## only gunzip handles directory (bunzip2 should too though) |
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740 %! if (z.unzip == @gunzip) |
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741 %! uz_filelist = z.unzip (test_dir); |
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742 %! else |
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743 %! uz_filelist = cell (1, numel (z_filelist)); |
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744 %! for idx = 1:numel(z_filelist) |
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745 %! uz_filelist(idx) = z.unzip (z_filelist{idx}); |
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746 %! endfor |
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747 %! endif |
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748 %! assert (sort (uz_filelist), fpaths(:)) # bug #48598 |
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|
749 %! for idx = 1:numel(fpaths) |
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|
750 %! assert (hash ("md5", fileread (fpaths{idx})), md5s{idx}) |
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|
751 %! endfor |
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752 %!endfunction |
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|
753 %!test run_test_function (@test_xzip_dir) |
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754 |
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|
755 %!function test_save_to_dir (test_dir, z) |
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|
756 %! filename = "test-file"; |
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|
757 %! filepath = fullfile (test_dir, filename); |
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|
758 %! create_file (filepath, rand (100, 1)); |
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Rewrite gzip and bzip2 in C++ instead of using its applications (bug #43431)
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|
759 %! md5 = hash ("md5", fileread (filepath)); |
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|
760 %! |
766f934db568
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|
761 %! ## test with existing and non-existing directory |
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|
762 %! out_dirs = {tempname (test_dir), tempname (test_dir)}; |
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|
763 %! if (! mkdir (out_dirs{1})) |
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|
764 %! error ("unable to create directory for test"); |
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|
765 %! endif |
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|
766 %! for idx = 1:numel(out_dirs) |
766f934db568
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767 %! out_dir = out_dirs{idx}; |
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768 %! uz_file = fullfile (out_dir, filename); |
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769 %! z_file = [uz_file z.ext]; |
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|
770 %! |
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771 %! z_filelist = z.zip (filepath, out_dir); |
b1ebad209360
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|
772 %! assert (z_filelist, {z_file}) |
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|
773 %! assert (exist (z_file, "file"), 2) |
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changeset
|
774 %! |
b1ebad209360
xzip.cc: modify tests for readability.
Carnë Draug <carandraug@octave.org>
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775 %! uz_filelist = z.unzip (z_file); |
b1ebad209360
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|
776 %! assert (uz_filelist, {uz_file}) # bug #48598 |
b1ebad209360
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Carnë Draug <carandraug@octave.org>
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|
777 %! |
22160
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Carnë Draug <carandraug@octave.org>
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|
778 %! assert (hash ("md5", fileread (uz_file)), md5) |
766f934db568
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|
779 %! endfor |
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780 %!endfunction |
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|
781 %!test run_test_function (@test_save_to_dir) |
766f934db568
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782 */ |