Mercurial > hg > orthanc
annotate Core/Compression/HierarchicalZipWriter.cpp @ 247:c9b3ba0fd140
path management in zip files
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 04 Dec 2012 17:27:23 +0100 |
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children | 2442033911d6 |
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247
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, |
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4 * Belgium |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "HierarchicalZipWriter.h" |
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34 |
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35 #include "../Toolbox.h" |
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36 #include "../OrthancException.h" |
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37 |
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38 #include <boost/lexical_cast.hpp> |
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39 |
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40 namespace Orthanc |
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41 { |
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42 std::string HierarchicalZipWriter::Index::KeepAlphanumeric(const std::string& source) |
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43 { |
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44 std::string result; |
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45 |
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46 bool lastSpace = false; |
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47 |
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48 result.reserve(source.size()); |
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49 for (size_t i = 0; i < source.size(); i++) |
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50 { |
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51 if (source[i] < 128 && |
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52 source[i] >= 0) |
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53 { |
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54 if (isspace(source[i])) |
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55 { |
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56 if (!lastSpace) |
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57 { |
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58 lastSpace = true; |
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59 result.push_back(' '); |
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60 } |
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61 } |
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62 else if (isalnum(source[i])) |
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63 { |
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64 result.push_back(source[i]); |
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65 lastSpace = false; |
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66 } |
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67 } |
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68 } |
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69 |
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70 return Toolbox::StripSpaces(result); |
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71 } |
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72 |
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73 std::string HierarchicalZipWriter::Index::GetCurrentDirectoryPath() const |
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74 { |
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75 std::string result; |
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76 |
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77 Stack::const_iterator it = stack_.begin(); |
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78 it++; // Skip the root node (to avoid absolute paths) |
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79 |
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80 while (it != stack_.end()) |
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81 { |
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82 result += (*it)->name_ + "/"; |
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83 it++; |
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84 } |
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85 |
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86 return result; |
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87 } |
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88 |
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89 std::string HierarchicalZipWriter::Index::EnsureUniqueFilename(const char* filename) |
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90 { |
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91 std::string standardized = KeepAlphanumeric(filename); |
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92 |
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93 Directory& d = *stack_.back(); |
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94 Directory::Content::iterator it = d.content_.find(standardized); |
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95 |
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96 if (it == d.content_.end()) |
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97 { |
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98 d.content_[standardized] = 1; |
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99 return standardized; |
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100 } |
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101 else |
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102 { |
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103 it->second++; |
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104 return standardized + "-" + boost::lexical_cast<std::string>(it->second); |
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105 } |
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106 } |
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107 |
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108 HierarchicalZipWriter::Index::Index() |
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109 { |
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110 stack_.push_back(new Directory); |
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111 } |
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112 |
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113 HierarchicalZipWriter::Index::~Index() |
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114 { |
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115 for (Stack::iterator it = stack_.begin(); it != stack_.end(); it++) |
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116 { |
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117 delete *it; |
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118 } |
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119 } |
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120 |
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121 std::string HierarchicalZipWriter::Index::CreateFile(const char* name) |
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122 { |
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123 return GetCurrentDirectoryPath() + EnsureUniqueFilename(name); |
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124 } |
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125 |
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126 void HierarchicalZipWriter::Index::CreateDirectory(const char* name) |
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127 { |
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128 std::string d = EnsureUniqueFilename(name); |
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129 |
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130 // Push the new directory onto the stack |
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131 stack_.push_back(new Directory); |
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132 stack_.back()->name_ = d; |
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133 } |
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134 |
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135 void HierarchicalZipWriter::Index::CloseDirectory() |
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136 { |
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137 if (IsRoot()) |
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138 { |
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139 // Cannot close the root node |
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140 throw OrthancException(ErrorCode_BadSequenceOfCalls); |
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141 } |
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142 |
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143 delete stack_.back(); |
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144 stack_.pop_back(); |
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145 } |
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146 |
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147 |
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148 HierarchicalZipWriter::HierarchicalZipWriter(const char* path) |
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149 { |
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150 writer_.SetOutputPath(path); |
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151 writer_.Open(); |
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152 } |
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153 |
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154 HierarchicalZipWriter::~HierarchicalZipWriter() |
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155 { |
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156 writer_.Close(); |
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157 } |
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158 |
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159 void HierarchicalZipWriter::CreateFile(const char* name) |
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160 { |
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161 std::string p = indexer_.CreateFile(name); |
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162 writer_.CreateFileInZip(p.c_str()); |
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163 } |
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164 |
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165 void HierarchicalZipWriter::CreateDirectory(const char* name) |
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166 { |
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167 indexer_.CreateDirectory(name); |
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168 } |
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169 |
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170 void HierarchicalZipWriter::CloseDirectory() |
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171 { |
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172 indexer_.CloseDirectory(); |
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173 } |
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174 } |