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annotate Core/Compression/HierarchicalZipWriter.h @ 3578:8e9e0739d3e8

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 19 Nov 2019 17:27:25 +0100
parents 4e43e67f8ecf
children 94f4a18a79cc
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #include "ZipWriter.h"
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37
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38 #include <map>
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39 #include <list>
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40 #include <boost/lexical_cast.hpp>
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41
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42 #if ORTHANC_BUILD_UNIT_TESTS == 1
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43 # include <gtest/gtest_prod.h>
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44 #endif
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45
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46 namespace Orthanc
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47 {
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48 class HierarchicalZipWriter
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49 {
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50 #if ORTHANC_BUILD_UNIT_TESTS == 1
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51 FRIEND_TEST(HierarchicalZipWriter, Index);
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52 FRIEND_TEST(HierarchicalZipWriter, Filenames);
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53 #endif
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54
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55 private:
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56 class Index
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57 {
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58 private:
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59 struct Directory
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60 {
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61 typedef std::map<std::string, unsigned int> Content;
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62
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63 std::string name_;
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64 Content content_;
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65 };
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66
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67 typedef std::list<Directory*> Stack;
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68
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69 Stack stack_;
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70
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71 std::string EnsureUniqueFilename(const char* filename);
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72
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73 public:
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74 Index();
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75
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76 ~Index();
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77
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78 bool IsRoot() const
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79 {
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80 return stack_.size() == 1;
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81 }
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82
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83 std::string OpenFile(const char* name);
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84
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85 void OpenDirectory(const char* name);
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86
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87 void CloseDirectory();
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88
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89 std::string GetCurrentDirectoryPath() const;
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90
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91 static std::string KeepAlphanumeric(const std::string& source);
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92 };
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93
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94 Index indexer_;
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95 ZipWriter writer_;
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96
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97 public:
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98 HierarchicalZipWriter(const char* path);
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99
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100 ~HierarchicalZipWriter();
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101
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102 void SetZip64(bool isZip64)
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103 {
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104 writer_.SetZip64(isZip64);
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105 }
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106
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107 bool IsZip64() const
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108 {
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109 return writer_.IsZip64();
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110 }
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111
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112 void SetCompressionLevel(uint8_t level)
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113 {
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114 writer_.SetCompressionLevel(level);
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115 }
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116
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117 uint8_t GetCompressionLevel() const
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118 {
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119 return writer_.GetCompressionLevel();
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120 }
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121
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122 void SetAppendToExisting(bool append)
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123 {
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124 writer_.SetAppendToExisting(append);
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125 }
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126
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127 bool IsAppendToExisting() const
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128 {
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129 return writer_.IsAppendToExisting();
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130 }
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131
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132 void OpenFile(const char* name);
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133
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134 void OpenDirectory(const char* name);
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135
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136 void CloseDirectory();
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137
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138 std::string GetCurrentDirectoryPath() const
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139 {
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140 return indexer_.GetCurrentDirectoryPath();
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141 }
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142
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143 void Write(const char* data, size_t length)
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144 {
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145 writer_.Write(data, length);
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146 }
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147
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148 void Write(const std::string& data)
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149 {
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150 writer_.Write(data);
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151 }
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152 };
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153 }