Mercurial > hg > orthanc

annotate OrthancFramework/Sources/Compression/HierarchicalZipWriter.cpp @ 5853:4d932683049d get-scu tip

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very first implementation of C-Get SCU
author Alain Mazy <am@orthanc.team>
date Tue, 29 Oct 2024 17:25:49 +0100
parents f7adfb22e20e
children
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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24
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25 #include "../PrecompiledHeaders.h"
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26 #include "HierarchicalZipWriter.h"
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27
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28 #include "../Toolbox.h"
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29 #include "../OrthancException.h"
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30
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31 #include <boost/lexical_cast.hpp>
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32
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33 namespace Orthanc
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34 {
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35 std::string HierarchicalZipWriter::Index::KeepAlphanumeric(const std::string& source)
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36 {
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37 std::string result;
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38
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39 bool lastSpace = false;
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40
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41 result.reserve(source.size());
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42 for (size_t i = 0; i < source.size(); i++)
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43 {
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44 char c = source[i];
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45 if (c == '^')
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46 c = ' ';
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47
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48 if (c <= 127 &&
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49 c >= 0)
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50 {
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51 if (isspace(c))
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52 {
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53 if (!lastSpace)
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54 {
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55 lastSpace = true;
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56 result.push_back(' ');
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57 }
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58 }
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59 else if (isalnum(c) ||
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60 c == '.' ||
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61 c == '_')
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62 {
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63 result.push_back(c);
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64 lastSpace = false;
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65 }
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66 }
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67 }
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68
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69 return Toolbox::StripSpaces(result);
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70 }
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71
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72 std::string HierarchicalZipWriter::Index::GetCurrentDirectoryPath() const
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73 {
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74 std::string result;
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75
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76 Stack::const_iterator it = stack_.begin();
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77 ++it; // Skip the root node (to avoid absolute paths)
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78
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79 while (it != stack_.end())
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80 {
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81 result += (*it)->name_ + "/";
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82 ++it;
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83 }
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84
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85 return result;
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86 }
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87
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88 std::string HierarchicalZipWriter::Index::EnsureUniqueFilename(const char* filename)
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89 {
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90 std::string standardized = KeepAlphanumeric(filename);
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91
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92 Directory& d = *stack_.back();
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93 Directory::Content::iterator it = d.content_.find(standardized);
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94
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95 if (it == d.content_.end())
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96 {
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97 d.content_[standardized] = 1;
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98 return standardized;
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99 }
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100 else
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101 {
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102 it->second++;
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103 return standardized + "-" + boost::lexical_cast<std::string>(it->second);
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104 }
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105 }
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106
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107 HierarchicalZipWriter::Index::Index()
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108 {
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109 stack_.push_back(new Directory);
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110 }
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111
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112 HierarchicalZipWriter::Index::~Index()
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113 {
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114 for (Stack::iterator it = stack_.begin(); it != stack_.end(); ++it)
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115 {
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116 delete *it;
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117 }
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118 }
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119
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120 bool HierarchicalZipWriter::Index::IsRoot() const
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121 {
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122 return stack_.size() == 1;
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123 }
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124
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125 std::string HierarchicalZipWriter::Index::OpenFile(const char* name)
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126 {
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127 return GetCurrentDirectoryPath() + EnsureUniqueFilename(name);
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128 }
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129
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130 void HierarchicalZipWriter::Index::OpenDirectory(const char* name)
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131 {
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132 std::string d = EnsureUniqueFilename(name);
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133
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134 // Push the new directory onto the stack
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135 stack_.push_back(new Directory);
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136 stack_.back()->name_ = d;
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137 }
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138
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139 void HierarchicalZipWriter::Index::CloseDirectory()
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140 {
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141 if (IsRoot())
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142 {
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143 // Cannot close the root node
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144 throw OrthancException(ErrorCode_BadSequenceOfCalls);
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145 }
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146
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147 delete stack_.back();
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148 stack_.pop_back();
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149 }
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150
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151
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152 HierarchicalZipWriter::HierarchicalZipWriter(const char* path)
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153 {
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154 writer_.SetOutputPath(path);
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155 writer_.Open();
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156 }
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157
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158
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159 HierarchicalZipWriter::HierarchicalZipWriter(ZipWriter::IOutputStream* stream,
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160 bool isZip64)
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161 {
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162 writer_.AcquireOutputStream(stream, isZip64);
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163 writer_.Open();
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164 }
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165
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166
247
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167 HierarchicalZipWriter::~HierarchicalZipWriter()
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168 {
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169 writer_.Close();
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170 }
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171
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172 void HierarchicalZipWriter::SetZip64(bool isZip64)
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173 {
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174 writer_.SetZip64(isZip64);
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175 }
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176
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177 bool HierarchicalZipWriter::IsZip64() const
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178 {
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179 return writer_.IsZip64();
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180 }
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181
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182 void HierarchicalZipWriter::SetCompressionLevel(uint8_t level)
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183 {
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184 writer_.SetCompressionLevel(level);
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185 }
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186
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187 uint8_t HierarchicalZipWriter::GetCompressionLevel() const
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188 {
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189 return writer_.GetCompressionLevel();
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190 }
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191
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192 void HierarchicalZipWriter::SetAppendToExisting(bool append)
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193 {
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194 writer_.SetAppendToExisting(append);
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195 }
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196
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197 bool HierarchicalZipWriter::IsAppendToExisting() const
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198 {
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199 return writer_.IsAppendToExisting();
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200 }
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201
249
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202 void HierarchicalZipWriter::OpenFile(const char* name)
247
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203 {
249
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204 std::string p = indexer_.OpenFile(name);
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205 writer_.OpenFile(p.c_str());
247
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206 }
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207
249
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208 void HierarchicalZipWriter::OpenDirectory(const char* name)
247
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209 {
249
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210 indexer_.OpenDirectory(name);
247
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211 }
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212
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213 void HierarchicalZipWriter::CloseDirectory()
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214 {
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215 indexer_.CloseDirectory();
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216 }
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217
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218 std::string HierarchicalZipWriter::GetCurrentDirectoryPath() const
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219 {
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220 return indexer_.GetCurrentDirectoryPath();
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221 }
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222
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223 void HierarchicalZipWriter::Write(const void *data, size_t length)
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224 {
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225 writer_.Write(data, length);
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226 }
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227
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228 void HierarchicalZipWriter::Write(const std::string &data)
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229 {
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230 writer_.Write(data);
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231 }
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232
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233 HierarchicalZipWriter* HierarchicalZipWriter::CreateToMemory(std::string& target,
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234 bool isZip64)
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235 {
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236 return new HierarchicalZipWriter(new ZipWriter::MemoryStream(target), isZip64);
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237 }
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238
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239 void HierarchicalZipWriter::CancelStream()
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240 {
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241 writer_.CancelStream();
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242 }
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243
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244 void HierarchicalZipWriter::Close()
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245 {
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246 writer_.Close();
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247 }
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248
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249 uint64_t HierarchicalZipWriter::GetArchiveSize() const
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250 {
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251 return writer_.GetArchiveSize();
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252 }
247
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253 }