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annotate OrthancFramework/Sources/Compression/HierarchicalZipWriter.h @ 5640:f7adfb22e20e

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updated copyright, as Orthanc Team now replaces Osimis
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 30 May 2024 21:19:57 +0200
parents 48b8dae6dc77
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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 #pragma once
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26
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27 #include "ZipWriter.h"
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28
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29 #include <map>
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30 #include <list>
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31 #include <boost/lexical_cast.hpp>
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32
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33 #if ORTHANC_BUILD_UNIT_TESTS == 1
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34 # include <gtest/gtest_prod.h>
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35 #endif
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36
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37 namespace Orthanc
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38 {
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39 class ORTHANC_PUBLIC HierarchicalZipWriter : public boost::noncopyable
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40 {
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41 #if ORTHANC_BUILD_UNIT_TESTS == 1
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42 FRIEND_TEST(HierarchicalZipWriter, Index);
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43 FRIEND_TEST(HierarchicalZipWriter, Filenames);
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44 #endif
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45
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46 private:
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47 class ORTHANC_PUBLIC Index
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48 {
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49 private:
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50 struct Directory
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51 {
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52 typedef std::map<std::string, unsigned int> Content;
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53
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54 std::string name_;
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55 Content content_;
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56 };
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57
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58 typedef std::list<Directory*> Stack;
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59
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60 Stack stack_;
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61
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62 std::string EnsureUniqueFilename(const char* filename);
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63
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64 public:
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65 Index();
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66
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67 ~Index();
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68
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69 bool IsRoot() const;
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70
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71 std::string OpenFile(const char* name);
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72
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73 void OpenDirectory(const char* name);
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74
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75 void CloseDirectory();
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76
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77 std::string GetCurrentDirectoryPath() const;
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78
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79 static std::string KeepAlphanumeric(const std::string& source);
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80 };
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81
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82 Index indexer_;
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83 ZipWriter writer_;
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84
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85 public:
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86 explicit HierarchicalZipWriter(const char* path);
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87
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88 HierarchicalZipWriter(ZipWriter::IOutputStream* stream, // transfers ownership
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89 bool isZip64);
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90
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91 ~HierarchicalZipWriter();
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92
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93 void SetZip64(bool isZip64);
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94
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95 bool IsZip64() const;
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96
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97 void SetCompressionLevel(uint8_t level);
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98
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99 uint8_t GetCompressionLevel() const;
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100
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101 void SetAppendToExisting(bool append);
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102
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103 bool IsAppendToExisting() const;
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104
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105 void OpenFile(const char* name);
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106
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107 void OpenDirectory(const char* name);
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108
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109 void CloseDirectory();
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110
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111 std::string GetCurrentDirectoryPath() const;
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112
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113 void Write(const void* data, size_t length);
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114
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115 void Write(const std::string& data);
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116
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117 // The lifetime of the "target" buffer must be larger than that of HierarchicalZipWriter
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118 static HierarchicalZipWriter* CreateToMemory(std::string& target,
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119 bool isZip64);
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121 void CancelStream();
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123 void Close();
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124
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125 uint64_t GetArchiveSize() const;
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126 };
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127 }