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annotate OrthancFramework/Sources/Compression/HierarchicalZipWriter.h @ 4673:ac66afbdda58

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fix
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 02 Jun 2021 18:01:17 +0200
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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) 2017-2021 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 Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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22
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23 #pragma once
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24
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25 #include "ZipWriter.h"
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26
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27 #include <map>
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28 #include <list>
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29 #include <boost/lexical_cast.hpp>
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30
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31 #if ORTHANC_BUILD_UNIT_TESTS == 1
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32 # include <gtest/gtest_prod.h>
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33 #endif
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34
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35 namespace Orthanc
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36 {
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37 class ORTHANC_PUBLIC HierarchicalZipWriter : public boost::noncopyable
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38 {
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39 #if ORTHANC_BUILD_UNIT_TESTS == 1
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40 FRIEND_TEST(HierarchicalZipWriter, Index);
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41 FRIEND_TEST(HierarchicalZipWriter, Filenames);
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42 #endif
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43
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44 private:
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45 class ORTHANC_PUBLIC Index
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46 {
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47 private:
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48 struct Directory
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49 {
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50 typedef std::map<std::string, unsigned int> Content;
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51
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52 std::string name_;
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53 Content content_;
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54 };
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55
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56 typedef std::list<Directory*> Stack;
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57
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58 Stack stack_;
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59
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60 std::string EnsureUniqueFilename(const char* filename);
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61
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62 public:
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63 Index();
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64
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65 ~Index();
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66
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67 bool IsRoot() const;
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68
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69 std::string OpenFile(const char* name);
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70
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71 void OpenDirectory(const char* name);
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72
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73 void CloseDirectory();
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74
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75 std::string GetCurrentDirectoryPath() const;
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76
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77 static std::string KeepAlphanumeric(const std::string& source);
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78 };
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79
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80 Index indexer_;
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81 ZipWriter writer_;
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82
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83 public:
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84 explicit HierarchicalZipWriter(const char* path);
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85
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86 HierarchicalZipWriter(ZipWriter::IOutputStream* stream, // transfers ownership
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87 bool isZip64);
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88
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89 ~HierarchicalZipWriter();
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90
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91 void SetZip64(bool isZip64);
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92
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93 bool IsZip64() const;
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94
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95 void SetCompressionLevel(uint8_t level);
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96
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97 uint8_t GetCompressionLevel() const;
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98
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99 void SetAppendToExisting(bool append);
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100
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101 bool IsAppendToExisting() const;
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102
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103 void OpenFile(const char* name);
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104
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105 void OpenDirectory(const char* name);
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106
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107 void CloseDirectory();
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108
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109 std::string GetCurrentDirectoryPath() const;
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110
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111 void Write(const void* data, size_t length);
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112
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113 void Write(const std::string& data);
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114
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115 // The lifetime of the "target" buffer must be larger than that of HierarchicalZipWriter
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116 static HierarchicalZipWriter* CreateToMemory(std::string& target,
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117 bool isZip64);
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118
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119 void CancelStream();
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121 void Close();
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122
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123 uint64_t GetArchiveSize() const;
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124 };
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125 }