Mercurial > hg > orthanc
comparison OrthancFramework/Sources/Compression/HierarchicalZipWriter.cpp @ 4044:d25f4c0fa160 framework
splitting code into OrthancFramework and OrthancServer
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 10 Jun 2020 20:30:34 +0200 |
parents | Core/Compression/HierarchicalZipWriter.cpp@94f4a18a79cc |
children | bf7b9edf6b81 |
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4043:6c6239aec462 | 4044:d25f4c0fa160 |
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1 /** | |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2020 Osimis S.A., Belgium | |
6 * | |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
23 * | |
24 * This program is distributed in the hope that it will be useful, but | |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "../PrecompiledHeaders.h" | |
35 #include "HierarchicalZipWriter.h" | |
36 | |
37 #include "../Toolbox.h" | |
38 #include "../OrthancException.h" | |
39 | |
40 #include <boost/lexical_cast.hpp> | |
41 | |
42 namespace Orthanc | |
43 { | |
44 std::string HierarchicalZipWriter::Index::KeepAlphanumeric(const std::string& source) | |
45 { | |
46 std::string result; | |
47 | |
48 bool lastSpace = false; | |
49 | |
50 result.reserve(source.size()); | |
51 for (size_t i = 0; i < source.size(); i++) | |
52 { | |
53 char c = source[i]; | |
54 if (c == '^') | |
55 c = ' '; | |
56 | |
57 if (c <= 127 && | |
58 c >= 0) | |
59 { | |
60 if (isspace(c)) | |
61 { | |
62 if (!lastSpace) | |
63 { | |
64 lastSpace = true; | |
65 result.push_back(' '); | |
66 } | |
67 } | |
68 else if (isalnum(c) || | |
69 c == '.' || | |
70 c == '_') | |
71 { | |
72 result.push_back(c); | |
73 lastSpace = false; | |
74 } | |
75 } | |
76 } | |
77 | |
78 return Toolbox::StripSpaces(result); | |
79 } | |
80 | |
81 std::string HierarchicalZipWriter::Index::GetCurrentDirectoryPath() const | |
82 { | |
83 std::string result; | |
84 | |
85 Stack::const_iterator it = stack_.begin(); | |
86 ++it; // Skip the root node (to avoid absolute paths) | |
87 | |
88 while (it != stack_.end()) | |
89 { | |
90 result += (*it)->name_ + "/"; | |
91 ++it; | |
92 } | |
93 | |
94 return result; | |
95 } | |
96 | |
97 std::string HierarchicalZipWriter::Index::EnsureUniqueFilename(const char* filename) | |
98 { | |
99 std::string standardized = KeepAlphanumeric(filename); | |
100 | |
101 Directory& d = *stack_.back(); | |
102 Directory::Content::iterator it = d.content_.find(standardized); | |
103 | |
104 if (it == d.content_.end()) | |
105 { | |
106 d.content_[standardized] = 1; | |
107 return standardized; | |
108 } | |
109 else | |
110 { | |
111 it->second++; | |
112 return standardized + "-" + boost::lexical_cast<std::string>(it->second); | |
113 } | |
114 } | |
115 | |
116 HierarchicalZipWriter::Index::Index() | |
117 { | |
118 stack_.push_back(new Directory); | |
119 } | |
120 | |
121 HierarchicalZipWriter::Index::~Index() | |
122 { | |
123 for (Stack::iterator it = stack_.begin(); it != stack_.end(); ++it) | |
124 { | |
125 delete *it; | |
126 } | |
127 } | |
128 | |
129 std::string HierarchicalZipWriter::Index::OpenFile(const char* name) | |
130 { | |
131 return GetCurrentDirectoryPath() + EnsureUniqueFilename(name); | |
132 } | |
133 | |
134 void HierarchicalZipWriter::Index::OpenDirectory(const char* name) | |
135 { | |
136 std::string d = EnsureUniqueFilename(name); | |
137 | |
138 // Push the new directory onto the stack | |
139 stack_.push_back(new Directory); | |
140 stack_.back()->name_ = d; | |
141 } | |
142 | |
143 void HierarchicalZipWriter::Index::CloseDirectory() | |
144 { | |
145 if (IsRoot()) | |
146 { | |
147 // Cannot close the root node | |
148 throw OrthancException(ErrorCode_BadSequenceOfCalls); | |
149 } | |
150 | |
151 delete stack_.back(); | |
152 stack_.pop_back(); | |
153 } | |
154 | |
155 | |
156 HierarchicalZipWriter::HierarchicalZipWriter(const char* path) | |
157 { | |
158 writer_.SetOutputPath(path); | |
159 writer_.Open(); | |
160 } | |
161 | |
162 HierarchicalZipWriter::~HierarchicalZipWriter() | |
163 { | |
164 writer_.Close(); | |
165 } | |
166 | |
167 void HierarchicalZipWriter::OpenFile(const char* name) | |
168 { | |
169 std::string p = indexer_.OpenFile(name); | |
170 writer_.OpenFile(p.c_str()); | |
171 } | |
172 | |
173 void HierarchicalZipWriter::OpenDirectory(const char* name) | |
174 { | |
175 indexer_.OpenDirectory(name); | |
176 } | |
177 | |
178 void HierarchicalZipWriter::CloseDirectory() | |
179 { | |
180 indexer_.CloseDirectory(); | |
181 } | |
182 } |