Mercurial > hg > orthanc
comparison OrthancServer/Plugins/Samples/Common/FullOrthancDataset.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 | Plugins/Samples/Common/FullOrthancDataset.cpp@94f4a18a79cc |
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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 "FullOrthancDataset.h" | |
35 | |
36 #include "OrthancPluginException.h" | |
37 | |
38 #include <stdio.h> | |
39 #include <cassert> | |
40 | |
41 namespace OrthancPlugins | |
42 { | |
43 static const Json::Value* AccessTag(const Json::Value& dataset, | |
44 const DicomTag& tag) | |
45 { | |
46 if (dataset.type() != Json::objectValue) | |
47 { | |
48 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); | |
49 } | |
50 | |
51 char name[16]; | |
52 sprintf(name, "%04x,%04x", tag.GetGroup(), tag.GetElement()); | |
53 | |
54 if (!dataset.isMember(name)) | |
55 { | |
56 return NULL; | |
57 } | |
58 | |
59 const Json::Value& value = dataset[name]; | |
60 if (value.type() != Json::objectValue || | |
61 !value.isMember("Name") || | |
62 !value.isMember("Type") || | |
63 !value.isMember("Value") || | |
64 value["Name"].type() != Json::stringValue || | |
65 value["Type"].type() != Json::stringValue) | |
66 { | |
67 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); | |
68 } | |
69 | |
70 return &value; | |
71 } | |
72 | |
73 | |
74 static const Json::Value& GetSequenceContent(const Json::Value& sequence) | |
75 { | |
76 assert(sequence.type() == Json::objectValue); | |
77 assert(sequence.isMember("Type")); | |
78 assert(sequence.isMember("Value")); | |
79 | |
80 const Json::Value& value = sequence["Value"]; | |
81 | |
82 if (sequence["Type"].asString() != "Sequence" || | |
83 value.type() != Json::arrayValue) | |
84 { | |
85 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); | |
86 } | |
87 else | |
88 { | |
89 return value; | |
90 } | |
91 } | |
92 | |
93 | |
94 static bool GetStringInternal(std::string& result, | |
95 const Json::Value& tag) | |
96 { | |
97 assert(tag.type() == Json::objectValue); | |
98 assert(tag.isMember("Type")); | |
99 assert(tag.isMember("Value")); | |
100 | |
101 const Json::Value& value = tag["Value"]; | |
102 | |
103 if (tag["Type"].asString() != "String" || | |
104 value.type() != Json::stringValue) | |
105 { | |
106 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); | |
107 } | |
108 else | |
109 { | |
110 result = value.asString(); | |
111 return true; | |
112 } | |
113 } | |
114 | |
115 | |
116 const Json::Value* FullOrthancDataset::LookupPath(const DicomPath& path) const | |
117 { | |
118 const Json::Value* content = &root_; | |
119 | |
120 for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) | |
121 { | |
122 const Json::Value* sequence = AccessTag(*content, path.GetPrefixTag(depth)); | |
123 if (sequence == NULL) | |
124 { | |
125 return NULL; | |
126 } | |
127 | |
128 const Json::Value& nextContent = GetSequenceContent(*sequence); | |
129 | |
130 size_t index = path.GetPrefixIndex(depth); | |
131 if (index >= nextContent.size()) | |
132 { | |
133 return NULL; | |
134 } | |
135 else | |
136 { | |
137 content = &nextContent[static_cast<Json::Value::ArrayIndex>(index)]; | |
138 } | |
139 } | |
140 | |
141 return AccessTag(*content, path.GetFinalTag()); | |
142 } | |
143 | |
144 | |
145 void FullOrthancDataset::CheckRoot() const | |
146 { | |
147 if (root_.type() != Json::objectValue) | |
148 { | |
149 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); | |
150 } | |
151 } | |
152 | |
153 | |
154 FullOrthancDataset::FullOrthancDataset(IOrthancConnection& orthanc, | |
155 const std::string& uri) | |
156 { | |
157 IOrthancConnection::RestApiGet(root_, orthanc, uri); | |
158 CheckRoot(); | |
159 } | |
160 | |
161 | |
162 FullOrthancDataset::FullOrthancDataset(const std::string& content) | |
163 { | |
164 IOrthancConnection::ParseJson(root_, content); | |
165 CheckRoot(); | |
166 } | |
167 | |
168 | |
169 FullOrthancDataset::FullOrthancDataset(const void* content, | |
170 size_t size) | |
171 { | |
172 IOrthancConnection::ParseJson(root_, content, size); | |
173 CheckRoot(); | |
174 } | |
175 | |
176 | |
177 FullOrthancDataset::FullOrthancDataset(const Json::Value& root) : | |
178 root_(root) | |
179 { | |
180 CheckRoot(); | |
181 } | |
182 | |
183 | |
184 bool FullOrthancDataset::GetStringValue(std::string& result, | |
185 const DicomPath& path) const | |
186 { | |
187 const Json::Value* value = LookupPath(path); | |
188 | |
189 if (value == NULL) | |
190 { | |
191 return false; | |
192 } | |
193 else | |
194 { | |
195 return GetStringInternal(result, *value); | |
196 } | |
197 } | |
198 | |
199 | |
200 bool FullOrthancDataset::GetSequenceSize(size_t& size, | |
201 const DicomPath& path) const | |
202 { | |
203 const Json::Value* sequence = LookupPath(path); | |
204 | |
205 if (sequence == NULL) | |
206 { | |
207 return false; | |
208 } | |
209 else | |
210 { | |
211 size = GetSequenceContent(*sequence).size(); | |
212 return true; | |
213 } | |
214 } | |
215 } |