Mercurial > hg > orthanc-wsi
comparison Resources/Orthanc/Plugins/Samples/Common/FullOrthancDataset.cpp @ 60:a59fdb848a7b
new files shared with Orthanc
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Fri, 25 Nov 2016 16:38:09 +0100 |
parents | |
children | 147bd6dc28db |
comparison
equal
deleted
inserted
replaced
59:7a3853d51c45 | 60:a59fdb848a7b |
---|---|
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 * | |
6 * This program is free software: you can redistribute it and/or | |
7 * modify it under the terms of the GNU General Public License as | |
8 * published by the Free Software Foundation, either version 3 of the | |
9 * License, or (at your option) any later version. | |
10 * | |
11 * In addition, as a special exception, the copyright holders of this | |
12 * program give permission to link the code of its release with the | |
13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
14 * that use the same license as the "OpenSSL" library), and distribute | |
15 * the linked executables. You must obey the GNU General Public License | |
16 * in all respects for all of the code used other than "OpenSSL". If you | |
17 * modify file(s) with this exception, you may extend this exception to | |
18 * your version of the file(s), but you are not obligated to do so. If | |
19 * you do not wish to do so, delete this exception statement from your | |
20 * version. If you delete this exception statement from all source files | |
21 * in the program, then also delete it here. | |
22 * | |
23 * This program is distributed in the hope that it will be useful, but | |
24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
26 * General Public License for more details. | |
27 * | |
28 * You should have received a copy of the GNU General Public License | |
29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
30 **/ | |
31 | |
32 | |
33 #include "FullOrthancDataset.h" | |
34 | |
35 #include "OrthancPluginCppWrapper.h" | |
36 | |
37 #include <json/reader.h> | |
38 | |
39 namespace OrthancPlugins | |
40 { | |
41 void FullOrthancDataset::Parse(const std::string& source) | |
42 { | |
43 Json::Reader reader; | |
44 | |
45 if (!reader.parse(source, root_) || | |
46 root_.type() != Json::objectValue) | |
47 { | |
48 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); | |
49 } | |
50 } | |
51 | |
52 | |
53 static const Json::Value* AccessTag(const Json::Value& dataset, | |
54 const DicomTag& tag) | |
55 { | |
56 if (dataset.type() != Json::objectValue) | |
57 { | |
58 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); | |
59 } | |
60 | |
61 char name[16]; | |
62 sprintf(name, "%04x,%04x", tag.GetGroup(), tag.GetElement()); | |
63 | |
64 if (!dataset.isMember(name)) | |
65 { | |
66 return NULL; | |
67 } | |
68 | |
69 const Json::Value& value = dataset[name]; | |
70 if (value.type() != Json::objectValue || | |
71 !value.isMember("Name") || | |
72 !value.isMember("Type") || | |
73 !value.isMember("Value") || | |
74 value["Name"].type() != Json::stringValue || | |
75 value["Type"].type() != Json::stringValue) | |
76 { | |
77 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); | |
78 } | |
79 | |
80 return &value; | |
81 } | |
82 | |
83 | |
84 static const Json::Value& GetSequenceContent(const Json::Value& sequence) | |
85 { | |
86 assert(sequence.type() == Json::objectValue); | |
87 assert(sequence.isMember("Type")); | |
88 assert(sequence.isMember("Value")); | |
89 | |
90 const Json::Value& value = sequence["Value"]; | |
91 | |
92 if (sequence["Type"].asString() != "Sequence" || | |
93 value.type() != Json::arrayValue) | |
94 { | |
95 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); | |
96 } | |
97 else | |
98 { | |
99 return value; | |
100 } | |
101 } | |
102 | |
103 | |
104 static bool GetStringInternal(std::string& result, | |
105 const Json::Value& tag) | |
106 { | |
107 assert(tag.type() == Json::objectValue); | |
108 assert(tag.isMember("Type")); | |
109 assert(tag.isMember("Value")); | |
110 | |
111 const Json::Value& value = tag["Value"]; | |
112 | |
113 if (tag["Type"].asString() != "String" || | |
114 value.type() != Json::stringValue) | |
115 { | |
116 ORTHANC_PLUGINS_THROW_EXCEPTION(OrthancPluginErrorCode_BadFileFormat); | |
117 } | |
118 else | |
119 { | |
120 result = value.asString(); | |
121 return true; | |
122 } | |
123 } | |
124 | |
125 | |
126 const Json::Value* FullOrthancDataset::LookupPath(const DicomPath& path) const | |
127 { | |
128 const Json::Value* content = &root_; | |
129 | |
130 for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) | |
131 { | |
132 const Json::Value* sequence = AccessTag(*content, path.GetPrefixTag(depth)); | |
133 if (sequence == NULL) | |
134 { | |
135 return NULL; | |
136 } | |
137 | |
138 const Json::Value& nextContent = GetSequenceContent(*sequence); | |
139 | |
140 size_t index = path.GetPrefixIndex(depth); | |
141 if (index >= nextContent.size()) | |
142 { | |
143 return NULL; | |
144 } | |
145 else | |
146 { | |
147 content = &nextContent[static_cast<Json::Value::ArrayIndex>(index)]; | |
148 } | |
149 } | |
150 | |
151 return AccessTag(*content, path.GetFinalTag()); | |
152 } | |
153 | |
154 | |
155 FullOrthancDataset::FullOrthancDataset(IOrthancConnection& orthanc, | |
156 const std::string& uri) | |
157 { | |
158 std::string content; | |
159 orthanc.RestApiGet(content, uri); | |
160 Parse(content); | |
161 } | |
162 | |
163 | |
164 bool FullOrthancDataset::GetStringValue(std::string& result, | |
165 const DicomPath& path) const | |
166 { | |
167 const Json::Value* value = LookupPath(path); | |
168 | |
169 if (value == NULL) | |
170 { | |
171 return false; | |
172 } | |
173 else | |
174 { | |
175 return GetStringInternal(result, *value); | |
176 } | |
177 } | |
178 | |
179 | |
180 bool FullOrthancDataset::GetSequenceSize(size_t& size, | |
181 const DicomPath& path) const | |
182 { | |
183 const Json::Value* sequence = LookupPath(path); | |
184 | |
185 if (sequence == NULL) | |
186 { | |
187 return false; | |
188 } | |
189 else | |
190 { | |
191 size = GetSequenceContent(*sequence).size(); | |
192 return true; | |
193 } | |
194 } | |
195 } |