Mercurial > hg > orthanc-stone
comparison Framework/Toolbox/OrthancDatasets/FullOrthancDataset.cpp @ 1504:d8af188ab545
sync
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 30 Jun 2020 20:35:16 +0200 |
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1503:553084468225 | 1504:d8af188ab545 |
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1 /** | |
2 * Stone of Orthanc | |
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 Affero General Public License | |
9 * as published by the Free Software Foundation, either version 3 of | |
10 * the License, or (at your option) any later version. | |
11 * | |
12 * This program is distributed in the hope that it will be useful, but | |
13 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 * Affero General Public License for more details. | |
16 * | |
17 * You should have received a copy of the GNU Affero General Public License | |
18 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
19 **/ | |
20 | |
21 | |
22 #include "FullOrthancDataset.h" | |
23 | |
24 #include <OrthancException.h> | |
25 | |
26 #include <stdio.h> | |
27 #include <cassert> | |
28 | |
29 namespace OrthancStone | |
30 { | |
31 static const Json::Value* AccessTag(const Json::Value& dataset, | |
32 const Orthanc::DicomTag& tag) | |
33 { | |
34 if (dataset.type() != Json::objectValue) | |
35 { | |
36 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
37 } | |
38 | |
39 char name[16]; | |
40 sprintf(name, "%04x,%04x", tag.GetGroup(), tag.GetElement()); | |
41 | |
42 if (!dataset.isMember(name)) | |
43 { | |
44 return NULL; | |
45 } | |
46 | |
47 const Json::Value& value = dataset[name]; | |
48 if (value.type() != Json::objectValue || | |
49 !value.isMember("Name") || | |
50 !value.isMember("Type") || | |
51 !value.isMember("Value") || | |
52 value["Name"].type() != Json::stringValue || | |
53 value["Type"].type() != Json::stringValue) | |
54 { | |
55 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
56 } | |
57 | |
58 return &value; | |
59 } | |
60 | |
61 | |
62 static const Json::Value& GetSequenceContent(const Json::Value& sequence) | |
63 { | |
64 assert(sequence.type() == Json::objectValue); | |
65 assert(sequence.isMember("Type")); | |
66 assert(sequence.isMember("Value")); | |
67 | |
68 const Json::Value& value = sequence["Value"]; | |
69 | |
70 if (sequence["Type"].asString() != "Sequence" || | |
71 value.type() != Json::arrayValue) | |
72 { | |
73 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
74 } | |
75 else | |
76 { | |
77 return value; | |
78 } | |
79 } | |
80 | |
81 | |
82 static bool GetStringInternal(std::string& result, | |
83 const Json::Value& tag) | |
84 { | |
85 assert(tag.type() == Json::objectValue); | |
86 assert(tag.isMember("Type")); | |
87 assert(tag.isMember("Value")); | |
88 | |
89 const Json::Value& value = tag["Value"]; | |
90 | |
91 if (tag["Type"].asString() != "String" || | |
92 value.type() != Json::stringValue) | |
93 { | |
94 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
95 } | |
96 else | |
97 { | |
98 result = value.asString(); | |
99 return true; | |
100 } | |
101 } | |
102 | |
103 | |
104 const Json::Value* FullOrthancDataset::LookupPath(const DicomPath& path) const | |
105 { | |
106 const Json::Value* content = &root_; | |
107 | |
108 for (unsigned int depth = 0; depth < path.GetPrefixLength(); depth++) | |
109 { | |
110 const Json::Value* sequence = AccessTag(*content, path.GetPrefixTag(depth)); | |
111 if (sequence == NULL) | |
112 { | |
113 return NULL; | |
114 } | |
115 | |
116 const Json::Value& nextContent = GetSequenceContent(*sequence); | |
117 | |
118 size_t index = path.GetPrefixIndex(depth); | |
119 if (index >= nextContent.size()) | |
120 { | |
121 return NULL; | |
122 } | |
123 else | |
124 { | |
125 content = &nextContent[static_cast<Json::Value::ArrayIndex>(index)]; | |
126 } | |
127 } | |
128 | |
129 return AccessTag(*content, path.GetFinalTag()); | |
130 } | |
131 | |
132 | |
133 void FullOrthancDataset::CheckRoot() const | |
134 { | |
135 if (root_.type() != Json::objectValue) | |
136 { | |
137 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
138 } | |
139 } | |
140 | |
141 | |
142 FullOrthancDataset::FullOrthancDataset(IOrthancConnection& orthanc, | |
143 const std::string& uri) | |
144 { | |
145 IOrthancConnection::RestApiGet(root_, orthanc, uri); | |
146 CheckRoot(); | |
147 } | |
148 | |
149 | |
150 FullOrthancDataset::FullOrthancDataset(const std::string& content) | |
151 { | |
152 IOrthancConnection::ParseJson(root_, content); | |
153 CheckRoot(); | |
154 } | |
155 | |
156 | |
157 FullOrthancDataset::FullOrthancDataset(const void* content, | |
158 size_t size) | |
159 { | |
160 IOrthancConnection::ParseJson(root_, content, size); | |
161 CheckRoot(); | |
162 } | |
163 | |
164 | |
165 FullOrthancDataset::FullOrthancDataset(const Json::Value& root) : | |
166 root_(root) | |
167 { | |
168 CheckRoot(); | |
169 } | |
170 | |
171 | |
172 bool FullOrthancDataset::GetStringValue(std::string& result, | |
173 const DicomPath& path) const | |
174 { | |
175 const Json::Value* value = LookupPath(path); | |
176 | |
177 if (value == NULL) | |
178 { | |
179 return false; | |
180 } | |
181 else | |
182 { | |
183 return GetStringInternal(result, *value); | |
184 } | |
185 } | |
186 | |
187 | |
188 bool FullOrthancDataset::GetSequenceSize(size_t& size, | |
189 const DicomPath& path) const | |
190 { | |
191 const Json::Value* sequence = LookupPath(path); | |
192 | |
193 if (sequence == NULL) | |
194 { | |
195 return false; | |
196 } | |
197 else | |
198 { | |
199 size = GetSequenceContent(*sequence).size(); | |
200 return true; | |
201 } | |
202 } | |
203 } |