4681
|
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) 2017-2021 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 Lesser 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 * Lesser General Public License for more details.
|
|
16 *
|
|
17 * You should have received a copy of the GNU Lesser General Public
|
|
18 * License along with this program. If not, see
|
|
19 * <http://www.gnu.org/licenses/>.
|
|
20 **/
|
|
21
|
|
22
|
|
23 #include "../PrecompiledHeaders.h"
|
|
24 #include "DicomPath.h"
|
|
25
|
|
26
|
|
27 #if !defined(ORTHANC_ENABLE_DCMTK)
|
|
28 # error Macro ORTHANC_ENABLE_DCMTK must be defined
|
|
29 #endif
|
|
30
|
|
31 #if ORTHANC_ENABLE_DCMTK == 1
|
|
32 # include "../DicomParsing/FromDcmtkBridge.h"
|
|
33 #endif
|
|
34
|
|
35 #include "../OrthancException.h"
|
|
36 #include "../Toolbox.h"
|
|
37
|
|
38 #include <boost/lexical_cast.hpp>
|
|
39
|
|
40
|
|
41 namespace Orthanc
|
|
42 {
|
|
43 DicomPath::PrefixItem::PrefixItem(DicomTag tag,
|
|
44 bool isUniversal,
|
|
45 size_t index) :
|
|
46 tag_(tag),
|
|
47 isUniversal_(isUniversal),
|
|
48 index_(index)
|
|
49 {
|
|
50 }
|
|
51
|
|
52
|
|
53 size_t DicomPath::PrefixItem::GetIndex() const
|
|
54 {
|
|
55 if (isUniversal_)
|
|
56 {
|
|
57 throw OrthancException(ErrorCode_BadSequenceOfCalls);
|
|
58 }
|
|
59 else
|
|
60 {
|
|
61 return index_;
|
|
62 }
|
|
63 }
|
|
64
|
|
65
|
|
66 DicomTag DicomPath::ParseTag(const std::string& token)
|
|
67 {
|
|
68 DicomTag tag(0,0);
|
|
69
|
|
70 if (token[0] == '(' &&
|
|
71 token[token.size() - 1] == ')')
|
|
72 {
|
|
73 std::string hex = token.substr(1, token.size() - 2);
|
|
74 if (!DicomTag::ParseHexadecimal(tag, hex.c_str()))
|
|
75 {
|
|
76 throw OrthancException(ErrorCode_UnknownDicomTag, "Cannot parse tag: " + token);
|
|
77 }
|
|
78 }
|
|
79 else
|
|
80 {
|
|
81 #if ORTHANC_ENABLE_DCMTK == 1
|
|
82 tag = FromDcmtkBridge::ParseTag(token);
|
|
83 #else
|
|
84 if (!DicomTag::ParseHexadecimal(tag, token.c_str()))
|
|
85 {
|
|
86 throw OrthancException(ErrorCode_UnknownDicomTag, "Cannot parse tag without DCMTK: " + token);
|
|
87 }
|
|
88 #endif
|
|
89 }
|
|
90
|
|
91 return tag;
|
|
92 }
|
|
93
|
|
94
|
|
95 const DicomPath::PrefixItem& DicomPath::GetLevel(size_t i) const
|
|
96 {
|
|
97 if (i >= prefix_.size())
|
|
98 {
|
|
99 throw OrthancException(ErrorCode_ParameterOutOfRange);
|
|
100 }
|
|
101 else
|
|
102 {
|
|
103 return prefix_[i];
|
|
104 }
|
|
105 }
|
|
106
|
|
107
|
|
108 DicomPath::DicomPath(const Orthanc::DicomTag& sequence,
|
|
109 size_t index,
|
|
110 const Orthanc::DicomTag& tag) :
|
|
111 finalTag_(tag)
|
|
112 {
|
|
113 AddIndexedTagToPrefix(sequence, index);
|
|
114 }
|
|
115
|
|
116
|
|
117 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1,
|
|
118 size_t index1,
|
|
119 const Orthanc::DicomTag& sequence2,
|
|
120 size_t index2,
|
|
121 const Orthanc::DicomTag& tag) :
|
|
122 finalTag_(tag)
|
|
123 {
|
|
124 AddIndexedTagToPrefix(sequence1, index1);
|
|
125 AddIndexedTagToPrefix(sequence2, index2);
|
|
126 }
|
|
127
|
|
128
|
|
129 DicomPath::DicomPath(const Orthanc::DicomTag& sequence1,
|
|
130 size_t index1,
|
|
131 const Orthanc::DicomTag& sequence2,
|
|
132 size_t index2,
|
|
133 const Orthanc::DicomTag& sequence3,
|
|
134 size_t index3,
|
|
135 const Orthanc::DicomTag& tag) :
|
|
136 finalTag_(tag)
|
|
137 {
|
|
138 AddIndexedTagToPrefix(sequence1, index1);
|
|
139 AddIndexedTagToPrefix(sequence2, index2);
|
|
140 AddIndexedTagToPrefix(sequence3, index3);
|
|
141 }
|
|
142
|
|
143
|
|
144 void DicomPath::AddIndexedTagToPrefix(const Orthanc::DicomTag& tag,
|
|
145 size_t index)
|
|
146 {
|
|
147 prefix_.push_back(PrefixItem::CreateIndexed(tag, index));
|
|
148 }
|
|
149
|
|
150
|
|
151 void DicomPath::AddUniversalTagToPrefix(const Orthanc::DicomTag& tag)
|
|
152 {
|
|
153 prefix_.push_back(PrefixItem::CreateUniversal(tag));
|
|
154 }
|
|
155
|
|
156
|
|
157 std::string DicomPath::Format() const
|
|
158 {
|
|
159 std::string s;
|
|
160
|
|
161 for (size_t i = 0; i < prefix_.size(); i++)
|
|
162 {
|
|
163 s += "(" + prefix_[i].GetTag().Format() + ")";
|
|
164
|
|
165 if (prefix_[i].IsUniversal())
|
|
166 {
|
|
167 s += "[*].";
|
|
168 }
|
|
169 else
|
|
170 {
|
|
171 s += "[" + boost::lexical_cast<std::string>(prefix_[i].GetIndex()) + "].";
|
|
172 }
|
|
173 }
|
|
174
|
|
175 return s + "(" + finalTag_.Format() + ")";
|
|
176 }
|
|
177
|
|
178
|
|
179 DicomPath DicomPath::Parse(const std::string& s,
|
|
180 bool allowUniversal)
|
|
181 {
|
|
182 std::vector<std::string> tokens;
|
|
183 Toolbox::TokenizeString(tokens, s, '.');
|
|
184
|
|
185 if (tokens.empty())
|
|
186 {
|
|
187 throw OrthancException(ErrorCode_ParameterOutOfRange, "Empty path to DICOM tags");
|
|
188 }
|
|
189
|
|
190 const DicomTag finalTag = ParseTag(Toolbox::StripSpaces(tokens[tokens.size() - 1]));
|
|
191
|
|
192 DicomPath path(finalTag);
|
|
193
|
|
194 for (size_t i = 0; i < tokens.size() - 1; i++)
|
|
195 {
|
|
196 size_t pos = tokens[i].find('[');
|
|
197 if (pos == std::string::npos)
|
|
198 {
|
|
199 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain an index");
|
|
200 }
|
|
201 else
|
|
202 {
|
|
203 const std::string left = Orthanc::Toolbox::StripSpaces(tokens[i].substr(0, pos));
|
|
204 const std::string right = Orthanc::Toolbox::StripSpaces(tokens[i].substr(pos + 1));
|
|
205
|
|
206 if (left.empty())
|
|
207 {
|
|
208 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain a tag");
|
|
209 }
|
|
210 else if (right.empty() ||
|
|
211 right[right.size() - 1] != ']')
|
|
212 {
|
|
213 throw OrthancException(ErrorCode_ParameterOutOfRange, "Parent path doesn't contain the end of the index");
|
|
214 }
|
|
215 else
|
|
216 {
|
|
217 DicomTag tag = ParseTag(left);
|
|
218
|
|
219 try
|
|
220 {
|
|
221 std::string s = Toolbox::StripSpaces(right.substr(0, right.size() - 1));
|
|
222 if (s == "*")
|
|
223 {
|
|
224 if (allowUniversal)
|
|
225 {
|
|
226 path.AddUniversalTagToPrefix(tag);
|
|
227 }
|
|
228 else
|
|
229 {
|
|
230 throw OrthancException(ErrorCode_ParameterOutOfRange, "Cannot create an universal parent path");
|
|
231 }
|
|
232 }
|
|
233 else
|
|
234 {
|
|
235 int index = boost::lexical_cast<int>(s);
|
|
236 if (index < 0)
|
|
237 {
|
|
238 throw OrthancException(ErrorCode_ParameterOutOfRange, "Negative index in parent path: " + s);
|
|
239 }
|
|
240 else
|
|
241 {
|
|
242 path.AddIndexedTagToPrefix(tag, static_cast<size_t>(index));
|
|
243 }
|
|
244 }
|
|
245 }
|
|
246 catch (boost::bad_lexical_cast&)
|
|
247 {
|
|
248 throw OrthancException(ErrorCode_ParameterOutOfRange, "Not a valid index in parent path: [" + right);
|
|
249 }
|
|
250 }
|
|
251 }
|
|
252 }
|
|
253
|
|
254 return path;
|
|
255 }
|
|
256 }
|