1795
|
1 /**
|
|
2 * Orthanc - A Lightweight, RESTful DICOM Store
|
|
3 * Copyright (C) 2012-2015 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 "../PrecompiledHeadersServer.h"
|
|
34 #include "HierarchicalMatcher.h"
|
|
35
|
|
36 #include "../../Core/OrthancException.h"
|
|
37 #include "../FromDcmtkBridge.h"
|
|
38
|
|
39 #include <dcmtk/dcmdata/dcfilefo.h>
|
|
40
|
|
41 namespace Orthanc
|
|
42 {
|
|
43 HierarchicalMatcher::HierarchicalMatcher(ParsedDicomFile& query,
|
|
44 bool caseSensitivePN)
|
|
45 {
|
|
46 Setup(*query.GetDcmtkObject().getDataset(),
|
|
47 caseSensitivePN,
|
|
48 query.GetEncoding());
|
|
49 }
|
|
50
|
|
51
|
|
52 HierarchicalMatcher::~HierarchicalMatcher()
|
|
53 {
|
|
54 for (Constraints::iterator it = constraints_.begin();
|
|
55 it != constraints_.end(); ++it)
|
|
56 {
|
|
57 if (it->second != NULL)
|
|
58 {
|
|
59 delete it->second;
|
|
60 }
|
|
61 }
|
|
62
|
|
63 for (Sequences::iterator it = sequences_.begin();
|
|
64 it != sequences_.end(); ++it)
|
|
65 {
|
|
66 if (it->second != NULL)
|
|
67 {
|
|
68 delete it->second;
|
|
69 }
|
|
70 }
|
|
71 }
|
|
72
|
|
73
|
|
74 void HierarchicalMatcher::Setup(DcmItem& dataset,
|
|
75 bool caseSensitivePN,
|
|
76 Encoding encoding)
|
|
77 {
|
|
78 for (unsigned long i = 0; i < dataset.card(); i++)
|
|
79 {
|
|
80 DcmElement* element = dataset.getElement(i);
|
|
81 if (element == NULL)
|
|
82 {
|
|
83 throw OrthancException(ErrorCode_InternalError);
|
|
84 }
|
|
85
|
|
86 DicomTag tag(FromDcmtkBridge::Convert(element->getTag()));
|
|
87 ValueRepresentation vr = FromDcmtkBridge::GetValueRepresentation(tag);
|
|
88
|
|
89 if (constraints_.find(tag) != constraints_.end() ||
|
|
90 sequences_.find(tag) != sequences_.end())
|
|
91 {
|
|
92 throw OrthancException(ErrorCode_BadRequest);
|
|
93 }
|
|
94
|
|
95 if (vr == ValueRepresentation_Sequence)
|
|
96 {
|
|
97 DcmSequenceOfItems& sequence = dynamic_cast<DcmSequenceOfItems&>(*element);
|
|
98
|
|
99 if (sequence.card() == 0 ||
|
|
100 (sequence.card() == 1 && sequence.getItem(0)->card() == 0))
|
|
101 {
|
|
102 // Universal matching of a sequence
|
|
103 sequences_[tag] = NULL;
|
|
104 }
|
|
105 else if (sequence.card() == 1)
|
|
106 {
|
|
107 sequences_[tag] = new HierarchicalMatcher(*sequence.getItem(0), caseSensitivePN, encoding);
|
|
108 }
|
|
109 else
|
|
110 {
|
|
111 throw OrthancException(ErrorCode_BadRequest);
|
|
112 }
|
|
113 }
|
|
114 else
|
|
115 {
|
|
116 std::auto_ptr<DicomValue> value(FromDcmtkBridge::ConvertLeafElement
|
|
117 (*element, DicomToJsonFlags_None, encoding));
|
|
118
|
|
119 if (value->IsBinary() ||
|
|
120 value->IsNull())
|
|
121 {
|
|
122 throw OrthancException(ErrorCode_BadRequest);
|
|
123 }
|
|
124 else if (value->GetContent().empty())
|
|
125 {
|
|
126 // This is an universal matcher
|
|
127 constraints_[tag] = NULL;
|
|
128 }
|
|
129 else
|
|
130 {
|
|
131 // DICOM specifies that searches must be case sensitive, except
|
|
132 // for tags with a PN value representation
|
|
133 bool sensitive = true;
|
|
134 if (vr == ValueRepresentation_PatientName)
|
|
135 {
|
|
136 sensitive = caseSensitivePN;
|
|
137 }
|
|
138
|
|
139 constraints_[tag] = IFindConstraint::ParseDicomConstraint(tag, value->GetContent(), sensitive);
|
|
140 }
|
|
141 }
|
|
142 }
|
|
143 }
|
|
144
|
|
145
|
|
146 std::string HierarchicalMatcher::Format(const std::string& prefix) const
|
|
147 {
|
|
148 std::string s;
|
|
149
|
|
150 for (Constraints::const_iterator it = constraints_.begin();
|
|
151 it != constraints_.end(); ++it)
|
|
152 {
|
|
153 s += prefix + it->first.Format() + " ";
|
|
154
|
|
155 if (it->second == NULL)
|
|
156 {
|
|
157 s += "*\n";
|
|
158 }
|
|
159 else
|
|
160 {
|
|
161 s += it->second->Format() + "\n";
|
|
162 }
|
|
163 }
|
|
164
|
|
165 for (Sequences::const_iterator it = sequences_.begin();
|
|
166 it != sequences_.end(); ++it)
|
|
167 {
|
|
168 s += prefix + it->first.Format() + " ";
|
|
169
|
|
170 if (it->second == NULL)
|
|
171 {
|
|
172 s += "*\n";
|
|
173 }
|
|
174 else
|
|
175 {
|
|
176 s += "Sequence:\n" + it->second->Format(prefix + " ");
|
|
177 }
|
|
178 }
|
|
179
|
|
180 return s;
|
|
181 }
|
|
182 }
|