Mercurial > hg > orthanc-stone
comparison Resources/Orthanc/Plugins/Samples/Common/DicomDatasetReader.cpp @ 31:9aace933cb64
sharing code with the Orthanc core
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 16 Dec 2016 15:41:20 +0100 |
parents | |
children | 517c46f527cd |
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30:1099a148f7e5 | 31:9aace933cb64 |
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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 * | |
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 "DicomDatasetReader.h" | |
34 | |
35 #include "OrthancPluginException.h" | |
36 | |
37 #include <boost/lexical_cast.hpp> | |
38 | |
39 namespace OrthancPlugins | |
40 { | |
41 // This function is copied-pasted from "../../../Core/Toolbox.cpp", | |
42 // in order to avoid the dependency of plugins against the Orthanc core | |
43 static std::string StripSpaces(const std::string& source) | |
44 { | |
45 size_t first = 0; | |
46 | |
47 while (first < source.length() && | |
48 isspace(source[first])) | |
49 { | |
50 first++; | |
51 } | |
52 | |
53 if (first == source.length()) | |
54 { | |
55 // String containing only spaces | |
56 return ""; | |
57 } | |
58 | |
59 size_t last = source.length(); | |
60 while (last > first && | |
61 isspace(source[last - 1])) | |
62 { | |
63 last--; | |
64 } | |
65 | |
66 assert(first <= last); | |
67 return source.substr(first, last - first); | |
68 } | |
69 | |
70 | |
71 DicomDatasetReader::DicomDatasetReader(IDicomDataset* dataset) : // takes ownership | |
72 dataset_(dataset) | |
73 { | |
74 if (dataset == NULL) | |
75 { | |
76 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange); | |
77 } | |
78 } | |
79 | |
80 | |
81 std::string DicomDatasetReader::GetMandatoryStringValue(const DicomPath& path) const | |
82 { | |
83 std::string s; | |
84 if (dataset_->GetStringValue(s, path)) | |
85 { | |
86 return s; | |
87 } | |
88 else | |
89 { | |
90 ORTHANC_PLUGINS_THROW_EXCEPTION(InexistentTag); | |
91 } | |
92 } | |
93 | |
94 | |
95 int DicomDatasetReader::GetIntegerValue(const DicomPath& path) | |
96 { | |
97 try | |
98 { | |
99 std::string s = StripSpaces(GetMandatoryStringValue(path)); | |
100 return boost::lexical_cast<int>(s); | |
101 } | |
102 catch (boost::bad_lexical_cast&) | |
103 { | |
104 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); | |
105 } | |
106 } | |
107 | |
108 | |
109 unsigned int DicomDatasetReader::GetUnsignedIntegerValue(const DicomPath& path) | |
110 { | |
111 int value = GetIntegerValue(path); | |
112 | |
113 if (value >= 0) | |
114 { | |
115 return static_cast<unsigned int>(value); | |
116 } | |
117 else | |
118 { | |
119 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange); | |
120 } | |
121 } | |
122 } |