Mercurial > hg > orthanc-stone
annotate Resources/Orthanc/Plugins/Samples/Common/DicomDatasetReader.cpp @ 40:7207a407bcd8
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 04 Jan 2017 16:37:42 +0100 |
parents | 517c46f527cd |
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rev | line source |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
40
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5 * Copyright (C) 2017 Osimis, Belgium |
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6 * |
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7 * This program is free software: you can redistribute it and/or |
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8 * modify it under the terms of the GNU General Public License as |
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9 * published by the Free Software Foundation, either version 3 of the |
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10 * License, or (at your option) any later version. |
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11 * |
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12 * In addition, as a special exception, the copyright holders of this |
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13 * program give permission to link the code of its release with the |
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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15 * that use the same license as the "OpenSSL" library), and distribute |
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16 * the linked executables. You must obey the GNU General Public License |
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17 * in all respects for all of the code used other than "OpenSSL". If you |
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18 * modify file(s) with this exception, you may extend this exception to |
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19 * your version of the file(s), but you are not obligated to do so. If |
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20 * you do not wish to do so, delete this exception statement from your |
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21 * version. If you delete this exception statement from all source files |
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22 * in the program, then also delete it here. |
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23 * |
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24 * This program is distributed in the hope that it will be useful, but |
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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27 * General Public License for more details. |
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28 * |
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29 * You should have received a copy of the GNU General Public License |
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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31 **/ |
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32 |
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33 |
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34 #include "DicomDatasetReader.h" |
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35 |
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36 #include "OrthancPluginException.h" |
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37 |
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38 #include <boost/lexical_cast.hpp> |
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39 |
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40 namespace OrthancPlugins |
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41 { |
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42 // This function is copied-pasted from "../../../Core/Toolbox.cpp", |
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43 // in order to avoid the dependency of plugins against the Orthanc core |
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44 static std::string StripSpaces(const std::string& source) |
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45 { |
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46 size_t first = 0; |
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47 |
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48 while (first < source.length() && |
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49 isspace(source[first])) |
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50 { |
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51 first++; |
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52 } |
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53 |
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54 if (first == source.length()) |
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55 { |
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56 // String containing only spaces |
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57 return ""; |
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58 } |
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59 |
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60 size_t last = source.length(); |
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61 while (last > first && |
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62 isspace(source[last - 1])) |
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63 { |
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64 last--; |
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65 } |
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66 |
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67 assert(first <= last); |
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68 return source.substr(first, last - first); |
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69 } |
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70 |
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71 |
32 | 72 DicomDatasetReader::DicomDatasetReader(const IDicomDataset& dataset) : |
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73 dataset_(dataset) |
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74 { |
32 | 75 } |
76 | |
77 | |
78 std::string DicomDatasetReader::GetStringValue(const DicomPath& path, | |
79 const std::string& defaultValue) const | |
80 { | |
81 std::string s; | |
82 if (dataset_.GetStringValue(s, path)) | |
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83 { |
32 | 84 return s; |
85 } | |
86 else | |
87 { | |
88 return defaultValue; | |
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89 } |
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90 } |
32 | 91 |
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92 |
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93 std::string DicomDatasetReader::GetMandatoryStringValue(const DicomPath& path) const |
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94 { |
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95 std::string s; |
32 | 96 if (dataset_.GetStringValue(s, path)) |
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97 { |
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98 return s; |
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99 } |
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100 else |
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101 { |
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102 ORTHANC_PLUGINS_THROW_EXCEPTION(InexistentTag); |
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103 } |
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104 } |
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105 |
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106 |
32 | 107 template <typename T> |
108 static bool GetValueInternal(T& target, | |
109 const IDicomDataset& dataset, | |
110 const DicomPath& path) | |
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111 { |
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112 try |
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113 { |
32 | 114 std::string s; |
115 | |
116 if (dataset.GetStringValue(s, path)) | |
117 { | |
118 target = boost::lexical_cast<T>(StripSpaces(s)); | |
119 return true; | |
120 } | |
121 else | |
122 { | |
123 return false; | |
124 } | |
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125 } |
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126 catch (boost::bad_lexical_cast&) |
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127 { |
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128 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); |
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129 } |
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130 } |
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131 |
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132 |
32 | 133 bool DicomDatasetReader::GetIntegerValue(int& target, |
134 const DicomPath& path) const | |
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135 { |
32 | 136 return GetValueInternal<int>(target, dataset_, path); |
137 } | |
138 | |
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139 |
32 | 140 bool DicomDatasetReader::GetUnsignedIntegerValue(unsigned int& target, |
141 const DicomPath& path) const | |
142 { | |
143 int value; | |
144 | |
145 if (!GetIntegerValue(value, path)) | |
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146 { |
32 | 147 return false; |
148 } | |
149 else if (value >= 0) | |
150 { | |
151 target = static_cast<unsigned int>(value); | |
152 return true; | |
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153 } |
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154 else |
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155 { |
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156 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange); |
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157 } |
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158 } |
32 | 159 |
160 | |
161 bool DicomDatasetReader::GetFloatValue(float& target, | |
162 const DicomPath& path) const | |
163 { | |
164 return GetValueInternal<float>(target, dataset_, path); | |
165 } | |
166 | |
167 | |
168 bool DicomDatasetReader::GetDoubleValue(double& target, | |
169 const DicomPath& path) const | |
170 { | |
171 return GetValueInternal<double>(target, dataset_, path); | |
172 } | |
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173 } |