Mercurial > hg > orthanc-wsi
annotate Resources/Orthanc/Plugins/Samples/Common/DicomDatasetReader.cpp @ 87:3d83d34cd4db
sync, optimizations
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 16 Dec 2016 16:44:14 +0100 |
parents | 319b8c45c231 |
children | 61e629ce7c94 |
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 |
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5 * |
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6 * This program is free software: you can redistribute it and/or |
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7 * modify it under the terms of the GNU General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "DicomDatasetReader.h" |
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34 |
86 | 35 #include "OrthancPluginException.h" |
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36 |
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37 #include <boost/lexical_cast.hpp> |
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38 |
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39 namespace OrthancPlugins |
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40 { |
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41 // This function is copied-pasted from "../../../Core/Toolbox.cpp", |
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42 // in order to avoid the dependency of plugins against the Orthanc core |
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43 static std::string StripSpaces(const std::string& source) |
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44 { |
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45 size_t first = 0; |
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46 |
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47 while (first < source.length() && |
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48 isspace(source[first])) |
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49 { |
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50 first++; |
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51 } |
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52 |
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53 if (first == source.length()) |
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54 { |
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55 // String containing only spaces |
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56 return ""; |
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57 } |
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58 |
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59 size_t last = source.length(); |
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60 while (last > first && |
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61 isspace(source[last - 1])) |
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62 { |
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63 last--; |
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64 } |
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65 |
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66 assert(first <= last); |
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67 return source.substr(first, last - first); |
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68 } |
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69 |
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70 |
87 | 71 DicomDatasetReader::DicomDatasetReader(const IDicomDataset& dataset) : |
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72 dataset_(dataset) |
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73 { |
87 | 74 } |
75 | |
76 | |
77 std::string DicomDatasetReader::GetStringValue(const DicomPath& path, | |
78 const std::string& defaultValue) const | |
79 { | |
80 std::string s; | |
81 if (dataset_.GetStringValue(s, path)) | |
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82 { |
87 | 83 return s; |
84 } | |
85 else | |
86 { | |
87 return defaultValue; | |
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88 } |
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89 } |
87 | 90 |
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91 |
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92 std::string DicomDatasetReader::GetMandatoryStringValue(const DicomPath& path) const |
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93 { |
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94 std::string s; |
87 | 95 if (dataset_.GetStringValue(s, path)) |
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96 { |
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97 return s; |
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98 } |
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99 else |
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100 { |
86 | 101 ORTHANC_PLUGINS_THROW_EXCEPTION(InexistentTag); |
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102 } |
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103 } |
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104 |
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105 |
87 | 106 template <typename T> |
107 static T GetValueInternal(const IDicomDataset& dataset, | |
108 const DicomPath& path) | |
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109 { |
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110 try |
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111 { |
87 | 112 std::string s; |
113 | |
114 if (dataset.GetStringValue(s, path)) | |
115 { | |
116 return boost::lexical_cast<T>(StripSpaces(s)); | |
117 } | |
118 else | |
119 { | |
120 ORTHANC_PLUGINS_THROW_EXCEPTION(InexistentTag); | |
121 } | |
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122 } |
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123 catch (boost::bad_lexical_cast&) |
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124 { |
86 | 125 ORTHANC_PLUGINS_THROW_EXCEPTION(BadFileFormat); |
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126 } |
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127 } |
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128 |
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129 |
87 | 130 int DicomDatasetReader::GetIntegerValue(const DicomPath& path) const |
131 { | |
132 return GetValueInternal<int>(dataset_, path); | |
133 } | |
134 | |
135 | |
136 unsigned int DicomDatasetReader::GetUnsignedIntegerValue(const DicomPath& path) const | |
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137 { |
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138 int value = GetIntegerValue(path); |
87 | 139 |
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140 if (value >= 0) |
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141 { |
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142 return static_cast<unsigned int>(value); |
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143 } |
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144 else |
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145 { |
86 | 146 ORTHANC_PLUGINS_THROW_EXCEPTION(ParameterOutOfRange); |
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147 } |
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148 } |
87 | 149 |
150 | |
151 float DicomDatasetReader::GetFloatValue(const DicomPath& path) const | |
152 { | |
153 return GetValueInternal<float>(dataset_, path); | |
154 } | |
155 | |
156 | |
157 double DicomDatasetReader::GetDoubleValue(const DicomPath& path) const | |
158 { | |
159 return GetValueInternal<double>(dataset_, path); | |
160 } | |
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161 } |