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annotate Resources/Orthanc/Stone/DicomDatasetReader.cpp @ 246:793b8f9c9d52

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 07 Dec 2021 12:01:56 +0100
parents bab966288abe
children 20a730889ae2
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1 /**
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2 * Stone of Orthanc
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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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1e864138f0da upgrade to year 2021
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5 * Copyright (C) 2017-2021 Osimis S.A., 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 Lesser General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Lesser General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Lesser General Public
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18 * License along with this program. If not, see
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19 * <http://www.gnu.org/licenses/>.
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20 **/
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23 #include "DicomDatasetReader.h"
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24
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25 #include <OrthancException.h>
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26 #include <Toolbox.h>
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27
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28 #include <boost/lexical_cast.hpp>
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29
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30 namespace OrthancStone
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31 {
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32 DicomDatasetReader::DicomDatasetReader(const IDicomDataset& dataset) :
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33 dataset_(dataset)
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34 {
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35 }
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37
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38 std::string DicomDatasetReader::GetStringValue(const Orthanc::DicomPath& path,
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39 const std::string& defaultValue) const
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40 {
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41 std::string s;
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42 if (dataset_.GetStringValue(s, path))
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43 {
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44 return s;
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45 }
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46 else
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47 {
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48 return defaultValue;
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49 }
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50 }
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52
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53 std::string DicomDatasetReader::GetMandatoryStringValue(const Orthanc::DicomPath& path) const
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54 {
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55 std::string s;
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56 if (dataset_.GetStringValue(s, path))
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57 {
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58 return s;
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59 }
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60 else
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61 {
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62 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag);
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63 }
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64 }
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65
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66
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67 template <typename T>
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68 static bool GetValueInternal(T& target,
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69 const IDicomDataset& dataset,
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70 const Orthanc::DicomPath& path)
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71 {
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72 try
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73 {
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74 std::string s;
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75
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76 if (dataset.GetStringValue(s, path))
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77 {
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78 target = boost::lexical_cast<T>(Orthanc::Toolbox::StripSpaces(s));
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79 return true;
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80 }
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81 else
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82 {
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83 return false;
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84 }
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85 }
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86 catch (boost::bad_lexical_cast&)
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87 {
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88 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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89 }
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90 }
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91
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92
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93 bool DicomDatasetReader::GetIntegerValue(int& target,
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94 const Orthanc::DicomPath& path) const
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95 {
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96 return GetValueInternal<int>(target, dataset_, path);
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97 }
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98
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99
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100 bool DicomDatasetReader::GetUnsignedIntegerValue(unsigned int& target,
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101 const Orthanc::DicomPath& path) const
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102 {
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103 int value;
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104
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105 if (!GetIntegerValue(value, path))
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106 {
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107 return false;
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108 }
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109 else if (value >= 0)
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110 {
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111 target = static_cast<unsigned int>(value);
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112 return true;
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113 }
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114 else
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115 {
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116 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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117 }
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118 }
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120
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121 bool DicomDatasetReader::GetFloatValue(float& target,
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122 const Orthanc::DicomPath& path) const
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123 {
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124 return GetValueInternal<float>(target, dataset_, path);
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125 }
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126
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127
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128 bool DicomDatasetReader::GetDoubleValue(double& target,
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129 const Orthanc::DicomPath& path) const
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130 {
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131 return GetValueInternal<double>(target, dataset_, path);
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132 }
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133 }