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1504
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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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5 * Copyright (C) 2017-2020 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 Affero 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 * Affero 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 Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #include "DicomDatasetReader.h"
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23
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24 #include <OrthancException.h>
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25 #include <Toolbox.h>
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26
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27 #include <boost/lexical_cast.hpp>
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28
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29 namespace OrthancStone
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30 {
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31 DicomDatasetReader::DicomDatasetReader(const IDicomDataset& dataset) :
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32 dataset_(dataset)
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33 {
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34 }
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35
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36
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37 std::string DicomDatasetReader::GetStringValue(const DicomPath& path,
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38 const std::string& defaultValue) const
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39 {
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40 std::string s;
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41 if (dataset_.GetStringValue(s, path))
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42 {
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43 return s;
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44 }
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45 else
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46 {
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47 return defaultValue;
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48 }
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49 }
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50
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51
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52 std::string DicomDatasetReader::GetMandatoryStringValue(const DicomPath& path) const
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53 {
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54 std::string s;
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55 if (dataset_.GetStringValue(s, path))
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56 {
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57 return s;
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58 }
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59 else
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60 {
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61 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentTag);
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62 }
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63 }
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64
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65
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66 template <typename T>
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67 static bool GetValueInternal(T& target,
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68 const IDicomDataset& dataset,
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69 const DicomPath& path)
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70 {
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71 try
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72 {
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73 std::string s;
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74
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75 if (dataset.GetStringValue(s, path))
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76 {
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77 target = boost::lexical_cast<T>(Orthanc::Toolbox::StripSpaces(s));
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78 return true;
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79 }
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80 else
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81 {
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82 return false;
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83 }
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84 }
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85 catch (boost::bad_lexical_cast&)
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86 {
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87 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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88 }
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89 }
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90
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91
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92 bool DicomDatasetReader::GetIntegerValue(int& target,
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93 const DicomPath& path) const
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94 {
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95 return GetValueInternal<int>(target, dataset_, path);
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96 }
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97
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98
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99 bool DicomDatasetReader::GetUnsignedIntegerValue(unsigned int& target,
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100 const DicomPath& path) const
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101 {
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102 int value;
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103
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104 if (!GetIntegerValue(value, path))
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105 {
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106 return false;
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107 }
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108 else if (value >= 0)
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109 {
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110 target = static_cast<unsigned int>(value);
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111 return true;
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112 }
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113 else
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114 {
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115 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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116 }
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117 }
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118
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119
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120 bool DicomDatasetReader::GetFloatValue(float& target,
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121 const DicomPath& path) const
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122 {
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123 return GetValueInternal<float>(target, dataset_, path);
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124 }
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125
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126
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127 bool DicomDatasetReader::GetDoubleValue(double& target,
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128 const DicomPath& path) const
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129 {
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130 return GetValueInternal<double>(target, dataset_, path);
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131 }
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132 }
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