annotate OrthancStone/Sources/Toolbox/OrthancDatasets/OrthancNativeDataset.cpp @ 2176:c5f94c10cd61

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 22 Oct 2024 21:59:25 +0200
parents 2410a171ebfb
children
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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) 2017-2023 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Lesser General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Lesser General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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23
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24 #include "OrthancNativeDataset.h"
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25
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26 #include <OrthancException.h>
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27
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29 static const char* const NAME = "Name";
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30 static const char* const TYPE = "Type";
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31 static const char* const VALUE = "Value";
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32
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33
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34 namespace OrthancStone
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35 {
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36 const Json::Value* OrthancNativeDataset::LookupValue(std::string& type,
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37 const Orthanc::DicomPath& path) const
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38 {
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39 if (path.IsPrefixUniversal(0))
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40 {
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41 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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42 }
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43
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44 const Orthanc::DicomValue* rootSequence = dicom_->TestAndGetValue(path.GetPrefixTag(0));
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45 if (rootSequence == NULL ||
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46 !rootSequence->IsSequence())
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47 {
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48 return NULL;
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49 }
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50
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51 Json::ArrayIndex index = path.GetPrefixIndex(0);
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52
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53 if (rootSequence->GetSequenceContent().type() != Json::arrayValue)
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54 {
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55 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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56 }
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57
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58 if (index >= rootSequence->GetSequenceContent().size())
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59 {
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60 return NULL;
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61 }
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62
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63 const Json::Value* current = &(rootSequence->GetSequenceContent() [index]);
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64
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65 for (size_t i = 1; i < path.GetPrefixLength(); i++)
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66 {
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67 if (path.IsPrefixUniversal(i))
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68 {
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69 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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70 }
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71
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72 index = path.GetPrefixIndex(i);
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73 std::string tag = path.GetPrefixTag(i).Format();
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74
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75 if (current->type() != Json::objectValue)
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76 {
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77 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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78 }
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79
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80 if (!current->isMember(tag))
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81 {
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82 return NULL;
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83 }
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84
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85 if ((*current) [tag].type() != Json::objectValue ||
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86 !(*current) [tag].isMember(NAME) ||
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87 !(*current) [tag].isMember(TYPE) ||
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88 !(*current) [tag].isMember(VALUE) ||
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89 (*current) [tag][NAME].type() != Json::stringValue ||
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90 (*current) [tag][TYPE].type() != Json::stringValue)
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91 {
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92 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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93 }
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94
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95 if ((*current) [tag][TYPE].asString() != "Sequence" ||
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96 (*current) [tag][VALUE].type() != Json::arrayValue ||
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97 index >= (*current) [tag][VALUE].size())
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98 {
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99 return NULL;
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100 }
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101
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102 current = &(*current) [tag][VALUE][index];
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103 }
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104
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105 std::string tag = path.GetFinalTag().Format();
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106
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107 if (current->type() != Json::objectValue)
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108 {
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109 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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110 }
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111
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112 if (!current->isMember(tag))
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113 {
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114 return NULL;
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115 }
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116
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117 if ((*current) [tag].type() != Json::objectValue ||
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118 !(*current) [tag].isMember(NAME) ||
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119 !(*current) [tag].isMember(TYPE) ||
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120 !(*current) [tag].isMember(VALUE) ||
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121 (*current) [tag][NAME].type() != Json::stringValue ||
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122 (*current) [tag][TYPE].type() != Json::stringValue)
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123 {
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124 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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125 }
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126 else
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127 {
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128 type = (*current) [tag][TYPE].asString();
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129 return &((*current) [tag][VALUE]);
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130 }
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131 }
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132
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133
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134 OrthancNativeDataset::OrthancNativeDataset(const Json::Value& dicom) :
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135 dicom_(new Orthanc::DicomMap)
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136 {
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137 dicom_->FromDicomAsJson(dicom, false, true /* parse sequences */);
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138 }
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139
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140
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141 bool OrthancNativeDataset::GetStringValue(std::string& result,
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142 const Orthanc::DicomPath& path) const
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143 {
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144 if (path.GetPrefixLength() == 0)
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145 {
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146 return dicom_->LookupStringValue(result, path.GetFinalTag(), false);
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147 }
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148 else
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149 {
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150 std::string type;
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151 const Json::Value* value = LookupValue(type, path);
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152
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153 if (value == NULL)
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154 {
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155 return false;
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156 }
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157 else if (type == "String" &&
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158 value->type() == Json::stringValue)
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159 {
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160 result = value->asString();
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161 return true;
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162 }
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163 else
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164 {
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165 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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166 }
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167 }
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168 }
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169
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170
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171 bool OrthancNativeDataset::GetSequenceSize(size_t& size,
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172 const Orthanc::DicomPath& path) const
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173 {
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174 if (path.GetPrefixLength() == 0)
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175 {
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176 const Orthanc::DicomValue* value = dicom_->TestAndGetValue(path.GetFinalTag());
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177 if (value == NULL ||
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178 !value->IsSequence())
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179 {
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180 return false;
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181 }
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182 else if (value->GetSequenceContent().type() != Json::arrayValue)
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183 {
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184 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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185 }
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186 else
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187 {
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188 size = value->GetSequenceContent().size();
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189 return true;
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190 }
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191 }
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192 else
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193 {
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194 std::string type;
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195 const Json::Value* value = LookupValue(type, path);
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196
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197 if (value == NULL ||
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198 type != "Sequence")
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199 {
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200 return false;
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201 }
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202 else if (value->type() != Json::arrayValue)
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203 {
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204 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat);
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205 }
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206 else
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207 {
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208 size = value->size();
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209 return true;
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diff changeset
210 }
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parents:
diff changeset
211 }
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parents:
diff changeset
212 }
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213 }