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annotate OrthancServer/DicomInstanceToStore.cpp @ 2807:6356e2ceb493

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Fix issue #99 (PamWriter test segfaults on alpine linux with gcc 6.4.0)
author Sebastien Jodogne <s.jodogne@gmail.com>
date Tue, 04 Sep 2018 15:58:26 +0200
parents c691fcf66071
children a27b0e9a3fd9
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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 * Copyright (C) 2017-2018 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 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 "PrecompiledHeadersServer.h"
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35 #include "DicomInstanceToStore.h"
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36
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37 #include "../Core/DicomParsing/FromDcmtkBridge.h"
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38 #include "../Core/Logging.h"
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39
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40 #include <dcmtk/dcmdata/dcfilefo.h>
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41 #include <dcmtk/dcmdata/dcdeftag.h>
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42
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43
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44 namespace Orthanc
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45 {
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46 void DicomInstanceToStore::AddMetadata(ResourceType level,
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47 MetadataType metadata,
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48 const std::string& value)
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49 {
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50 metadata_[std::make_pair(level, metadata)] = value;
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51 }
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52
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53
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54 void DicomInstanceToStore::ComputeMissingInformation()
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55 {
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56 if (buffer_.HasContent() &&
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57 summary_.HasContent() &&
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58 json_.HasContent())
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59 {
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60 // Fine, everything is available
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61 return;
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62 }
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63
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64 if (!buffer_.HasContent())
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65 {
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66 if (!parsed_.HasContent())
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67 {
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68 if (!summary_.HasContent())
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69 {
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70 throw OrthancException(ErrorCode_NotImplemented);
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71 }
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72 else
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73 {
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74 parsed_.TakeOwnership(new ParsedDicomFile(summary_.GetConstContent()));
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75 }
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76 }
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77
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78 // Serialize the parsed DICOM file
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79 buffer_.Allocate();
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80 if (!FromDcmtkBridge::SaveToMemoryBuffer(buffer_.GetContent(),
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81 *parsed_.GetContent().GetDcmtkObject().getDataset()))
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82 {
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83 LOG(ERROR) << "Unable to serialize a DICOM file to a memory buffer";
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84 throw OrthancException(ErrorCode_InternalError);
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85 }
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86 }
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87
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88 if (summary_.HasContent() &&
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89 json_.HasContent())
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90 {
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91 return;
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92 }
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93
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94 // At this point, we know that the DICOM file is available as a
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95 // memory buffer, but that its summary or its JSON version is
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96 // missing
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97
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98 if (!parsed_.HasContent())
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99 {
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100 parsed_.TakeOwnership(new ParsedDicomFile(buffer_.GetConstContent()));
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101 }
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102
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103 // At this point, we have parsed the DICOM file
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104
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105 if (!summary_.HasContent())
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106 {
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107 summary_.Allocate();
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108 FromDcmtkBridge::ExtractDicomSummary(summary_.GetContent(),
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109 *parsed_.GetContent().GetDcmtkObject().getDataset());
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110 }
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111
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112 if (!json_.HasContent())
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113 {
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114 json_.Allocate();
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115
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116 std::set<DicomTag> ignoreTagLength;
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117 FromDcmtkBridge::ExtractDicomAsJson(json_.GetContent(),
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118 *parsed_.GetContent().GetDcmtkObject().getDataset(),
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119 ignoreTagLength);
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120 }
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121 }
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122
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123
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124
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125 const char* DicomInstanceToStore::GetBufferData()
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126 {
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127 ComputeMissingInformation();
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128
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129 if (!buffer_.HasContent())
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130 {
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131 throw OrthancException(ErrorCode_InternalError);
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132 }
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133
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134 if (buffer_.GetConstContent().size() == 0)
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135 {
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136 return NULL;
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137 }
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138 else
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139 {
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140 return buffer_.GetConstContent().c_str();
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141 }
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142 }
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143
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144
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145 size_t DicomInstanceToStore::GetBufferSize()
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146 {
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147 ComputeMissingInformation();
1004
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148
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149 if (!buffer_.HasContent())
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150 {
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151 throw OrthancException(ErrorCode_InternalError);
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152 }
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153
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154 return buffer_.GetConstContent().size();
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155 }
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156
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157
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158 const DicomMap& DicomInstanceToStore::GetSummary()
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159 {
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160 ComputeMissingInformation();
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161
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162 if (!summary_.HasContent())
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163 {
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164 throw OrthancException(ErrorCode_InternalError);
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165 }
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166
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167 return summary_.GetConstContent();
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168 }
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169
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170
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171 const Json::Value& DicomInstanceToStore::GetJson()
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172 {
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173 ComputeMissingInformation();
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174
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175 if (!json_.HasContent())
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176 {
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177 throw OrthancException(ErrorCode_InternalError);
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178 }
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179
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180 return json_.GetConstContent();
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181 }
1572
904096e7367e More information about the origin request in OnStoredInstance() callbacks
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182
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183
2189
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184 bool DicomInstanceToStore::LookupTransferSyntax(std::string& result)
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185 {
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186 ComputeMissingInformation();
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187
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188 DicomMap header;
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189 if (DicomMap::ParseDicomMetaInformation(header, GetBufferData(), GetBufferSize()))
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190 {
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191 const DicomValue* value = header.TestAndGetValue(DICOM_TAG_TRANSFER_SYNTAX_UID);
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192 if (value != NULL &&
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193 !value->IsBinary() &&
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194 !value->IsNull())
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195 {
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196 result = Toolbox::StripSpaces(value->GetContent());
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197 return true;
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198 }
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199 }
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200
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201 return false;
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202 }
1003
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203 }