Mercurial > hg > orthanc
annotate Core/DicomFormat/DicomValue.cpp @ 2506:51b91ead6c38
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 26 Mar 2018 17:09:42 +0200 |
parents | 878b59270859 |
children | da12ba232119 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 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 "../PrecompiledHeaders.h" |
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35 #include "DicomValue.h" |
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36 |
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37 #include "../OrthancException.h" |
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38 #include "../Toolbox.h" |
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39 |
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40 #include <boost/lexical_cast.hpp> |
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41 |
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42 namespace Orthanc |
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43 { |
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44 DicomValue::DicomValue(const DicomValue& other) : |
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45 type_(other.type_), |
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46 content_(other.content_) |
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47 { |
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48 } |
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49 |
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50 |
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51 DicomValue::DicomValue(const std::string& content, |
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52 bool isBinary) : |
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53 type_(isBinary ? Type_Binary : Type_String), |
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54 content_(content) |
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55 { |
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56 } |
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57 |
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58 |
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59 DicomValue::DicomValue(const char* data, |
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60 size_t size, |
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61 bool isBinary) : |
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62 type_(isBinary ? Type_Binary : Type_String) |
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63 { |
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64 content_.assign(data, size); |
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65 } |
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66 |
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67 |
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68 const std::string& DicomValue::GetContent() const |
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69 { |
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70 if (type_ == Type_Null) |
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71 { |
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72 throw OrthancException(ErrorCode_BadParameterType); |
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73 } |
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74 else |
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75 { |
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76 return content_; |
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77 } |
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78 } |
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79 |
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80 |
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81 DicomValue* DicomValue::Clone() const |
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82 { |
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83 return new DicomValue(*this); |
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84 } |
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85 |
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86 |
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88 void DicomValue::FormatDataUriScheme(std::string& target, |
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89 const std::string& mime) const |
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90 { |
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91 Toolbox::EncodeBase64(target, GetContent()); |
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92 target.insert(0, "data:" + mime + ";base64,"); |
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93 } |
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94 #endif |
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95 |
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96 |
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97 template <typename T, |
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98 bool allowSigned> |
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99 static bool ParseValue(T& result, |
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100 const DicomValue& source) |
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101 { |
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102 if (source.IsBinary() || |
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103 source.IsNull()) |
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104 { |
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105 return false; |
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106 } |
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107 |
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108 try |
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109 { |
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110 std::string value = Toolbox::StripSpaces(source.GetContent()); |
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111 if (value.empty()) |
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112 { |
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113 return false; |
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114 } |
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115 |
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116 if (!allowSigned && |
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117 value[0] == '-') |
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118 { |
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119 return false; |
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120 } |
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121 |
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122 result = boost::lexical_cast<T>(value); |
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123 return true; |
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124 } |
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125 catch (boost::bad_lexical_cast&) |
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126 { |
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127 return false; |
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128 } |
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129 } |
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130 |
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131 bool DicomValue::ParseInteger32(int32_t& result) const |
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132 { |
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133 int64_t tmp; |
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134 if (ParseValue<int64_t, true>(tmp, *this)) |
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135 { |
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136 result = static_cast<int32_t>(tmp); |
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137 return (tmp == static_cast<int64_t>(result)); // Check no overflow occurs |
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138 } |
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139 else |
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140 { |
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141 return false; |
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142 } |
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143 } |
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144 |
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145 bool DicomValue::ParseInteger64(int64_t& result) const |
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146 { |
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147 return ParseValue<int64_t, true>(result, *this); |
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148 } |
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149 |
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150 bool DicomValue::ParseUnsignedInteger32(uint32_t& result) const |
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151 { |
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152 uint64_t tmp; |
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153 if (ParseValue<uint64_t, false>(tmp, *this)) |
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154 { |
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155 result = static_cast<uint32_t>(tmp); |
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156 return (tmp == static_cast<uint64_t>(result)); // Check no overflow occurs |
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157 } |
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158 else |
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159 { |
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160 return false; |
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161 } |
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162 } |
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163 |
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164 bool DicomValue::ParseUnsignedInteger64(uint64_t& result) const |
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165 { |
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166 return ParseValue<uint64_t, false>(result, *this); |
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167 } |
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168 |
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169 bool DicomValue::ParseFloat(float& result) const |
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170 { |
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171 return ParseValue<float, true>(result, *this); |
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172 } |
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173 |
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174 bool DicomValue::ParseDouble(double& result) const |
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175 { |
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176 return ParseValue<double, true>(result, *this); |
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177 } |
2412
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178 |
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179 bool DicomValue::CopyToString(std::string& result, |
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180 bool allowBinary) const |
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181 { |
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182 if (IsNull()) |
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183 { |
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184 return false; |
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185 } |
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186 else if (IsBinary() && !allowBinary) |
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187 { |
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188 return false; |
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189 } |
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190 else |
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191 { |
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192 result.assign(content_); |
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193 return true; |
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194 } |
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195 } |
1738
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196 } |