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2656
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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 "PrecompiledHeaders.h"
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35 #include "SerializationToolbox.h"
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36
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37 #include "OrthancException.h"
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38
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39 namespace Orthanc
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40 {
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41 namespace SerializationToolbox
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42 {
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43 std::string ReadString(const Json::Value& value,
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44 const std::string& field)
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45 {
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46 if (value.type() != Json::objectValue ||
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47 !value.isMember(field.c_str()) ||
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48 value[field.c_str()].type() != Json::stringValue)
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49 {
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50 throw OrthancException(ErrorCode_BadFileFormat);
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51 }
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52 else
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53 {
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54 return value[field.c_str()].asString();
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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 int ReadInteger(const Json::Value& value,
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60 const std::string& field)
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61 {
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62 if (value.type() != Json::objectValue ||
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63 !value.isMember(field.c_str()) ||
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64 (value[field.c_str()].type() != Json::intValue &&
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65 value[field.c_str()].type() != Json::uintValue))
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66 {
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67 throw OrthancException(ErrorCode_BadFileFormat);
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68 }
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69 else
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70 {
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71 return value[field.c_str()].asInt();
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72 }
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73 }
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74
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75
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76 unsigned int ReadUnsignedInteger(const Json::Value& value,
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77 const std::string& field)
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78 {
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79 int tmp = ReadInteger(value, field);
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80
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81 if (tmp < 0)
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82 {
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83 throw OrthancException(ErrorCode_BadFileFormat);
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84 }
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85 else
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86 {
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87 return static_cast<unsigned int>(tmp);
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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 ReadBoolean(const Json::Value& value,
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93 const std::string& field)
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94 {
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95 if (value.type() != Json::objectValue ||
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96 !value.isMember(field.c_str()) ||
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97 value[field.c_str()].type() != Json::booleanValue)
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98 {
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99 throw OrthancException(ErrorCode_BadFileFormat);
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100 }
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101 else
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102 {
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103 return value[field.c_str()].asBool();
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104 }
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105 }
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106
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107
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108 void ReadArrayOfStrings(std::vector<std::string>& target,
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109 const Json::Value& value,
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110 const std::string& field)
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111 {
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112 if (value.type() != Json::objectValue ||
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113 !value.isMember(field.c_str()) ||
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114 value[field.c_str()].type() != Json::arrayValue)
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115 {
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116 throw OrthancException(ErrorCode_BadFileFormat);
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117 }
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118
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119 target.clear();
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120 target.resize(value.size());
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121
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122 const Json::Value arr = value[field.c_str()];
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123
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124 for (Json::Value::ArrayIndex i = 0; i < arr.size(); i++)
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125 {
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126 if (arr[i].type() != Json::stringValue)
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127 {
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128 throw OrthancException(ErrorCode_BadFileFormat);
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129 }
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130 else
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131 {
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132 target[i] = arr[i].asString();
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133 }
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134 }
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135 }
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136
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137
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138 void ReadListOfStrings(std::list<std::string>& target,
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139 const Json::Value& value,
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140 const std::string& field)
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141 {
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142 std::vector<std::string> tmp;
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143 ReadArrayOfStrings(tmp, value, field);
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144
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145 target.clear();
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146 for (size_t i = 0; i < tmp.size(); i++)
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147 {
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148 target.push_back(tmp[i]);
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149 }
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150 }
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151
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152
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153 void ReadSetOfStrings(std::set<std::string>& target,
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154 const Json::Value& value,
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155 const std::string& field)
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156 {
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157 std::vector<std::string> tmp;
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158 ReadArrayOfStrings(tmp, value, field);
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159
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160 target.clear();
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161 for (size_t i = 0; i < tmp.size(); i++)
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162 {
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163 target.insert(tmp[i]);
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164 }
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165 }
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166
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167
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168 void WriteArrayOfStrings(Json::Value& target,
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169 const std::vector<std::string>& values,
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170 const std::string& field)
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171 {
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172 if (target.type() != Json::objectValue ||
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173 target.isMember(field.c_str()))
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174 {
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175 throw OrthancException(ErrorCode_BadFileFormat);
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176 }
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177
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178 Json::Value tmp;
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179
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180 tmp = Json::arrayValue;
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181 for (size_t i = 0; i < values.size(); i++)
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182 {
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183 tmp.append(values[i]);
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184 }
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185
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186 target[field] = tmp;
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187 }
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188
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189
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190 void WriteSetOfStrings(Json::Value& target,
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191 const std::set<std::string>& values,
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192 const std::string& field)
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193 {
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194 Json::Value v = Json::arrayValue;
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195
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196 for (std::set<std::string>::const_iterator it = values.begin();
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197 it != values.end(); ++it)
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198 {
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199 v.append(*it);
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200 }
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201
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202 target[field] = v;
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203 }
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204 }
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205 }
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