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annotate Framework/Loaders/LoadedDicomResources.cpp @ 1228:c471a0aa137b broker

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adding the next generation of loaders
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 09 Dec 2019 13:58:37 +0100
parents
children a8248b08115c
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1228
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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) 2017-2019 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 "LoadedDicomResources.h"
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23
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24 #include <Core/OrthancException.h>
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25
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26 #include <cassert>
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27
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28
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29 namespace OrthancStone
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30 {
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31 void LoadedDicomResources::Flatten()
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32 {
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33 // Lazy generation of a "std::vector" from the "std::map"
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34 if (flattened_.empty())
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35 {
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36 flattened_.resize(resources_.size());
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37
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38 size_t pos = 0;
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39 for (Resources::const_iterator it = resources_.begin(); it != resources_.end(); ++it)
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40 {
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41 assert(it->second != NULL);
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42 flattened_[pos++] = it->second;
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43 }
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44 }
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45 else
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46 {
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47 // No need to flatten
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48 assert(flattened_.size() == resources_.size());
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49 }
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50 }
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51
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52
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53 void LoadedDicomResources::AddFromDicomWebInternal(const Json::Value& dicomweb)
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54 {
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55 assert(dicomweb.type() == Json::objectValue);
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56 Orthanc::DicomMap dicom;
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57 dicom.FromDicomWeb(dicomweb);
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58 AddResource(dicom);
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59 }
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60
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61
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62 LoadedDicomResources::LoadedDicomResources(const LoadedDicomResources& other,
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63 const Orthanc::DicomTag& indexedTag) :
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64 indexedTag_(indexedTag)
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65 {
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66 for (Resources::const_iterator it = other.resources_.begin();
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67 it != other.resources_.end(); ++it)
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68 {
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69 assert(it->second != NULL);
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70 AddResource(*it->second);
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71 }
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72 }
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73
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74 void LoadedDicomResources::Clear()
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75 {
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76 for (Resources::iterator it = resources_.begin(); it != resources_.end(); ++it)
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77 {
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78 assert(it->second != NULL);
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79 delete it->second;
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80 }
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81
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82 resources_.clear();
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83 flattened_.clear();
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84 }
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85
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86
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87 Orthanc::DicomMap& LoadedDicomResources::GetResource(size_t index)
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88 {
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89 Flatten();
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90
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91 if (index >= flattened_.size())
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92 {
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93 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange);
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94 }
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95 else
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96 {
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97 assert(flattened_[index] != NULL);
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98 return *flattened_[index];
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99 }
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100 }
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101
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102
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103 bool LoadedDicomResources::LookupStringValue(std::string& target,
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104 const std::string& id,
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105 const Orthanc::DicomTag& tag) const
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106 {
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107 Resources::const_iterator found = resources_.find(id);
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108
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109 if (found == resources_.end())
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110 {
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111 return false;
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112 }
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113 else
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114 {
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115 assert(found->second != NULL);
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116 return found->second->LookupStringValue(target, tag, false);
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117 }
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118 }
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119
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120
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121 void LoadedDicomResources::AddResource(const Orthanc::DicomMap& dicom)
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122 {
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123 std::string id;
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124
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125 if (dicom.LookupStringValue(id, indexedTag_, false /* no binary value */) &&
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126 resources_.find(id) == resources_.end() /* Don't index twice the same resource */)
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127 {
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128 resources_[id] = dicom.Clone();
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129 flattened_.clear(); // Invalidate the flattened version
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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 void LoadedDicomResources::AddFromOrthanc(const Json::Value& tags)
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135 {
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136 Orthanc::DicomMap dicom;
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137 dicom.FromDicomAsJson(tags);
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138 AddResource(dicom);
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139 }
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140
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141
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142 void LoadedDicomResources::AddFromDicomWeb(const Json::Value& dicomweb)
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143 {
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144 if (dicomweb.type() == Json::objectValue)
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145 {
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146 AddFromDicomWebInternal(dicomweb);
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147 }
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148 else if (dicomweb.type() == Json::arrayValue)
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149 {
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150 for (Json::Value::ArrayIndex i = 0; i < dicomweb.size(); i++)
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151 {
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152 if (dicomweb[i].type() == Json::objectValue)
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153 {
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154 AddFromDicomWebInternal(dicomweb[i]);
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155 }
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156 else
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157 {
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158 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
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159 }
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160 }
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161 }
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162 else
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163 {
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164 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
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165 }
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166 }
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167
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168
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169 bool LoadedDicomResources::LookupTagValueConsensus(std::string& target,
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170 const Orthanc::DicomTag& tag) const
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171 {
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172 typedef std::map<std::string, unsigned int> Counter;
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173
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174 Counter counter;
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175
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176 for (Resources::const_iterator it = resources_.begin(); it != resources_.end(); ++it)
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177 {
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178 assert(it->second != NULL);
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179
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180 std::string value;
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181 if (it->second->LookupStringValue(value, tag, false))
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182 {
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183 Counter::iterator found = counter.find(value);
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184 if (found == counter.end())
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185 {
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186 counter[value] = 1;
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187 }
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188 else
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189 {
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190 found->second ++;
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191 }
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192 }
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193 }
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194
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195 Counter::const_iterator best = counter.end();
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196
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197 for (Counter::const_iterator it = counter.begin(); it != counter.end(); ++it)
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198 {
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199 if (best == counter.end() ||
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200 best->second < it->second)
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201 {
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202 best = it;
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203 }
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204 }
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205
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206 if (best == counter.end())
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207 {
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208 return false;
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209 }
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210 else
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211 {
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212 target = best->first;
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213 return true;
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214 }
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215 }
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216 }