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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "PrecompiledHeaders.h"
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34 #include "Toolbox.h"
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35
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36 #include "OrthancException.h"
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37
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38 #include <stdint.h>
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39 #include <string.h>
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40 #include <boost/filesystem.hpp>
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41 #include <boost/filesystem/fstream.hpp>
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42 #include <algorithm>
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43 #include <ctype.h>
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44
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45 #if defined(_WIN32)
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46 #include <windows.h>
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47 #include <process.h> // For "_spawnvp()"
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48 #else
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49 #include <unistd.h> // For "execvp()"
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50 #include <sys/wait.h> // For "waitpid()"
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51 #endif
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52
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53 #if defined(__APPLE__) && defined(__MACH__)
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54 #include <mach-o/dyld.h> /* _NSGetExecutablePath */
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55 #include <limits.h> /* PATH_MAX */
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56 #endif
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57
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58 #if defined(__linux) || defined(__FreeBSD_kernel__)
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59 #include <limits.h> /* PATH_MAX */
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60 #include <signal.h>
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61 #include <unistd.h>
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62 #endif
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63
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64 #if BOOST_HAS_LOCALE != 1
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65 #error Since version 0.7.6, Orthanc entirely relies on boost::locale
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66 #endif
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67
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68 #include <boost/locale.hpp>
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69
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70
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71
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72 namespace Orthanc
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73 {
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74 void Toolbox::TokenizeString(std::vector<std::string>& result,
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75 const std::string& value,
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76 char separator)
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77 {
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78 result.clear();
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79
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80 std::string currentItem;
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81
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82 for (size_t i = 0; i < value.size(); i++)
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83 {
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84 if (value[i] == separator)
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85 {
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86 result.push_back(currentItem);
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87 currentItem.clear();
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88 }
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89 else
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90 {
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91 currentItem.push_back(value[i]);
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92 }
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93 }
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94
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95 result.push_back(currentItem);
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96 }
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97
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98
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99 void Toolbox::CreateNewDirectory(const std::string& path)
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100 {
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101 if (boost::filesystem::exists(path))
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102 {
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103 if (!boost::filesystem::is_directory(path))
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104 {
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105 throw OrthancException("Cannot create the directory over an existing file: " + path);
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106 }
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107 }
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108 else
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109 {
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110 if (!boost::filesystem::create_directories(path))
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111 {
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112 throw OrthancException("Unable to create the directory: " + path);
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113 }
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114 }
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115 }
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116
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117
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118 bool Toolbox::IsExistingFile(const std::string& path)
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119 {
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120 return boost::filesystem::exists(path);
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121 }
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122
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123
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124 void Toolbox::ReadFile(std::string& content,
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125 const std::string& path)
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126 {
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127 boost::filesystem::ifstream f;
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128 f.open(path, std::ifstream::in | std::ifstream::binary);
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129 if (!f.good())
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130 {
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131 throw OrthancException(ErrorCode_InexistentFile);
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132 }
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133
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134 // http://www.cplusplus.com/reference/iostream/istream/tellg/
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135 f.seekg(0, std::ios::end);
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136 std::streamsize size = f.tellg();
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137 f.seekg(0, std::ios::beg);
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138
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139 content.resize(size);
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140 if (size != 0)
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141 {
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142 f.read(reinterpret_cast<char*>(&content[0]), size);
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143 }
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144
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145 f.close();
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146 }
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147
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148
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149 void Toolbox::WriteFile(const std::string& content,
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150 const std::string& path)
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151 {
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152 boost::filesystem::ofstream f;
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153 f.open(path, std::ofstream::binary);
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154 if (!f.good())
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155 {
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156 throw OrthancException(ErrorCode_CannotWriteFile);
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157 }
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158
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159 if (content.size() != 0)
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160 {
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161 f.write(content.c_str(), content.size());
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162 }
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163
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164 f.close();
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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 void Toolbox::RemoveFile(const std::string& path)
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170 {
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171 if (boost::filesystem::exists(path))
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172 {
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173 if (boost::filesystem::is_regular_file(path))
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174 boost::filesystem::remove(path);
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175 else
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176 throw OrthancException("The path is not a regular file: " + path);
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177 }
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178 }
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179
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180
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181
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182 void Toolbox::USleep(uint64_t microSeconds)
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183 {
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184 #if defined(_WIN32)
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185 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000)));
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18
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186 #elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__)
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0
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187 usleep(microSeconds);
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188 #else
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189 #error Support your platform here
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190 #endif
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191 }
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192
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193
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194 Endianness Toolbox::DetectEndianness()
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195 {
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196 // http://sourceforge.net/p/predef/wiki/Endianness/
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197
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198 uint8_t buffer[4];
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199
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200 buffer[0] = 0x00;
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201 buffer[1] = 0x01;
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202 buffer[2] = 0x02;
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203 buffer[3] = 0x03;
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204
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205 switch (*((uint32_t *)buffer))
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206 {
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207 case 0x00010203:
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208 return Endianness_Big;
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209
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210 case 0x03020100:
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211 return Endianness_Little;
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212
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213 default:
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214 throw OrthancException(ErrorCode_NotImplemented);
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215 }
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216 }
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217
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218
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219 std::string Toolbox::StripSpaces(const std::string& source)
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220 {
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221 size_t first = 0;
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222
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223 while (first < source.length() &&
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224 isspace(source[first]))
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225 {
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226 first++;
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227 }
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228
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229 if (first == source.length())
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230 {
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231 // String containing only spaces
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232 return "";
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233 }
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234
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235 size_t last = source.length();
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236 while (last > first &&
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237 isspace(source[last - 1]))
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238 {
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239 last--;
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240 }
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241
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242 assert(first <= last);
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243 return source.substr(first, last - first);
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244 }
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245 }
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246
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