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annotate Core/Toolbox.cpp @ 187:8e673a65564d

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refactoring of storing new instances
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 12 Nov 2012 17:29:11 +0100
parents 81b6f3013738
children 7f74209ea0f8
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * 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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33 #include "Toolbox.h"
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34
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35 #include "OrthancException.h"
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37 #include <string.h>
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38 #include <boost/filesystem.hpp>
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39 #include <boost/filesystem/fstream.hpp>
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40 #include <boost/date_time/posix_time/posix_time.hpp>
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41 #include <algorithm>
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42 #include <ctype.h>
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44 #if defined(_WIN32)
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45 #include <windows.h>
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46 #endif
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47
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48 #if defined(__APPLE__) && defined(__MACH__)
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49 #include <mach-o/dyld.h> /* _NSGetExecutablePath */
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50 #include <limits.h> /* PATH_MAX */
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51 #endif
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52
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53 #if defined(__linux)
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54 #include <limits.h> /* PATH_MAX */
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55 #include <signal.h>
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56 #include <unistd.h>
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57 #endif
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58
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59 #if BOOST_HAS_LOCALE == 1
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60 #include <boost/locale.hpp>
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61 #else
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62 #include <iconv.h>
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63 #endif
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64
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65 #include "../Resources/md5/md5.h"
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66 #include "../Resources/base64/base64.h"
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67 #include "../Resources/sha1/sha1.h"
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70 #if BOOST_HAS_LOCALE == 0
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71 namespace
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72 {
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73 class IconvRabi
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74 {
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75 private:
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76 iconv_t context_;
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78 public:
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79 IconvRabi(const char* tocode, const char* fromcode)
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80 {
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81 context_ = iconv_open(tocode, fromcode);
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82 if (!context_)
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83 {
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84 throw Orthanc::OrthancException("Unknown code page");
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85 }
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86 }
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87
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88 ~IconvRabi()
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89 {
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90 iconv_close(context_);
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91 }
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92
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93 std::string Convert(const std::string& source)
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94 {
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95 if (source.size() == 0)
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96 {
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97 return "";
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98 }
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99
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100 std::string result;
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101 char* sourcePos = const_cast<char*>(&source[0]);
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102 size_t sourceLeft = source.size();
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103
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104 std::vector<char> storage(source.size() + 10);
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105
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106 while (sourceLeft > 0)
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107 {
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108 char* tmp = &storage[0];
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109 size_t outputLeft = storage.size();
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110 size_t err = iconv(context_, &sourcePos, &sourceLeft, &tmp, &outputLeft);
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111 if (err < 0)
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112 {
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113 throw Orthanc::OrthancException("Bad character in sequence");
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114 }
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115
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116 size_t count = storage.size() - outputLeft;
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117 result += std::string(&storage[0], count);
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118 }
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119
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120 return result;
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121 }
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122 };
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123 }
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124 #endif
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125
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126
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127 namespace Orthanc
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128 {
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129 static bool finish;
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130
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131 #if defined(_WIN32)
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132 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType)
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133 {
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134 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx
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135 finish = true;
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136 return true;
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137 }
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138 #else
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139 static void SignalHandler(int)
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140 {
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141 finish = true;
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142 }
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143 #endif
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144
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145 void Toolbox::Sleep(uint32_t seconds)
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146 {
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147 #if defined(_WIN32)
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148 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000));
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149 #elif defined(__linux)
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150 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000));
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151 #else
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152 #error Support your platform here
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153 #endif
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154 }
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155
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156 void Toolbox::USleep(uint64_t microSeconds)
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157 {
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158 #if defined(_WIN32)
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159 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000)));
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160 #elif defined(__linux)
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161 usleep(microSeconds);
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162 #else
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163 #error Support your platform here
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164 #endif
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165 }
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166
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167
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168 void Toolbox::ServerBarrier()
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169 {
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170 #if defined(_WIN32)
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171 SetConsoleCtrlHandler(ConsoleControlHandler, true);
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172 #else
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173 signal(SIGINT, SignalHandler);
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174 signal(SIGQUIT, SignalHandler);
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175 #endif
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176
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177 finish = false;
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178 while (!finish)
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179 {
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180 USleep(100000);
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181 }
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182
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183 #if defined(_WIN32)
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184 SetConsoleCtrlHandler(ConsoleControlHandler, false);
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185 #else
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186 signal(SIGINT, NULL);
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187 signal(SIGQUIT, NULL);
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188 #endif
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189 }
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190
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191
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192
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193 void Toolbox::ToUpperCase(std::string& s)
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194 {
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195 std::transform(s.begin(), s.end(), s.begin(), toupper);
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196 }
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197
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198
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199 void Toolbox::ToLowerCase(std::string& s)
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200 {
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201 std::transform(s.begin(), s.end(), s.begin(), tolower);
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202 }
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203
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204
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205
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206 void Toolbox::ReadFile(std::string& content,
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207 const std::string& path)
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208 {
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209 boost::filesystem::ifstream f;
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210 f.open(path, std::ifstream::in | std::ios::binary);
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211 if (!f.good())
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212 {
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213 throw OrthancException("Unable to open a file");
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214 }
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215
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216 // http://www.cplusplus.com/reference/iostream/istream/tellg/
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217 f.seekg(0, std::ios::end);
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218 std::streamsize size = f.tellg();
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219 f.seekg(0, std::ios::beg);
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220
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221 content.resize(size);
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222 if (size != 0)
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223 {
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224 f.read(reinterpret_cast<char*>(&content[0]), size);
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225 }
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226
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227 f.close();
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228 }
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229
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230
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231 void Toolbox::RemoveFile(const std::string& path)
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232 {
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233 if (boost::filesystem::exists(path))
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234 {
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235 if (boost::filesystem::is_regular_file(path))
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236 boost::filesystem::remove(path);
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237 else
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238 throw OrthancException("The path is not a regular file: " + path);
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239 }
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240 }
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241
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242
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243
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244 void Toolbox::SplitUriComponents(UriComponents& components,
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245 const std::string& uri)
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246 {
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247 static const char URI_SEPARATOR = '/';
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248
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249 components.clear();
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250
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251 if (uri.size() == 0 ||
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252 uri[0] != URI_SEPARATOR)
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253 {
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254 throw OrthancException(ErrorCode_UriSyntax);
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255 }
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256
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257 // Count the number of slashes in the URI to make an assumption
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258 // about the number of components in the URI
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259 unsigned int estimatedSize = 0;
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260 for (unsigned int i = 0; i < uri.size(); i++)
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261 {
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262 if (uri[i] == URI_SEPARATOR)
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263 estimatedSize++;
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264 }
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265
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266 components.reserve(estimatedSize - 1);
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267
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268 unsigned int start = 1;
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269 unsigned int end = 1;
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270 while (end < uri.size())
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271 {
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272 // This is the loop invariant
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273 assert(uri[start - 1] == '/' && (end >= start));
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274
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275 if (uri[end] == '/')
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276 {
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277 components.push_back(std::string(&uri[start], end - start));
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278 end++;
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279 start = end;
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280 }
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281 else
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282 {
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283 end++;
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284 }
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285 }
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286
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287 if (start < uri.size())
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288 {
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289 components.push_back(std::string(&uri[start], end - start));
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290 }
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291 }
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292
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293
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294 bool Toolbox::IsChildUri(const UriComponents& baseUri,
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295 const UriComponents& testedUri)
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296 {
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297 if (testedUri.size() < baseUri.size())
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298 {
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299 return false;
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300 }
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301
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302 for (size_t i = 0; i < baseUri.size(); i++)
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303 {
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304 if (baseUri[i] != testedUri[i])
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305 return false;
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306 }
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307
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308 return true;
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309 }
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310
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311
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312 std::string Toolbox::AutodetectMimeType(const std::string& path)
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313 {
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314 std::string contentType;
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315 size_t lastDot = path.rfind('.');
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316 size_t lastSlash = path.rfind('/');
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317
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318 if (lastDot == std::string::npos ||
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319 (lastSlash != std::string::npos && lastDot < lastSlash))
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320 {
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321 // No trailing dot, unable to detect the content type
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322 }
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323 else
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324 {
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325 const char* extension = &path[lastDot + 1];
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326
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327 // http://en.wikipedia.org/wiki/Mime_types
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328 // Text types
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329 if (!strcmp(extension, "txt"))
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330 contentType = "text/plain";
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331 else if (!strcmp(extension, "html"))
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332 contentType = "text/html";
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333 else if (!strcmp(extension, "xml"))
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334 contentType = "text/xml";
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335 else if (!strcmp(extension, "css"))
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336 contentType = "text/css";
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337
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338 // Application types
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339 else if (!strcmp(extension, "js"))
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340 contentType = "application/javascript";
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341 else if (!strcmp(extension, "json"))
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342 contentType = "application/json";
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343 else if (!strcmp(extension, "pdf"))
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344 contentType = "application/pdf";
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345
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346 // Images types
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347 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg"))
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348 contentType = "image/jpeg";
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349 else if (!strcmp(extension, "gif"))
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350 contentType = "image/gif";
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351 else if (!strcmp(extension, "png"))
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352 contentType = "image/png";
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353 }
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354
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355 return contentType;
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356 }
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357
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358
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359 std::string Toolbox::FlattenUri(const UriComponents& components,
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360 size_t fromLevel)
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361 {
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362 if (components.size() <= fromLevel)
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363 {
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364 return "/";
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365 }
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366 else
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367 {
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368 std::string r;
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369
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370 for (size_t i = fromLevel; i < components.size(); i++)
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371 {
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372 r += "/" + components[i];
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373 }
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374
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375 return r;
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376 }
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377 }
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parents:
diff changeset
378
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379
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380
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381 uint64_t Toolbox::GetFileSize(const std::string& path)
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382 {
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383 try
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384 {
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385 return static_cast<uint64_t>(boost::filesystem::file_size(path));
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386 }
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387 catch (boost::filesystem::filesystem_error)
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388 {
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c996319e90bc renaming in Core
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389 throw OrthancException(ErrorCode_InexistentFile);
0
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390 }
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391 }
22
1bc6327d1de3 MD5 sum
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parents: 10
diff changeset
392
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parents: 10
diff changeset
393
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394 static char GetHexadecimalCharacter(uint8_t value)
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395 {
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396 assert(value < 16);
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397
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parents: 10
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398 if (value < 10)
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399 return value + '0';
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400 else
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diff changeset
401 return (value - 10) + 'a';
1bc6327d1de3 MD5 sum
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parents: 10
diff changeset
402 }
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parents: 10
diff changeset
403
23
62bd05fe4b7c support for ssl
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parents: 22
diff changeset
404
22
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405 void Toolbox::ComputeMD5(std::string& result,
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406 const std::string& data)
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diff changeset
407 {
1bc6327d1de3 MD5 sum
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diff changeset
408 md5_state_s state;
1bc6327d1de3 MD5 sum
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409 md5_init(&state);
1bc6327d1de3 MD5 sum
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parents: 10
diff changeset
410
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parents: 10
diff changeset
411 if (data.size() > 0)
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parents: 10
diff changeset
412 {
1bc6327d1de3 MD5 sum
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diff changeset
413 md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]),
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parents: 10
diff changeset
414 static_cast<int>(data.size()));
1bc6327d1de3 MD5 sum
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 10
diff changeset
415 }
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parents: 10
diff changeset
416
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parents: 10
diff changeset
417 md5_byte_t actualHash[16];
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418 md5_finish(&state, actualHash);
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parents: 10
diff changeset
419
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diff changeset
420 result.resize(32);
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parents: 10
diff changeset
421 for (unsigned int i = 0; i < 16; i++)
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422 {
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423 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16);
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parents: 10
diff changeset
424 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16);
1bc6327d1de3 MD5 sum
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 10
diff changeset
425 }
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parents: 10
diff changeset
426 }
24
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parents: 23
diff changeset
427
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parents: 23
diff changeset
428
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429 std::string Toolbox::EncodeBase64(const std::string& data)
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430 {
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de8a5329b069 fix of base64
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431 return base64_encode(data);
24
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parents: 23
diff changeset
432 }
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parents: 23
diff changeset
433
87
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diff changeset
434
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435 #if defined(_WIN32)
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436 std::string Toolbox::GetPathToExecutable()
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437 {
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parents: 86
diff changeset
438 // Yes, this is ugly, but there is no simple way to get the
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parents: 86
diff changeset
439 // required buffer size, so we use a big constant
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440 std::vector<char> buffer(32768);
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441 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1));
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diff changeset
442 return std::string(&buffer[0]);
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diff changeset
443 }
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diff changeset
444
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diff changeset
445 #elif defined(__linux)
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446 std::string Toolbox::GetPathToExecutable()
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447 {
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448 std::vector<char> buffer(PATH_MAX + 1);
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449 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1);
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diff changeset
450 if (bytes == 0)
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451 {
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diff changeset
452 throw OrthancException("Unable to get the path to the executable");
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453 }
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454
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diff changeset
455 return std::string(&buffer[0]);
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parents: 86
diff changeset
456 }
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parents: 86
diff changeset
457
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diff changeset
458 #elif defined(__APPLE__) && defined(__MACH__)
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459 std::string Toolbox::GetPathToExecutable()
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460 {
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461 char pathbuf[PATH_MAX + 1];
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parents: 86
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462 unsigned int bufsize = static_cast<int>(sizeof(pathbuf));
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463
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464 _NSGetExecutablePath( pathbuf, &bufsize);
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diff changeset
465
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466 return std::string(pathbuf);
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467 }
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468
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469 #else
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470 #error Support your platform here
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471 #endif
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472
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473
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474 std::string Toolbox::GetDirectoryOfExecutable()
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475 {
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476 boost::filesystem::path p(GetPathToExecutable());
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477 return p.parent_path().string();
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478 }
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diff changeset
479
107
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480
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481 std::string Toolbox::ConvertToUtf8(const std::string& source,
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482 const char* fromEncoding)
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483 {
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484 #if BOOST_HAS_LOCALE == 1
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485 try
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486 {
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487 return boost::locale::conv::to_utf<char>(source, fromEncoding);
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488 }
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489 catch (std::runtime_error&)
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490 {
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491 // Bad input string or bad encoding
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492 return ConvertToAscii(source);
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493 }
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494 #else
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495 IconvRabi iconv("UTF-8", fromEncoding);
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496 try
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497 {
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498 return iconv.Convert(source);
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499 }
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500 catch (OrthancException)
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501 {
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502 return ConvertToAscii(source);
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503 }
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504 #endif
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505 }
3b45473c0a73 replace boost::locale with iconv for debian
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diff changeset
506
3b45473c0a73 replace boost::locale with iconv for debian
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507
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508 std::string Toolbox::ConvertToAscii(const std::string& source)
3b45473c0a73 replace boost::locale with iconv for debian
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509 {
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diff changeset
510 std::string result;
3b45473c0a73 replace boost::locale with iconv for debian
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511
3b45473c0a73 replace boost::locale with iconv for debian
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512 result.reserve(source.size());
3b45473c0a73 replace boost::locale with iconv for debian
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diff changeset
513 for (size_t i = 0; i < source.size(); i++)
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514 {
3b45473c0a73 replace boost::locale with iconv for debian
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diff changeset
515 if (source[i] < 128 && source[i] >= 0 && !iscntrl(source[i]))
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516 {
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diff changeset
517 result.push_back(source[i]);
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518 }
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diff changeset
519 }
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diff changeset
520
3b45473c0a73 replace boost::locale with iconv for debian
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diff changeset
521 return result;
3b45473c0a73 replace boost::locale with iconv for debian
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diff changeset
522 }
177
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523
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524 void Toolbox::ComputeSHA1(std::string& result,
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525 const std::string& data)
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526 {
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diff changeset
527 SHA1 sha1;
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diff changeset
528 if (data.size() > 0)
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529 {
Sebastien Jodogne <s.jodogne@gmail.com>
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530 sha1.Input(&data[0], data.size());
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diff changeset
531 }
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diff changeset
532
Sebastien Jodogne <s.jodogne@gmail.com>
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533 unsigned digest[5];
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diff changeset
534
Sebastien Jodogne <s.jodogne@gmail.com>
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535 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide
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536 assert(sizeof(unsigned) == 4 && sizeof(digest) == (160 / 8));
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537
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parents: 136
diff changeset
538 if (sha1.Result(digest))
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539 {
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540 result.resize(8 * 5 + 4);
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diff changeset
541 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x",
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diff changeset
542 digest[0],
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diff changeset
543 digest[1],
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544 digest[2],
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diff changeset
545 digest[3],
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diff changeset
546 digest[4]);
Sebastien Jodogne <s.jodogne@gmail.com>
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diff changeset
547 }
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parents: 136
diff changeset
548 else
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549 {
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550 throw OrthancException(ErrorCode_InternalError);
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parents: 136
diff changeset
551 }
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diff changeset
552 }
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diff changeset
553
187
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diff changeset
554 std::string Toolbox::GetNowIsoString()
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diff changeset
555 {
8e673a65564d refactoring of storing new instances
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parents: 177
diff changeset
556 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time();
8e673a65564d refactoring of storing new instances
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diff changeset
557 return boost::posix_time::to_iso_string(now);
8e673a65564d refactoring of storing new instances
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diff changeset
558 }
8e673a65564d refactoring of storing new instances
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 177
diff changeset
559
177
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parents: 136
diff changeset
560
0
3959d33612cc initial commit
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parents:
diff changeset
561 }