Mercurial > hg > orthanc
annotate Core/Toolbox.cpp @ 700:0fe6632864b9
ubuntu 13.10
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 07 Feb 2014 21:34:09 +0100 |
| parents | 01d8611c4a60 |
| children | 203157cb4fde |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
| 0 | 4 * Belgium |
| 5 * | |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 136 | 10 * |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 0 | 22 * |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "Toolbox.h" | |
| 34 | |
| 59 | 35 #include "OrthancException.h" |
| 0 | 36 |
| 453 | 37 #include <stdint.h> |
| 0 | 38 #include <string.h> |
| 39 #include <boost/filesystem.hpp> | |
| 40 #include <boost/filesystem/fstream.hpp> | |
|
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41 #include <boost/date_time/posix_time/posix_time.hpp> |
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42 #include <boost/uuid/sha1.hpp> |
| 0 | 43 #include <algorithm> |
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44 #include <ctype.h> |
| 608 | 45 #include <boost/regex.hpp> |
| 0 | 46 |
| 47 #if defined(_WIN32) | |
| 48 #include <windows.h> | |
| 49 #endif | |
| 50 | |
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51 #if defined(__APPLE__) && defined(__MACH__) |
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52 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ |
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53 #include <limits.h> /* PATH_MAX */ |
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54 #endif |
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55 |
| 0 | 56 #if defined(__linux) |
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57 #include <limits.h> /* PATH_MAX */ |
| 10 | 58 #include <signal.h> |
| 0 | 59 #include <unistd.h> |
| 60 #endif | |
| 61 | |
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62 #if BOOST_HAS_LOCALE == 1 |
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63 #include <boost/locale.hpp> |
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64 #else |
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65 #include <iconv.h> |
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66 #endif |
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67 |
| 22 | 68 #include "../Resources/md5/md5.h" |
| 24 | 69 #include "../Resources/base64/base64.h" |
| 0 | 70 |
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71 |
| 570 | 72 #ifdef _MSC_VER |
| 73 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio | |
| 74 extern "C" | |
| 75 { | |
| 76 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
| 77 int64_t strtoll(const char *nptr, char **endptr, int base) | |
| 78 { | |
| 79 return _strtoi64(nptr, endptr, base); | |
| 80 } | |
| 81 } | |
| 568 | 82 #endif |
| 83 | |
| 84 | |
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85 #if BOOST_HAS_LOCALE == 0 |
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86 namespace |
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87 { |
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88 class IconvRabi |
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89 { |
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90 private: |
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91 iconv_t context_; |
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92 |
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93 public: |
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94 IconvRabi(const char* tocode, const char* fromcode) |
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95 { |
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96 context_ = iconv_open(tocode, fromcode); |
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97 if (!context_) |
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98 { |
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99 throw Orthanc::OrthancException("Unknown code page"); |
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100 } |
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101 } |
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102 |
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103 ~IconvRabi() |
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104 { |
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105 iconv_close(context_); |
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106 } |
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107 |
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108 std::string Convert(const std::string& source) |
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109 { |
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110 if (source.size() == 0) |
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111 { |
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112 return ""; |
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113 } |
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114 |
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115 std::string result; |
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116 char* sourcePos = const_cast<char*>(&source[0]); |
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117 size_t sourceLeft = source.size(); |
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118 |
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119 std::vector<char> storage(source.size() + 10); |
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120 |
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121 while (sourceLeft > 0) |
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122 { |
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123 char* tmp = &storage[0]; |
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124 size_t outputLeft = storage.size(); |
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125 size_t err = iconv(context_, &sourcePos, &sourceLeft, &tmp, &outputLeft); |
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126 if (err < 0) |
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127 { |
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128 throw Orthanc::OrthancException("Bad character in sequence"); |
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129 } |
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130 |
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131 size_t count = storage.size() - outputLeft; |
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132 result += std::string(&storage[0], count); |
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133 } |
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134 |
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135 return result; |
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136 } |
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137 }; |
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138 } |
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139 #endif |
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140 |
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141 |
| 59 | 142 namespace Orthanc |
| 0 | 143 { |
| 144 static bool finish; | |
| 145 | |
| 10 | 146 #if defined(_WIN32) |
| 22 | 147 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) |
| 148 { | |
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149 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx |
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150 finish = true; |
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151 return true; |
| 22 | 152 } |
| 153 #else | |
| 0 | 154 static void SignalHandler(int) |
| 155 { | |
| 156 finish = true; | |
| 157 } | |
| 22 | 158 #endif |
| 0 | 159 |
| 160 void Toolbox::Sleep(uint32_t seconds) | |
| 161 { | |
| 162 #if defined(_WIN32) | |
| 163 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000)); | |
| 164 #elif defined(__linux) | |
| 165 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000)); | |
| 166 #else | |
| 167 #error Support your platform here | |
| 168 #endif | |
| 169 } | |
| 170 | |
| 171 void Toolbox::USleep(uint64_t microSeconds) | |
| 172 { | |
| 173 #if defined(_WIN32) | |
| 8 | 174 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); |
| 0 | 175 #elif defined(__linux) |
| 176 usleep(microSeconds); | |
| 177 #else | |
| 178 #error Support your platform here | |
| 179 #endif | |
| 180 } | |
| 181 | |
| 182 | |
| 183 void Toolbox::ServerBarrier() | |
| 184 { | |
| 10 | 185 #if defined(_WIN32) |
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186 SetConsoleCtrlHandler(ConsoleControlHandler, true); |
| 10 | 187 #else |
| 0 | 188 signal(SIGINT, SignalHandler); |
| 189 signal(SIGQUIT, SignalHandler); | |
| 686 | 190 signal(SIGTERM, SignalHandler); |
| 0 | 191 #endif |
| 192 | |
| 193 finish = false; | |
| 194 while (!finish) | |
| 195 { | |
| 196 USleep(100000); | |
| 197 } | |
| 198 | |
| 10 | 199 #if defined(_WIN32) |
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200 SetConsoleCtrlHandler(ConsoleControlHandler, false); |
| 10 | 201 #else |
| 0 | 202 signal(SIGINT, NULL); |
| 203 signal(SIGQUIT, NULL); | |
| 686 | 204 signal(SIGTERM, NULL); |
| 0 | 205 #endif |
| 206 } | |
| 207 | |
| 208 | |
| 209 | |
| 210 void Toolbox::ToUpperCase(std::string& s) | |
| 211 { | |
| 212 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
| 213 } | |
| 214 | |
| 215 | |
| 216 void Toolbox::ToLowerCase(std::string& s) | |
| 217 { | |
| 218 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
| 219 } | |
| 220 | |
| 221 | |
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222 void Toolbox::ToUpperCase(std::string& result, |
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223 const std::string& source) |
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224 { |
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225 result = source; |
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226 ToUpperCase(result); |
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227 } |
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228 |
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229 void Toolbox::ToLowerCase(std::string& result, |
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230 const std::string& source) |
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231 { |
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232 result = source; |
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233 ToLowerCase(result); |
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234 } |
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235 |
| 0 | 236 |
| 237 void Toolbox::ReadFile(std::string& content, | |
| 238 const std::string& path) | |
| 239 { | |
| 240 boost::filesystem::ifstream f; | |
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241 f.open(path, std::ifstream::in | std::ifstream::binary); |
| 0 | 242 if (!f.good()) |
| 243 { | |
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244 throw OrthancException(ErrorCode_InexistentFile); |
| 0 | 245 } |
| 246 | |
| 247 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
| 248 f.seekg(0, std::ios::end); | |
| 249 std::streamsize size = f.tellg(); | |
| 250 f.seekg(0, std::ios::beg); | |
| 251 | |
| 252 content.resize(size); | |
| 253 if (size != 0) | |
| 254 { | |
| 255 f.read(reinterpret_cast<char*>(&content[0]), size); | |
| 256 } | |
| 257 | |
| 258 f.close(); | |
| 259 } | |
| 260 | |
| 261 | |
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262 void Toolbox::WriteFile(const std::string& content, |
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263 const std::string& path) |
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264 { |
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265 boost::filesystem::ofstream f; |
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266 f.open(path, std::ofstream::binary); |
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267 if (!f.good()) |
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268 { |
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269 throw OrthancException(ErrorCode_CannotWriteFile); |
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270 } |
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271 |
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272 if (content.size() != 0) |
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273 { |
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274 f.write(content.c_str(), content.size()); |
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275 } |
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276 |
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277 f.close(); |
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278 } |
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279 |
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280 |
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281 |
| 0 | 282 void Toolbox::RemoveFile(const std::string& path) |
| 283 { | |
| 284 if (boost::filesystem::exists(path)) | |
| 285 { | |
| 286 if (boost::filesystem::is_regular_file(path)) | |
| 287 boost::filesystem::remove(path); | |
| 288 else | |
| 59 | 289 throw OrthancException("The path is not a regular file: " + path); |
| 0 | 290 } |
| 291 } | |
| 292 | |
| 293 | |
| 294 | |
| 295 void Toolbox::SplitUriComponents(UriComponents& components, | |
| 296 const std::string& uri) | |
| 297 { | |
| 298 static const char URI_SEPARATOR = '/'; | |
| 299 | |
| 300 components.clear(); | |
| 301 | |
| 302 if (uri.size() == 0 || | |
| 303 uri[0] != URI_SEPARATOR) | |
| 304 { | |
| 59 | 305 throw OrthancException(ErrorCode_UriSyntax); |
| 0 | 306 } |
| 307 | |
| 308 // Count the number of slashes in the URI to make an assumption | |
| 309 // about the number of components in the URI | |
| 310 unsigned int estimatedSize = 0; | |
| 311 for (unsigned int i = 0; i < uri.size(); i++) | |
| 312 { | |
| 313 if (uri[i] == URI_SEPARATOR) | |
| 314 estimatedSize++; | |
| 315 } | |
| 316 | |
| 317 components.reserve(estimatedSize - 1); | |
| 318 | |
| 319 unsigned int start = 1; | |
| 320 unsigned int end = 1; | |
| 321 while (end < uri.size()) | |
| 322 { | |
| 323 // This is the loop invariant | |
| 324 assert(uri[start - 1] == '/' && (end >= start)); | |
| 325 | |
| 326 if (uri[end] == '/') | |
| 327 { | |
| 328 components.push_back(std::string(&uri[start], end - start)); | |
| 329 end++; | |
| 330 start = end; | |
| 331 } | |
| 332 else | |
| 333 { | |
| 334 end++; | |
| 335 } | |
| 336 } | |
| 337 | |
| 338 if (start < uri.size()) | |
| 339 { | |
| 340 components.push_back(std::string(&uri[start], end - start)); | |
| 341 } | |
| 207 | 342 |
| 343 for (size_t i = 0; i < components.size(); i++) | |
| 344 { | |
| 345 if (components[i].size() == 0) | |
| 346 { | |
| 347 // Empty component, as in: "/coucou//e" | |
| 348 throw OrthancException(ErrorCode_UriSyntax); | |
| 349 } | |
| 350 } | |
| 0 | 351 } |
| 352 | |
| 353 | |
| 354 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
| 355 const UriComponents& testedUri) | |
| 356 { | |
| 357 if (testedUri.size() < baseUri.size()) | |
| 358 { | |
| 359 return false; | |
| 360 } | |
| 361 | |
| 362 for (size_t i = 0; i < baseUri.size(); i++) | |
| 363 { | |
| 364 if (baseUri[i] != testedUri[i]) | |
| 365 return false; | |
| 366 } | |
| 367 | |
| 368 return true; | |
| 369 } | |
| 370 | |
| 371 | |
| 372 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
| 373 { | |
| 374 std::string contentType; | |
| 375 size_t lastDot = path.rfind('.'); | |
| 376 size_t lastSlash = path.rfind('/'); | |
| 377 | |
| 378 if (lastDot == std::string::npos || | |
| 379 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
| 380 { | |
| 381 // No trailing dot, unable to detect the content type | |
| 382 } | |
| 383 else | |
| 384 { | |
| 385 const char* extension = &path[lastDot + 1]; | |
| 386 | |
| 387 // http://en.wikipedia.org/wiki/Mime_types | |
| 388 // Text types | |
| 389 if (!strcmp(extension, "txt")) | |
| 390 contentType = "text/plain"; | |
| 391 else if (!strcmp(extension, "html")) | |
| 392 contentType = "text/html"; | |
| 393 else if (!strcmp(extension, "xml")) | |
| 394 contentType = "text/xml"; | |
| 395 else if (!strcmp(extension, "css")) | |
| 396 contentType = "text/css"; | |
| 397 | |
| 398 // Application types | |
| 399 else if (!strcmp(extension, "js")) | |
| 400 contentType = "application/javascript"; | |
| 401 else if (!strcmp(extension, "json")) | |
| 402 contentType = "application/json"; | |
| 403 else if (!strcmp(extension, "pdf")) | |
| 404 contentType = "application/pdf"; | |
| 405 | |
| 406 // Images types | |
| 407 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
| 408 contentType = "image/jpeg"; | |
| 409 else if (!strcmp(extension, "gif")) | |
| 410 contentType = "image/gif"; | |
| 411 else if (!strcmp(extension, "png")) | |
| 412 contentType = "image/png"; | |
| 413 } | |
| 414 | |
| 415 return contentType; | |
| 416 } | |
| 417 | |
| 418 | |
| 419 std::string Toolbox::FlattenUri(const UriComponents& components, | |
| 420 size_t fromLevel) | |
| 421 { | |
| 422 if (components.size() <= fromLevel) | |
| 423 { | |
| 424 return "/"; | |
| 425 } | |
| 426 else | |
| 427 { | |
| 428 std::string r; | |
| 429 | |
| 430 for (size_t i = fromLevel; i < components.size(); i++) | |
| 431 { | |
| 432 r += "/" + components[i]; | |
| 433 } | |
| 434 | |
| 435 return r; | |
| 436 } | |
| 437 } | |
| 438 | |
| 439 | |
| 440 | |
| 441 uint64_t Toolbox::GetFileSize(const std::string& path) | |
| 442 { | |
| 443 try | |
| 444 { | |
| 445 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
| 446 } | |
| 447 catch (boost::filesystem::filesystem_error) | |
| 448 { | |
| 59 | 449 throw OrthancException(ErrorCode_InexistentFile); |
| 0 | 450 } |
| 451 } | |
| 22 | 452 |
| 453 | |
| 454 static char GetHexadecimalCharacter(uint8_t value) | |
| 455 { | |
| 456 assert(value < 16); | |
| 457 | |
| 458 if (value < 10) | |
| 459 return value + '0'; | |
| 460 else | |
| 461 return (value - 10) + 'a'; | |
| 462 } | |
| 463 | |
| 23 | 464 |
| 22 | 465 void Toolbox::ComputeMD5(std::string& result, |
| 466 const std::string& data) | |
| 467 { | |
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468 if (data.size() > 0) |
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469 { |
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470 ComputeMD5(result, &data[0], data.size()); |
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471 } |
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472 else |
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473 { |
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474 ComputeMD5(result, NULL, 0); |
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475 } |
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476 } |
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477 |
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478 |
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479 void Toolbox::ComputeMD5(std::string& result, |
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480 const void* data, |
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481 size_t length) |
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482 { |
| 22 | 483 md5_state_s state; |
| 484 md5_init(&state); | |
| 485 | |
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486 if (length > 0) |
| 22 | 487 { |
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488 md5_append(&state, |
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489 reinterpret_cast<const md5_byte_t*>(data), |
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490 static_cast<int>(length)); |
| 22 | 491 } |
| 492 | |
| 493 md5_byte_t actualHash[16]; | |
| 494 md5_finish(&state, actualHash); | |
| 495 | |
| 496 result.resize(32); | |
| 497 for (unsigned int i = 0; i < 16; i++) | |
| 498 { | |
| 499 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
| 500 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
| 501 } | |
| 502 } | |
| 24 | 503 |
| 504 | |
| 505 std::string Toolbox::EncodeBase64(const std::string& data) | |
| 506 { | |
| 86 | 507 return base64_encode(data); |
| 24 | 508 } |
| 509 | |
| 365 | 510 std::string Toolbox::DecodeBase64(const std::string& data) |
| 511 { | |
| 512 return base64_decode(data); | |
| 513 } | |
| 514 | |
|
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515 |
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516 #if defined(_WIN32) |
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517 std::string Toolbox::GetPathToExecutable() |
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518 { |
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519 // Yes, this is ugly, but there is no simple way to get the |
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520 // required buffer size, so we use a big constant |
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521 std::vector<char> buffer(32768); |
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522 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); |
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523 return std::string(&buffer[0]); |
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524 } |
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525 |
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526 #elif defined(__linux) |
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527 std::string Toolbox::GetPathToExecutable() |
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528 { |
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529 std::vector<char> buffer(PATH_MAX + 1); |
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530 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); |
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531 if (bytes == 0) |
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532 { |
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533 throw OrthancException("Unable to get the path to the executable"); |
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534 } |
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535 |
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536 return std::string(&buffer[0]); |
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537 } |
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538 |
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539 #elif defined(__APPLE__) && defined(__MACH__) |
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540 std::string Toolbox::GetPathToExecutable() |
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541 { |
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542 char pathbuf[PATH_MAX + 1]; |
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543 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); |
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544 |
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545 _NSGetExecutablePath( pathbuf, &bufsize); |
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546 |
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547 return std::string(pathbuf); |
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548 } |
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549 |
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550 #else |
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551 #error Support your platform here |
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552 #endif |
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553 |
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554 |
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555 std::string Toolbox::GetDirectoryOfExecutable() |
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556 { |
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557 boost::filesystem::path p(GetPathToExecutable()); |
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558 return p.parent_path().string(); |
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559 } |
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560 |
|
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561 |
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562 std::string Toolbox::ConvertToUtf8(const std::string& source, |
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563 const char* fromEncoding) |
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564 { |
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565 #if BOOST_HAS_LOCALE == 1 |
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566 try |
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567 { |
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568 return boost::locale::conv::to_utf<char>(source, fromEncoding); |
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569 } |
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570 catch (std::runtime_error&) |
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571 { |
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572 // Bad input string or bad encoding |
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573 return ConvertToAscii(source); |
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574 } |
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575 #else |
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576 IconvRabi iconv("UTF-8", fromEncoding); |
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577 try |
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578 { |
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579 return iconv.Convert(source); |
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580 } |
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581 catch (OrthancException) |
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582 { |
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583 return ConvertToAscii(source); |
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584 } |
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585 #endif |
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586 } |
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587 |
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588 |
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589 std::string Toolbox::ConvertToAscii(const std::string& source) |
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590 { |
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591 std::string result; |
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592 |
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593 result.reserve(source.size()); |
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594 for (size_t i = 0; i < source.size(); i++) |
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595 { |
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596 if (source[i] < 128 && source[i] >= 0 && !iscntrl(source[i])) |
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597 { |
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598 result.push_back(source[i]); |
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599 } |
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600 } |
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601 |
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602 return result; |
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603 } |
| 177 | 604 |
| 605 void Toolbox::ComputeSHA1(std::string& result, | |
| 606 const std::string& data) | |
| 607 { | |
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608 boost::uuids::detail::sha1 sha1; |
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609 |
| 177 | 610 if (data.size() > 0) |
| 611 { | |
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612 sha1.process_bytes(&data[0], data.size()); |
| 177 | 613 } |
| 614 | |
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615 unsigned int digest[5]; |
| 177 | 616 |
| 617 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
|
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618 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); |
| 177 | 619 |
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620 sha1.get_digest(digest); |
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621 |
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622 result.resize(8 * 5 + 4); |
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623 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", |
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624 digest[0], |
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625 digest[1], |
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626 digest[2], |
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627 digest[3], |
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628 digest[4]); |
| 177 | 629 } |
| 630 | |
| 402 | 631 bool Toolbox::IsSHA1(const std::string& str) |
| 632 { | |
| 633 if (str.size() != 44) | |
| 634 { | |
| 635 return false; | |
| 636 } | |
| 637 | |
| 638 for (unsigned int i = 0; i < 44; i++) | |
| 639 { | |
| 640 if (i == 8 || | |
| 641 i == 17 || | |
| 642 i == 26 || | |
| 643 i == 35) | |
| 644 { | |
| 645 if (str[i] != '-') | |
| 646 return false; | |
| 647 } | |
| 648 else | |
| 649 { | |
| 650 if (!isalnum(str[i])) | |
| 651 return false; | |
| 652 } | |
| 653 } | |
| 654 | |
| 655 return true; | |
| 656 } | |
| 657 | |
|
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658 std::string Toolbox::GetNowIsoString() |
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659 { |
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660 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); |
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661 return boost::posix_time::to_iso_string(now); |
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662 } |
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663 |
|
247
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664 std::string Toolbox::StripSpaces(const std::string& source) |
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665 { |
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666 size_t first = 0; |
| 177 | 667 |
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668 while (first < source.length() && |
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669 isspace(source[first])) |
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670 { |
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671 first++; |
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672 } |
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673 |
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674 if (first == source.length()) |
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675 { |
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676 // String containing only spaces |
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677 return ""; |
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678 } |
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679 |
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680 size_t last = source.length(); |
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681 while (last > first && |
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682 isspace(source[last - 1])) |
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683 { |
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684 last--; |
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685 } |
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686 |
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687 assert(first <= last); |
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688 return source.substr(first, last - first); |
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689 } |
| 336 | 690 |
| 691 | |
| 337 | 692 static char Hex2Dec(char c) |
| 336 | 693 { |
| 694 return ((c >= '0' && c <= '9') ? c - '0' : | |
| 695 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
| 696 } | |
| 697 | |
| 698 void Toolbox::UrlDecode(std::string& s) | |
| 699 { | |
| 700 // http://en.wikipedia.org/wiki/Percent-encoding | |
| 701 // http://www.w3schools.com/tags/ref_urlencode.asp | |
| 702 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
| 703 | |
| 704 if (s.size() == 0) | |
| 705 { | |
| 706 return; | |
| 707 } | |
| 708 | |
| 709 size_t source = 0; | |
| 710 size_t target = 0; | |
| 711 | |
| 712 while (source < s.size()) | |
| 713 { | |
| 714 if (s[source] == '%' && | |
| 715 source + 2 < s.size() && | |
| 716 isalnum(s[source + 1]) && | |
| 717 isalnum(s[source + 2])) | |
| 718 { | |
| 719 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
| 720 source += 3; | |
| 721 target += 1; | |
| 722 } | |
| 723 else | |
| 724 { | |
| 725 if (s[source] == '+') | |
| 726 s[target] = ' '; | |
| 727 else | |
| 728 s[target] = s[source]; | |
| 729 | |
| 730 source++; | |
| 731 target++; | |
| 732 } | |
| 733 } | |
| 734 | |
| 735 s.resize(target); | |
| 736 } | |
| 453 | 737 |
| 738 | |
| 739 Endianness Toolbox::DetectEndianness() | |
| 740 { | |
| 741 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
| 742 | |
| 743 uint8_t buffer[4]; | |
| 744 | |
| 745 buffer[0] = 0x00; | |
| 746 buffer[1] = 0x01; | |
| 747 buffer[2] = 0x02; | |
| 748 buffer[3] = 0x03; | |
| 749 | |
| 750 switch (*((uint32_t *)buffer)) | |
| 751 { | |
| 752 case 0x00010203: | |
| 753 return Endianness_Big; | |
| 754 | |
| 755 case 0x03020100: | |
| 756 return Endianness_Little; | |
| 757 | |
| 758 default: | |
| 759 throw OrthancException(ErrorCode_NotImplemented); | |
| 760 } | |
| 761 } | |
| 608 | 762 |
| 763 | |
| 764 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
| 765 { | |
| 766 // TODO - Speed up this with a regular expression | |
| 767 | |
| 768 std::string result = source; | |
| 769 | |
| 770 // Escape all special characters | |
| 771 boost::replace_all(result, "\\", "\\\\"); | |
| 772 boost::replace_all(result, "^", "\\^"); | |
| 773 boost::replace_all(result, ".", "\\."); | |
| 774 boost::replace_all(result, "$", "\\$"); | |
| 775 boost::replace_all(result, "|", "\\|"); | |
| 776 boost::replace_all(result, "(", "\\("); | |
| 777 boost::replace_all(result, ")", "\\)"); | |
| 778 boost::replace_all(result, "[", "\\["); | |
| 779 boost::replace_all(result, "]", "\\]"); | |
| 780 boost::replace_all(result, "+", "\\+"); | |
| 781 boost::replace_all(result, "/", "\\/"); | |
| 782 boost::replace_all(result, "{", "\\{"); | |
| 783 boost::replace_all(result, "}", "\\}"); | |
| 784 | |
| 785 // Convert wildcards '*' and '?' to their regex equivalents | |
| 786 boost::replace_all(result, "?", "."); | |
| 787 boost::replace_all(result, "*", ".*"); | |
| 788 | |
| 789 return result; | |
| 790 } | |
| 791 | |
| 792 | |
| 793 | |
| 794 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
| 795 const std::string& value, | |
| 796 char separator) | |
| 797 { | |
| 798 result.clear(); | |
| 799 | |
| 800 std::string currentItem; | |
| 801 | |
| 802 for (size_t i = 0; i < value.size(); i++) | |
| 803 { | |
| 804 if (value[i] == separator) | |
| 805 { | |
| 806 result.push_back(currentItem); | |
| 807 currentItem.clear(); | |
| 808 } | |
| 809 else | |
| 810 { | |
| 811 currentItem.push_back(value[i]); | |
| 812 } | |
| 813 } | |
| 814 | |
| 815 result.push_back(currentItem); | |
| 816 } | |
| 0 | 817 } |
| 608 | 818 |