Mercurial > hg > orthanc
annotate Core/Toolbox.cpp @ 110:fd7b0a3e6260
support of boost 1.42 for debian
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 04 Oct 2012 12:33:31 +0200 |
| parents | 3b45473c0a73 |
| children | fe180eae201d |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
| 0 | 3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege, |
| 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. | |
| 10 * | |
| 11 * This program is distributed in the hope that it will be useful, but | |
| 12 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 * General Public License for more details. | |
| 15 * | |
| 16 * You should have received a copy of the GNU General Public License | |
| 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 18 **/ | |
| 19 | |
| 20 | |
| 21 #include "Toolbox.h" | |
| 22 | |
| 59 | 23 #include "OrthancException.h" |
| 0 | 24 |
| 25 #include <string.h> | |
| 26 #include <boost/filesystem.hpp> | |
| 27 #include <boost/filesystem/fstream.hpp> | |
| 28 #include <algorithm> | |
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29 #include <ctype.h> |
| 0 | 30 |
| 31 #if defined(_WIN32) | |
| 32 #include <windows.h> | |
| 33 #endif | |
| 34 | |
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35 #if defined(__APPLE__) && defined(__MACH__) |
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36 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ |
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37 #include <limits.h> /* PATH_MAX */ |
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38 #endif |
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39 |
| 0 | 40 #if defined(__linux) |
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41 #include <limits.h> /* PATH_MAX */ |
| 10 | 42 #include <signal.h> |
| 0 | 43 #include <unistd.h> |
| 44 #endif | |
| 45 | |
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46 #if BOOST_HAS_LOCALE == 1 |
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47 #include <boost/locale.hpp> |
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48 #else |
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49 #include <iconv.h> |
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50 #endif |
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51 |
| 22 | 52 #include "../Resources/md5/md5.h" |
| 24 | 53 #include "../Resources/base64/base64.h" |
| 0 | 54 |
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55 |
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56 #if BOOST_HAS_LOCALE == 0 |
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57 namespace |
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58 { |
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59 class IconvRabi |
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60 { |
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61 private: |
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62 iconv_t context_; |
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63 |
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64 public: |
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65 IconvRabi(const char* tocode, const char* fromcode) |
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66 { |
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67 context_ = iconv_open(tocode, fromcode); |
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68 if (!context_) |
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69 { |
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70 throw Orthanc::OrthancException("Unknown code page"); |
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71 } |
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72 } |
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73 |
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74 ~IconvRabi() |
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75 { |
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76 iconv_close(context_); |
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77 } |
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78 |
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79 std::string Convert(const std::string& source) |
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80 { |
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81 if (source.size() == 0) |
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82 { |
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83 return ""; |
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84 } |
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85 |
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86 std::string result; |
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87 char* sourcePos = const_cast<char*>(&source[0]); |
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88 size_t sourceLeft = source.size(); |
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89 |
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90 std::vector<char> storage(source.size() + 10); |
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91 |
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92 while (sourceLeft > 0) |
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93 { |
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94 char* tmp = &storage[0]; |
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95 size_t outputLeft = storage.size(); |
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96 size_t err = iconv(context_, &sourcePos, &sourceLeft, &tmp, &outputLeft); |
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97 if (err < 0) |
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98 { |
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99 throw Orthanc::OrthancException("Bad character in sequence"); |
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100 } |
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101 |
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102 size_t count = storage.size() - outputLeft; |
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103 result += std::string(&storage[0], count); |
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104 } |
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105 |
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106 return result; |
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107 } |
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108 }; |
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109 } |
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110 #endif |
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111 |
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112 |
| 59 | 113 namespace Orthanc |
| 0 | 114 { |
| 115 static bool finish; | |
| 116 | |
| 10 | 117 #if defined(_WIN32) |
| 22 | 118 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) |
| 119 { | |
| 120 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
| 121 finish = true; | |
| 122 return true; | |
| 123 } | |
| 124 #else | |
| 0 | 125 static void SignalHandler(int) |
| 126 { | |
| 127 finish = true; | |
| 128 } | |
| 22 | 129 #endif |
| 0 | 130 |
| 131 void Toolbox::Sleep(uint32_t seconds) | |
| 132 { | |
| 133 #if defined(_WIN32) | |
| 134 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000)); | |
| 135 #elif defined(__linux) | |
| 136 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000)); | |
| 137 #else | |
| 138 #error Support your platform here | |
| 139 #endif | |
| 140 } | |
| 141 | |
| 142 void Toolbox::USleep(uint64_t microSeconds) | |
| 143 { | |
| 144 #if defined(_WIN32) | |
| 8 | 145 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); |
| 0 | 146 #elif defined(__linux) |
| 147 usleep(microSeconds); | |
| 148 #else | |
| 149 #error Support your platform here | |
| 150 #endif | |
| 151 } | |
| 152 | |
| 153 | |
| 154 void Toolbox::ServerBarrier() | |
| 155 { | |
| 10 | 156 #if defined(_WIN32) |
| 157 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
| 158 #else | |
| 0 | 159 signal(SIGINT, SignalHandler); |
| 160 signal(SIGQUIT, SignalHandler); | |
| 161 #endif | |
| 162 | |
| 163 finish = false; | |
| 164 while (!finish) | |
| 165 { | |
| 166 USleep(100000); | |
| 167 } | |
| 168 | |
| 10 | 169 #if defined(_WIN32) |
| 170 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
| 171 #else | |
| 0 | 172 signal(SIGINT, NULL); |
| 173 signal(SIGQUIT, NULL); | |
| 174 #endif | |
| 175 } | |
| 176 | |
| 177 | |
| 178 | |
| 179 void Toolbox::ToUpperCase(std::string& s) | |
| 180 { | |
| 181 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
| 182 } | |
| 183 | |
| 184 | |
| 185 void Toolbox::ToLowerCase(std::string& s) | |
| 186 { | |
| 187 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
| 188 } | |
| 189 | |
| 190 | |
| 191 | |
| 192 void Toolbox::ReadFile(std::string& content, | |
| 193 const std::string& path) | |
| 194 { | |
| 195 boost::filesystem::ifstream f; | |
| 196 f.open(path, std::ifstream::in | std::ios::binary); | |
| 197 if (!f.good()) | |
| 198 { | |
| 59 | 199 throw OrthancException("Unable to open a file"); |
| 0 | 200 } |
| 201 | |
| 202 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
| 203 f.seekg(0, std::ios::end); | |
| 204 std::streamsize size = f.tellg(); | |
| 205 f.seekg(0, std::ios::beg); | |
| 206 | |
| 207 content.resize(size); | |
| 208 if (size != 0) | |
| 209 { | |
| 210 f.read(reinterpret_cast<char*>(&content[0]), size); | |
| 211 } | |
| 212 | |
| 213 f.close(); | |
| 214 } | |
| 215 | |
| 216 | |
| 217 void Toolbox::RemoveFile(const std::string& path) | |
| 218 { | |
| 219 if (boost::filesystem::exists(path)) | |
| 220 { | |
| 221 if (boost::filesystem::is_regular_file(path)) | |
| 222 boost::filesystem::remove(path); | |
| 223 else | |
| 59 | 224 throw OrthancException("The path is not a regular file: " + path); |
| 0 | 225 } |
| 226 } | |
| 227 | |
| 228 | |
| 229 | |
| 230 void Toolbox::SplitUriComponents(UriComponents& components, | |
| 231 const std::string& uri) | |
| 232 { | |
| 233 static const char URI_SEPARATOR = '/'; | |
| 234 | |
| 235 components.clear(); | |
| 236 | |
| 237 if (uri.size() == 0 || | |
| 238 uri[0] != URI_SEPARATOR) | |
| 239 { | |
| 59 | 240 throw OrthancException(ErrorCode_UriSyntax); |
| 0 | 241 } |
| 242 | |
| 243 // Count the number of slashes in the URI to make an assumption | |
| 244 // about the number of components in the URI | |
| 245 unsigned int estimatedSize = 0; | |
| 246 for (unsigned int i = 0; i < uri.size(); i++) | |
| 247 { | |
| 248 if (uri[i] == URI_SEPARATOR) | |
| 249 estimatedSize++; | |
| 250 } | |
| 251 | |
| 252 components.reserve(estimatedSize - 1); | |
| 253 | |
| 254 unsigned int start = 1; | |
| 255 unsigned int end = 1; | |
| 256 while (end < uri.size()) | |
| 257 { | |
| 258 // This is the loop invariant | |
| 259 assert(uri[start - 1] == '/' && (end >= start)); | |
| 260 | |
| 261 if (uri[end] == '/') | |
| 262 { | |
| 263 components.push_back(std::string(&uri[start], end - start)); | |
| 264 end++; | |
| 265 start = end; | |
| 266 } | |
| 267 else | |
| 268 { | |
| 269 end++; | |
| 270 } | |
| 271 } | |
| 272 | |
| 273 if (start < uri.size()) | |
| 274 { | |
| 275 components.push_back(std::string(&uri[start], end - start)); | |
| 276 } | |
| 277 } | |
| 278 | |
| 279 | |
| 280 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
| 281 const UriComponents& testedUri) | |
| 282 { | |
| 283 if (testedUri.size() < baseUri.size()) | |
| 284 { | |
| 285 return false; | |
| 286 } | |
| 287 | |
| 288 for (size_t i = 0; i < baseUri.size(); i++) | |
| 289 { | |
| 290 if (baseUri[i] != testedUri[i]) | |
| 291 return false; | |
| 292 } | |
| 293 | |
| 294 return true; | |
| 295 } | |
| 296 | |
| 297 | |
| 298 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
| 299 { | |
| 300 std::string contentType; | |
| 301 size_t lastDot = path.rfind('.'); | |
| 302 size_t lastSlash = path.rfind('/'); | |
| 303 | |
| 304 if (lastDot == std::string::npos || | |
| 305 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
| 306 { | |
| 307 // No trailing dot, unable to detect the content type | |
| 308 } | |
| 309 else | |
| 310 { | |
| 311 const char* extension = &path[lastDot + 1]; | |
| 312 | |
| 313 // http://en.wikipedia.org/wiki/Mime_types | |
| 314 // Text types | |
| 315 if (!strcmp(extension, "txt")) | |
| 316 contentType = "text/plain"; | |
| 317 else if (!strcmp(extension, "html")) | |
| 318 contentType = "text/html"; | |
| 319 else if (!strcmp(extension, "xml")) | |
| 320 contentType = "text/xml"; | |
| 321 else if (!strcmp(extension, "css")) | |
| 322 contentType = "text/css"; | |
| 323 | |
| 324 // Application types | |
| 325 else if (!strcmp(extension, "js")) | |
| 326 contentType = "application/javascript"; | |
| 327 else if (!strcmp(extension, "json")) | |
| 328 contentType = "application/json"; | |
| 329 else if (!strcmp(extension, "pdf")) | |
| 330 contentType = "application/pdf"; | |
| 331 | |
| 332 // Images types | |
| 333 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
| 334 contentType = "image/jpeg"; | |
| 335 else if (!strcmp(extension, "gif")) | |
| 336 contentType = "image/gif"; | |
| 337 else if (!strcmp(extension, "png")) | |
| 338 contentType = "image/png"; | |
| 339 } | |
| 340 | |
| 341 return contentType; | |
| 342 } | |
| 343 | |
| 344 | |
| 345 std::string Toolbox::FlattenUri(const UriComponents& components, | |
| 346 size_t fromLevel) | |
| 347 { | |
| 348 if (components.size() <= fromLevel) | |
| 349 { | |
| 350 return "/"; | |
| 351 } | |
| 352 else | |
| 353 { | |
| 354 std::string r; | |
| 355 | |
| 356 for (size_t i = fromLevel; i < components.size(); i++) | |
| 357 { | |
| 358 r += "/" + components[i]; | |
| 359 } | |
| 360 | |
| 361 return r; | |
| 362 } | |
| 363 } | |
| 364 | |
| 365 | |
| 366 | |
| 367 uint64_t Toolbox::GetFileSize(const std::string& path) | |
| 368 { | |
| 369 try | |
| 370 { | |
| 371 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
| 372 } | |
| 373 catch (boost::filesystem::filesystem_error) | |
| 374 { | |
| 59 | 375 throw OrthancException(ErrorCode_InexistentFile); |
| 0 | 376 } |
| 377 } | |
| 22 | 378 |
| 379 | |
| 380 static char GetHexadecimalCharacter(uint8_t value) | |
| 381 { | |
| 382 assert(value < 16); | |
| 383 | |
| 384 if (value < 10) | |
| 385 return value + '0'; | |
| 386 else | |
| 387 return (value - 10) + 'a'; | |
| 388 } | |
| 389 | |
| 23 | 390 |
| 22 | 391 void Toolbox::ComputeMD5(std::string& result, |
| 392 const std::string& data) | |
| 393 { | |
| 394 md5_state_s state; | |
| 395 md5_init(&state); | |
| 396 | |
| 397 if (data.size() > 0) | |
| 398 { | |
| 399 md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]), | |
| 400 static_cast<int>(data.size())); | |
| 401 } | |
| 402 | |
| 403 md5_byte_t actualHash[16]; | |
| 404 md5_finish(&state, actualHash); | |
| 405 | |
| 406 result.resize(32); | |
| 407 for (unsigned int i = 0; i < 16; i++) | |
| 408 { | |
| 409 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
| 410 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
| 411 } | |
| 412 } | |
| 24 | 413 |
| 414 | |
| 415 std::string Toolbox::EncodeBase64(const std::string& data) | |
| 416 { | |
| 86 | 417 return base64_encode(data); |
| 24 | 418 } |
| 419 | |
|
87
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420 |
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421 #if defined(_WIN32) |
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422 std::string Toolbox::GetPathToExecutable() |
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423 { |
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424 // Yes, this is ugly, but there is no simple way to get the |
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425 // required buffer size, so we use a big constant |
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426 std::vector<char> buffer(32768); |
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427 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); |
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428 return std::string(&buffer[0]); |
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429 } |
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430 |
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431 #elif defined(__linux) |
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432 std::string Toolbox::GetPathToExecutable() |
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433 { |
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434 std::vector<char> buffer(PATH_MAX + 1); |
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435 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); |
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436 if (bytes == 0) |
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437 { |
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438 throw OrthancException("Unable to get the path to the executable"); |
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439 } |
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440 |
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441 return std::string(&buffer[0]); |
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442 } |
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443 |
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444 #elif defined(__APPLE__) && defined(__MACH__) |
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445 std::string Toolbox::GetPathToExecutable() |
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446 { |
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447 char pathbuf[PATH_MAX + 1]; |
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448 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); |
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449 |
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450 _NSGetExecutablePath( pathbuf, &bufsize); |
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451 |
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452 return std::string(pathbuf); |
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453 } |
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454 |
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455 #else |
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456 #error Support your platform here |
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457 #endif |
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458 |
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459 |
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460 std::string Toolbox::GetDirectoryOfExecutable() |
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461 { |
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462 boost::filesystem::path p(GetPathToExecutable()); |
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463 return p.parent_path().string(); |
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464 } |
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465 |
|
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466 |
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467 std::string Toolbox::ConvertToUtf8(const std::string& source, |
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468 const char* fromEncoding) |
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469 { |
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470 #if BOOST_HAS_LOCALE == 1 |
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471 try |
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472 { |
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473 return boost::locale::conv::to_utf<char>(source, fromEncoding); |
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474 } |
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475 catch (std::runtime_error&) |
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476 { |
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477 // Bad input string or bad encoding |
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478 return ConvertToAscii(source); |
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479 } |
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480 #else |
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481 IconvRabi iconv("UTF-8", fromEncoding); |
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482 try |
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483 { |
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484 return iconv.Convert(source); |
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485 } |
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486 catch (OrthancException) |
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487 { |
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488 return ConvertToAscii(source); |
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489 } |
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490 #endif |
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491 } |
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492 |
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493 |
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494 std::string Toolbox::ConvertToAscii(const std::string& source) |
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495 { |
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496 std::string result; |
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497 |
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498 result.reserve(source.size()); |
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499 for (size_t i = 0; i < source.size(); i++) |
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500 { |
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501 if (source[i] < 128 && source[i] >= 0 && !iscntrl(source[i])) |
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502 { |
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503 result.push_back(source[i]); |
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504 } |
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505 } |
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506 |
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507 return result; |
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508 } |
| 0 | 509 } |