Mercurial > hg > orthanc
annotate Core/Toolbox.cpp @ 150:1058c115aed1
patch for archlinux
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 16 Oct 2012 15:30:19 +0200 |
parents | fe180eae201d |
children | 81b6f3013738 |
rev | line source |
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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. | |
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 |
37 #include <string.h> | |
38 #include <boost/filesystem.hpp> | |
39 #include <boost/filesystem/fstream.hpp> | |
40 #include <algorithm> | |
107
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41 #include <ctype.h> |
0 | 42 |
43 #if defined(_WIN32) | |
44 #include <windows.h> | |
45 #endif | |
46 | |
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47 #if defined(__APPLE__) && defined(__MACH__) |
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48 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ |
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49 #include <limits.h> /* PATH_MAX */ |
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50 #endif |
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51 |
0 | 52 #if defined(__linux) |
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53 #include <limits.h> /* PATH_MAX */ |
10 | 54 #include <signal.h> |
0 | 55 #include <unistd.h> |
56 #endif | |
57 | |
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58 #if BOOST_HAS_LOCALE == 1 |
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59 #include <boost/locale.hpp> |
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60 #else |
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61 #include <iconv.h> |
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62 #endif |
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63 |
22 | 64 #include "../Resources/md5/md5.h" |
24 | 65 #include "../Resources/base64/base64.h" |
0 | 66 |
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67 |
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68 #if BOOST_HAS_LOCALE == 0 |
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69 namespace |
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70 { |
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71 class IconvRabi |
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72 { |
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73 private: |
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74 iconv_t context_; |
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75 |
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76 public: |
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77 IconvRabi(const char* tocode, const char* fromcode) |
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78 { |
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79 context_ = iconv_open(tocode, fromcode); |
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80 if (!context_) |
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81 { |
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82 throw Orthanc::OrthancException("Unknown code page"); |
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83 } |
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84 } |
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85 |
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86 ~IconvRabi() |
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87 { |
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88 iconv_close(context_); |
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89 } |
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90 |
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91 std::string Convert(const std::string& source) |
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92 { |
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93 if (source.size() == 0) |
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94 { |
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95 return ""; |
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96 } |
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97 |
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98 std::string result; |
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99 char* sourcePos = const_cast<char*>(&source[0]); |
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100 size_t sourceLeft = source.size(); |
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101 |
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102 std::vector<char> storage(source.size() + 10); |
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103 |
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104 while (sourceLeft > 0) |
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105 { |
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106 char* tmp = &storage[0]; |
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107 size_t outputLeft = storage.size(); |
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108 size_t err = iconv(context_, &sourcePos, &sourceLeft, &tmp, &outputLeft); |
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109 if (err < 0) |
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110 { |
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111 throw Orthanc::OrthancException("Bad character in sequence"); |
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112 } |
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113 |
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114 size_t count = storage.size() - outputLeft; |
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115 result += std::string(&storage[0], count); |
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116 } |
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117 |
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118 return result; |
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119 } |
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120 }; |
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121 } |
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122 #endif |
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123 |
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124 |
59 | 125 namespace Orthanc |
0 | 126 { |
127 static bool finish; | |
128 | |
10 | 129 #if defined(_WIN32) |
22 | 130 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) |
131 { | |
132 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
133 finish = true; | |
134 return true; | |
135 } | |
136 #else | |
0 | 137 static void SignalHandler(int) |
138 { | |
139 finish = true; | |
140 } | |
22 | 141 #endif |
0 | 142 |
143 void Toolbox::Sleep(uint32_t seconds) | |
144 { | |
145 #if defined(_WIN32) | |
146 ::Sleep(static_cast<DWORD>(seconds) * static_cast<DWORD>(1000)); | |
147 #elif defined(__linux) | |
148 usleep(static_cast<uint64_t>(seconds) * static_cast<uint64_t>(1000000)); | |
149 #else | |
150 #error Support your platform here | |
151 #endif | |
152 } | |
153 | |
154 void Toolbox::USleep(uint64_t microSeconds) | |
155 { | |
156 #if defined(_WIN32) | |
8 | 157 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); |
0 | 158 #elif defined(__linux) |
159 usleep(microSeconds); | |
160 #else | |
161 #error Support your platform here | |
162 #endif | |
163 } | |
164 | |
165 | |
166 void Toolbox::ServerBarrier() | |
167 { | |
10 | 168 #if defined(_WIN32) |
169 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
170 #else | |
0 | 171 signal(SIGINT, SignalHandler); |
172 signal(SIGQUIT, SignalHandler); | |
173 #endif | |
174 | |
175 finish = false; | |
176 while (!finish) | |
177 { | |
178 USleep(100000); | |
179 } | |
180 | |
10 | 181 #if defined(_WIN32) |
182 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
183 #else | |
0 | 184 signal(SIGINT, NULL); |
185 signal(SIGQUIT, NULL); | |
186 #endif | |
187 } | |
188 | |
189 | |
190 | |
191 void Toolbox::ToUpperCase(std::string& s) | |
192 { | |
193 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
194 } | |
195 | |
196 | |
197 void Toolbox::ToLowerCase(std::string& s) | |
198 { | |
199 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
200 } | |
201 | |
202 | |
203 | |
204 void Toolbox::ReadFile(std::string& content, | |
205 const std::string& path) | |
206 { | |
207 boost::filesystem::ifstream f; | |
208 f.open(path, std::ifstream::in | std::ios::binary); | |
209 if (!f.good()) | |
210 { | |
59 | 211 throw OrthancException("Unable to open a file"); |
0 | 212 } |
213 | |
214 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
215 f.seekg(0, std::ios::end); | |
216 std::streamsize size = f.tellg(); | |
217 f.seekg(0, std::ios::beg); | |
218 | |
219 content.resize(size); | |
220 if (size != 0) | |
221 { | |
222 f.read(reinterpret_cast<char*>(&content[0]), size); | |
223 } | |
224 | |
225 f.close(); | |
226 } | |
227 | |
228 | |
229 void Toolbox::RemoveFile(const std::string& path) | |
230 { | |
231 if (boost::filesystem::exists(path)) | |
232 { | |
233 if (boost::filesystem::is_regular_file(path)) | |
234 boost::filesystem::remove(path); | |
235 else | |
59 | 236 throw OrthancException("The path is not a regular file: " + path); |
0 | 237 } |
238 } | |
239 | |
240 | |
241 | |
242 void Toolbox::SplitUriComponents(UriComponents& components, | |
243 const std::string& uri) | |
244 { | |
245 static const char URI_SEPARATOR = '/'; | |
246 | |
247 components.clear(); | |
248 | |
249 if (uri.size() == 0 || | |
250 uri[0] != URI_SEPARATOR) | |
251 { | |
59 | 252 throw OrthancException(ErrorCode_UriSyntax); |
0 | 253 } |
254 | |
255 // Count the number of slashes in the URI to make an assumption | |
256 // about the number of components in the URI | |
257 unsigned int estimatedSize = 0; | |
258 for (unsigned int i = 0; i < uri.size(); i++) | |
259 { | |
260 if (uri[i] == URI_SEPARATOR) | |
261 estimatedSize++; | |
262 } | |
263 | |
264 components.reserve(estimatedSize - 1); | |
265 | |
266 unsigned int start = 1; | |
267 unsigned int end = 1; | |
268 while (end < uri.size()) | |
269 { | |
270 // This is the loop invariant | |
271 assert(uri[start - 1] == '/' && (end >= start)); | |
272 | |
273 if (uri[end] == '/') | |
274 { | |
275 components.push_back(std::string(&uri[start], end - start)); | |
276 end++; | |
277 start = end; | |
278 } | |
279 else | |
280 { | |
281 end++; | |
282 } | |
283 } | |
284 | |
285 if (start < uri.size()) | |
286 { | |
287 components.push_back(std::string(&uri[start], end - start)); | |
288 } | |
289 } | |
290 | |
291 | |
292 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
293 const UriComponents& testedUri) | |
294 { | |
295 if (testedUri.size() < baseUri.size()) | |
296 { | |
297 return false; | |
298 } | |
299 | |
300 for (size_t i = 0; i < baseUri.size(); i++) | |
301 { | |
302 if (baseUri[i] != testedUri[i]) | |
303 return false; | |
304 } | |
305 | |
306 return true; | |
307 } | |
308 | |
309 | |
310 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
311 { | |
312 std::string contentType; | |
313 size_t lastDot = path.rfind('.'); | |
314 size_t lastSlash = path.rfind('/'); | |
315 | |
316 if (lastDot == std::string::npos || | |
317 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
318 { | |
319 // No trailing dot, unable to detect the content type | |
320 } | |
321 else | |
322 { | |
323 const char* extension = &path[lastDot + 1]; | |
324 | |
325 // http://en.wikipedia.org/wiki/Mime_types | |
326 // Text types | |
327 if (!strcmp(extension, "txt")) | |
328 contentType = "text/plain"; | |
329 else if (!strcmp(extension, "html")) | |
330 contentType = "text/html"; | |
331 else if (!strcmp(extension, "xml")) | |
332 contentType = "text/xml"; | |
333 else if (!strcmp(extension, "css")) | |
334 contentType = "text/css"; | |
335 | |
336 // Application types | |
337 else if (!strcmp(extension, "js")) | |
338 contentType = "application/javascript"; | |
339 else if (!strcmp(extension, "json")) | |
340 contentType = "application/json"; | |
341 else if (!strcmp(extension, "pdf")) | |
342 contentType = "application/pdf"; | |
343 | |
344 // Images types | |
345 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
346 contentType = "image/jpeg"; | |
347 else if (!strcmp(extension, "gif")) | |
348 contentType = "image/gif"; | |
349 else if (!strcmp(extension, "png")) | |
350 contentType = "image/png"; | |
351 } | |
352 | |
353 return contentType; | |
354 } | |
355 | |
356 | |
357 std::string Toolbox::FlattenUri(const UriComponents& components, | |
358 size_t fromLevel) | |
359 { | |
360 if (components.size() <= fromLevel) | |
361 { | |
362 return "/"; | |
363 } | |
364 else | |
365 { | |
366 std::string r; | |
367 | |
368 for (size_t i = fromLevel; i < components.size(); i++) | |
369 { | |
370 r += "/" + components[i]; | |
371 } | |
372 | |
373 return r; | |
374 } | |
375 } | |
376 | |
377 | |
378 | |
379 uint64_t Toolbox::GetFileSize(const std::string& path) | |
380 { | |
381 try | |
382 { | |
383 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
384 } | |
385 catch (boost::filesystem::filesystem_error) | |
386 { | |
59 | 387 throw OrthancException(ErrorCode_InexistentFile); |
0 | 388 } |
389 } | |
22 | 390 |
391 | |
392 static char GetHexadecimalCharacter(uint8_t value) | |
393 { | |
394 assert(value < 16); | |
395 | |
396 if (value < 10) | |
397 return value + '0'; | |
398 else | |
399 return (value - 10) + 'a'; | |
400 } | |
401 | |
23 | 402 |
22 | 403 void Toolbox::ComputeMD5(std::string& result, |
404 const std::string& data) | |
405 { | |
406 md5_state_s state; | |
407 md5_init(&state); | |
408 | |
409 if (data.size() > 0) | |
410 { | |
411 md5_append(&state, reinterpret_cast<const md5_byte_t*>(&data[0]), | |
412 static_cast<int>(data.size())); | |
413 } | |
414 | |
415 md5_byte_t actualHash[16]; | |
416 md5_finish(&state, actualHash); | |
417 | |
418 result.resize(32); | |
419 for (unsigned int i = 0; i < 16; i++) | |
420 { | |
421 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
422 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
423 } | |
424 } | |
24 | 425 |
426 | |
427 std::string Toolbox::EncodeBase64(const std::string& data) | |
428 { | |
86 | 429 return base64_encode(data); |
24 | 430 } |
431 | |
87
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432 |
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433 #if defined(_WIN32) |
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434 std::string Toolbox::GetPathToExecutable() |
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435 { |
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436 // Yes, this is ugly, but there is no simple way to get the |
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437 // required buffer size, so we use a big constant |
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438 std::vector<char> buffer(32768); |
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439 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); |
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440 return std::string(&buffer[0]); |
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441 } |
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442 |
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443 #elif defined(__linux) |
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444 std::string Toolbox::GetPathToExecutable() |
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445 { |
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446 std::vector<char> buffer(PATH_MAX + 1); |
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447 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); |
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448 if (bytes == 0) |
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449 { |
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450 throw OrthancException("Unable to get the path to the executable"); |
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451 } |
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452 |
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453 return std::string(&buffer[0]); |
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454 } |
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455 |
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456 #elif defined(__APPLE__) && defined(__MACH__) |
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457 std::string Toolbox::GetPathToExecutable() |
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458 { |
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459 char pathbuf[PATH_MAX + 1]; |
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460 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); |
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461 |
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462 _NSGetExecutablePath( pathbuf, &bufsize); |
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463 |
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464 return std::string(pathbuf); |
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465 } |
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466 |
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467 #else |
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468 #error Support your platform here |
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469 #endif |
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470 |
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471 |
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472 std::string Toolbox::GetDirectoryOfExecutable() |
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473 { |
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474 boost::filesystem::path p(GetPathToExecutable()); |
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475 return p.parent_path().string(); |
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476 } |
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477 |
107
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478 |
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479 std::string Toolbox::ConvertToUtf8(const std::string& source, |
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480 const char* fromEncoding) |
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481 { |
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482 #if BOOST_HAS_LOCALE == 1 |
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483 try |
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484 { |
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485 return boost::locale::conv::to_utf<char>(source, fromEncoding); |
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486 } |
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487 catch (std::runtime_error&) |
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488 { |
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489 // Bad input string or bad encoding |
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490 return ConvertToAscii(source); |
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491 } |
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492 #else |
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493 IconvRabi iconv("UTF-8", fromEncoding); |
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494 try |
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495 { |
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496 return iconv.Convert(source); |
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497 } |
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498 catch (OrthancException) |
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499 { |
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500 return ConvertToAscii(source); |
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501 } |
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502 #endif |
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503 } |
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504 |
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505 |
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506 std::string Toolbox::ConvertToAscii(const std::string& source) |
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507 { |
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508 std::string result; |
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509 |
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510 result.reserve(source.size()); |
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511 for (size_t i = 0; i < source.size(); i++) |
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512 { |
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513 if (source[i] < 128 && source[i] >= 0 && !iscntrl(source[i])) |
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514 { |
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515 result.push_back(source[i]); |
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516 } |
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517 } |
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518 |
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519 return result; |
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520 } |
0 | 521 } |