Mercurial > hg > orthanc-webviewer
annotate Orthanc/Core/Toolbox.cpp @ 70:f869ea124433
merge
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 07 Aug 2015 21:24:03 +0200 |
parents | fe8dab5c051f 78aa0a355d3a |
children |
rev | line source |
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25 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, 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 * 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. | |
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 "PrecompiledHeaders.h" | |
34 #include "Toolbox.h" | |
35 | |
36 #include "OrthancException.h" | |
65 | 37 #include "Logging.h" |
25 | 38 |
39 #include <string> | |
40 #include <stdint.h> | |
41 #include <string.h> | |
42 #include <boost/filesystem.hpp> | |
43 #include <boost/filesystem/fstream.hpp> | |
44 #include <boost/uuid/sha1.hpp> | |
45 #include <boost/lexical_cast.hpp> | |
46 #include <algorithm> | |
47 #include <ctype.h> | |
48 | |
49 #if BOOST_HAS_DATE_TIME == 1 | |
50 #include <boost/date_time/posix_time/posix_time.hpp> | |
51 #endif | |
52 | |
53 #if BOOST_HAS_REGEX == 1 | |
54 #include <boost/regex.hpp> | |
55 #endif | |
56 | |
57 #if defined(_WIN32) | |
58 #include <windows.h> | |
65 | 59 #include <process.h> // For "_spawnvp()" and "_getpid()" |
25 | 60 #else |
61 #include <unistd.h> // For "execvp()" | |
62 #include <sys/wait.h> // For "waitpid()" | |
63 #endif | |
64 | |
65 #if defined(__APPLE__) && defined(__MACH__) | |
66 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ | |
67 #include <limits.h> /* PATH_MAX */ | |
68 #endif | |
69 | |
70 #if defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
71 #include <limits.h> /* PATH_MAX */ | |
72 #include <signal.h> | |
73 #include <unistd.h> | |
74 #endif | |
75 | |
76 #if BOOST_HAS_LOCALE != 1 | |
77 #error Since version 0.7.6, Orthanc entirely relies on boost::locale | |
78 #endif | |
79 | |
80 #include <boost/locale.hpp> | |
81 | |
60
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82 |
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83 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 |
25 | 84 #include "../Resources/ThirdParty/md5/md5.h" |
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85 #endif |
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86 |
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87 |
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88 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 |
25 | 89 #include "../Resources/ThirdParty/base64/base64.h" |
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90 #endif |
25 | 91 |
92 | |
93 #if defined(_MSC_VER) && (_MSC_VER < 1800) | |
94 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013 | |
95 extern "C" | |
96 { | |
97 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
98 int64_t strtoll(const char *nptr, char **endptr, int base) | |
99 { | |
100 return _strtoi64(nptr, endptr, base); | |
101 } | |
102 } | |
103 #endif | |
104 | |
105 | |
106 #if ORTHANC_PUGIXML_ENABLED == 1 | |
107 #include "ChunkedBuffer.h" | |
108 #include <pugixml.hpp> | |
109 #endif | |
110 | |
111 | |
112 namespace Orthanc | |
113 { | |
114 static bool finish; | |
115 | |
116 #if defined(_WIN32) | |
117 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) | |
118 { | |
119 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
120 finish = true; | |
121 return true; | |
122 } | |
123 #else | |
124 static void SignalHandler(int) | |
125 { | |
126 finish = true; | |
127 } | |
128 #endif | |
129 | |
130 void Toolbox::USleep(uint64_t microSeconds) | |
131 { | |
132 #if defined(_WIN32) | |
133 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); | |
134 #elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
135 usleep(microSeconds); | |
136 #else | |
137 #error Support your platform here | |
138 #endif | |
139 } | |
140 | |
141 | |
142 static void ServerBarrierInternal(const bool* stopFlag) | |
143 { | |
144 #if defined(_WIN32) | |
145 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
146 #else | |
147 signal(SIGINT, SignalHandler); | |
148 signal(SIGQUIT, SignalHandler); | |
149 signal(SIGTERM, SignalHandler); | |
150 #endif | |
151 | |
152 // Active loop that awakens every 100ms | |
153 finish = false; | |
154 while (!(*stopFlag || finish)) | |
155 { | |
156 Toolbox::USleep(100 * 1000); | |
157 } | |
158 | |
159 #if defined(_WIN32) | |
160 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
161 #else | |
162 signal(SIGINT, NULL); | |
163 signal(SIGQUIT, NULL); | |
164 signal(SIGTERM, NULL); | |
165 #endif | |
166 } | |
167 | |
168 | |
169 void Toolbox::ServerBarrier(const bool& stopFlag) | |
170 { | |
171 ServerBarrierInternal(&stopFlag); | |
172 } | |
173 | |
174 void Toolbox::ServerBarrier() | |
175 { | |
176 const bool stopFlag = false; | |
177 ServerBarrierInternal(&stopFlag); | |
178 } | |
179 | |
180 | |
181 void Toolbox::ToUpperCase(std::string& s) | |
182 { | |
183 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
184 } | |
185 | |
186 | |
187 void Toolbox::ToLowerCase(std::string& s) | |
188 { | |
189 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
190 } | |
191 | |
192 | |
193 void Toolbox::ToUpperCase(std::string& result, | |
194 const std::string& source) | |
195 { | |
196 result = source; | |
197 ToUpperCase(result); | |
198 } | |
199 | |
200 void Toolbox::ToLowerCase(std::string& result, | |
201 const std::string& source) | |
202 { | |
203 result = source; | |
204 ToLowerCase(result); | |
205 } | |
206 | |
207 | |
208 void Toolbox::ReadFile(std::string& content, | |
209 const std::string& path) | |
210 { | |
211 boost::filesystem::ifstream f; | |
212 f.open(path, std::ifstream::in | std::ifstream::binary); | |
213 if (!f.good()) | |
214 { | |
215 throw OrthancException(ErrorCode_InexistentFile); | |
216 } | |
217 | |
218 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
219 f.seekg(0, std::ios::end); | |
220 std::streamsize size = f.tellg(); | |
221 f.seekg(0, std::ios::beg); | |
222 | |
223 content.resize(size); | |
224 if (size != 0) | |
225 { | |
226 f.read(reinterpret_cast<char*>(&content[0]), size); | |
227 } | |
228 | |
229 f.close(); | |
230 } | |
231 | |
232 | |
233 void Toolbox::WriteFile(const std::string& content, | |
234 const std::string& path) | |
235 { | |
236 boost::filesystem::ofstream f; | |
237 f.open(path, std::ofstream::binary); | |
238 if (!f.good()) | |
239 { | |
240 throw OrthancException(ErrorCode_CannotWriteFile); | |
241 } | |
242 | |
243 if (content.size() != 0) | |
244 { | |
245 f.write(content.c_str(), content.size()); | |
246 } | |
247 | |
248 f.close(); | |
249 } | |
250 | |
251 | |
252 | |
253 void Toolbox::RemoveFile(const std::string& path) | |
254 { | |
255 if (boost::filesystem::exists(path)) | |
256 { | |
257 if (boost::filesystem::is_regular_file(path)) | |
258 boost::filesystem::remove(path); | |
259 else | |
260 throw OrthancException("The path is not a regular file: " + path); | |
261 } | |
262 } | |
263 | |
264 | |
265 | |
266 void Toolbox::SplitUriComponents(UriComponents& components, | |
267 const std::string& uri) | |
268 { | |
269 static const char URI_SEPARATOR = '/'; | |
270 | |
271 components.clear(); | |
272 | |
273 if (uri.size() == 0 || | |
274 uri[0] != URI_SEPARATOR) | |
275 { | |
276 throw OrthancException(ErrorCode_UriSyntax); | |
277 } | |
278 | |
279 // Count the number of slashes in the URI to make an assumption | |
280 // about the number of components in the URI | |
281 unsigned int estimatedSize = 0; | |
282 for (unsigned int i = 0; i < uri.size(); i++) | |
283 { | |
284 if (uri[i] == URI_SEPARATOR) | |
285 estimatedSize++; | |
286 } | |
287 | |
288 components.reserve(estimatedSize - 1); | |
289 | |
290 unsigned int start = 1; | |
291 unsigned int end = 1; | |
292 while (end < uri.size()) | |
293 { | |
294 // This is the loop invariant | |
295 assert(uri[start - 1] == '/' && (end >= start)); | |
296 | |
297 if (uri[end] == '/') | |
298 { | |
299 components.push_back(std::string(&uri[start], end - start)); | |
300 end++; | |
301 start = end; | |
302 } | |
303 else | |
304 { | |
305 end++; | |
306 } | |
307 } | |
308 | |
309 if (start < uri.size()) | |
310 { | |
311 components.push_back(std::string(&uri[start], end - start)); | |
312 } | |
313 | |
314 for (size_t i = 0; i < components.size(); i++) | |
315 { | |
316 if (components[i].size() == 0) | |
317 { | |
318 // Empty component, as in: "/coucou//e" | |
319 throw OrthancException(ErrorCode_UriSyntax); | |
320 } | |
321 } | |
322 } | |
323 | |
324 | |
325 void Toolbox::TruncateUri(UriComponents& target, | |
326 const UriComponents& source, | |
327 size_t fromLevel) | |
328 { | |
329 target.clear(); | |
330 | |
331 if (source.size() > fromLevel) | |
332 { | |
333 target.resize(source.size() - fromLevel); | |
334 | |
335 size_t j = 0; | |
336 for (size_t i = fromLevel; i < source.size(); i++, j++) | |
337 { | |
338 target[j] = source[i]; | |
339 } | |
340 | |
341 assert(j == target.size()); | |
342 } | |
343 } | |
344 | |
345 | |
346 | |
347 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
348 const UriComponents& testedUri) | |
349 { | |
350 if (testedUri.size() < baseUri.size()) | |
351 { | |
352 return false; | |
353 } | |
354 | |
355 for (size_t i = 0; i < baseUri.size(); i++) | |
356 { | |
357 if (baseUri[i] != testedUri[i]) | |
358 return false; | |
359 } | |
360 | |
361 return true; | |
362 } | |
363 | |
364 | |
365 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
366 { | |
367 std::string contentType; | |
368 size_t lastDot = path.rfind('.'); | |
369 size_t lastSlash = path.rfind('/'); | |
370 | |
371 if (lastDot == std::string::npos || | |
372 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
373 { | |
374 // No trailing dot, unable to detect the content type | |
375 } | |
376 else | |
377 { | |
378 const char* extension = &path[lastDot + 1]; | |
379 | |
380 // http://en.wikipedia.org/wiki/Mime_types | |
381 // Text types | |
382 if (!strcmp(extension, "txt")) | |
383 contentType = "text/plain"; | |
384 else if (!strcmp(extension, "html")) | |
385 contentType = "text/html"; | |
386 else if (!strcmp(extension, "xml")) | |
387 contentType = "text/xml"; | |
388 else if (!strcmp(extension, "css")) | |
389 contentType = "text/css"; | |
390 | |
391 // Application types | |
392 else if (!strcmp(extension, "js")) | |
393 contentType = "application/javascript"; | |
394 else if (!strcmp(extension, "json")) | |
395 contentType = "application/json"; | |
396 else if (!strcmp(extension, "pdf")) | |
397 contentType = "application/pdf"; | |
398 | |
399 // Images types | |
400 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
401 contentType = "image/jpeg"; | |
402 else if (!strcmp(extension, "gif")) | |
403 contentType = "image/gif"; | |
404 else if (!strcmp(extension, "png")) | |
405 contentType = "image/png"; | |
406 } | |
407 | |
408 return contentType; | |
409 } | |
410 | |
411 | |
412 std::string Toolbox::FlattenUri(const UriComponents& components, | |
413 size_t fromLevel) | |
414 { | |
415 if (components.size() <= fromLevel) | |
416 { | |
417 return "/"; | |
418 } | |
419 else | |
420 { | |
421 std::string r; | |
422 | |
423 for (size_t i = fromLevel; i < components.size(); i++) | |
424 { | |
425 r += "/" + components[i]; | |
426 } | |
427 | |
428 return r; | |
429 } | |
430 } | |
431 | |
432 | |
433 | |
434 uint64_t Toolbox::GetFileSize(const std::string& path) | |
435 { | |
436 try | |
437 { | |
438 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
439 } | |
69 | 440 catch (boost::filesystem::filesystem_error&) |
25 | 441 { |
442 throw OrthancException(ErrorCode_InexistentFile); | |
443 } | |
444 } | |
445 | |
446 | |
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parents:
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diff
changeset
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447 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 |
25 | 448 static char GetHexadecimalCharacter(uint8_t value) |
449 { | |
450 assert(value < 16); | |
451 | |
452 if (value < 10) | |
453 return value + '0'; | |
454 else | |
455 return (value - 10) + 'a'; | |
456 } | |
457 | |
458 | |
459 void Toolbox::ComputeMD5(std::string& result, | |
460 const std::string& data) | |
461 { | |
462 if (data.size() > 0) | |
463 { | |
464 ComputeMD5(result, &data[0], data.size()); | |
465 } | |
466 else | |
467 { | |
468 ComputeMD5(result, NULL, 0); | |
469 } | |
470 } | |
471 | |
472 | |
473 void Toolbox::ComputeMD5(std::string& result, | |
474 const void* data, | |
475 size_t length) | |
476 { | |
477 md5_state_s state; | |
478 md5_init(&state); | |
479 | |
480 if (length > 0) | |
481 { | |
482 md5_append(&state, | |
483 reinterpret_cast<const md5_byte_t*>(data), | |
484 static_cast<int>(length)); | |
485 } | |
486 | |
487 md5_byte_t actualHash[16]; | |
488 md5_finish(&state, actualHash); | |
489 | |
490 result.resize(32); | |
491 for (unsigned int i = 0; i < 16; i++) | |
492 { | |
493 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
494 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
495 } | |
496 } | |
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497 #endif |
25 | 498 |
499 | |
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500 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 |
25 | 501 void Toolbox::EncodeBase64(std::string& result, |
502 const std::string& data) | |
503 { | |
504 result = base64_encode(data); | |
505 } | |
506 | |
507 void Toolbox::DecodeBase64(std::string& result, | |
508 const std::string& data) | |
509 { | |
510 result = base64_decode(data); | |
511 } | |
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512 #endif |
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513 |
25 | 514 |
515 | |
516 #if defined(_WIN32) | |
517 static std::string GetPathToExecutableInternal() | |
518 { | |
519 // Yes, this is ugly, but there is no simple way to get the | |
520 // required buffer size, so we use a big constant | |
521 std::vector<char> buffer(32768); | |
522 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); | |
523 return std::string(&buffer[0]); | |
524 } | |
525 | |
526 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
527 static std::string GetPathToExecutableInternal() | |
528 { | |
529 std::vector<char> buffer(PATH_MAX + 1); | |
530 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); | |
531 if (bytes == 0) | |
532 { | |
533 throw OrthancException("Unable to get the path to the executable"); | |
534 } | |
535 | |
536 return std::string(&buffer[0]); | |
537 } | |
538 | |
539 #elif defined(__APPLE__) && defined(__MACH__) | |
540 static std::string GetPathToExecutableInternal() | |
541 { | |
542 char pathbuf[PATH_MAX + 1]; | |
543 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); | |
544 | |
545 _NSGetExecutablePath( pathbuf, &bufsize); | |
546 | |
547 return std::string(pathbuf); | |
548 } | |
549 | |
550 #else | |
551 #error Support your platform here | |
552 #endif | |
553 | |
554 | |
555 std::string Toolbox::GetPathToExecutable() | |
556 { | |
557 boost::filesystem::path p(GetPathToExecutableInternal()); | |
558 return boost::filesystem::absolute(p).string(); | |
559 } | |
560 | |
561 | |
562 std::string Toolbox::GetDirectoryOfExecutable() | |
563 { | |
564 boost::filesystem::path p(GetPathToExecutableInternal()); | |
565 return boost::filesystem::absolute(p.parent_path()).string(); | |
566 } | |
567 | |
568 | |
569 std::string Toolbox::ConvertToUtf8(const std::string& source, | |
570 const Encoding sourceEncoding) | |
571 { | |
572 const char* encoding; | |
573 | |
574 | |
575 // http://bradleyross.users.sourceforge.net/docs/dicom/doc/src-html/org/dcm4che2/data/SpecificCharacterSet.html | |
576 switch (sourceEncoding) | |
577 { | |
578 case Encoding_Utf8: | |
579 // Already in UTF-8: No conversion is required | |
580 return source; | |
581 | |
582 case Encoding_Ascii: | |
583 return ConvertToAscii(source); | |
584 | |
585 case Encoding_Latin1: | |
586 encoding = "ISO-8859-1"; | |
587 break; | |
588 | |
589 case Encoding_Latin2: | |
590 encoding = "ISO-8859-2"; | |
591 break; | |
592 | |
593 case Encoding_Latin3: | |
594 encoding = "ISO-8859-3"; | |
595 break; | |
596 | |
597 case Encoding_Latin4: | |
598 encoding = "ISO-8859-4"; | |
599 break; | |
600 | |
601 case Encoding_Latin5: | |
602 encoding = "ISO-8859-9"; | |
603 break; | |
604 | |
605 case Encoding_Cyrillic: | |
606 encoding = "ISO-8859-5"; | |
607 break; | |
608 | |
609 case Encoding_Windows1251: | |
610 encoding = "WINDOWS-1251"; | |
611 break; | |
612 | |
613 case Encoding_Arabic: | |
614 encoding = "ISO-8859-6"; | |
615 break; | |
616 | |
617 case Encoding_Greek: | |
618 encoding = "ISO-8859-7"; | |
619 break; | |
620 | |
621 case Encoding_Hebrew: | |
622 encoding = "ISO-8859-8"; | |
623 break; | |
624 | |
625 case Encoding_Japanese: | |
626 encoding = "SHIFT-JIS"; | |
627 break; | |
628 | |
629 case Encoding_Chinese: | |
630 encoding = "GB18030"; | |
631 break; | |
632 | |
633 case Encoding_Thai: | |
634 encoding = "TIS620.2533-0"; | |
635 break; | |
636 | |
637 default: | |
638 throw OrthancException(ErrorCode_NotImplemented); | |
639 } | |
640 | |
641 try | |
642 { | |
643 return boost::locale::conv::to_utf<char>(source, encoding); | |
644 } | |
645 catch (std::runtime_error&) | |
646 { | |
647 // Bad input string or bad encoding | |
648 return ConvertToAscii(source); | |
649 } | |
650 } | |
651 | |
652 | |
653 std::string Toolbox::ConvertToAscii(const std::string& source) | |
654 { | |
655 std::string result; | |
656 | |
657 result.reserve(source.size() + 1); | |
658 for (size_t i = 0; i < source.size(); i++) | |
659 { | |
660 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i])) | |
661 { | |
662 result.push_back(source[i]); | |
663 } | |
664 } | |
665 | |
666 return result; | |
667 } | |
668 | |
669 void Toolbox::ComputeSHA1(std::string& result, | |
670 const std::string& data) | |
671 { | |
672 boost::uuids::detail::sha1 sha1; | |
673 | |
674 if (data.size() > 0) | |
675 { | |
676 sha1.process_bytes(&data[0], data.size()); | |
677 } | |
678 | |
679 unsigned int digest[5]; | |
680 | |
681 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
682 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); | |
683 | |
684 sha1.get_digest(digest); | |
685 | |
686 result.resize(8 * 5 + 4); | |
687 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", | |
688 digest[0], | |
689 digest[1], | |
690 digest[2], | |
691 digest[3], | |
692 digest[4]); | |
693 } | |
694 | |
36 | 695 bool Toolbox::IsSHA1(const char* str, |
696 size_t size) | |
25 | 697 { |
36 | 698 if (size == 0) |
35
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699 { |
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700 return false; |
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701 } |
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702 |
36 | 703 const char* start = str; |
704 const char* end = str + size; | |
35
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705 |
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706 // Trim the beginning of the string |
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707 while (start < end) |
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708 { |
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709 if (*start == '\0' || |
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710 isspace(*start)) |
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711 { |
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712 start++; |
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713 } |
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714 else |
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715 { |
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716 break; |
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717 } |
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718 } |
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719 |
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720 // Trim the trailing of the string |
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721 while (start < end) |
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722 { |
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723 if (*(end - 1) == '\0' || |
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724 isspace(*(end - 1))) |
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725 { |
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726 end--; |
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727 } |
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728 else |
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729 { |
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730 break; |
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731 } |
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732 } |
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733 |
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734 if (end - start != 44) |
25 | 735 { |
736 return false; | |
737 } | |
738 | |
739 for (unsigned int i = 0; i < 44; i++) | |
740 { | |
741 if (i == 8 || | |
742 i == 17 || | |
743 i == 26 || | |
744 i == 35) | |
745 { | |
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746 if (start[i] != '-') |
25 | 747 return false; |
748 } | |
749 else | |
750 { | |
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751 if (!isalnum(start[i])) |
25 | 752 return false; |
753 } | |
754 } | |
755 | |
756 return true; | |
757 } | |
758 | |
759 | |
36 | 760 bool Toolbox::IsSHA1(const std::string& s) |
761 { | |
762 if (s.size() == 0) | |
763 { | |
764 return false; | |
765 } | |
766 else | |
767 { | |
768 return IsSHA1(s.c_str(), s.size()); | |
769 } | |
770 } | |
771 | |
772 | |
25 | 773 #if BOOST_HAS_DATE_TIME == 1 |
774 std::string Toolbox::GetNowIsoString() | |
775 { | |
776 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
777 return boost::posix_time::to_iso_string(now); | |
778 } | |
779 #endif | |
780 | |
781 | |
782 std::string Toolbox::StripSpaces(const std::string& source) | |
783 { | |
784 size_t first = 0; | |
785 | |
786 while (first < source.length() && | |
787 isspace(source[first])) | |
788 { | |
789 first++; | |
790 } | |
791 | |
792 if (first == source.length()) | |
793 { | |
794 // String containing only spaces | |
795 return ""; | |
796 } | |
797 | |
798 size_t last = source.length(); | |
799 while (last > first && | |
800 isspace(source[last - 1])) | |
801 { | |
802 last--; | |
803 } | |
804 | |
805 assert(first <= last); | |
806 return source.substr(first, last - first); | |
807 } | |
808 | |
809 | |
810 static char Hex2Dec(char c) | |
811 { | |
812 return ((c >= '0' && c <= '9') ? c - '0' : | |
813 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
814 } | |
815 | |
816 void Toolbox::UrlDecode(std::string& s) | |
817 { | |
818 // http://en.wikipedia.org/wiki/Percent-encoding | |
819 // http://www.w3schools.com/tags/ref_urlencode.asp | |
820 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
821 | |
822 if (s.size() == 0) | |
823 { | |
824 return; | |
825 } | |
826 | |
827 size_t source = 0; | |
828 size_t target = 0; | |
829 | |
830 while (source < s.size()) | |
831 { | |
832 if (s[source] == '%' && | |
833 source + 2 < s.size() && | |
834 isalnum(s[source + 1]) && | |
835 isalnum(s[source + 2])) | |
836 { | |
837 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
838 source += 3; | |
839 target += 1; | |
840 } | |
841 else | |
842 { | |
843 if (s[source] == '+') | |
844 s[target] = ' '; | |
845 else | |
846 s[target] = s[source]; | |
847 | |
848 source++; | |
849 target++; | |
850 } | |
851 } | |
852 | |
853 s.resize(target); | |
854 } | |
855 | |
856 | |
857 Endianness Toolbox::DetectEndianness() | |
858 { | |
859 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
860 | |
861 uint8_t buffer[4]; | |
862 | |
863 buffer[0] = 0x00; | |
864 buffer[1] = 0x01; | |
865 buffer[2] = 0x02; | |
866 buffer[3] = 0x03; | |
867 | |
868 switch (*((uint32_t *)buffer)) | |
869 { | |
870 case 0x00010203: | |
871 return Endianness_Big; | |
872 | |
873 case 0x03020100: | |
874 return Endianness_Little; | |
875 | |
876 default: | |
877 throw OrthancException(ErrorCode_NotImplemented); | |
878 } | |
879 } | |
880 | |
881 | |
882 #if BOOST_HAS_REGEX == 1 | |
883 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
884 { | |
885 // TODO - Speed up this with a regular expression | |
886 | |
887 std::string result = source; | |
888 | |
889 // Escape all special characters | |
890 boost::replace_all(result, "\\", "\\\\"); | |
891 boost::replace_all(result, "^", "\\^"); | |
892 boost::replace_all(result, ".", "\\."); | |
893 boost::replace_all(result, "$", "\\$"); | |
894 boost::replace_all(result, "|", "\\|"); | |
895 boost::replace_all(result, "(", "\\("); | |
896 boost::replace_all(result, ")", "\\)"); | |
897 boost::replace_all(result, "[", "\\["); | |
898 boost::replace_all(result, "]", "\\]"); | |
899 boost::replace_all(result, "+", "\\+"); | |
900 boost::replace_all(result, "/", "\\/"); | |
901 boost::replace_all(result, "{", "\\{"); | |
902 boost::replace_all(result, "}", "\\}"); | |
903 | |
904 // Convert wildcards '*' and '?' to their regex equivalents | |
905 boost::replace_all(result, "?", "."); | |
906 boost::replace_all(result, "*", ".*"); | |
907 | |
908 return result; | |
909 } | |
910 #endif | |
911 | |
912 | |
913 | |
914 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
915 const std::string& value, | |
916 char separator) | |
917 { | |
918 result.clear(); | |
919 | |
920 std::string currentItem; | |
921 | |
922 for (size_t i = 0; i < value.size(); i++) | |
923 { | |
924 if (value[i] == separator) | |
925 { | |
926 result.push_back(currentItem); | |
927 currentItem.clear(); | |
928 } | |
929 else | |
930 { | |
931 currentItem.push_back(value[i]); | |
932 } | |
933 } | |
934 | |
935 result.push_back(currentItem); | |
936 } | |
937 | |
938 | |
939 #if BOOST_HAS_REGEX == 1 | |
940 void Toolbox::DecodeDataUriScheme(std::string& mime, | |
941 std::string& content, | |
942 const std::string& source) | |
943 { | |
944 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)", | |
945 boost::regex::icase /* case insensitive search */); | |
946 | |
947 boost::cmatch what; | |
948 if (regex_match(source.c_str(), what, pattern)) | |
949 { | |
950 mime = what[1]; | |
951 content = what[2]; | |
952 } | |
953 else | |
954 { | |
955 throw OrthancException(ErrorCode_BadFileFormat); | |
956 } | |
957 } | |
958 #endif | |
959 | |
960 | |
961 void Toolbox::MakeDirectory(const std::string& path) | |
962 { | |
963 if (boost::filesystem::exists(path)) | |
964 { | |
965 if (!boost::filesystem::is_directory(path)) | |
966 { | |
967 throw OrthancException("Cannot create the directory over an existing file: " + path); | |
968 } | |
969 } | |
970 else | |
971 { | |
972 if (!boost::filesystem::create_directories(path)) | |
973 { | |
974 throw OrthancException("Unable to create the directory: " + path); | |
975 } | |
976 } | |
977 } | |
978 | |
979 | |
980 bool Toolbox::IsExistingFile(const std::string& path) | |
981 { | |
982 return boost::filesystem::exists(path); | |
983 } | |
984 | |
985 | |
986 #if ORTHANC_PUGIXML_ENABLED == 1 | |
987 class ChunkedBufferWriter : public pugi::xml_writer | |
988 { | |
989 private: | |
990 ChunkedBuffer buffer_; | |
991 | |
992 public: | |
993 virtual void write(const void *data, size_t size) | |
994 { | |
995 if (size > 0) | |
996 { | |
997 buffer_.AddChunk(reinterpret_cast<const char*>(data), size); | |
998 } | |
999 } | |
1000 | |
1001 void Flatten(std::string& s) | |
1002 { | |
1003 buffer_.Flatten(s); | |
1004 } | |
1005 }; | |
1006 | |
1007 | |
1008 static void JsonToXmlInternal(pugi::xml_node& target, | |
1009 const Json::Value& source, | |
1010 const std::string& arrayElement) | |
1011 { | |
1012 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030 | |
1013 | |
1014 switch (source.type()) | |
1015 { | |
1016 case Json::nullValue: | |
1017 { | |
1018 target.append_child(pugi::node_pcdata).set_value("null"); | |
1019 break; | |
1020 } | |
1021 | |
1022 case Json::intValue: | |
1023 { | |
1024 std::string s = boost::lexical_cast<std::string>(source.asInt()); | |
1025 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1026 break; | |
1027 } | |
1028 | |
1029 case Json::uintValue: | |
1030 { | |
1031 std::string s = boost::lexical_cast<std::string>(source.asUInt()); | |
1032 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1033 break; | |
1034 } | |
1035 | |
1036 case Json::realValue: | |
1037 { | |
1038 std::string s = boost::lexical_cast<std::string>(source.asFloat()); | |
1039 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1040 break; | |
1041 } | |
1042 | |
1043 case Json::stringValue: | |
1044 { | |
1045 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str()); | |
1046 break; | |
1047 } | |
1048 | |
1049 case Json::booleanValue: | |
1050 { | |
1051 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false"); | |
1052 break; | |
1053 } | |
1054 | |
1055 case Json::arrayValue: | |
1056 { | |
1057 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1058 { | |
1059 pugi::xml_node node = target.append_child(); | |
1060 node.set_name(arrayElement.c_str()); | |
1061 JsonToXmlInternal(node, source[i], arrayElement); | |
1062 } | |
1063 break; | |
1064 } | |
1065 | |
1066 case Json::objectValue: | |
1067 { | |
1068 Json::Value::Members members = source.getMemberNames(); | |
1069 | |
1070 for (size_t i = 0; i < members.size(); i++) | |
1071 { | |
1072 pugi::xml_node node = target.append_child(); | |
1073 node.set_name(members[i].c_str()); | |
1074 JsonToXmlInternal(node, source[members[i]], arrayElement); | |
1075 } | |
1076 | |
1077 break; | |
1078 } | |
1079 | |
1080 default: | |
1081 throw OrthancException(ErrorCode_NotImplemented); | |
1082 } | |
1083 } | |
1084 | |
1085 | |
1086 void Toolbox::JsonToXml(std::string& target, | |
1087 const Json::Value& source, | |
1088 const std::string& rootElement, | |
1089 const std::string& arrayElement) | |
1090 { | |
1091 pugi::xml_document doc; | |
1092 | |
1093 pugi::xml_node n = doc.append_child(rootElement.c_str()); | |
1094 JsonToXmlInternal(n, source, arrayElement); | |
1095 | |
1096 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); | |
1097 decl.append_attribute("version").set_value("1.0"); | |
1098 decl.append_attribute("encoding").set_value("utf-8"); | |
1099 | |
1100 ChunkedBufferWriter writer; | |
1101 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8); | |
1102 writer.Flatten(target); | |
1103 } | |
1104 | |
1105 #endif | |
1106 | |
1107 | |
1108 void Toolbox::ExecuteSystemCommand(const std::string& command, | |
1109 const std::vector<std::string>& arguments) | |
1110 { | |
1111 // Convert the arguments as a C array | |
1112 std::vector<char*> args(arguments.size() + 2); | |
1113 | |
1114 args.front() = const_cast<char*>(command.c_str()); | |
1115 | |
1116 for (size_t i = 0; i < arguments.size(); i++) | |
1117 { | |
1118 args[i + 1] = const_cast<char*>(arguments[i].c_str()); | |
1119 } | |
1120 | |
1121 args.back() = NULL; | |
1122 | |
1123 int status; | |
1124 | |
1125 #if defined(_WIN32) | |
1126 // http://msdn.microsoft.com/en-us/library/275khfab.aspx | |
1127 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0])); | |
1128 | |
1129 #else | |
1130 int pid = fork(); | |
1131 | |
1132 if (pid == -1) | |
1133 { | |
1134 // Error in fork() | |
65 | 1135 #if ORTHANC_ENABLE_LOGGING == 1 |
25 | 1136 LOG(ERROR) << "Cannot fork a child process"; |
1137 #endif | |
1138 | |
1139 throw OrthancException(ErrorCode_SystemCommand); | |
1140 } | |
1141 else if (pid == 0) | |
1142 { | |
1143 // Execute the system command in the child process | |
1144 execvp(command.c_str(), &args[0]); | |
1145 | |
1146 // We should never get here | |
1147 _exit(1); | |
1148 } | |
1149 else | |
1150 { | |
1151 // Wait for the system command to exit | |
1152 waitpid(pid, &status, 0); | |
1153 } | |
1154 #endif | |
1155 | |
1156 if (status != 0) | |
1157 { | |
65 | 1158 #if ORTHANC_ENABLE_LOGGING == 1 |
25 | 1159 LOG(ERROR) << "System command failed with status code " << status; |
1160 #endif | |
1161 | |
1162 throw OrthancException(ErrorCode_SystemCommand); | |
1163 } | |
1164 } | |
1165 | |
1166 | |
1167 bool Toolbox::IsInteger(const std::string& str) | |
1168 { | |
1169 std::string s = StripSpaces(str); | |
1170 | |
1171 if (s.size() == 0) | |
1172 { | |
1173 return false; | |
1174 } | |
1175 | |
1176 size_t pos = 0; | |
1177 if (s[0] == '-') | |
1178 { | |
1179 if (s.size() == 1) | |
1180 { | |
1181 return false; | |
1182 } | |
1183 | |
1184 pos = 1; | |
1185 } | |
1186 | |
1187 while (pos < s.size()) | |
1188 { | |
1189 if (!isdigit(s[pos])) | |
1190 { | |
1191 return false; | |
1192 } | |
1193 | |
1194 pos++; | |
1195 } | |
1196 | |
1197 return true; | |
1198 } | |
35
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1199 |
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1200 |
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1201 void Toolbox::CopyJsonWithoutComments(Json::Value& target, |
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1202 const Json::Value& source) |
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1203 { |
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1204 switch (source.type()) |
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1205 { |
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1206 case Json::nullValue: |
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1207 target = Json::nullValue; |
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1208 break; |
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1209 |
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1210 case Json::intValue: |
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1211 target = source.asInt64(); |
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1212 break; |
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1213 |
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1214 case Json::uintValue: |
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1215 target = source.asUInt64(); |
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1216 break; |
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1217 |
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1218 case Json::realValue: |
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1219 target = source.asDouble(); |
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1220 break; |
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1221 |
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1222 case Json::stringValue: |
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1223 target = source.asString(); |
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1224 break; |
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1225 |
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1226 case Json::booleanValue: |
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1227 target = source.asBool(); |
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1228 break; |
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1229 |
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1230 case Json::arrayValue: |
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1231 { |
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1232 target = Json::arrayValue; |
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1233 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) |
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1234 { |
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1235 Json::Value& item = target.append(Json::nullValue); |
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1236 CopyJsonWithoutComments(item, source[i]); |
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1237 } |
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1238 |
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1239 break; |
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1240 } |
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1241 |
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1242 case Json::objectValue: |
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1243 { |
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1244 target = Json::objectValue; |
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1245 Json::Value::Members members = source.getMemberNames(); |
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1246 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++) |
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1247 { |
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1248 const std::string item = members[i]; |
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1249 CopyJsonWithoutComments(target[item], source[item]); |
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1250 } |
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1251 |
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1252 break; |
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1253 } |
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1254 |
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1255 default: |
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1256 break; |
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1257 } |
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1258 } |
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1259 |
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1260 |
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1261 bool Toolbox::StartsWith(const std::string& str, |
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1262 const std::string& prefix) |
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1263 { |
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1264 if (str.size() < prefix.size()) |
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1265 { |
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1266 return false; |
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1267 } |
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1268 else |
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1269 { |
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1270 return str.compare(0, prefix.size(), prefix) == 0; |
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1271 } |
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1272 } |
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1273 |
65 | 1274 |
1275 int Toolbox::GetProcessId() | |
1276 { | |
1277 #if defined(_WIN32) | |
1278 return static_cast<int>(_getpid()); | |
1279 #else | |
1280 return static_cast<int>(getpid()); | |
1281 #endif | |
1282 } | |
25 | 1283 } |
1284 |