Mercurial > hg > orthanc-webviewer
annotate Orthanc/Core/Toolbox.cpp @ 60:902dedf9882a
removed unneccessary dependency on md5
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Sun, 02 Aug 2015 12:42:18 +0200 |
parents | dbc1c9ca0030 |
children | 78aa0a355d3a fe8dab5c051f |
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" | |
37 | |
38 #include <string> | |
39 #include <stdint.h> | |
40 #include <string.h> | |
41 #include <boost/filesystem.hpp> | |
42 #include <boost/filesystem/fstream.hpp> | |
43 #include <boost/uuid/sha1.hpp> | |
44 #include <boost/lexical_cast.hpp> | |
45 #include <algorithm> | |
46 #include <ctype.h> | |
47 | |
48 #if BOOST_HAS_DATE_TIME == 1 | |
49 #include <boost/date_time/posix_time/posix_time.hpp> | |
50 #endif | |
51 | |
52 #if BOOST_HAS_REGEX == 1 | |
53 #include <boost/regex.hpp> | |
54 #endif | |
55 | |
56 #if HAVE_GOOGLE_LOG == 1 | |
57 #include <glog/logging.h> | |
58 #endif | |
59 | |
60 #if defined(_WIN32) | |
61 #include <windows.h> | |
62 #include <process.h> // For "_spawnvp()" | |
63 #else | |
64 #include <unistd.h> // For "execvp()" | |
65 #include <sys/wait.h> // For "waitpid()" | |
66 #endif | |
67 | |
68 #if defined(__APPLE__) && defined(__MACH__) | |
69 #include <mach-o/dyld.h> /* _NSGetExecutablePath */ | |
70 #include <limits.h> /* PATH_MAX */ | |
71 #endif | |
72 | |
73 #if defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
74 #include <limits.h> /* PATH_MAX */ | |
75 #include <signal.h> | |
76 #include <unistd.h> | |
77 #endif | |
78 | |
79 #if BOOST_HAS_LOCALE != 1 | |
80 #error Since version 0.7.6, Orthanc entirely relies on boost::locale | |
81 #endif | |
82 | |
83 #include <boost/locale.hpp> | |
84 | |
60
902dedf9882a
removed unneccessary dependency on md5
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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85 |
902dedf9882a
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parents:
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86 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 |
25 | 87 #include "../Resources/ThirdParty/md5/md5.h" |
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parents:
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88 #endif |
902dedf9882a
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parents:
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89 |
902dedf9882a
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parents:
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90 |
902dedf9882a
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91 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 |
25 | 92 #include "../Resources/ThirdParty/base64/base64.h" |
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93 #endif |
25 | 94 |
95 | |
96 #if defined(_MSC_VER) && (_MSC_VER < 1800) | |
97 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013 | |
98 extern "C" | |
99 { | |
100 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
101 int64_t strtoll(const char *nptr, char **endptr, int base) | |
102 { | |
103 return _strtoi64(nptr, endptr, base); | |
104 } | |
105 } | |
106 #endif | |
107 | |
108 | |
109 #if ORTHANC_PUGIXML_ENABLED == 1 | |
110 #include "ChunkedBuffer.h" | |
111 #include <pugixml.hpp> | |
112 #endif | |
113 | |
114 | |
115 namespace Orthanc | |
116 { | |
117 static bool finish; | |
118 | |
119 #if defined(_WIN32) | |
120 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) | |
121 { | |
122 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
123 finish = true; | |
124 return true; | |
125 } | |
126 #else | |
127 static void SignalHandler(int) | |
128 { | |
129 finish = true; | |
130 } | |
131 #endif | |
132 | |
133 void Toolbox::USleep(uint64_t microSeconds) | |
134 { | |
135 #if defined(_WIN32) | |
136 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); | |
137 #elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
138 usleep(microSeconds); | |
139 #else | |
140 #error Support your platform here | |
141 #endif | |
142 } | |
143 | |
144 | |
145 static void ServerBarrierInternal(const bool* stopFlag) | |
146 { | |
147 #if defined(_WIN32) | |
148 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
149 #else | |
150 signal(SIGINT, SignalHandler); | |
151 signal(SIGQUIT, SignalHandler); | |
152 signal(SIGTERM, SignalHandler); | |
153 #endif | |
154 | |
155 // Active loop that awakens every 100ms | |
156 finish = false; | |
157 while (!(*stopFlag || finish)) | |
158 { | |
159 Toolbox::USleep(100 * 1000); | |
160 } | |
161 | |
162 #if defined(_WIN32) | |
163 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
164 #else | |
165 signal(SIGINT, NULL); | |
166 signal(SIGQUIT, NULL); | |
167 signal(SIGTERM, NULL); | |
168 #endif | |
169 } | |
170 | |
171 | |
172 void Toolbox::ServerBarrier(const bool& stopFlag) | |
173 { | |
174 ServerBarrierInternal(&stopFlag); | |
175 } | |
176 | |
177 void Toolbox::ServerBarrier() | |
178 { | |
179 const bool stopFlag = false; | |
180 ServerBarrierInternal(&stopFlag); | |
181 } | |
182 | |
183 | |
184 void Toolbox::ToUpperCase(std::string& s) | |
185 { | |
186 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
187 } | |
188 | |
189 | |
190 void Toolbox::ToLowerCase(std::string& s) | |
191 { | |
192 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
193 } | |
194 | |
195 | |
196 void Toolbox::ToUpperCase(std::string& result, | |
197 const std::string& source) | |
198 { | |
199 result = source; | |
200 ToUpperCase(result); | |
201 } | |
202 | |
203 void Toolbox::ToLowerCase(std::string& result, | |
204 const std::string& source) | |
205 { | |
206 result = source; | |
207 ToLowerCase(result); | |
208 } | |
209 | |
210 | |
211 void Toolbox::ReadFile(std::string& content, | |
212 const std::string& path) | |
213 { | |
214 boost::filesystem::ifstream f; | |
215 f.open(path, std::ifstream::in | std::ifstream::binary); | |
216 if (!f.good()) | |
217 { | |
218 throw OrthancException(ErrorCode_InexistentFile); | |
219 } | |
220 | |
221 // http://www.cplusplus.com/reference/iostream/istream/tellg/ | |
222 f.seekg(0, std::ios::end); | |
223 std::streamsize size = f.tellg(); | |
224 f.seekg(0, std::ios::beg); | |
225 | |
226 content.resize(size); | |
227 if (size != 0) | |
228 { | |
229 f.read(reinterpret_cast<char*>(&content[0]), size); | |
230 } | |
231 | |
232 f.close(); | |
233 } | |
234 | |
235 | |
236 void Toolbox::WriteFile(const std::string& content, | |
237 const std::string& path) | |
238 { | |
239 boost::filesystem::ofstream f; | |
240 f.open(path, std::ofstream::binary); | |
241 if (!f.good()) | |
242 { | |
243 throw OrthancException(ErrorCode_CannotWriteFile); | |
244 } | |
245 | |
246 if (content.size() != 0) | |
247 { | |
248 f.write(content.c_str(), content.size()); | |
249 } | |
250 | |
251 f.close(); | |
252 } | |
253 | |
254 | |
255 | |
256 void Toolbox::RemoveFile(const std::string& path) | |
257 { | |
258 if (boost::filesystem::exists(path)) | |
259 { | |
260 if (boost::filesystem::is_regular_file(path)) | |
261 boost::filesystem::remove(path); | |
262 else | |
263 throw OrthancException("The path is not a regular file: " + path); | |
264 } | |
265 } | |
266 | |
267 | |
268 | |
269 void Toolbox::SplitUriComponents(UriComponents& components, | |
270 const std::string& uri) | |
271 { | |
272 static const char URI_SEPARATOR = '/'; | |
273 | |
274 components.clear(); | |
275 | |
276 if (uri.size() == 0 || | |
277 uri[0] != URI_SEPARATOR) | |
278 { | |
279 throw OrthancException(ErrorCode_UriSyntax); | |
280 } | |
281 | |
282 // Count the number of slashes in the URI to make an assumption | |
283 // about the number of components in the URI | |
284 unsigned int estimatedSize = 0; | |
285 for (unsigned int i = 0; i < uri.size(); i++) | |
286 { | |
287 if (uri[i] == URI_SEPARATOR) | |
288 estimatedSize++; | |
289 } | |
290 | |
291 components.reserve(estimatedSize - 1); | |
292 | |
293 unsigned int start = 1; | |
294 unsigned int end = 1; | |
295 while (end < uri.size()) | |
296 { | |
297 // This is the loop invariant | |
298 assert(uri[start - 1] == '/' && (end >= start)); | |
299 | |
300 if (uri[end] == '/') | |
301 { | |
302 components.push_back(std::string(&uri[start], end - start)); | |
303 end++; | |
304 start = end; | |
305 } | |
306 else | |
307 { | |
308 end++; | |
309 } | |
310 } | |
311 | |
312 if (start < uri.size()) | |
313 { | |
314 components.push_back(std::string(&uri[start], end - start)); | |
315 } | |
316 | |
317 for (size_t i = 0; i < components.size(); i++) | |
318 { | |
319 if (components[i].size() == 0) | |
320 { | |
321 // Empty component, as in: "/coucou//e" | |
322 throw OrthancException(ErrorCode_UriSyntax); | |
323 } | |
324 } | |
325 } | |
326 | |
327 | |
328 void Toolbox::TruncateUri(UriComponents& target, | |
329 const UriComponents& source, | |
330 size_t fromLevel) | |
331 { | |
332 target.clear(); | |
333 | |
334 if (source.size() > fromLevel) | |
335 { | |
336 target.resize(source.size() - fromLevel); | |
337 | |
338 size_t j = 0; | |
339 for (size_t i = fromLevel; i < source.size(); i++, j++) | |
340 { | |
341 target[j] = source[i]; | |
342 } | |
343 | |
344 assert(j == target.size()); | |
345 } | |
346 } | |
347 | |
348 | |
349 | |
350 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
351 const UriComponents& testedUri) | |
352 { | |
353 if (testedUri.size() < baseUri.size()) | |
354 { | |
355 return false; | |
356 } | |
357 | |
358 for (size_t i = 0; i < baseUri.size(); i++) | |
359 { | |
360 if (baseUri[i] != testedUri[i]) | |
361 return false; | |
362 } | |
363 | |
364 return true; | |
365 } | |
366 | |
367 | |
368 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
369 { | |
370 std::string contentType; | |
371 size_t lastDot = path.rfind('.'); | |
372 size_t lastSlash = path.rfind('/'); | |
373 | |
374 if (lastDot == std::string::npos || | |
375 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
376 { | |
377 // No trailing dot, unable to detect the content type | |
378 } | |
379 else | |
380 { | |
381 const char* extension = &path[lastDot + 1]; | |
382 | |
383 // http://en.wikipedia.org/wiki/Mime_types | |
384 // Text types | |
385 if (!strcmp(extension, "txt")) | |
386 contentType = "text/plain"; | |
387 else if (!strcmp(extension, "html")) | |
388 contentType = "text/html"; | |
389 else if (!strcmp(extension, "xml")) | |
390 contentType = "text/xml"; | |
391 else if (!strcmp(extension, "css")) | |
392 contentType = "text/css"; | |
393 | |
394 // Application types | |
395 else if (!strcmp(extension, "js")) | |
396 contentType = "application/javascript"; | |
397 else if (!strcmp(extension, "json")) | |
398 contentType = "application/json"; | |
399 else if (!strcmp(extension, "pdf")) | |
400 contentType = "application/pdf"; | |
401 | |
402 // Images types | |
403 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
404 contentType = "image/jpeg"; | |
405 else if (!strcmp(extension, "gif")) | |
406 contentType = "image/gif"; | |
407 else if (!strcmp(extension, "png")) | |
408 contentType = "image/png"; | |
409 } | |
410 | |
411 return contentType; | |
412 } | |
413 | |
414 | |
415 std::string Toolbox::FlattenUri(const UriComponents& components, | |
416 size_t fromLevel) | |
417 { | |
418 if (components.size() <= fromLevel) | |
419 { | |
420 return "/"; | |
421 } | |
422 else | |
423 { | |
424 std::string r; | |
425 | |
426 for (size_t i = fromLevel; i < components.size(); i++) | |
427 { | |
428 r += "/" + components[i]; | |
429 } | |
430 | |
431 return r; | |
432 } | |
433 } | |
434 | |
435 | |
436 | |
437 uint64_t Toolbox::GetFileSize(const std::string& path) | |
438 { | |
439 try | |
440 { | |
441 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
442 } | |
443 catch (boost::filesystem::filesystem_error) | |
444 { | |
445 throw OrthancException(ErrorCode_InexistentFile); | |
446 } | |
447 } | |
448 | |
449 | |
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902dedf9882a
removed unneccessary dependency on md5
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
36
diff
changeset
|
450 #if !defined(ORTHANC_ENABLE_MD5) || ORTHANC_ENABLE_MD5 == 1 |
25 | 451 static char GetHexadecimalCharacter(uint8_t value) |
452 { | |
453 assert(value < 16); | |
454 | |
455 if (value < 10) | |
456 return value + '0'; | |
457 else | |
458 return (value - 10) + 'a'; | |
459 } | |
460 | |
461 | |
462 void Toolbox::ComputeMD5(std::string& result, | |
463 const std::string& data) | |
464 { | |
465 if (data.size() > 0) | |
466 { | |
467 ComputeMD5(result, &data[0], data.size()); | |
468 } | |
469 else | |
470 { | |
471 ComputeMD5(result, NULL, 0); | |
472 } | |
473 } | |
474 | |
475 | |
476 void Toolbox::ComputeMD5(std::string& result, | |
477 const void* data, | |
478 size_t length) | |
479 { | |
480 md5_state_s state; | |
481 md5_init(&state); | |
482 | |
483 if (length > 0) | |
484 { | |
485 md5_append(&state, | |
486 reinterpret_cast<const md5_byte_t*>(data), | |
487 static_cast<int>(length)); | |
488 } | |
489 | |
490 md5_byte_t actualHash[16]; | |
491 md5_finish(&state, actualHash); | |
492 | |
493 result.resize(32); | |
494 for (unsigned int i = 0; i < 16; i++) | |
495 { | |
496 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
497 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
498 } | |
499 } | |
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902dedf9882a
removed unneccessary dependency on md5
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
36
diff
changeset
|
500 #endif |
25 | 501 |
502 | |
60
902dedf9882a
removed unneccessary dependency on md5
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
36
diff
changeset
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503 #if !defined(ORTHANC_ENABLE_BASE64) || ORTHANC_ENABLE_BASE64 == 1 |
25 | 504 void Toolbox::EncodeBase64(std::string& result, |
505 const std::string& data) | |
506 { | |
507 result = base64_encode(data); | |
508 } | |
509 | |
510 void Toolbox::DecodeBase64(std::string& result, | |
511 const std::string& data) | |
512 { | |
513 result = base64_decode(data); | |
514 } | |
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902dedf9882a
removed unneccessary dependency on md5
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parents:
36
diff
changeset
|
515 #endif |
902dedf9882a
removed unneccessary dependency on md5
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
36
diff
changeset
|
516 |
25 | 517 |
518 | |
519 #if defined(_WIN32) | |
520 static std::string GetPathToExecutableInternal() | |
521 { | |
522 // Yes, this is ugly, but there is no simple way to get the | |
523 // required buffer size, so we use a big constant | |
524 std::vector<char> buffer(32768); | |
525 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); | |
526 return std::string(&buffer[0]); | |
527 } | |
528 | |
529 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
530 static std::string GetPathToExecutableInternal() | |
531 { | |
532 std::vector<char> buffer(PATH_MAX + 1); | |
533 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); | |
534 if (bytes == 0) | |
535 { | |
536 throw OrthancException("Unable to get the path to the executable"); | |
537 } | |
538 | |
539 return std::string(&buffer[0]); | |
540 } | |
541 | |
542 #elif defined(__APPLE__) && defined(__MACH__) | |
543 static std::string GetPathToExecutableInternal() | |
544 { | |
545 char pathbuf[PATH_MAX + 1]; | |
546 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); | |
547 | |
548 _NSGetExecutablePath( pathbuf, &bufsize); | |
549 | |
550 return std::string(pathbuf); | |
551 } | |
552 | |
553 #else | |
554 #error Support your platform here | |
555 #endif | |
556 | |
557 | |
558 std::string Toolbox::GetPathToExecutable() | |
559 { | |
560 boost::filesystem::path p(GetPathToExecutableInternal()); | |
561 return boost::filesystem::absolute(p).string(); | |
562 } | |
563 | |
564 | |
565 std::string Toolbox::GetDirectoryOfExecutable() | |
566 { | |
567 boost::filesystem::path p(GetPathToExecutableInternal()); | |
568 return boost::filesystem::absolute(p.parent_path()).string(); | |
569 } | |
570 | |
571 | |
572 std::string Toolbox::ConvertToUtf8(const std::string& source, | |
573 const Encoding sourceEncoding) | |
574 { | |
575 const char* encoding; | |
576 | |
577 | |
578 // http://bradleyross.users.sourceforge.net/docs/dicom/doc/src-html/org/dcm4che2/data/SpecificCharacterSet.html | |
579 switch (sourceEncoding) | |
580 { | |
581 case Encoding_Utf8: | |
582 // Already in UTF-8: No conversion is required | |
583 return source; | |
584 | |
585 case Encoding_Ascii: | |
586 return ConvertToAscii(source); | |
587 | |
588 case Encoding_Latin1: | |
589 encoding = "ISO-8859-1"; | |
590 break; | |
591 | |
592 case Encoding_Latin2: | |
593 encoding = "ISO-8859-2"; | |
594 break; | |
595 | |
596 case Encoding_Latin3: | |
597 encoding = "ISO-8859-3"; | |
598 break; | |
599 | |
600 case Encoding_Latin4: | |
601 encoding = "ISO-8859-4"; | |
602 break; | |
603 | |
604 case Encoding_Latin5: | |
605 encoding = "ISO-8859-9"; | |
606 break; | |
607 | |
608 case Encoding_Cyrillic: | |
609 encoding = "ISO-8859-5"; | |
610 break; | |
611 | |
612 case Encoding_Windows1251: | |
613 encoding = "WINDOWS-1251"; | |
614 break; | |
615 | |
616 case Encoding_Arabic: | |
617 encoding = "ISO-8859-6"; | |
618 break; | |
619 | |
620 case Encoding_Greek: | |
621 encoding = "ISO-8859-7"; | |
622 break; | |
623 | |
624 case Encoding_Hebrew: | |
625 encoding = "ISO-8859-8"; | |
626 break; | |
627 | |
628 case Encoding_Japanese: | |
629 encoding = "SHIFT-JIS"; | |
630 break; | |
631 | |
632 case Encoding_Chinese: | |
633 encoding = "GB18030"; | |
634 break; | |
635 | |
636 case Encoding_Thai: | |
637 encoding = "TIS620.2533-0"; | |
638 break; | |
639 | |
640 default: | |
641 throw OrthancException(ErrorCode_NotImplemented); | |
642 } | |
643 | |
644 try | |
645 { | |
646 return boost::locale::conv::to_utf<char>(source, encoding); | |
647 } | |
648 catch (std::runtime_error&) | |
649 { | |
650 // Bad input string or bad encoding | |
651 return ConvertToAscii(source); | |
652 } | |
653 } | |
654 | |
655 | |
656 std::string Toolbox::ConvertToAscii(const std::string& source) | |
657 { | |
658 std::string result; | |
659 | |
660 result.reserve(source.size() + 1); | |
661 for (size_t i = 0; i < source.size(); i++) | |
662 { | |
663 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i])) | |
664 { | |
665 result.push_back(source[i]); | |
666 } | |
667 } | |
668 | |
669 return result; | |
670 } | |
671 | |
672 void Toolbox::ComputeSHA1(std::string& result, | |
673 const std::string& data) | |
674 { | |
675 boost::uuids::detail::sha1 sha1; | |
676 | |
677 if (data.size() > 0) | |
678 { | |
679 sha1.process_bytes(&data[0], data.size()); | |
680 } | |
681 | |
682 unsigned int digest[5]; | |
683 | |
684 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
685 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); | |
686 | |
687 sha1.get_digest(digest); | |
688 | |
689 result.resize(8 * 5 + 4); | |
690 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", | |
691 digest[0], | |
692 digest[1], | |
693 digest[2], | |
694 digest[3], | |
695 digest[4]); | |
696 } | |
697 | |
36 | 698 bool Toolbox::IsSHA1(const char* str, |
699 size_t size) | |
25 | 700 { |
36 | 701 if (size == 0) |
35
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702 { |
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703 return false; |
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704 } |
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705 |
36 | 706 const char* start = str; |
707 const char* end = str + size; | |
35
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708 |
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709 // Trim the beginning of the string |
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710 while (start < end) |
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711 { |
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712 if (*start == '\0' || |
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713 isspace(*start)) |
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714 { |
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715 start++; |
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716 } |
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717 else |
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718 { |
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719 break; |
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720 } |
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721 } |
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722 |
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723 // Trim the trailing of the string |
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724 while (start < end) |
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725 { |
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726 if (*(end - 1) == '\0' || |
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727 isspace(*(end - 1))) |
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728 { |
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729 end--; |
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730 } |
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731 else |
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732 { |
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733 break; |
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734 } |
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735 } |
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736 |
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737 if (end - start != 44) |
25 | 738 { |
739 return false; | |
740 } | |
741 | |
742 for (unsigned int i = 0; i < 44; i++) | |
743 { | |
744 if (i == 8 || | |
745 i == 17 || | |
746 i == 26 || | |
747 i == 35) | |
748 { | |
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749 if (start[i] != '-') |
25 | 750 return false; |
751 } | |
752 else | |
753 { | |
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754 if (!isalnum(start[i])) |
25 | 755 return false; |
756 } | |
757 } | |
758 | |
759 return true; | |
760 } | |
761 | |
762 | |
36 | 763 bool Toolbox::IsSHA1(const std::string& s) |
764 { | |
765 if (s.size() == 0) | |
766 { | |
767 return false; | |
768 } | |
769 else | |
770 { | |
771 return IsSHA1(s.c_str(), s.size()); | |
772 } | |
773 } | |
774 | |
775 | |
25 | 776 #if BOOST_HAS_DATE_TIME == 1 |
777 std::string Toolbox::GetNowIsoString() | |
778 { | |
779 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
780 return boost::posix_time::to_iso_string(now); | |
781 } | |
782 #endif | |
783 | |
784 | |
785 std::string Toolbox::StripSpaces(const std::string& source) | |
786 { | |
787 size_t first = 0; | |
788 | |
789 while (first < source.length() && | |
790 isspace(source[first])) | |
791 { | |
792 first++; | |
793 } | |
794 | |
795 if (first == source.length()) | |
796 { | |
797 // String containing only spaces | |
798 return ""; | |
799 } | |
800 | |
801 size_t last = source.length(); | |
802 while (last > first && | |
803 isspace(source[last - 1])) | |
804 { | |
805 last--; | |
806 } | |
807 | |
808 assert(first <= last); | |
809 return source.substr(first, last - first); | |
810 } | |
811 | |
812 | |
813 static char Hex2Dec(char c) | |
814 { | |
815 return ((c >= '0' && c <= '9') ? c - '0' : | |
816 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
817 } | |
818 | |
819 void Toolbox::UrlDecode(std::string& s) | |
820 { | |
821 // http://en.wikipedia.org/wiki/Percent-encoding | |
822 // http://www.w3schools.com/tags/ref_urlencode.asp | |
823 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
824 | |
825 if (s.size() == 0) | |
826 { | |
827 return; | |
828 } | |
829 | |
830 size_t source = 0; | |
831 size_t target = 0; | |
832 | |
833 while (source < s.size()) | |
834 { | |
835 if (s[source] == '%' && | |
836 source + 2 < s.size() && | |
837 isalnum(s[source + 1]) && | |
838 isalnum(s[source + 2])) | |
839 { | |
840 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
841 source += 3; | |
842 target += 1; | |
843 } | |
844 else | |
845 { | |
846 if (s[source] == '+') | |
847 s[target] = ' '; | |
848 else | |
849 s[target] = s[source]; | |
850 | |
851 source++; | |
852 target++; | |
853 } | |
854 } | |
855 | |
856 s.resize(target); | |
857 } | |
858 | |
859 | |
860 Endianness Toolbox::DetectEndianness() | |
861 { | |
862 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
863 | |
864 uint8_t buffer[4]; | |
865 | |
866 buffer[0] = 0x00; | |
867 buffer[1] = 0x01; | |
868 buffer[2] = 0x02; | |
869 buffer[3] = 0x03; | |
870 | |
871 switch (*((uint32_t *)buffer)) | |
872 { | |
873 case 0x00010203: | |
874 return Endianness_Big; | |
875 | |
876 case 0x03020100: | |
877 return Endianness_Little; | |
878 | |
879 default: | |
880 throw OrthancException(ErrorCode_NotImplemented); | |
881 } | |
882 } | |
883 | |
884 | |
885 #if BOOST_HAS_REGEX == 1 | |
886 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
887 { | |
888 // TODO - Speed up this with a regular expression | |
889 | |
890 std::string result = source; | |
891 | |
892 // Escape all special characters | |
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 boost::replace_all(result, "/", "\\/"); | |
904 boost::replace_all(result, "{", "\\{"); | |
905 boost::replace_all(result, "}", "\\}"); | |
906 | |
907 // Convert wildcards '*' and '?' to their regex equivalents | |
908 boost::replace_all(result, "?", "."); | |
909 boost::replace_all(result, "*", ".*"); | |
910 | |
911 return result; | |
912 } | |
913 #endif | |
914 | |
915 | |
916 | |
917 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
918 const std::string& value, | |
919 char separator) | |
920 { | |
921 result.clear(); | |
922 | |
923 std::string currentItem; | |
924 | |
925 for (size_t i = 0; i < value.size(); i++) | |
926 { | |
927 if (value[i] == separator) | |
928 { | |
929 result.push_back(currentItem); | |
930 currentItem.clear(); | |
931 } | |
932 else | |
933 { | |
934 currentItem.push_back(value[i]); | |
935 } | |
936 } | |
937 | |
938 result.push_back(currentItem); | |
939 } | |
940 | |
941 | |
942 #if BOOST_HAS_REGEX == 1 | |
943 void Toolbox::DecodeDataUriScheme(std::string& mime, | |
944 std::string& content, | |
945 const std::string& source) | |
946 { | |
947 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)", | |
948 boost::regex::icase /* case insensitive search */); | |
949 | |
950 boost::cmatch what; | |
951 if (regex_match(source.c_str(), what, pattern)) | |
952 { | |
953 mime = what[1]; | |
954 content = what[2]; | |
955 } | |
956 else | |
957 { | |
958 throw OrthancException(ErrorCode_BadFileFormat); | |
959 } | |
960 } | |
961 #endif | |
962 | |
963 | |
964 void Toolbox::MakeDirectory(const std::string& path) | |
965 { | |
966 if (boost::filesystem::exists(path)) | |
967 { | |
968 if (!boost::filesystem::is_directory(path)) | |
969 { | |
970 throw OrthancException("Cannot create the directory over an existing file: " + path); | |
971 } | |
972 } | |
973 else | |
974 { | |
975 if (!boost::filesystem::create_directories(path)) | |
976 { | |
977 throw OrthancException("Unable to create the directory: " + path); | |
978 } | |
979 } | |
980 } | |
981 | |
982 | |
983 bool Toolbox::IsExistingFile(const std::string& path) | |
984 { | |
985 return boost::filesystem::exists(path); | |
986 } | |
987 | |
988 | |
989 #if ORTHANC_PUGIXML_ENABLED == 1 | |
990 class ChunkedBufferWriter : public pugi::xml_writer | |
991 { | |
992 private: | |
993 ChunkedBuffer buffer_; | |
994 | |
995 public: | |
996 virtual void write(const void *data, size_t size) | |
997 { | |
998 if (size > 0) | |
999 { | |
1000 buffer_.AddChunk(reinterpret_cast<const char*>(data), size); | |
1001 } | |
1002 } | |
1003 | |
1004 void Flatten(std::string& s) | |
1005 { | |
1006 buffer_.Flatten(s); | |
1007 } | |
1008 }; | |
1009 | |
1010 | |
1011 static void JsonToXmlInternal(pugi::xml_node& target, | |
1012 const Json::Value& source, | |
1013 const std::string& arrayElement) | |
1014 { | |
1015 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030 | |
1016 | |
1017 switch (source.type()) | |
1018 { | |
1019 case Json::nullValue: | |
1020 { | |
1021 target.append_child(pugi::node_pcdata).set_value("null"); | |
1022 break; | |
1023 } | |
1024 | |
1025 case Json::intValue: | |
1026 { | |
1027 std::string s = boost::lexical_cast<std::string>(source.asInt()); | |
1028 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1029 break; | |
1030 } | |
1031 | |
1032 case Json::uintValue: | |
1033 { | |
1034 std::string s = boost::lexical_cast<std::string>(source.asUInt()); | |
1035 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1036 break; | |
1037 } | |
1038 | |
1039 case Json::realValue: | |
1040 { | |
1041 std::string s = boost::lexical_cast<std::string>(source.asFloat()); | |
1042 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
1043 break; | |
1044 } | |
1045 | |
1046 case Json::stringValue: | |
1047 { | |
1048 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str()); | |
1049 break; | |
1050 } | |
1051 | |
1052 case Json::booleanValue: | |
1053 { | |
1054 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false"); | |
1055 break; | |
1056 } | |
1057 | |
1058 case Json::arrayValue: | |
1059 { | |
1060 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
1061 { | |
1062 pugi::xml_node node = target.append_child(); | |
1063 node.set_name(arrayElement.c_str()); | |
1064 JsonToXmlInternal(node, source[i], arrayElement); | |
1065 } | |
1066 break; | |
1067 } | |
1068 | |
1069 case Json::objectValue: | |
1070 { | |
1071 Json::Value::Members members = source.getMemberNames(); | |
1072 | |
1073 for (size_t i = 0; i < members.size(); i++) | |
1074 { | |
1075 pugi::xml_node node = target.append_child(); | |
1076 node.set_name(members[i].c_str()); | |
1077 JsonToXmlInternal(node, source[members[i]], arrayElement); | |
1078 } | |
1079 | |
1080 break; | |
1081 } | |
1082 | |
1083 default: | |
1084 throw OrthancException(ErrorCode_NotImplemented); | |
1085 } | |
1086 } | |
1087 | |
1088 | |
1089 void Toolbox::JsonToXml(std::string& target, | |
1090 const Json::Value& source, | |
1091 const std::string& rootElement, | |
1092 const std::string& arrayElement) | |
1093 { | |
1094 pugi::xml_document doc; | |
1095 | |
1096 pugi::xml_node n = doc.append_child(rootElement.c_str()); | |
1097 JsonToXmlInternal(n, source, arrayElement); | |
1098 | |
1099 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); | |
1100 decl.append_attribute("version").set_value("1.0"); | |
1101 decl.append_attribute("encoding").set_value("utf-8"); | |
1102 | |
1103 ChunkedBufferWriter writer; | |
1104 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8); | |
1105 writer.Flatten(target); | |
1106 } | |
1107 | |
1108 #endif | |
1109 | |
1110 | |
1111 void Toolbox::ExecuteSystemCommand(const std::string& command, | |
1112 const std::vector<std::string>& arguments) | |
1113 { | |
1114 // Convert the arguments as a C array | |
1115 std::vector<char*> args(arguments.size() + 2); | |
1116 | |
1117 args.front() = const_cast<char*>(command.c_str()); | |
1118 | |
1119 for (size_t i = 0; i < arguments.size(); i++) | |
1120 { | |
1121 args[i + 1] = const_cast<char*>(arguments[i].c_str()); | |
1122 } | |
1123 | |
1124 args.back() = NULL; | |
1125 | |
1126 int status; | |
1127 | |
1128 #if defined(_WIN32) | |
1129 // http://msdn.microsoft.com/en-us/library/275khfab.aspx | |
1130 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0])); | |
1131 | |
1132 #else | |
1133 int pid = fork(); | |
1134 | |
1135 if (pid == -1) | |
1136 { | |
1137 // Error in fork() | |
1138 #if HAVE_GOOGLE_LOG == 1 | |
1139 LOG(ERROR) << "Cannot fork a child process"; | |
1140 #endif | |
1141 | |
1142 throw OrthancException(ErrorCode_SystemCommand); | |
1143 } | |
1144 else if (pid == 0) | |
1145 { | |
1146 // Execute the system command in the child process | |
1147 execvp(command.c_str(), &args[0]); | |
1148 | |
1149 // We should never get here | |
1150 _exit(1); | |
1151 } | |
1152 else | |
1153 { | |
1154 // Wait for the system command to exit | |
1155 waitpid(pid, &status, 0); | |
1156 } | |
1157 #endif | |
1158 | |
1159 if (status != 0) | |
1160 { | |
1161 #if HAVE_GOOGLE_LOG == 1 | |
1162 LOG(ERROR) << "System command failed with status code " << status; | |
1163 #endif | |
1164 | |
1165 throw OrthancException(ErrorCode_SystemCommand); | |
1166 } | |
1167 } | |
1168 | |
1169 | |
1170 bool Toolbox::IsInteger(const std::string& str) | |
1171 { | |
1172 std::string s = StripSpaces(str); | |
1173 | |
1174 if (s.size() == 0) | |
1175 { | |
1176 return false; | |
1177 } | |
1178 | |
1179 size_t pos = 0; | |
1180 if (s[0] == '-') | |
1181 { | |
1182 if (s.size() == 1) | |
1183 { | |
1184 return false; | |
1185 } | |
1186 | |
1187 pos = 1; | |
1188 } | |
1189 | |
1190 while (pos < s.size()) | |
1191 { | |
1192 if (!isdigit(s[pos])) | |
1193 { | |
1194 return false; | |
1195 } | |
1196 | |
1197 pos++; | |
1198 } | |
1199 | |
1200 return true; | |
1201 } | |
35
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1202 |
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1203 |
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1204 void Toolbox::CopyJsonWithoutComments(Json::Value& target, |
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|
1205 const Json::Value& source) |
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1206 { |
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1207 switch (source.type()) |
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1208 { |
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1209 case Json::nullValue: |
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1210 target = Json::nullValue; |
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|
1211 break; |
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|
1212 |
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1213 case Json::intValue: |
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1214 target = source.asInt64(); |
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1215 break; |
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1216 |
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1217 case Json::uintValue: |
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1218 target = source.asUInt64(); |
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1219 break; |
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1220 |
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1221 case Json::realValue: |
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1222 target = source.asDouble(); |
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1223 break; |
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1224 |
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1225 case Json::stringValue: |
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1226 target = source.asString(); |
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1227 break; |
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|
1228 |
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1229 case Json::booleanValue: |
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1230 target = source.asBool(); |
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1231 break; |
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1232 |
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1233 case Json::arrayValue: |
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|
1234 { |
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1235 target = Json::arrayValue; |
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1236 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) |
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1237 { |
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1238 Json::Value& item = target.append(Json::nullValue); |
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1239 CopyJsonWithoutComments(item, source[i]); |
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1240 } |
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|
1241 |
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|
1242 break; |
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|
1243 } |
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|
1244 |
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1245 case Json::objectValue: |
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1246 { |
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1247 target = Json::objectValue; |
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1248 Json::Value::Members members = source.getMemberNames(); |
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1249 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++) |
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1250 { |
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1251 const std::string item = members[i]; |
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1252 CopyJsonWithoutComments(target[item], source[item]); |
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1253 } |
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|
1254 |
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|
1255 break; |
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|
1256 } |
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|
1257 |
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1258 default: |
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|
1259 break; |
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|
1260 } |
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|
1261 } |
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|
1262 |
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|
1263 |
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1264 bool Toolbox::StartsWith(const std::string& str, |
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1265 const std::string& prefix) |
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1266 { |
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1267 if (str.size() < prefix.size()) |
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|
1268 { |
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1269 return false; |
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1270 } |
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|
1271 else |
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|
1272 { |
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1273 return str.compare(0, prefix.size(), prefix) == 0; |
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|
1274 } |
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|
1275 } |
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|
1276 |
25 | 1277 } |
1278 |