Mercurial > hg > orthanc-webviewer
annotate Orthanc/Core/Toolbox.cpp @ 36:dbc1c9ca0030
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| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 03 Jul 2015 10:01:23 +0200 |
| parents | 7c6cf09d838b |
| children | 902dedf9882a |
| rev | line source |
|---|---|
| 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 | |
| 85 #include "../Resources/ThirdParty/md5/md5.h" | |
| 86 #include "../Resources/ThirdParty/base64/base64.h" | |
| 87 | |
| 88 | |
| 89 #if defined(_MSC_VER) && (_MSC_VER < 1800) | |
| 90 // Patch for the missing "_strtoll" symbol when compiling with Visual Studio < 2013 | |
| 91 extern "C" | |
| 92 { | |
| 93 int64_t _strtoi64(const char *nptr, char **endptr, int base); | |
| 94 int64_t strtoll(const char *nptr, char **endptr, int base) | |
| 95 { | |
| 96 return _strtoi64(nptr, endptr, base); | |
| 97 } | |
| 98 } | |
| 99 #endif | |
| 100 | |
| 101 | |
| 102 #if ORTHANC_PUGIXML_ENABLED == 1 | |
| 103 #include "ChunkedBuffer.h" | |
| 104 #include <pugixml.hpp> | |
| 105 #endif | |
| 106 | |
| 107 | |
| 108 namespace Orthanc | |
| 109 { | |
| 110 static bool finish; | |
| 111 | |
| 112 #if defined(_WIN32) | |
| 113 static BOOL WINAPI ConsoleControlHandler(DWORD dwCtrlType) | |
| 114 { | |
| 115 // http://msdn.microsoft.com/en-us/library/ms683242(v=vs.85).aspx | |
| 116 finish = true; | |
| 117 return true; | |
| 118 } | |
| 119 #else | |
| 120 static void SignalHandler(int) | |
| 121 { | |
| 122 finish = true; | |
| 123 } | |
| 124 #endif | |
| 125 | |
| 126 void Toolbox::USleep(uint64_t microSeconds) | |
| 127 { | |
| 128 #if defined(_WIN32) | |
| 129 ::Sleep(static_cast<DWORD>(microSeconds / static_cast<uint64_t>(1000))); | |
| 130 #elif defined(__linux) || defined(__APPLE__) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
| 131 usleep(microSeconds); | |
| 132 #else | |
| 133 #error Support your platform here | |
| 134 #endif | |
| 135 } | |
| 136 | |
| 137 | |
| 138 static void ServerBarrierInternal(const bool* stopFlag) | |
| 139 { | |
| 140 #if defined(_WIN32) | |
| 141 SetConsoleCtrlHandler(ConsoleControlHandler, true); | |
| 142 #else | |
| 143 signal(SIGINT, SignalHandler); | |
| 144 signal(SIGQUIT, SignalHandler); | |
| 145 signal(SIGTERM, SignalHandler); | |
| 146 #endif | |
| 147 | |
| 148 // Active loop that awakens every 100ms | |
| 149 finish = false; | |
| 150 while (!(*stopFlag || finish)) | |
| 151 { | |
| 152 Toolbox::USleep(100 * 1000); | |
| 153 } | |
| 154 | |
| 155 #if defined(_WIN32) | |
| 156 SetConsoleCtrlHandler(ConsoleControlHandler, false); | |
| 157 #else | |
| 158 signal(SIGINT, NULL); | |
| 159 signal(SIGQUIT, NULL); | |
| 160 signal(SIGTERM, NULL); | |
| 161 #endif | |
| 162 } | |
| 163 | |
| 164 | |
| 165 void Toolbox::ServerBarrier(const bool& stopFlag) | |
| 166 { | |
| 167 ServerBarrierInternal(&stopFlag); | |
| 168 } | |
| 169 | |
| 170 void Toolbox::ServerBarrier() | |
| 171 { | |
| 172 const bool stopFlag = false; | |
| 173 ServerBarrierInternal(&stopFlag); | |
| 174 } | |
| 175 | |
| 176 | |
| 177 void Toolbox::ToUpperCase(std::string& s) | |
| 178 { | |
| 179 std::transform(s.begin(), s.end(), s.begin(), toupper); | |
| 180 } | |
| 181 | |
| 182 | |
| 183 void Toolbox::ToLowerCase(std::string& s) | |
| 184 { | |
| 185 std::transform(s.begin(), s.end(), s.begin(), tolower); | |
| 186 } | |
| 187 | |
| 188 | |
| 189 void Toolbox::ToUpperCase(std::string& result, | |
| 190 const std::string& source) | |
| 191 { | |
| 192 result = source; | |
| 193 ToUpperCase(result); | |
| 194 } | |
| 195 | |
| 196 void Toolbox::ToLowerCase(std::string& result, | |
| 197 const std::string& source) | |
| 198 { | |
| 199 result = source; | |
| 200 ToLowerCase(result); | |
| 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::ifstream::binary); | |
| 209 if (!f.good()) | |
| 210 { | |
| 211 throw OrthancException(ErrorCode_InexistentFile); | |
| 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::WriteFile(const std::string& content, | |
| 230 const std::string& path) | |
| 231 { | |
| 232 boost::filesystem::ofstream f; | |
| 233 f.open(path, std::ofstream::binary); | |
| 234 if (!f.good()) | |
| 235 { | |
| 236 throw OrthancException(ErrorCode_CannotWriteFile); | |
| 237 } | |
| 238 | |
| 239 if (content.size() != 0) | |
| 240 { | |
| 241 f.write(content.c_str(), content.size()); | |
| 242 } | |
| 243 | |
| 244 f.close(); | |
| 245 } | |
| 246 | |
| 247 | |
| 248 | |
| 249 void Toolbox::RemoveFile(const std::string& path) | |
| 250 { | |
| 251 if (boost::filesystem::exists(path)) | |
| 252 { | |
| 253 if (boost::filesystem::is_regular_file(path)) | |
| 254 boost::filesystem::remove(path); | |
| 255 else | |
| 256 throw OrthancException("The path is not a regular file: " + path); | |
| 257 } | |
| 258 } | |
| 259 | |
| 260 | |
| 261 | |
| 262 void Toolbox::SplitUriComponents(UriComponents& components, | |
| 263 const std::string& uri) | |
| 264 { | |
| 265 static const char URI_SEPARATOR = '/'; | |
| 266 | |
| 267 components.clear(); | |
| 268 | |
| 269 if (uri.size() == 0 || | |
| 270 uri[0] != URI_SEPARATOR) | |
| 271 { | |
| 272 throw OrthancException(ErrorCode_UriSyntax); | |
| 273 } | |
| 274 | |
| 275 // Count the number of slashes in the URI to make an assumption | |
| 276 // about the number of components in the URI | |
| 277 unsigned int estimatedSize = 0; | |
| 278 for (unsigned int i = 0; i < uri.size(); i++) | |
| 279 { | |
| 280 if (uri[i] == URI_SEPARATOR) | |
| 281 estimatedSize++; | |
| 282 } | |
| 283 | |
| 284 components.reserve(estimatedSize - 1); | |
| 285 | |
| 286 unsigned int start = 1; | |
| 287 unsigned int end = 1; | |
| 288 while (end < uri.size()) | |
| 289 { | |
| 290 // This is the loop invariant | |
| 291 assert(uri[start - 1] == '/' && (end >= start)); | |
| 292 | |
| 293 if (uri[end] == '/') | |
| 294 { | |
| 295 components.push_back(std::string(&uri[start], end - start)); | |
| 296 end++; | |
| 297 start = end; | |
| 298 } | |
| 299 else | |
| 300 { | |
| 301 end++; | |
| 302 } | |
| 303 } | |
| 304 | |
| 305 if (start < uri.size()) | |
| 306 { | |
| 307 components.push_back(std::string(&uri[start], end - start)); | |
| 308 } | |
| 309 | |
| 310 for (size_t i = 0; i < components.size(); i++) | |
| 311 { | |
| 312 if (components[i].size() == 0) | |
| 313 { | |
| 314 // Empty component, as in: "/coucou//e" | |
| 315 throw OrthancException(ErrorCode_UriSyntax); | |
| 316 } | |
| 317 } | |
| 318 } | |
| 319 | |
| 320 | |
| 321 void Toolbox::TruncateUri(UriComponents& target, | |
| 322 const UriComponents& source, | |
| 323 size_t fromLevel) | |
| 324 { | |
| 325 target.clear(); | |
| 326 | |
| 327 if (source.size() > fromLevel) | |
| 328 { | |
| 329 target.resize(source.size() - fromLevel); | |
| 330 | |
| 331 size_t j = 0; | |
| 332 for (size_t i = fromLevel; i < source.size(); i++, j++) | |
| 333 { | |
| 334 target[j] = source[i]; | |
| 335 } | |
| 336 | |
| 337 assert(j == target.size()); | |
| 338 } | |
| 339 } | |
| 340 | |
| 341 | |
| 342 | |
| 343 bool Toolbox::IsChildUri(const UriComponents& baseUri, | |
| 344 const UriComponents& testedUri) | |
| 345 { | |
| 346 if (testedUri.size() < baseUri.size()) | |
| 347 { | |
| 348 return false; | |
| 349 } | |
| 350 | |
| 351 for (size_t i = 0; i < baseUri.size(); i++) | |
| 352 { | |
| 353 if (baseUri[i] != testedUri[i]) | |
| 354 return false; | |
| 355 } | |
| 356 | |
| 357 return true; | |
| 358 } | |
| 359 | |
| 360 | |
| 361 std::string Toolbox::AutodetectMimeType(const std::string& path) | |
| 362 { | |
| 363 std::string contentType; | |
| 364 size_t lastDot = path.rfind('.'); | |
| 365 size_t lastSlash = path.rfind('/'); | |
| 366 | |
| 367 if (lastDot == std::string::npos || | |
| 368 (lastSlash != std::string::npos && lastDot < lastSlash)) | |
| 369 { | |
| 370 // No trailing dot, unable to detect the content type | |
| 371 } | |
| 372 else | |
| 373 { | |
| 374 const char* extension = &path[lastDot + 1]; | |
| 375 | |
| 376 // http://en.wikipedia.org/wiki/Mime_types | |
| 377 // Text types | |
| 378 if (!strcmp(extension, "txt")) | |
| 379 contentType = "text/plain"; | |
| 380 else if (!strcmp(extension, "html")) | |
| 381 contentType = "text/html"; | |
| 382 else if (!strcmp(extension, "xml")) | |
| 383 contentType = "text/xml"; | |
| 384 else if (!strcmp(extension, "css")) | |
| 385 contentType = "text/css"; | |
| 386 | |
| 387 // Application types | |
| 388 else if (!strcmp(extension, "js")) | |
| 389 contentType = "application/javascript"; | |
| 390 else if (!strcmp(extension, "json")) | |
| 391 contentType = "application/json"; | |
| 392 else if (!strcmp(extension, "pdf")) | |
| 393 contentType = "application/pdf"; | |
| 394 | |
| 395 // Images types | |
| 396 else if (!strcmp(extension, "jpg") || !strcmp(extension, "jpeg")) | |
| 397 contentType = "image/jpeg"; | |
| 398 else if (!strcmp(extension, "gif")) | |
| 399 contentType = "image/gif"; | |
| 400 else if (!strcmp(extension, "png")) | |
| 401 contentType = "image/png"; | |
| 402 } | |
| 403 | |
| 404 return contentType; | |
| 405 } | |
| 406 | |
| 407 | |
| 408 std::string Toolbox::FlattenUri(const UriComponents& components, | |
| 409 size_t fromLevel) | |
| 410 { | |
| 411 if (components.size() <= fromLevel) | |
| 412 { | |
| 413 return "/"; | |
| 414 } | |
| 415 else | |
| 416 { | |
| 417 std::string r; | |
| 418 | |
| 419 for (size_t i = fromLevel; i < components.size(); i++) | |
| 420 { | |
| 421 r += "/" + components[i]; | |
| 422 } | |
| 423 | |
| 424 return r; | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 | |
| 429 | |
| 430 uint64_t Toolbox::GetFileSize(const std::string& path) | |
| 431 { | |
| 432 try | |
| 433 { | |
| 434 return static_cast<uint64_t>(boost::filesystem::file_size(path)); | |
| 435 } | |
| 436 catch (boost::filesystem::filesystem_error) | |
| 437 { | |
| 438 throw OrthancException(ErrorCode_InexistentFile); | |
| 439 } | |
| 440 } | |
| 441 | |
| 442 | |
| 443 static char GetHexadecimalCharacter(uint8_t value) | |
| 444 { | |
| 445 assert(value < 16); | |
| 446 | |
| 447 if (value < 10) | |
| 448 return value + '0'; | |
| 449 else | |
| 450 return (value - 10) + 'a'; | |
| 451 } | |
| 452 | |
| 453 | |
| 454 void Toolbox::ComputeMD5(std::string& result, | |
| 455 const std::string& data) | |
| 456 { | |
| 457 if (data.size() > 0) | |
| 458 { | |
| 459 ComputeMD5(result, &data[0], data.size()); | |
| 460 } | |
| 461 else | |
| 462 { | |
| 463 ComputeMD5(result, NULL, 0); | |
| 464 } | |
| 465 } | |
| 466 | |
| 467 | |
| 468 void Toolbox::ComputeMD5(std::string& result, | |
| 469 const void* data, | |
| 470 size_t length) | |
| 471 { | |
| 472 md5_state_s state; | |
| 473 md5_init(&state); | |
| 474 | |
| 475 if (length > 0) | |
| 476 { | |
| 477 md5_append(&state, | |
| 478 reinterpret_cast<const md5_byte_t*>(data), | |
| 479 static_cast<int>(length)); | |
| 480 } | |
| 481 | |
| 482 md5_byte_t actualHash[16]; | |
| 483 md5_finish(&state, actualHash); | |
| 484 | |
| 485 result.resize(32); | |
| 486 for (unsigned int i = 0; i < 16; i++) | |
| 487 { | |
| 488 result[2 * i] = GetHexadecimalCharacter(actualHash[i] / 16); | |
| 489 result[2 * i + 1] = GetHexadecimalCharacter(actualHash[i] % 16); | |
| 490 } | |
| 491 } | |
| 492 | |
| 493 | |
| 494 void Toolbox::EncodeBase64(std::string& result, | |
| 495 const std::string& data) | |
| 496 { | |
| 497 result = base64_encode(data); | |
| 498 } | |
| 499 | |
| 500 void Toolbox::DecodeBase64(std::string& result, | |
| 501 const std::string& data) | |
| 502 { | |
| 503 result = base64_decode(data); | |
| 504 } | |
| 505 | |
| 506 | |
| 507 #if defined(_WIN32) | |
| 508 static std::string GetPathToExecutableInternal() | |
| 509 { | |
| 510 // Yes, this is ugly, but there is no simple way to get the | |
| 511 // required buffer size, so we use a big constant | |
| 512 std::vector<char> buffer(32768); | |
| 513 /*int bytes =*/ GetModuleFileNameA(NULL, &buffer[0], static_cast<DWORD>(buffer.size() - 1)); | |
| 514 return std::string(&buffer[0]); | |
| 515 } | |
| 516 | |
| 517 #elif defined(__linux) || defined(__FreeBSD_kernel__) || defined(__FreeBSD__) | |
| 518 static std::string GetPathToExecutableInternal() | |
| 519 { | |
| 520 std::vector<char> buffer(PATH_MAX + 1); | |
| 521 ssize_t bytes = readlink("/proc/self/exe", &buffer[0], buffer.size() - 1); | |
| 522 if (bytes == 0) | |
| 523 { | |
| 524 throw OrthancException("Unable to get the path to the executable"); | |
| 525 } | |
| 526 | |
| 527 return std::string(&buffer[0]); | |
| 528 } | |
| 529 | |
| 530 #elif defined(__APPLE__) && defined(__MACH__) | |
| 531 static std::string GetPathToExecutableInternal() | |
| 532 { | |
| 533 char pathbuf[PATH_MAX + 1]; | |
| 534 unsigned int bufsize = static_cast<int>(sizeof(pathbuf)); | |
| 535 | |
| 536 _NSGetExecutablePath( pathbuf, &bufsize); | |
| 537 | |
| 538 return std::string(pathbuf); | |
| 539 } | |
| 540 | |
| 541 #else | |
| 542 #error Support your platform here | |
| 543 #endif | |
| 544 | |
| 545 | |
| 546 std::string Toolbox::GetPathToExecutable() | |
| 547 { | |
| 548 boost::filesystem::path p(GetPathToExecutableInternal()); | |
| 549 return boost::filesystem::absolute(p).string(); | |
| 550 } | |
| 551 | |
| 552 | |
| 553 std::string Toolbox::GetDirectoryOfExecutable() | |
| 554 { | |
| 555 boost::filesystem::path p(GetPathToExecutableInternal()); | |
| 556 return boost::filesystem::absolute(p.parent_path()).string(); | |
| 557 } | |
| 558 | |
| 559 | |
| 560 std::string Toolbox::ConvertToUtf8(const std::string& source, | |
| 561 const Encoding sourceEncoding) | |
| 562 { | |
| 563 const char* encoding; | |
| 564 | |
| 565 | |
| 566 // http://bradleyross.users.sourceforge.net/docs/dicom/doc/src-html/org/dcm4che2/data/SpecificCharacterSet.html | |
| 567 switch (sourceEncoding) | |
| 568 { | |
| 569 case Encoding_Utf8: | |
| 570 // Already in UTF-8: No conversion is required | |
| 571 return source; | |
| 572 | |
| 573 case Encoding_Ascii: | |
| 574 return ConvertToAscii(source); | |
| 575 | |
| 576 case Encoding_Latin1: | |
| 577 encoding = "ISO-8859-1"; | |
| 578 break; | |
| 579 | |
| 580 case Encoding_Latin2: | |
| 581 encoding = "ISO-8859-2"; | |
| 582 break; | |
| 583 | |
| 584 case Encoding_Latin3: | |
| 585 encoding = "ISO-8859-3"; | |
| 586 break; | |
| 587 | |
| 588 case Encoding_Latin4: | |
| 589 encoding = "ISO-8859-4"; | |
| 590 break; | |
| 591 | |
| 592 case Encoding_Latin5: | |
| 593 encoding = "ISO-8859-9"; | |
| 594 break; | |
| 595 | |
| 596 case Encoding_Cyrillic: | |
| 597 encoding = "ISO-8859-5"; | |
| 598 break; | |
| 599 | |
| 600 case Encoding_Windows1251: | |
| 601 encoding = "WINDOWS-1251"; | |
| 602 break; | |
| 603 | |
| 604 case Encoding_Arabic: | |
| 605 encoding = "ISO-8859-6"; | |
| 606 break; | |
| 607 | |
| 608 case Encoding_Greek: | |
| 609 encoding = "ISO-8859-7"; | |
| 610 break; | |
| 611 | |
| 612 case Encoding_Hebrew: | |
| 613 encoding = "ISO-8859-8"; | |
| 614 break; | |
| 615 | |
| 616 case Encoding_Japanese: | |
| 617 encoding = "SHIFT-JIS"; | |
| 618 break; | |
| 619 | |
| 620 case Encoding_Chinese: | |
| 621 encoding = "GB18030"; | |
| 622 break; | |
| 623 | |
| 624 case Encoding_Thai: | |
| 625 encoding = "TIS620.2533-0"; | |
| 626 break; | |
| 627 | |
| 628 default: | |
| 629 throw OrthancException(ErrorCode_NotImplemented); | |
| 630 } | |
| 631 | |
| 632 try | |
| 633 { | |
| 634 return boost::locale::conv::to_utf<char>(source, encoding); | |
| 635 } | |
| 636 catch (std::runtime_error&) | |
| 637 { | |
| 638 // Bad input string or bad encoding | |
| 639 return ConvertToAscii(source); | |
| 640 } | |
| 641 } | |
| 642 | |
| 643 | |
| 644 std::string Toolbox::ConvertToAscii(const std::string& source) | |
| 645 { | |
| 646 std::string result; | |
| 647 | |
| 648 result.reserve(source.size() + 1); | |
| 649 for (size_t i = 0; i < source.size(); i++) | |
| 650 { | |
| 651 if (source[i] <= 127 && source[i] >= 0 && !iscntrl(source[i])) | |
| 652 { | |
| 653 result.push_back(source[i]); | |
| 654 } | |
| 655 } | |
| 656 | |
| 657 return result; | |
| 658 } | |
| 659 | |
| 660 void Toolbox::ComputeSHA1(std::string& result, | |
| 661 const std::string& data) | |
| 662 { | |
| 663 boost::uuids::detail::sha1 sha1; | |
| 664 | |
| 665 if (data.size() > 0) | |
| 666 { | |
| 667 sha1.process_bytes(&data[0], data.size()); | |
| 668 } | |
| 669 | |
| 670 unsigned int digest[5]; | |
| 671 | |
| 672 // Sanity check for the memory layout: A SHA-1 digest is 160 bits wide | |
| 673 assert(sizeof(unsigned int) == 4 && sizeof(digest) == (160 / 8)); | |
| 674 | |
| 675 sha1.get_digest(digest); | |
| 676 | |
| 677 result.resize(8 * 5 + 4); | |
| 678 sprintf(&result[0], "%08x-%08x-%08x-%08x-%08x", | |
| 679 digest[0], | |
| 680 digest[1], | |
| 681 digest[2], | |
| 682 digest[3], | |
| 683 digest[4]); | |
| 684 } | |
| 685 | |
| 36 | 686 bool Toolbox::IsSHA1(const char* str, |
| 687 size_t size) | |
| 25 | 688 { |
| 36 | 689 if (size == 0) |
|
35
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690 { |
|
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691 return false; |
|
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692 } |
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|
693 |
| 36 | 694 const char* start = str; |
| 695 const char* end = str + size; | |
|
35
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|
696 |
|
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697 // Trim the beginning of the string |
|
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698 while (start < end) |
|
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|
699 { |
|
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700 if (*start == '\0' || |
|
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|
701 isspace(*start)) |
|
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|
702 { |
|
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diff
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|
703 start++; |
|
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|
704 } |
|
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|
705 else |
|
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|
706 { |
|
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diff
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|
707 break; |
|
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|
708 } |
|
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parents:
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diff
changeset
|
709 } |
|
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toolchains for MinGW-w64
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parents:
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diff
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|
710 |
|
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parents:
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diff
changeset
|
711 // Trim the trailing of the string |
|
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712 while (start < end) |
|
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|
713 { |
|
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diff
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|
714 if (*(end - 1) == '\0' || |
|
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|
715 isspace(*(end - 1))) |
|
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|
716 { |
|
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|
717 end--; |
|
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|
718 } |
|
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diff
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|
719 else |
|
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diff
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|
720 { |
|
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|
721 break; |
|
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|
722 } |
|
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|
723 } |
|
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|
724 |
|
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|
725 if (end - start != 44) |
| 25 | 726 { |
| 727 return false; | |
| 728 } | |
| 729 | |
| 730 for (unsigned int i = 0; i < 44; i++) | |
| 731 { | |
| 732 if (i == 8 || | |
| 733 i == 17 || | |
| 734 i == 26 || | |
| 735 i == 35) | |
| 736 { | |
|
35
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|
737 if (start[i] != '-') |
| 25 | 738 return false; |
| 739 } | |
| 740 else | |
| 741 { | |
|
35
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|
742 if (!isalnum(start[i])) |
| 25 | 743 return false; |
| 744 } | |
| 745 } | |
| 746 | |
| 747 return true; | |
| 748 } | |
| 749 | |
| 750 | |
| 36 | 751 bool Toolbox::IsSHA1(const std::string& s) |
| 752 { | |
| 753 if (s.size() == 0) | |
| 754 { | |
| 755 return false; | |
| 756 } | |
| 757 else | |
| 758 { | |
| 759 return IsSHA1(s.c_str(), s.size()); | |
| 760 } | |
| 761 } | |
| 762 | |
| 763 | |
| 25 | 764 #if BOOST_HAS_DATE_TIME == 1 |
| 765 std::string Toolbox::GetNowIsoString() | |
| 766 { | |
| 767 boost::posix_time::ptime now = boost::posix_time::second_clock::local_time(); | |
| 768 return boost::posix_time::to_iso_string(now); | |
| 769 } | |
| 770 #endif | |
| 771 | |
| 772 | |
| 773 std::string Toolbox::StripSpaces(const std::string& source) | |
| 774 { | |
| 775 size_t first = 0; | |
| 776 | |
| 777 while (first < source.length() && | |
| 778 isspace(source[first])) | |
| 779 { | |
| 780 first++; | |
| 781 } | |
| 782 | |
| 783 if (first == source.length()) | |
| 784 { | |
| 785 // String containing only spaces | |
| 786 return ""; | |
| 787 } | |
| 788 | |
| 789 size_t last = source.length(); | |
| 790 while (last > first && | |
| 791 isspace(source[last - 1])) | |
| 792 { | |
| 793 last--; | |
| 794 } | |
| 795 | |
| 796 assert(first <= last); | |
| 797 return source.substr(first, last - first); | |
| 798 } | |
| 799 | |
| 800 | |
| 801 static char Hex2Dec(char c) | |
| 802 { | |
| 803 return ((c >= '0' && c <= '9') ? c - '0' : | |
| 804 ((c >= 'a' && c <= 'f') ? c - 'a' + 10 : c - 'A' + 10)); | |
| 805 } | |
| 806 | |
| 807 void Toolbox::UrlDecode(std::string& s) | |
| 808 { | |
| 809 // http://en.wikipedia.org/wiki/Percent-encoding | |
| 810 // http://www.w3schools.com/tags/ref_urlencode.asp | |
| 811 // http://stackoverflow.com/questions/154536/encode-decode-urls-in-c | |
| 812 | |
| 813 if (s.size() == 0) | |
| 814 { | |
| 815 return; | |
| 816 } | |
| 817 | |
| 818 size_t source = 0; | |
| 819 size_t target = 0; | |
| 820 | |
| 821 while (source < s.size()) | |
| 822 { | |
| 823 if (s[source] == '%' && | |
| 824 source + 2 < s.size() && | |
| 825 isalnum(s[source + 1]) && | |
| 826 isalnum(s[source + 2])) | |
| 827 { | |
| 828 s[target] = (Hex2Dec(s[source + 1]) << 4) | Hex2Dec(s[source + 2]); | |
| 829 source += 3; | |
| 830 target += 1; | |
| 831 } | |
| 832 else | |
| 833 { | |
| 834 if (s[source] == '+') | |
| 835 s[target] = ' '; | |
| 836 else | |
| 837 s[target] = s[source]; | |
| 838 | |
| 839 source++; | |
| 840 target++; | |
| 841 } | |
| 842 } | |
| 843 | |
| 844 s.resize(target); | |
| 845 } | |
| 846 | |
| 847 | |
| 848 Endianness Toolbox::DetectEndianness() | |
| 849 { | |
| 850 // http://sourceforge.net/p/predef/wiki/Endianness/ | |
| 851 | |
| 852 uint8_t buffer[4]; | |
| 853 | |
| 854 buffer[0] = 0x00; | |
| 855 buffer[1] = 0x01; | |
| 856 buffer[2] = 0x02; | |
| 857 buffer[3] = 0x03; | |
| 858 | |
| 859 switch (*((uint32_t *)buffer)) | |
| 860 { | |
| 861 case 0x00010203: | |
| 862 return Endianness_Big; | |
| 863 | |
| 864 case 0x03020100: | |
| 865 return Endianness_Little; | |
| 866 | |
| 867 default: | |
| 868 throw OrthancException(ErrorCode_NotImplemented); | |
| 869 } | |
| 870 } | |
| 871 | |
| 872 | |
| 873 #if BOOST_HAS_REGEX == 1 | |
| 874 std::string Toolbox::WildcardToRegularExpression(const std::string& source) | |
| 875 { | |
| 876 // TODO - Speed up this with a regular expression | |
| 877 | |
| 878 std::string result = source; | |
| 879 | |
| 880 // Escape all special characters | |
| 881 boost::replace_all(result, "\\", "\\\\"); | |
| 882 boost::replace_all(result, "^", "\\^"); | |
| 883 boost::replace_all(result, ".", "\\."); | |
| 884 boost::replace_all(result, "$", "\\$"); | |
| 885 boost::replace_all(result, "|", "\\|"); | |
| 886 boost::replace_all(result, "(", "\\("); | |
| 887 boost::replace_all(result, ")", "\\)"); | |
| 888 boost::replace_all(result, "[", "\\["); | |
| 889 boost::replace_all(result, "]", "\\]"); | |
| 890 boost::replace_all(result, "+", "\\+"); | |
| 891 boost::replace_all(result, "/", "\\/"); | |
| 892 boost::replace_all(result, "{", "\\{"); | |
| 893 boost::replace_all(result, "}", "\\}"); | |
| 894 | |
| 895 // Convert wildcards '*' and '?' to their regex equivalents | |
| 896 boost::replace_all(result, "?", "."); | |
| 897 boost::replace_all(result, "*", ".*"); | |
| 898 | |
| 899 return result; | |
| 900 } | |
| 901 #endif | |
| 902 | |
| 903 | |
| 904 | |
| 905 void Toolbox::TokenizeString(std::vector<std::string>& result, | |
| 906 const std::string& value, | |
| 907 char separator) | |
| 908 { | |
| 909 result.clear(); | |
| 910 | |
| 911 std::string currentItem; | |
| 912 | |
| 913 for (size_t i = 0; i < value.size(); i++) | |
| 914 { | |
| 915 if (value[i] == separator) | |
| 916 { | |
| 917 result.push_back(currentItem); | |
| 918 currentItem.clear(); | |
| 919 } | |
| 920 else | |
| 921 { | |
| 922 currentItem.push_back(value[i]); | |
| 923 } | |
| 924 } | |
| 925 | |
| 926 result.push_back(currentItem); | |
| 927 } | |
| 928 | |
| 929 | |
| 930 #if BOOST_HAS_REGEX == 1 | |
| 931 void Toolbox::DecodeDataUriScheme(std::string& mime, | |
| 932 std::string& content, | |
| 933 const std::string& source) | |
| 934 { | |
| 935 boost::regex pattern("data:([^;]+);base64,([a-zA-Z0-9=+/]*)", | |
| 936 boost::regex::icase /* case insensitive search */); | |
| 937 | |
| 938 boost::cmatch what; | |
| 939 if (regex_match(source.c_str(), what, pattern)) | |
| 940 { | |
| 941 mime = what[1]; | |
| 942 content = what[2]; | |
| 943 } | |
| 944 else | |
| 945 { | |
| 946 throw OrthancException(ErrorCode_BadFileFormat); | |
| 947 } | |
| 948 } | |
| 949 #endif | |
| 950 | |
| 951 | |
| 952 void Toolbox::MakeDirectory(const std::string& path) | |
| 953 { | |
| 954 if (boost::filesystem::exists(path)) | |
| 955 { | |
| 956 if (!boost::filesystem::is_directory(path)) | |
| 957 { | |
| 958 throw OrthancException("Cannot create the directory over an existing file: " + path); | |
| 959 } | |
| 960 } | |
| 961 else | |
| 962 { | |
| 963 if (!boost::filesystem::create_directories(path)) | |
| 964 { | |
| 965 throw OrthancException("Unable to create the directory: " + path); | |
| 966 } | |
| 967 } | |
| 968 } | |
| 969 | |
| 970 | |
| 971 bool Toolbox::IsExistingFile(const std::string& path) | |
| 972 { | |
| 973 return boost::filesystem::exists(path); | |
| 974 } | |
| 975 | |
| 976 | |
| 977 #if ORTHANC_PUGIXML_ENABLED == 1 | |
| 978 class ChunkedBufferWriter : public pugi::xml_writer | |
| 979 { | |
| 980 private: | |
| 981 ChunkedBuffer buffer_; | |
| 982 | |
| 983 public: | |
| 984 virtual void write(const void *data, size_t size) | |
| 985 { | |
| 986 if (size > 0) | |
| 987 { | |
| 988 buffer_.AddChunk(reinterpret_cast<const char*>(data), size); | |
| 989 } | |
| 990 } | |
| 991 | |
| 992 void Flatten(std::string& s) | |
| 993 { | |
| 994 buffer_.Flatten(s); | |
| 995 } | |
| 996 }; | |
| 997 | |
| 998 | |
| 999 static void JsonToXmlInternal(pugi::xml_node& target, | |
| 1000 const Json::Value& source, | |
| 1001 const std::string& arrayElement) | |
| 1002 { | |
| 1003 // http://jsoncpp.sourceforge.net/value_8h_source.html#l00030 | |
| 1004 | |
| 1005 switch (source.type()) | |
| 1006 { | |
| 1007 case Json::nullValue: | |
| 1008 { | |
| 1009 target.append_child(pugi::node_pcdata).set_value("null"); | |
| 1010 break; | |
| 1011 } | |
| 1012 | |
| 1013 case Json::intValue: | |
| 1014 { | |
| 1015 std::string s = boost::lexical_cast<std::string>(source.asInt()); | |
| 1016 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
| 1017 break; | |
| 1018 } | |
| 1019 | |
| 1020 case Json::uintValue: | |
| 1021 { | |
| 1022 std::string s = boost::lexical_cast<std::string>(source.asUInt()); | |
| 1023 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
| 1024 break; | |
| 1025 } | |
| 1026 | |
| 1027 case Json::realValue: | |
| 1028 { | |
| 1029 std::string s = boost::lexical_cast<std::string>(source.asFloat()); | |
| 1030 target.append_child(pugi::node_pcdata).set_value(s.c_str()); | |
| 1031 break; | |
| 1032 } | |
| 1033 | |
| 1034 case Json::stringValue: | |
| 1035 { | |
| 1036 target.append_child(pugi::node_pcdata).set_value(source.asString().c_str()); | |
| 1037 break; | |
| 1038 } | |
| 1039 | |
| 1040 case Json::booleanValue: | |
| 1041 { | |
| 1042 target.append_child(pugi::node_pcdata).set_value(source.asBool() ? "true" : "false"); | |
| 1043 break; | |
| 1044 } | |
| 1045 | |
| 1046 case Json::arrayValue: | |
| 1047 { | |
| 1048 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) | |
| 1049 { | |
| 1050 pugi::xml_node node = target.append_child(); | |
| 1051 node.set_name(arrayElement.c_str()); | |
| 1052 JsonToXmlInternal(node, source[i], arrayElement); | |
| 1053 } | |
| 1054 break; | |
| 1055 } | |
| 1056 | |
| 1057 case Json::objectValue: | |
| 1058 { | |
| 1059 Json::Value::Members members = source.getMemberNames(); | |
| 1060 | |
| 1061 for (size_t i = 0; i < members.size(); i++) | |
| 1062 { | |
| 1063 pugi::xml_node node = target.append_child(); | |
| 1064 node.set_name(members[i].c_str()); | |
| 1065 JsonToXmlInternal(node, source[members[i]], arrayElement); | |
| 1066 } | |
| 1067 | |
| 1068 break; | |
| 1069 } | |
| 1070 | |
| 1071 default: | |
| 1072 throw OrthancException(ErrorCode_NotImplemented); | |
| 1073 } | |
| 1074 } | |
| 1075 | |
| 1076 | |
| 1077 void Toolbox::JsonToXml(std::string& target, | |
| 1078 const Json::Value& source, | |
| 1079 const std::string& rootElement, | |
| 1080 const std::string& arrayElement) | |
| 1081 { | |
| 1082 pugi::xml_document doc; | |
| 1083 | |
| 1084 pugi::xml_node n = doc.append_child(rootElement.c_str()); | |
| 1085 JsonToXmlInternal(n, source, arrayElement); | |
| 1086 | |
| 1087 pugi::xml_node decl = doc.prepend_child(pugi::node_declaration); | |
| 1088 decl.append_attribute("version").set_value("1.0"); | |
| 1089 decl.append_attribute("encoding").set_value("utf-8"); | |
| 1090 | |
| 1091 ChunkedBufferWriter writer; | |
| 1092 doc.save(writer, " ", pugi::format_default, pugi::encoding_utf8); | |
| 1093 writer.Flatten(target); | |
| 1094 } | |
| 1095 | |
| 1096 #endif | |
| 1097 | |
| 1098 | |
| 1099 void Toolbox::ExecuteSystemCommand(const std::string& command, | |
| 1100 const std::vector<std::string>& arguments) | |
| 1101 { | |
| 1102 // Convert the arguments as a C array | |
| 1103 std::vector<char*> args(arguments.size() + 2); | |
| 1104 | |
| 1105 args.front() = const_cast<char*>(command.c_str()); | |
| 1106 | |
| 1107 for (size_t i = 0; i < arguments.size(); i++) | |
| 1108 { | |
| 1109 args[i + 1] = const_cast<char*>(arguments[i].c_str()); | |
| 1110 } | |
| 1111 | |
| 1112 args.back() = NULL; | |
| 1113 | |
| 1114 int status; | |
| 1115 | |
| 1116 #if defined(_WIN32) | |
| 1117 // http://msdn.microsoft.com/en-us/library/275khfab.aspx | |
| 1118 status = static_cast<int>(_spawnvp(_P_OVERLAY, command.c_str(), &args[0])); | |
| 1119 | |
| 1120 #else | |
| 1121 int pid = fork(); | |
| 1122 | |
| 1123 if (pid == -1) | |
| 1124 { | |
| 1125 // Error in fork() | |
| 1126 #if HAVE_GOOGLE_LOG == 1 | |
| 1127 LOG(ERROR) << "Cannot fork a child process"; | |
| 1128 #endif | |
| 1129 | |
| 1130 throw OrthancException(ErrorCode_SystemCommand); | |
| 1131 } | |
| 1132 else if (pid == 0) | |
| 1133 { | |
| 1134 // Execute the system command in the child process | |
| 1135 execvp(command.c_str(), &args[0]); | |
| 1136 | |
| 1137 // We should never get here | |
| 1138 _exit(1); | |
| 1139 } | |
| 1140 else | |
| 1141 { | |
| 1142 // Wait for the system command to exit | |
| 1143 waitpid(pid, &status, 0); | |
| 1144 } | |
| 1145 #endif | |
| 1146 | |
| 1147 if (status != 0) | |
| 1148 { | |
| 1149 #if HAVE_GOOGLE_LOG == 1 | |
| 1150 LOG(ERROR) << "System command failed with status code " << status; | |
| 1151 #endif | |
| 1152 | |
| 1153 throw OrthancException(ErrorCode_SystemCommand); | |
| 1154 } | |
| 1155 } | |
| 1156 | |
| 1157 | |
| 1158 bool Toolbox::IsInteger(const std::string& str) | |
| 1159 { | |
| 1160 std::string s = StripSpaces(str); | |
| 1161 | |
| 1162 if (s.size() == 0) | |
| 1163 { | |
| 1164 return false; | |
| 1165 } | |
| 1166 | |
| 1167 size_t pos = 0; | |
| 1168 if (s[0] == '-') | |
| 1169 { | |
| 1170 if (s.size() == 1) | |
| 1171 { | |
| 1172 return false; | |
| 1173 } | |
| 1174 | |
| 1175 pos = 1; | |
| 1176 } | |
| 1177 | |
| 1178 while (pos < s.size()) | |
| 1179 { | |
| 1180 if (!isdigit(s[pos])) | |
| 1181 { | |
| 1182 return false; | |
| 1183 } | |
| 1184 | |
| 1185 pos++; | |
| 1186 } | |
| 1187 | |
| 1188 return true; | |
| 1189 } | |
|
35
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1190 |
|
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|
1191 |
|
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1192 void Toolbox::CopyJsonWithoutComments(Json::Value& target, |
|
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1193 const Json::Value& source) |
|
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1194 { |
|
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1195 switch (source.type()) |
|
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1196 { |
|
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1197 case Json::nullValue: |
|
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1198 target = Json::nullValue; |
|
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1199 break; |
|
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|
1200 |
|
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1201 case Json::intValue: |
|
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1202 target = source.asInt64(); |
|
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1203 break; |
|
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|
1204 |
|
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1205 case Json::uintValue: |
|
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1206 target = source.asUInt64(); |
|
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|
1207 break; |
|
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|
1208 |
|
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1209 case Json::realValue: |
|
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1210 target = source.asDouble(); |
|
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|
1211 break; |
|
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|
1212 |
|
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|
1213 case Json::stringValue: |
|
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1214 target = source.asString(); |
|
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|
1215 break; |
|
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diff
changeset
|
1216 |
|
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|
1217 case Json::booleanValue: |
|
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|
1218 target = source.asBool(); |
|
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|
1219 break; |
|
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|
1220 |
|
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|
1221 case Json::arrayValue: |
|
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|
1222 { |
|
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|
1223 target = Json::arrayValue; |
|
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|
1224 for (Json::Value::ArrayIndex i = 0; i < source.size(); i++) |
|
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|
1225 { |
|
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|
1226 Json::Value& item = target.append(Json::nullValue); |
|
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|
1227 CopyJsonWithoutComments(item, source[i]); |
|
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|
1228 } |
|
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diff
changeset
|
1229 |
|
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diff
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|
1230 break; |
|
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diff
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|
1231 } |
|
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|
1232 |
|
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|
1233 case Json::objectValue: |
|
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|
1234 { |
|
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|
1235 target = Json::objectValue; |
|
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|
1236 Json::Value::Members members = source.getMemberNames(); |
|
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|
1237 for (Json::Value::ArrayIndex i = 0; i < members.size(); i++) |
|
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|
1238 { |
|
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|
1239 const std::string item = members[i]; |
|
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1240 CopyJsonWithoutComments(target[item], source[item]); |
|
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|
1241 } |
|
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|
1242 |
|
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|
1243 break; |
|
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|
1244 } |
|
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|
1245 |
|
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|
1246 default: |
|
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|
1247 break; |
|
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|
1248 } |
|
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|
1249 } |
|
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|
1250 |
|
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|
1251 |
|
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|
1252 bool Toolbox::StartsWith(const std::string& str, |
|
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1253 const std::string& prefix) |
|
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|
1254 { |
|
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|
1255 if (str.size() < prefix.size()) |
|
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|
1256 { |
|
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|
1257 return false; |
|
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|
1258 } |
|
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|
1259 else |
|
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|
1260 { |
|
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|
1261 return str.compare(0, prefix.size(), prefix) == 0; |
|
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|
1262 } |
|
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|
1263 } |
|
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|
1264 |
| 25 | 1265 } |
| 1266 |