| 1 | // |
| 2 | // Path.cpp |
| 3 | // |
| 4 | // Library: Foundation |
| 5 | // Package: Filesystem |
| 6 | // Module: Path |
| 7 | // |
| 8 | // Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH. |
| 9 | // and Contributors. |
| 10 | // |
| 11 | // SPDX-License-Identifier: BSL-1.0 |
| 12 | // |
| 13 | |
| 14 | |
| 15 | #include "Poco/Path.h" |
| 16 | #include "Poco/File.h" |
| 17 | #include "Poco/Exception.h" |
| 18 | #include "Poco/StringTokenizer.h" |
| 19 | #include "Poco/UnicodeConverter.h" |
| 20 | #include "Poco/Buffer.h" |
| 21 | #include <algorithm> |
| 22 | |
| 23 | |
| 24 | #if defined(POCO_OS_FAMILY_VMS) |
| 25 | #include "Path_VMS.cpp" |
| 26 | #elif defined(POCO_OS_FAMILY_UNIX) |
| 27 | #include "Path_UNIX.cpp" |
| 28 | #elif defined(POCO_OS_FAMILY_WINDOWS) |
| 29 | #if defined(_WIN32_WCE) |
| 30 | #include "Path_WINCE.cpp" |
| 31 | #else |
| 32 | #include "Path_WIN32.cpp" |
| 33 | #endif |
| 34 | #endif |
| 35 | |
| 36 | |
| 37 | namespace Poco { |
| 38 | |
| 39 | |
| 40 | Path::Path(): _absolute(false) |
| 41 | { |
| 42 | } |
| 43 | |
| 44 | |
| 45 | Path::Path(bool absolutePath): _absolute(absolutePath) |
| 46 | { |
| 47 | } |
| 48 | |
| 49 | |
| 50 | Path::Path(const std::string& path) |
| 51 | { |
| 52 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 53 | assign(path); |
| 54 | } |
| 55 | |
| 56 | |
| 57 | Path::Path(const std::string& path, Style style) |
| 58 | { |
| 59 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 60 | assign(path, style); |
| 61 | } |
| 62 | |
| 63 | |
| 64 | Path::Path(const char* path) |
| 65 | { |
| 66 | poco_check_ptr(path); |
| 67 | assign(path); |
| 68 | } |
| 69 | |
| 70 | |
| 71 | Path::Path(const char* path, Style style) |
| 72 | { |
| 73 | poco_check_ptr(path); |
| 74 | assign(path, style); |
| 75 | } |
| 76 | |
| 77 | |
| 78 | Path::Path(const Path& path): |
| 79 | _node(path._node), |
| 80 | _device(path._device), |
| 81 | _name(path._name), |
| 82 | _version(path._version), |
| 83 | _dirs(path._dirs), |
| 84 | _absolute(path._absolute) |
| 85 | { |
| 86 | } |
| 87 | |
| 88 | |
| 89 | Path::Path(const Path& rParent, const std::string& fileName): |
| 90 | _node(rParent._node), |
| 91 | _device(rParent._device), |
| 92 | _name(rParent._name), |
| 93 | _version(rParent._version), |
| 94 | _dirs(rParent._dirs), |
| 95 | _absolute(rParent._absolute) |
| 96 | { |
| 97 | poco_assert(std::char_traits<char>::length(fileName.data()) == fileName.size()); |
| 98 | makeDirectory(); |
| 99 | _name = fileName; |
| 100 | } |
| 101 | |
| 102 | |
| 103 | Path::Path(const Path& rParent, const char* fileName): |
| 104 | _node(rParent._node), |
| 105 | _device(rParent._device), |
| 106 | _name(rParent._name), |
| 107 | _version(rParent._version), |
| 108 | _dirs(rParent._dirs), |
| 109 | _absolute(rParent._absolute) |
| 110 | { |
| 111 | makeDirectory(); |
| 112 | _name = fileName; |
| 113 | } |
| 114 | |
| 115 | |
| 116 | Path::Path(const Path& rParent, const Path& relative): |
| 117 | _node(rParent._node), |
| 118 | _device(rParent._device), |
| 119 | _name(rParent._name), |
| 120 | _version(rParent._version), |
| 121 | _dirs(rParent._dirs), |
| 122 | _absolute(rParent._absolute) |
| 123 | { |
| 124 | resolve(relative); |
| 125 | } |
| 126 | |
| 127 | |
| 128 | Path::~Path() |
| 129 | { |
| 130 | } |
| 131 | |
| 132 | |
| 133 | Path& Path::operator = (const Path& path) |
| 134 | { |
| 135 | return assign(path); |
| 136 | } |
| 137 | |
| 138 | |
| 139 | Path& Path::operator = (const std::string& path) |
| 140 | { |
| 141 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 142 | return assign(path); |
| 143 | } |
| 144 | |
| 145 | |
| 146 | Path& Path::operator = (const char* path) |
| 147 | { |
| 148 | poco_check_ptr(path); |
| 149 | return assign(path); |
| 150 | } |
| 151 | |
| 152 | |
| 153 | void Path::swap(Path& path) |
| 154 | { |
| 155 | std::swap(_node, path._node); |
| 156 | std::swap(_device, path._device); |
| 157 | std::swap(_name, path._name); |
| 158 | std::swap(_version, path._version); |
| 159 | std::swap(_dirs, path._dirs); |
| 160 | std::swap(_absolute, path._absolute); |
| 161 | } |
| 162 | |
| 163 | |
| 164 | Path& Path::assign(const Path& path) |
| 165 | { |
| 166 | if (&path != this) |
| 167 | { |
| 168 | _node = path._node; |
| 169 | _device = path._device; |
| 170 | _name = path._name; |
| 171 | _version = path._version; |
| 172 | _dirs = path._dirs; |
| 173 | _absolute = path._absolute; |
| 174 | } |
| 175 | return *this; |
| 176 | } |
| 177 | |
| 178 | |
| 179 | Path& Path::assign(const std::string& path) |
| 180 | { |
| 181 | #if defined(POCO_OS_FAMILY_VMS) |
| 182 | parseVMS(path); |
| 183 | #elif defined(POCO_OS_FAMILY_WINDOWS) |
| 184 | parseWindows(path); |
| 185 | #else |
| 186 | parseUnix(path); |
| 187 | #endif |
| 188 | return *this; |
| 189 | } |
| 190 | |
| 191 | |
| 192 | Path& Path::assign(const std::string& path, Style style) |
| 193 | { |
| 194 | switch (style) |
| 195 | { |
| 196 | case PATH_UNIX: |
| 197 | parseUnix(path); |
| 198 | break; |
| 199 | case PATH_WINDOWS: |
| 200 | parseWindows(path); |
| 201 | break; |
| 202 | case PATH_VMS: |
| 203 | parseVMS(path); |
| 204 | break; |
| 205 | case PATH_NATIVE: |
| 206 | assign(path); |
| 207 | break; |
| 208 | case PATH_GUESS: |
| 209 | parseGuess(path); |
| 210 | break; |
| 211 | default: |
| 212 | poco_bugcheck(); |
| 213 | } |
| 214 | return *this; |
| 215 | } |
| 216 | |
| 217 | |
| 218 | Path& Path::assign(const char* path) |
| 219 | { |
| 220 | return assign(std::string(path)); |
| 221 | } |
| 222 | |
| 223 | |
| 224 | std::string Path::toString() const |
| 225 | { |
| 226 | #if defined(POCO_OS_FAMILY_UNIX) |
| 227 | return buildUnix(); |
| 228 | #elif defined(POCO_OS_FAMILY_WINDOWS) |
| 229 | return buildWindows(); |
| 230 | #else |
| 231 | return buildVMS(); |
| 232 | #endif |
| 233 | } |
| 234 | |
| 235 | |
| 236 | std::string Path::toString(Style style) const |
| 237 | { |
| 238 | switch (style) |
| 239 | { |
| 240 | case PATH_UNIX: |
| 241 | return buildUnix(); |
| 242 | case PATH_WINDOWS: |
| 243 | return buildWindows(); |
| 244 | case PATH_VMS: |
| 245 | return buildVMS(); |
| 246 | case PATH_NATIVE: |
| 247 | case PATH_GUESS: |
| 248 | return toString(); |
| 249 | default: |
| 250 | poco_bugcheck(); |
| 251 | } |
| 252 | return std::string(); |
| 253 | } |
| 254 | |
| 255 | |
| 256 | bool Path::tryParse(const std::string& path) |
| 257 | { |
| 258 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 259 | try |
| 260 | { |
| 261 | Path p; |
| 262 | p.parse(path); |
| 263 | assign(p); |
| 264 | return true; |
| 265 | } |
| 266 | catch (...) |
| 267 | { |
| 268 | return false; |
| 269 | } |
| 270 | } |
| 271 | |
| 272 | |
| 273 | bool Path::tryParse(const std::string& path, Style style) |
| 274 | { |
| 275 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 276 | try |
| 277 | { |
| 278 | Path p; |
| 279 | p.parse(path, style); |
| 280 | assign(p); |
| 281 | return true; |
| 282 | } |
| 283 | catch (...) |
| 284 | { |
| 285 | return false; |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | |
| 290 | Path& Path::parseDirectory(const std::string& path) |
| 291 | { |
| 292 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 293 | assign(path); |
| 294 | return makeDirectory(); |
| 295 | } |
| 296 | |
| 297 | |
| 298 | Path& Path::parseDirectory(const std::string& path, Style style) |
| 299 | { |
| 300 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 301 | assign(path, style); |
| 302 | return makeDirectory(); |
| 303 | } |
| 304 | |
| 305 | |
| 306 | Path& Path::makeDirectory() |
| 307 | { |
| 308 | #if defined(POCO_OS_FAMILY_VMS) |
| 309 | pushDirectory(getBaseName()); |
| 310 | #else |
| 311 | pushDirectory(_name); |
| 312 | #endif |
| 313 | _name.clear(); |
| 314 | _version.clear(); |
| 315 | return *this; |
| 316 | } |
| 317 | |
| 318 | |
| 319 | Path& Path::makeFile() |
| 320 | { |
| 321 | if (!_dirs.empty() && _name.empty()) |
| 322 | { |
| 323 | _name = _dirs.back(); |
| 324 | _dirs.pop_back(); |
| 325 | #if defined(POCO_OS_FAMILY_VMS) |
| 326 | setExtension("DIR" ); |
| 327 | #endif |
| 328 | } |
| 329 | return *this; |
| 330 | } |
| 331 | |
| 332 | |
| 333 | Path& Path::makeAbsolute() |
| 334 | { |
| 335 | return makeAbsolute(current()); |
| 336 | } |
| 337 | |
| 338 | |
| 339 | Path& Path::makeAbsolute(const Path& base) |
| 340 | { |
| 341 | if (!_absolute) |
| 342 | { |
| 343 | Path tmp = base; |
| 344 | tmp.makeDirectory(); |
| 345 | for (StringVec::const_iterator it = _dirs.begin(); it != _dirs.end(); ++it) |
| 346 | { |
| 347 | tmp.pushDirectory(*it); |
| 348 | } |
| 349 | _node = tmp._node; |
| 350 | _device = tmp._device; |
| 351 | _dirs = tmp._dirs; |
| 352 | _absolute = base._absolute; |
| 353 | } |
| 354 | return *this; |
| 355 | } |
| 356 | |
| 357 | |
| 358 | Path Path::absolute() const |
| 359 | { |
| 360 | Path result(*this); |
| 361 | if (!result._absolute) |
| 362 | { |
| 363 | result.makeAbsolute(); |
| 364 | } |
| 365 | return result; |
| 366 | } |
| 367 | |
| 368 | |
| 369 | Path Path::absolute(const Path& base) const |
| 370 | { |
| 371 | Path result(*this); |
| 372 | if (!result._absolute) |
| 373 | { |
| 374 | result.makeAbsolute(base); |
| 375 | } |
| 376 | return result; |
| 377 | } |
| 378 | |
| 379 | |
| 380 | Path Path::parent() const |
| 381 | { |
| 382 | Path p(*this); |
| 383 | return p.makeParent(); |
| 384 | } |
| 385 | |
| 386 | |
| 387 | Path& Path::makeParent() |
| 388 | { |
| 389 | if (_name.empty()) |
| 390 | { |
| 391 | if (_dirs.empty()) |
| 392 | { |
| 393 | if (!_absolute) |
| 394 | _dirs.push_back(".." ); |
| 395 | } |
| 396 | else |
| 397 | { |
| 398 | if (_dirs.back() == ".." ) |
| 399 | _dirs.push_back(".." ); |
| 400 | else |
| 401 | _dirs.pop_back(); |
| 402 | } |
| 403 | } |
| 404 | else |
| 405 | { |
| 406 | _name.clear(); |
| 407 | _version.clear(); |
| 408 | } |
| 409 | return *this; |
| 410 | } |
| 411 | |
| 412 | |
| 413 | Path& Path::append(const Path& path) |
| 414 | { |
| 415 | makeDirectory(); |
| 416 | _dirs.insert(_dirs.end(), path._dirs.begin(), path._dirs.end()); |
| 417 | _name = path._name; |
| 418 | _version = path._version; |
| 419 | return *this; |
| 420 | } |
| 421 | |
| 422 | |
| 423 | Path& Path::resolve(const Path& path) |
| 424 | { |
| 425 | if (path.isAbsolute()) |
| 426 | { |
| 427 | assign(path); |
| 428 | } |
| 429 | else |
| 430 | { |
| 431 | for (int i = 0; i < path.depth(); ++i) |
| 432 | pushDirectory(path[i]); |
| 433 | _name = path._name; |
| 434 | } |
| 435 | return *this; |
| 436 | } |
| 437 | |
| 438 | |
| 439 | Path& Path::setNode(const std::string& node) |
| 440 | { |
| 441 | poco_assert(std::char_traits<char>::length(node.data()) == node.size()); |
| 442 | _node = node; |
| 443 | _absolute = _absolute || !node.empty(); |
| 444 | return *this; |
| 445 | } |
| 446 | |
| 447 | |
| 448 | Path& Path::setDevice(const std::string& device) |
| 449 | { |
| 450 | poco_assert(std::char_traits<char>::length(device.data()) == device.size()); |
| 451 | _device = device; |
| 452 | _absolute = _absolute || !device.empty(); |
| 453 | return *this; |
| 454 | } |
| 455 | |
| 456 | |
| 457 | const std::string& Path::directory(int n) const |
| 458 | { |
| 459 | poco_assert (0 <= n && n <= _dirs.size()); |
| 460 | |
| 461 | if (n < _dirs.size()) |
| 462 | return _dirs[n]; |
| 463 | else |
| 464 | return _name; |
| 465 | } |
| 466 | |
| 467 | |
| 468 | const std::string& Path::operator [] (int n) const |
| 469 | { |
| 470 | poco_assert (0 <= n && n <= _dirs.size()); |
| 471 | |
| 472 | if (n < _dirs.size()) |
| 473 | return _dirs[n]; |
| 474 | else |
| 475 | return _name; |
| 476 | } |
| 477 | |
| 478 | |
| 479 | Path& Path::pushDirectory(const std::string& dir) |
| 480 | { |
| 481 | poco_assert(std::char_traits<char>::length(dir.data()) == dir.size()); |
| 482 | if (!dir.empty() && dir != "." ) |
| 483 | { |
| 484 | #if defined(POCO_OS_FAMILY_VMS) |
| 485 | if (dir == ".." || dir == "-" ) |
| 486 | { |
| 487 | if (!_dirs.empty() && _dirs.back() != ".." && _dirs.back() != "-" ) |
| 488 | _dirs.pop_back(); |
| 489 | else if (!_absolute) |
| 490 | _dirs.push_back(dir); |
| 491 | } |
| 492 | else _dirs.push_back(dir); |
| 493 | #else |
| 494 | if (dir == ".." ) |
| 495 | { |
| 496 | if (!_dirs.empty() && _dirs.back() != ".." ) |
| 497 | _dirs.pop_back(); |
| 498 | else if (!_absolute) |
| 499 | _dirs.push_back(dir); |
| 500 | } |
| 501 | else _dirs.push_back(dir); |
| 502 | #endif |
| 503 | } |
| 504 | return *this; |
| 505 | } |
| 506 | |
| 507 | |
| 508 | Path& Path::popDirectory() |
| 509 | { |
| 510 | poco_assert (!_dirs.empty()); |
| 511 | |
| 512 | _dirs.pop_back(); |
| 513 | return *this; |
| 514 | } |
| 515 | |
| 516 | |
| 517 | Path& Path::popFrontDirectory() |
| 518 | { |
| 519 | poco_assert (!_dirs.empty()); |
| 520 | |
| 521 | StringVec::iterator it = _dirs.begin(); |
| 522 | _dirs.erase(it); |
| 523 | return *this; |
| 524 | } |
| 525 | |
| 526 | |
| 527 | Path& Path::setFileName(const std::string& name) |
| 528 | { |
| 529 | poco_assert(std::char_traits<char>::length(name.data()) == name.size()); |
| 530 | _name = name; |
| 531 | return *this; |
| 532 | } |
| 533 | |
| 534 | |
| 535 | Path& Path::setBaseName(const std::string& name) |
| 536 | { |
| 537 | poco_assert(std::char_traits<char>::length(name.data()) == name.size()); |
| 538 | std::string ext = getExtension(); |
| 539 | _name = name; |
| 540 | if (!ext.empty()) |
| 541 | { |
| 542 | _name.append("." ); |
| 543 | _name.append(ext); |
| 544 | } |
| 545 | return *this; |
| 546 | } |
| 547 | |
| 548 | |
| 549 | std::string Path::getBaseName() const |
| 550 | { |
| 551 | std::string::size_type pos = _name.rfind('.'); |
| 552 | if (pos != std::string::npos) |
| 553 | return _name.substr(0, pos); |
| 554 | else |
| 555 | return _name; |
| 556 | } |
| 557 | |
| 558 | |
| 559 | Path& Path::setExtension(const std::string& extension) |
| 560 | { |
| 561 | poco_assert(std::char_traits<char>::length(extension.data()) == extension.size()); |
| 562 | _name = getBaseName(); |
| 563 | if (!extension.empty()) |
| 564 | { |
| 565 | _name.append("." ); |
| 566 | _name.append(extension); |
| 567 | } |
| 568 | return *this; |
| 569 | } |
| 570 | |
| 571 | |
| 572 | std::string Path::getExtension() const |
| 573 | { |
| 574 | std::string::size_type pos = _name.rfind('.'); |
| 575 | if (pos != std::string::npos) |
| 576 | return _name.substr(pos + 1); |
| 577 | else |
| 578 | return std::string(); |
| 579 | } |
| 580 | |
| 581 | |
| 582 | Path& Path::clear() |
| 583 | { |
| 584 | _node.clear(); |
| 585 | _device.clear(); |
| 586 | _name.clear(); |
| 587 | _dirs.clear(); |
| 588 | _version.clear(); |
| 589 | _absolute = false; |
| 590 | return *this; |
| 591 | } |
| 592 | |
| 593 | |
| 594 | std::string Path::current() |
| 595 | { |
| 596 | return PathImpl::currentImpl(); |
| 597 | } |
| 598 | |
| 599 | |
| 600 | std::string Path::home() |
| 601 | { |
| 602 | return PathImpl::homeImpl(); |
| 603 | } |
| 604 | |
| 605 | |
| 606 | std::string Path::configHome() |
| 607 | { |
| 608 | #if defined(POCO_OS_FAMILY_UNIX) || defined(POCO_OS_FAMILY_WINDOWS) |
| 609 | return PathImpl::configHomeImpl(); |
| 610 | #else |
| 611 | return PathImpl::homeImpl(); |
| 612 | #endif |
| 613 | } |
| 614 | |
| 615 | |
| 616 | std::string Path::dataHome() |
| 617 | { |
| 618 | #if defined(POCO_OS_FAMILY_UNIX) || defined(POCO_OS_FAMILY_WINDOWS) |
| 619 | return PathImpl::dataHomeImpl(); |
| 620 | #else |
| 621 | return PathImpl::homeImpl(); |
| 622 | #endif |
| 623 | } |
| 624 | |
| 625 | |
| 626 | std::string Path::cacheHome() |
| 627 | { |
| 628 | #if defined(POCO_OS_FAMILY_UNIX) || defined(POCO_OS_FAMILY_WINDOWS) |
| 629 | return PathImpl::cacheHomeImpl(); |
| 630 | #else |
| 631 | return PathImpl::homeImpl(); |
| 632 | #endif |
| 633 | } |
| 634 | |
| 635 | |
| 636 | std::string Path::temp() |
| 637 | { |
| 638 | return PathImpl::tempImpl(); |
| 639 | } |
| 640 | |
| 641 | |
| 642 | std::string Path::config() |
| 643 | { |
| 644 | #if defined(POCO_OS_FAMILY_UNIX) || defined(POCO_OS_FAMILY_WINDOWS) |
| 645 | return PathImpl::configImpl(); |
| 646 | #else |
| 647 | return PathImpl::currentImpl(); |
| 648 | #endif |
| 649 | } |
| 650 | |
| 651 | std::string Path::null() |
| 652 | { |
| 653 | return PathImpl::nullImpl(); |
| 654 | } |
| 655 | |
| 656 | |
| 657 | std::string Path::expand(const std::string& path) |
| 658 | { |
| 659 | poco_assert(std::char_traits<char>::length(path.data()) == path.size()); |
| 660 | return PathImpl::expandImpl(path); |
| 661 | } |
| 662 | |
| 663 | |
| 664 | void Path::listRoots(std::vector<std::string>& roots) |
| 665 | { |
| 666 | PathImpl::listRootsImpl(roots); |
| 667 | } |
| 668 | |
| 669 | |
| 670 | bool Path::find(StringVec::const_iterator it, StringVec::const_iterator end, const std::string& name, Path& path) |
| 671 | { |
| 672 | poco_assert(std::char_traits<char>::length(name.data()) == name.size()); |
| 673 | while (it != end) |
| 674 | { |
| 675 | #if defined(WIN32) |
| 676 | std::string cleanPath(*it); |
| 677 | if (cleanPath.size() > 1 && cleanPath[0] == '"' && cleanPath[cleanPath.size() - 1] == '"') |
| 678 | { |
| 679 | cleanPath = cleanPath.substr(1, cleanPath.size() - 2); |
| 680 | } |
| 681 | Path p(cleanPath); |
| 682 | #else |
| 683 | Path p(*it); |
| 684 | #endif |
| 685 | p.makeDirectory(); |
| 686 | p.resolve(Path(name)); |
| 687 | File f(p); |
| 688 | if (f.exists()) |
| 689 | { |
| 690 | path = p; |
| 691 | return true; |
| 692 | } |
| 693 | ++it; |
| 694 | } |
| 695 | return false; |
| 696 | } |
| 697 | |
| 698 | |
| 699 | bool Path::find(const std::string& pathList, const std::string& name, Path& path) |
| 700 | { |
| 701 | StringTokenizer st(pathList, std::string(1, pathSeparator()), StringTokenizer::TOK_IGNORE_EMPTY + StringTokenizer::TOK_TRIM); |
| 702 | return find(st.begin(), st.end(), name, path); |
| 703 | } |
| 704 | |
| 705 | |
| 706 | void Path::parseUnix(const std::string& path) |
| 707 | { |
| 708 | clear(); |
| 709 | |
| 710 | std::string::const_iterator it = path.begin(); |
| 711 | std::string::const_iterator end = path.end(); |
| 712 | |
| 713 | if (it != end) |
| 714 | { |
| 715 | if (*it == '/') |
| 716 | { |
| 717 | _absolute = true; ++it; |
| 718 | } |
| 719 | else if (*it == '~') |
| 720 | { |
| 721 | ++it; |
| 722 | if (it == end || *it == '/') |
| 723 | { |
| 724 | Path cwd(home()); |
| 725 | _dirs = cwd._dirs; |
| 726 | _absolute = true; |
| 727 | } |
| 728 | else --it; |
| 729 | } |
| 730 | |
| 731 | while (it != end) |
| 732 | { |
| 733 | std::string name; |
| 734 | while (it != end && *it != '/') name += *it++; |
| 735 | if (it != end) |
| 736 | { |
| 737 | if (_dirs.empty()) |
| 738 | { |
| 739 | if (!name.empty() && *(name.rbegin()) == ':') |
| 740 | { |
| 741 | _absolute = true; |
| 742 | _device.assign(name, 0, name.length() - 1); |
| 743 | } |
| 744 | else |
| 745 | { |
| 746 | pushDirectory(name); |
| 747 | } |
| 748 | } |
| 749 | else pushDirectory(name); |
| 750 | } |
| 751 | else _name = name; |
| 752 | if (it != end) ++it; |
| 753 | } |
| 754 | } |
| 755 | } |
| 756 | |
| 757 | |
| 758 | void Path::parseWindows(const std::string& path) |
| 759 | { |
| 760 | clear(); |
| 761 | |
| 762 | std::string::const_iterator it = path.begin(); |
| 763 | std::string::const_iterator end = path.end(); |
| 764 | |
| 765 | if (it != end) |
| 766 | { |
| 767 | if (*it == '\\' || *it == '/') { _absolute = true; ++it; } |
| 768 | if (_absolute && it != end && (*it == '\\' || *it == '/')) // UNC |
| 769 | { |
| 770 | ++it; |
| 771 | while (it != end && *it != '\\' && *it != '/') _node += *it++; |
| 772 | if (it != end) ++it; |
| 773 | } |
| 774 | else if (it != end) |
| 775 | { |
| 776 | char d = *it++; |
| 777 | if (it != end && *it == ':') // drive letter |
| 778 | { |
| 779 | if (!((d >= 'a' && d <= 'z') || (d >= 'A' && d <= 'Z'))) throw PathSyntaxException(path); |
| 780 | _absolute = true; |
| 781 | _device += d; |
| 782 | ++it; |
| 783 | if (it == end || (*it != '\\' && *it != '/')) throw PathSyntaxException(path); |
| 784 | ++it; |
| 785 | } |
| 786 | else --it; |
| 787 | } |
| 788 | while (it != end) |
| 789 | { |
| 790 | std::string name; |
| 791 | while (it != end && *it != '\\' && *it != '/') name += *it++; |
| 792 | if (it != end) |
| 793 | pushDirectory(name); |
| 794 | else |
| 795 | _name = name; |
| 796 | if (it != end) ++it; |
| 797 | } |
| 798 | } |
| 799 | if (!_node.empty() && _dirs.empty() && !_name.empty()) |
| 800 | makeDirectory(); |
| 801 | } |
| 802 | |
| 803 | |
| 804 | void Path::parseVMS(const std::string& path) |
| 805 | { |
| 806 | clear(); |
| 807 | |
| 808 | std::string::const_iterator it = path.begin(); |
| 809 | std::string::const_iterator end = path.end(); |
| 810 | |
| 811 | if (it != end) |
| 812 | { |
| 813 | std::string name; |
| 814 | while (it != end && *it != ':' && *it != '[' && *it != ';') name += *it++; |
| 815 | if (it != end) |
| 816 | { |
| 817 | if (*it == ':') |
| 818 | { |
| 819 | ++it; |
| 820 | if (it != end && *it == ':') |
| 821 | { |
| 822 | _node = name; |
| 823 | ++it; |
| 824 | } |
| 825 | else _device = name; |
| 826 | _absolute = true; |
| 827 | name.clear(); |
| 828 | } |
| 829 | if (it != end) |
| 830 | { |
| 831 | if (_device.empty() && *it != '[') |
| 832 | { |
| 833 | while (it != end && *it != ':' && *it != ';') name += *it++; |
| 834 | if (it != end) |
| 835 | { |
| 836 | if (*it == ':') |
| 837 | { |
| 838 | _device = name; |
| 839 | _absolute = true; |
| 840 | name.clear(); |
| 841 | ++it; |
| 842 | } |
| 843 | } |
| 844 | } |
| 845 | } |
| 846 | if (name.empty()) |
| 847 | { |
| 848 | if (it != end && *it == '[') |
| 849 | { |
| 850 | ++it; |
| 851 | if (it != end) |
| 852 | { |
| 853 | _absolute = true; |
| 854 | if (*it == '.') |
| 855 | { _absolute = false; ++it; } |
| 856 | else if (*it == ']' || *it == '-') |
| 857 | _absolute = false; |
| 858 | while (it != end && *it != ']') |
| 859 | { |
| 860 | name.clear(); |
| 861 | if (*it == '-') |
| 862 | name = "-" ; |
| 863 | else |
| 864 | while (it != end && *it != '.' && *it != ']') name += *it++; |
| 865 | if (!name.empty()) |
| 866 | { |
| 867 | if (name == "-" ) |
| 868 | { |
| 869 | if (_dirs.empty() || _dirs.back() == ".." ) |
| 870 | _dirs.push_back(".." ); |
| 871 | else |
| 872 | _dirs.pop_back(); |
| 873 | } |
| 874 | else _dirs.push_back(name); |
| 875 | } |
| 876 | if (it != end && *it != ']') ++it; |
| 877 | } |
| 878 | if (it == end) throw PathSyntaxException(path); |
| 879 | ++it; |
| 880 | if (it != end && *it == '[') |
| 881 | { |
| 882 | if (!_absolute) throw PathSyntaxException(path); |
| 883 | ++it; |
| 884 | if (it != end && *it == '.') throw PathSyntaxException(path); |
| 885 | int d = int(_dirs.size()); |
| 886 | while (it != end && *it != ']') |
| 887 | { |
| 888 | name.clear(); |
| 889 | if (*it == '-') |
| 890 | name = "-" ; |
| 891 | else |
| 892 | while (it != end && *it != '.' && *it != ']') name += *it++; |
| 893 | if (!name.empty()) |
| 894 | { |
| 895 | if (name == "-" ) |
| 896 | { |
| 897 | if (_dirs.size() > d) |
| 898 | _dirs.pop_back(); |
| 899 | } |
| 900 | else _dirs.push_back(name); |
| 901 | } |
| 902 | if (it != end && *it != ']') ++it; |
| 903 | } |
| 904 | if (it == end) throw PathSyntaxException(path); |
| 905 | ++it; |
| 906 | } |
| 907 | } |
| 908 | _name.clear(); |
| 909 | } |
| 910 | while (it != end && *it != ';') _name += *it++; |
| 911 | } |
| 912 | else _name = name; |
| 913 | if (it != end && *it == ';') |
| 914 | { |
| 915 | ++it; |
| 916 | while (it != end) _version += *it++; |
| 917 | } |
| 918 | } |
| 919 | else _name = name; |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | |
| 924 | void Path::parseGuess(const std::string& path) |
| 925 | { |
| 926 | bool hasBackslash = false; |
| 927 | bool hasSlash = false; |
| 928 | bool hasOpenBracket = false; |
| 929 | bool hasClosBracket = false; |
| 930 | bool isWindows = path.length() > 2 && path[1] == ':' && (path[2] == '/' || path[2] == '\\'); |
| 931 | std::string::const_iterator end = path.end(); |
| 932 | std::string::const_iterator semiIt = end; |
| 933 | if (!isWindows) |
| 934 | { |
| 935 | for (std::string::const_iterator it = path.begin(); it != end; ++it) |
| 936 | { |
| 937 | switch (*it) |
| 938 | { |
| 939 | case '\\': hasBackslash = true; break; |
| 940 | case '/': hasSlash = true; break; |
| 941 | case '[': hasOpenBracket = true; |
| 942 | case ']': hasClosBracket = hasOpenBracket; |
| 943 | case ';': semiIt = it; break; |
| 944 | } |
| 945 | } |
| 946 | } |
| 947 | if (hasBackslash || isWindows) |
| 948 | { |
| 949 | parseWindows(path); |
| 950 | } |
| 951 | else if (hasSlash) |
| 952 | { |
| 953 | parseUnix(path); |
| 954 | } |
| 955 | else |
| 956 | { |
| 957 | bool isVMS = hasClosBracket; |
| 958 | if (!isVMS && semiIt != end) |
| 959 | { |
| 960 | isVMS = true; |
| 961 | ++semiIt; |
| 962 | while (semiIt != end) |
| 963 | { |
| 964 | if (*semiIt < '0' || *semiIt > '9') |
| 965 | { |
| 966 | isVMS = false; break; |
| 967 | } |
| 968 | ++semiIt; |
| 969 | } |
| 970 | } |
| 971 | if (isVMS) |
| 972 | parseVMS(path); |
| 973 | else |
| 974 | parseUnix(path); |
| 975 | } |
| 976 | } |
| 977 | |
| 978 | |
| 979 | std::string Path::buildUnix() const |
| 980 | { |
| 981 | std::string result; |
| 982 | if (!_device.empty()) |
| 983 | { |
| 984 | result.append("/" ); |
| 985 | result.append(_device); |
| 986 | result.append(":/" ); |
| 987 | } |
| 988 | else if (_absolute) |
| 989 | { |
| 990 | result.append("/" ); |
| 991 | } |
| 992 | for (StringVec::const_iterator it = _dirs.begin(); it != _dirs.end(); ++it) |
| 993 | { |
| 994 | result.append(*it); |
| 995 | result.append("/" ); |
| 996 | } |
| 997 | result.append(_name); |
| 998 | return result; |
| 999 | } |
| 1000 | |
| 1001 | |
| 1002 | std::string Path::buildWindows() const |
| 1003 | { |
| 1004 | std::string result; |
| 1005 | if (!_node.empty()) |
| 1006 | { |
| 1007 | result.append("\\\\" ); |
| 1008 | result.append(_node); |
| 1009 | result.append("\\" ); |
| 1010 | } |
| 1011 | else if (!_device.empty()) |
| 1012 | { |
| 1013 | result.append(_device); |
| 1014 | result.append(":\\" ); |
| 1015 | } |
| 1016 | else if (_absolute) |
| 1017 | { |
| 1018 | result.append("\\" ); |
| 1019 | } |
| 1020 | for (StringVec::const_iterator it = _dirs.begin(); it != _dirs.end(); ++it) |
| 1021 | { |
| 1022 | result.append(*it); |
| 1023 | result.append("\\" ); |
| 1024 | } |
| 1025 | result.append(_name); |
| 1026 | return result; |
| 1027 | } |
| 1028 | |
| 1029 | |
| 1030 | std::string Path::buildVMS() const |
| 1031 | { |
| 1032 | std::string result; |
| 1033 | if (!_node.empty()) |
| 1034 | { |
| 1035 | result.append(_node); |
| 1036 | result.append("::" ); |
| 1037 | } |
| 1038 | if (!_device.empty()) |
| 1039 | { |
| 1040 | result.append(_device); |
| 1041 | result.append(":" ); |
| 1042 | } |
| 1043 | if (!_dirs.empty()) |
| 1044 | { |
| 1045 | result.append("[" ); |
| 1046 | if (!_absolute && _dirs[0] != ".." ) |
| 1047 | result.append("." ); |
| 1048 | for (StringVec::const_iterator it = _dirs.begin(); it != _dirs.end(); ++it) |
| 1049 | { |
| 1050 | if (it != _dirs.begin() && *it != ".." ) |
| 1051 | result.append("." ); |
| 1052 | if (*it == ".." ) |
| 1053 | result.append("-" ); |
| 1054 | else |
| 1055 | result.append(*it); |
| 1056 | } |
| 1057 | result.append("]" ); |
| 1058 | } |
| 1059 | result.append(_name); |
| 1060 | if (!_version.empty()) |
| 1061 | { |
| 1062 | result.append(";" ); |
| 1063 | result.append(_version); |
| 1064 | } |
| 1065 | return result; |
| 1066 | } |
| 1067 | |
| 1068 | |
| 1069 | std::string Path::transcode(const std::string& path) |
| 1070 | { |
| 1071 | #if defined(_WIN32) |
| 1072 | std::wstring uniPath; |
| 1073 | UnicodeConverter::toUTF16(path, uniPath); |
| 1074 | DWORD len = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, uniPath.c_str(), static_cast<int>(uniPath.length()), NULL, 0, NULL, NULL); |
| 1075 | if (len > 0) |
| 1076 | { |
| 1077 | Buffer<char> buffer(len); |
| 1078 | DWORD rc = WideCharToMultiByte(CP_ACP, WC_NO_BEST_FIT_CHARS, uniPath.c_str(), static_cast<int>(uniPath.length()), buffer.begin(), static_cast<int>(buffer.size()), NULL, NULL); |
| 1079 | if (rc) |
| 1080 | { |
| 1081 | return std::string(buffer.begin(), buffer.size()); |
| 1082 | } |
| 1083 | } |
| 1084 | #endif |
| 1085 | return path; |
| 1086 | } |
| 1087 | |
| 1088 | |
| 1089 | } // namespace Poco |
| 1090 | |