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| 1 | <?php |
| 2 | /** |
| 3 | * Pop PHP Framework (http://www.popphp.org/) |
| 4 | * |
| 5 | * @link https://github.com/popphp/popphp-framework |
| 6 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 7 | * @copyright Copyright (c) 2009-2021 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 8 | * @license http://www.popphp.org/license New BSD License |
| 9 | */ |
| 10 | |
| 11 | /** |
| 12 | * @namespace |
| 13 | */ |
| 14 | namespace Pop\Dir; |
| 15 | |
| 16 | /** |
| 17 | * Directory class |
| 18 | * |
| 19 | * @category Pop |
| 20 | * @package Pop\Dir |
| 21 | * @author Nick Sagona, III <dev@nolainteractive.com> |
| 22 | * @copyright Copyright (c) 2009-2021 NOLA Interactive, LLC. (http://www.nolainteractive.com) |
| 23 | * @license http://www.popphp.org/license New BSD License |
| 24 | * @version 3.2.0 |
| 25 | */ |
| 26 | class Dir implements \ArrayAccess, \Countable, \IteratorAggregate |
| 27 | { |
| 28 | |
| 29 | /** |
| 30 | * The directory path |
| 31 | * @var string |
| 32 | */ |
| 33 | protected $path = null; |
| 34 | |
| 35 | /** |
| 36 | * The files within the directory |
| 37 | * @var array |
| 38 | */ |
| 39 | protected $files = []; |
| 40 | |
| 41 | /** |
| 42 | * The nested tree map of the directory and its files |
| 43 | * @var array |
| 44 | */ |
| 45 | protected $tree = []; |
| 46 | |
| 47 | /** |
| 48 | * Flag to store the absolute path. |
| 49 | * @var boolean |
| 50 | */ |
| 51 | protected $absolute = false; |
| 52 | |
| 53 | /** |
| 54 | * Flag to store the relative path. |
| 55 | * @var boolean |
| 56 | */ |
| 57 | protected $relative = false; |
| 58 | |
| 59 | /** |
| 60 | * Flag to dig recursively. |
| 61 | * @var boolean |
| 62 | */ |
| 63 | protected $recursive = false; |
| 64 | |
| 65 | /** |
| 66 | * Flag to include only files and no directories |
| 67 | * @var boolean |
| 68 | */ |
| 69 | protected $filesOnly = false; |
| 70 | |
| 71 | /** |
| 72 | * Constructor |
| 73 | * |
| 74 | * Instantiate a directory object |
| 75 | * |
| 76 | * @param string $dir |
| 77 | * @param array $options |
| 78 | * @throws Exception |
| 79 | */ |
| 80 | public function __construct($dir, array $options = []) |
| 81 | { |
| 82 | // Set the directory path. |
| 83 | if ((strpos($dir, "\\") !== false) && (DIRECTORY_SEPARATOR != "\\")) { |
| 84 | $this->path = str_replace("\\", '/', $dir); |
| 85 | } else { |
| 86 | $this->path = $dir; |
| 87 | } |
| 88 | |
| 89 | // Check to see if the directory exists. |
| 90 | if (!file_exists($this->path)) { |
| 91 | throw new Exception("Error: The directory '" . $this->path . "' does not exist"); |
| 92 | } |
| 93 | |
| 94 | // Trim the trailing slash. |
| 95 | if (strrpos($this->path, DIRECTORY_SEPARATOR) == (strlen($this->path) - 1)) { |
| 96 | $this->path = substr($this->path, 0, -1); |
| 97 | } |
| 98 | |
| 99 | if (isset($options['absolute'])) { |
| 100 | $this->setAbsolute($options['absolute']); |
| 101 | } |
| 102 | if (isset($options['relative'])) { |
| 103 | $this->setRelative($options['relative']); |
| 104 | } |
| 105 | if (isset($options['recursive'])) { |
| 106 | $this->setRecursive($options['recursive']); |
| 107 | } |
| 108 | if (isset($options['filesOnly'])) { |
| 109 | $this->setFilesOnly($options['filesOnly']); |
| 110 | } |
| 111 | |
| 112 | $this->tree[realpath($this->path)] = $this->buildTree(new \DirectoryIterator($this->path)); |
| 113 | |
| 114 | if ($this->recursive) { |
| 115 | $this->traverseRecursively(); |
| 116 | } else { |
| 117 | $this->traverse(); |
| 118 | } |
| 119 | } |
| 120 | |
| 121 | /** |
| 122 | * Method to get the count of files in the directory |
| 123 | * |
| 124 | * @return int |
| 125 | */ |
| 126 | public function count() |
| 127 | { |
| 128 | return count($this->files); |
| 129 | } |
| 130 | |
| 131 | /** |
| 132 | * Method to iterate over the files |
| 133 | * |
| 134 | * @return \ArrayIterator |
| 135 | */ |
| 136 | public function getIterator() |
| 137 | { |
| 138 | return new \ArrayIterator($this->files); |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Set absolute |
| 143 | * |
| 144 | * @param boolean $absolute |
| 145 | * @return Dir |
| 146 | */ |
| 147 | public function setAbsolute($absolute) |
| 148 | { |
| 149 | $this->absolute = (bool)$absolute; |
| 150 | if (($this->absolute) && ($this->isRelative())) { |
| 151 | $this->setRelative(false); |
| 152 | } |
| 153 | return $this; |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Set relative |
| 158 | * |
| 159 | * @param boolean $relative |
| 160 | * @return Dir |
| 161 | */ |
| 162 | public function setRelative($relative) |
| 163 | { |
| 164 | $this->relative = (bool)$relative; |
| 165 | if (($this->relative) && ($this->isAbsolute())) { |
| 166 | $this->setAbsolute(false); |
| 167 | } |
| 168 | return $this; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * Set recursive |
| 173 | * |
| 174 | * @param boolean $recursive |
| 175 | * @return Dir |
| 176 | */ |
| 177 | public function setRecursive($recursive) |
| 178 | { |
| 179 | $this->recursive = (bool)$recursive; |
| 180 | return $this; |
| 181 | } |
| 182 | |
| 183 | /** |
| 184 | * Set files only |
| 185 | * |
| 186 | * @param boolean $filesOnly |
| 187 | * @return Dir |
| 188 | */ |
| 189 | public function setFilesOnly($filesOnly) |
| 190 | { |
| 191 | $this->filesOnly = (bool)$filesOnly; |
| 192 | return $this; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Is absolute |
| 197 | * |
| 198 | * @return boolean |
| 199 | */ |
| 200 | public function isAbsolute() |
| 201 | { |
| 202 | return $this->absolute; |
| 203 | } |
| 204 | |
| 205 | /** |
| 206 | * Is relative |
| 207 | * |
| 208 | * @return boolean |
| 209 | */ |
| 210 | public function isRelative() |
| 211 | { |
| 212 | return $this->relative; |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * Is recursive |
| 217 | * |
| 218 | * @return boolean |
| 219 | */ |
| 220 | public function isRecursive() |
| 221 | { |
| 222 | return $this->recursive; |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * Is files only |
| 227 | * |
| 228 | * @return boolean |
| 229 | */ |
| 230 | public function isFilesOnly() |
| 231 | { |
| 232 | return $this->filesOnly; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Get the path |
| 237 | * |
| 238 | * @return string |
| 239 | */ |
| 240 | public function getPath() |
| 241 | { |
| 242 | return $this->path; |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * Get the files |
| 247 | * |
| 248 | * @return array |
| 249 | */ |
| 250 | public function getFiles() |
| 251 | { |
| 252 | return $this->files; |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Get the tree |
| 257 | * |
| 258 | * @return array |
| 259 | */ |
| 260 | public function getTree() |
| 261 | { |
| 262 | return $this->tree; |
| 263 | } |
| 264 | |
| 265 | /** |
| 266 | * Copy an entire directory recursively to another destination directory |
| 267 | * |
| 268 | * @param string $destination |
| 269 | * @param boolean $full |
| 270 | * @return void |
| 271 | */ |
| 272 | public function copyTo($destination, $full = true) |
| 273 | { |
| 274 | if ($full) { |
| 275 | if (strpos($this->path, DIRECTORY_SEPARATOR) !== false) { |
| 276 | $folder = substr($this->path, (strrpos($this->path, DIRECTORY_SEPARATOR) + 1)); |
| 277 | } |
| 278 | |
| 279 | if (!file_exists($destination . DIRECTORY_SEPARATOR . $folder)) { |
| 280 | mkdir($destination . DIRECTORY_SEPARATOR . $folder); |
| 281 | } |
| 282 | $destination = $destination . DIRECTORY_SEPARATOR . $folder; |
| 283 | } |
| 284 | |
| 285 | foreach ( |
| 286 | $iterator = new \RecursiveIteratorIterator( |
| 287 | new \RecursiveDirectoryIterator($this->path, \RecursiveDirectoryIterator::SKIP_DOTS), |
| 288 | \RecursiveIteratorIterator::SELF_FIRST) as $item |
| 289 | ) { |
| 290 | if ($item->isDir()) { |
| 291 | mkdir($destination . DIRECTORY_SEPARATOR . $iterator->getSubPathName()); |
| 292 | } else { |
| 293 | copy($item, $destination . DIRECTORY_SEPARATOR . $iterator->getSubPathName()); |
| 294 | } |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | /** |
| 299 | * File exists |
| 300 | * |
| 301 | * @param string $file |
| 302 | * @return boolean |
| 303 | */ |
| 304 | public function fileExists($file) |
| 305 | { |
| 306 | return $this->offsetExists($file); |
| 307 | } |
| 308 | |
| 309 | /** |
| 310 | * Delete a file |
| 311 | * |
| 312 | * @param string $file |
| 313 | * @throws Exception |
| 314 | * @return void |
| 315 | */ |
| 316 | public function deleteFile($file) |
| 317 | { |
| 318 | $this->offsetUnset($file); |
| 319 | } |
| 320 | |
| 321 | /** |
| 322 | * Empty an entire directory |
| 323 | * |
| 324 | * @param boolean $remove |
| 325 | * @param string $path |
| 326 | * @throws Exception |
| 327 | * @return void |
| 328 | */ |
| 329 | public function emptyDir($remove = false, $path = null) |
| 330 | { |
| 331 | if (null === $path) { |
| 332 | $path = $this->path; |
| 333 | } |
| 334 | |
| 335 | // Get a directory handle. |
| 336 | if (!($dh = @opendir($path))) { |
| 337 | throw new Exception('Error: Unable to open the directory path "' . $path . '"'); |
| 338 | } |
| 339 | |
| 340 | // Recursively dig through the directory, deleting files where applicable. |
| 341 | while (false !== ($obj = readdir($dh))) { |
| 342 | if ($obj == '.' || $obj == '..') { |
| 343 | continue; |
| 344 | } |
| 345 | if (!@unlink($path . DIRECTORY_SEPARATOR . $obj)) { |
| 346 | $this->emptyDir(true, $path . DIRECTORY_SEPARATOR . $obj); |
| 347 | } |
| 348 | } |
| 349 | |
| 350 | // Close the directory handle. |
| 351 | closedir($dh); |
| 352 | |
| 353 | // If the delete flag was passed, remove the top level directory. |
| 354 | if ($remove) { |
| 355 | @rmdir($path); |
| 356 | } |
| 357 | } |
| 358 | |
| 359 | /** |
| 360 | * Get a file |
| 361 | * |
| 362 | * @param string $name |
| 363 | * @return mixed |
| 364 | */ |
| 365 | public function __get($name) |
| 366 | { |
| 367 | return $this->offsetGet($name); |
| 368 | } |
| 369 | |
| 370 | /** |
| 371 | * Does file exist |
| 372 | * |
| 373 | * @param string $name |
| 374 | * @return boolean |
| 375 | */ |
| 376 | public function __isset($name) |
| 377 | { |
| 378 | return $this->offsetExists($name); |
| 379 | } |
| 380 | |
| 381 | /** |
| 382 | * Set method |
| 383 | * |
| 384 | * @param string $name |
| 385 | * @param mixed $value |
| 386 | * @throws Exception |
| 387 | * @return void |
| 388 | */ |
| 389 | public function __set($name, $value) |
| 390 | { |
| 391 | $this->offsetSet($name, $value); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Unset method |
| 396 | * |
| 397 | * @param string $name |
| 398 | * @throws Exception |
| 399 | * @return void |
| 400 | */ |
| 401 | public function __unset($name) |
| 402 | { |
| 403 | $this->offsetUnset($name); |
| 404 | } |
| 405 | |
| 406 | /** |
| 407 | * ArrayAccess offsetExists |
| 408 | * |
| 409 | * @param mixed $offset |
| 410 | * @return boolean |
| 411 | */ |
| 412 | public function offsetExists($offset) |
| 413 | { |
| 414 | if (!is_numeric($offset) && in_array($offset, $this->files)) { |
| 415 | $offset = array_search($offset, $this->files); |
| 416 | } |
| 417 | return isset($this->files[$offset]); |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * ArrayAccess offsetGet |
| 422 | * |
| 423 | * @param mixed $offset |
| 424 | * @return mixed |
| 425 | */ |
| 426 | public function offsetGet($offset) |
| 427 | { |
| 428 | return (isset($this->files[$offset])) ? $this->files[$offset] : null; |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * ArrayAccess offsetSet |
| 433 | * |
| 434 | * @param string $offset |
| 435 | * @param mixed $value |
| 436 | * @throws Exception |
| 437 | * @return void |
| 438 | */ |
| 439 | public function offsetSet($offset, $value) |
| 440 | { |
| 441 | throw new Exception('Error: The directory object is read-only'); |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * ArrayAccess offsetUnset |
| 446 | * |
| 447 | * @param string $offset |
| 448 | * @throws Exception |
| 449 | * @return void |
| 450 | */ |
| 451 | public function offsetUnset($offset) |
| 452 | { |
| 453 | if (!is_numeric($offset) && in_array($offset, $this->files)) { |
| 454 | $offset = array_search($offset, $this->files); |
| 455 | } |
| 456 | if (isset($this->files[$offset])) { |
| 457 | if (is_dir($this->path . DIRECTORY_SEPARATOR . $this->files[$offset])) { |
| 458 | throw new Exception("Error: The file '" . $this->path . DIRECTORY_SEPARATOR . $this->files[$offset] . "' is a directory"); |
| 459 | } else if (!file_exists($this->path . DIRECTORY_SEPARATOR . $this->files[$offset])) { |
| 460 | throw new Exception("Error: The file '" . $this->path . DIRECTORY_SEPARATOR . $this->files[$offset] . "' does not exist"); |
| 461 | } else if (!is_writable($this->path . DIRECTORY_SEPARATOR . $this->files[$offset])) { |
| 462 | throw new Exception("Error: The file '" . $this->path . DIRECTORY_SEPARATOR . $this->files[$offset] . "' is read-only"); |
| 463 | } else { |
| 464 | unlink($this->path . DIRECTORY_SEPARATOR . $this->files[$offset]); |
| 465 | unset($this->files[$offset]); |
| 466 | } |
| 467 | } else { |
| 468 | throw new Exception("Error: The file does not exist"); |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | /** |
| 473 | * Traverse the directory |
| 474 | * |
| 475 | * @return void |
| 476 | */ |
| 477 | protected function traverse() |
| 478 | { |
| 479 | foreach (new \DirectoryIterator($this->path) as $fileInfo) { |
| 480 | if(!$fileInfo->isDot()) { |
| 481 | // If absolute path flag was passed, store the absolute path. |
| 482 | if ($this->absolute) { |
| 483 | $f = null; |
| 484 | if (!$this->filesOnly) { |
| 485 | $f = ($fileInfo->isDir()) ? |
| 486 | ($this->path . DIRECTORY_SEPARATOR . $fileInfo->getFilename() . DIRECTORY_SEPARATOR) : |
| 487 | ($this->path . DIRECTORY_SEPARATOR . $fileInfo->getFilename()); |
| 488 | } else if (!$fileInfo->isDir()) { |
| 489 | $f = $this->path . DIRECTORY_SEPARATOR . $fileInfo->getFilename(); |
| 490 | } |
| 491 | if (($f !== false) && (null !== $f)) { |
| 492 | $this->files[] = $f; |
| 493 | } |
| 494 | // If relative path flag was passed, store the relative path. |
| 495 | } else if ($this->relative) { |
| 496 | $f = null; |
| 497 | if (!$this->filesOnly) { |
| 498 | $f = ($fileInfo->isDir()) ? |
| 499 | ($this->path . DIRECTORY_SEPARATOR . $fileInfo->getFilename() . DIRECTORY_SEPARATOR) : |
| 500 | ($this->path . DIRECTORY_SEPARATOR . $fileInfo->getFilename()); |
| 501 | } else if (!$fileInfo->isDir()) { |
| 502 | $f = $this->path . DIRECTORY_SEPARATOR . $fileInfo->getFilename(); |
| 503 | } |
| 504 | if (($f !== false) && (null !== $f)) { |
| 505 | $this->files[] = substr($f, (strlen(realpath($this->path)) + 1)); |
| 506 | } |
| 507 | // Else, store only the directory or file name. |
| 508 | } else { |
| 509 | if (!$this->filesOnly) { |
| 510 | $this->files[] = ($fileInfo->isDir()) ? ($fileInfo->getFilename()) : $fileInfo->getFilename(); |
| 511 | } else if (!$fileInfo->isDir()) { |
| 512 | $this->files[] = $fileInfo->getFilename(); |
| 513 | } |
| 514 | } |
| 515 | } |
| 516 | } |
| 517 | } |
| 518 | |
| 519 | /** |
| 520 | * Traverse the directory recursively |
| 521 | * |
| 522 | * @return void |
| 523 | */ |
| 524 | protected function traverseRecursively() |
| 525 | { |
| 526 | $objects = new \RecursiveIteratorIterator( |
| 527 | new \RecursiveDirectoryIterator($this->path), \RecursiveIteratorIterator::SELF_FIRST |
| 528 | ); |
| 529 | foreach ($objects as $fileInfo) { |
| 530 | if (($fileInfo->getFilename() != '.') && ($fileInfo->getFilename() != '..')) { |
| 531 | // If absolute path flag was passed, store the absolute path. |
| 532 | if ($this->absolute) { |
| 533 | $f = null; |
| 534 | if (!$this->filesOnly) { |
| 535 | $f = ($fileInfo->isDir()) ? |
| 536 | (realpath($fileInfo->getPathname())) : realpath($fileInfo->getPathname()); |
| 537 | } else if (!$fileInfo->isDir()) { |
| 538 | $f = realpath($fileInfo->getPathname()); |
| 539 | } |
| 540 | if (($f !== false) && (null !== $f)) { |
| 541 | $this->files[] = $f; |
| 542 | } |
| 543 | // If relative path flag was passed, store the relative path. |
| 544 | } else if ($this->relative) { |
| 545 | $f = null; |
| 546 | if (!$this->filesOnly) { |
| 547 | $f = ($fileInfo->isDir()) ? |
| 548 | (realpath($fileInfo->getPathname())) : realpath($fileInfo->getPathname()); |
| 549 | } else if (!$fileInfo->isDir()) { |
| 550 | $f = realpath($fileInfo->getPathname()); |
| 551 | } |
| 552 | if (($f !== false) && (null !== $f)) { |
| 553 | $this->files[] = substr($f, (strlen(realpath($this->path)) + 1)); |
| 554 | } |
| 555 | // Else, store only the directory or file name. |
| 556 | } else { |
| 557 | if (!$this->filesOnly) { |
| 558 | $this->files[] = ($fileInfo->isDir()) ? ($fileInfo->getFilename()) : $fileInfo->getFilename(); |
| 559 | } else if (!$fileInfo->isDir()) { |
| 560 | $this->files[] = $fileInfo->getFilename(); |
| 561 | } |
| 562 | } |
| 563 | } |
| 564 | } |
| 565 | } |
| 566 | |
| 567 | /** |
| 568 | * Build the directory tree |
| 569 | * |
| 570 | * @param \DirectoryIterator $it |
| 571 | * @return array |
| 572 | */ |
| 573 | protected function buildTree(\DirectoryIterator $it) |
| 574 | { |
| 575 | $result = []; |
| 576 | |
| 577 | foreach ($it as $key => $child) { |
| 578 | if ($child->isDot()) { |
| 579 | continue; |
| 580 | } |
| 581 | |
| 582 | $name = $child->getBasename(); |
| 583 | |
| 584 | if ($child->isDir()) { |
| 585 | $subdir = new \DirectoryIterator($child->getPathname()); |
| 586 | $result[DIRECTORY_SEPARATOR . $name] = $this->buildTree($subdir); |
| 587 | } else { |
| 588 | $result[] = $name; |
| 589 | } |
| 590 | } |
| 591 | |
| 592 | return $result; |
| 593 | } |
| 594 | |
| 595 | } |