<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Finder\Iterator; use Symfony\Component\Finder\Exception\AccessDeniedException; use Symfony\Component\Finder\SplFileInfo; /** * Extends the \RecursiveDirectoryIterator to support relative paths * * @author Victor Berchet <victor@suumit.com> */ class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator { /** * @var boolean */ private $ignoreUnreadableDirs; /** * @var Boolean */ private $rewindable; /** * Constructor. * * @param string $path * @param int $flags * @param boolean $ignoreUnreadableDirs * * @throws \RuntimeException */ public function __construct($path, $flags, $ignoreUnreadableDirs = false) { if ($flags & (self::CURRENT_AS_PATHNAME | self::CURRENT_AS_SELF)) { throw new \RuntimeException('This iterator only support returning current as fileinfo.'); } parent::__construct($path, $flags); $this->ignoreUnreadableDirs = $ignoreUnreadableDirs; } /** * Return an instance of SplFileInfo with support for relative paths * * @return SplFileInfo File information */ public function current() { return new SplFileInfo(parent::current()->getPathname(), $this->getSubPath(), $this->getSubPathname()); } /** * @return \RecursiveIterator * * @throws AccessDeniedException */ public function getChildren() { try { return parent::getChildren(); } catch (\UnexpectedValueException $e) { if ($this->ignoreUnreadableDirs) { // If directory is unreadable and finder is set to ignore it, a fake empty content is returned. return new \RecursiveArrayIterator(array()); } else { throw new AccessDeniedException($e->getMessage(), $e->getCode(), $e); } } } /** * Do nothing for non rewindable stream */ public function rewind() { if (false === $this->isRewindable()) { return; } // @see https://bugs.php.net/bug.php?id=49104 parent::next(); parent::rewind(); } /** * Checks if the stream is rewindable. * * @return Boolean true when the stream is rewindable, false otherwise */ public function isRewindable() { if (null !== $this->rewindable) { return $this->rewindable; } if (false !== $stream = @opendir($this->getPath())) { $infos = stream_get_meta_data($stream); closedir($stream); if ($infos['seekable']) { return $this->rewindable = true; } } return $this->rewindable = false; } }