Viewing file:  RecursiveDirectoryIterator.php (2.98 KB) -rw-r--r--
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<?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;
}
}
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