Current File : /opt/alt/php54/usr/share/pear/Symfony/Component/Finder/Iterator//MultiplePcreFilterIterator.php
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <[email protected]>
*
* 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\Expression\Expression;
/**
* MultiplePcreFilterIterator filters files using patterns (regexps, globs or strings).
*
* @author Fabien Potencier <[email protected]>
*/
abstract class MultiplePcreFilterIterator extends FilterIterator
{
protected $matchRegexps = array();
protected $noMatchRegexps = array();
/**
* Constructor.
*
* @param \Iterator $iterator The Iterator to filter
* @param array $matchPatterns An array of patterns that need to match
* @param array $noMatchPatterns An array of patterns that need to not match
*/
public function __construct(\Iterator $iterator, array $matchPatterns, array $noMatchPatterns)
{
foreach ($matchPatterns as $pattern) {
$this->matchRegexps[] = $this->toRegex($pattern);
}
foreach ($noMatchPatterns as $pattern) {
$this->noMatchRegexps[] = $this->toRegex($pattern);
}
parent::__construct($iterator);
}
/**
* Checks whether the string is a regex.
*
* @param string $str
*
* @return Boolean Whether the given string is a regex
*/
protected function isRegex($str)
{
return Expression::create($str)->isRegex();
}
/**
* Converts string into regexp.
*
* @param string $str Pattern
*
* @return string regexp corresponding to a given string
*/
abstract protected function toRegex($str);
}
