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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;
/**
* FilecontentFilterIterator filters files by their contents using patterns (regexps or strings).
*
* @author Fabien Potencier <fabien@symfony.com>
* @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
*/
class FilecontentFilterIterator extends MultiplePcreFilterIterator
{
/**
* Filters the iterator values.
*
* @return bool true if the value should be kept, false otherwise
*/
public function accept()
{
if (!$this->matchRegexps && !$this->noMatchRegexps) {
return true;
}
$fileinfo = $this->current();
if ($fileinfo->isDir() || !$fileinfo->isReadable()) {
return false;
}
$content = $fileinfo->getContents();
if (!$content) {
return false;
}
return $this->isAccepted($content);
}
/**
* Converts string to regexp if necessary.
*
* @param string $str Pattern: string or regexp
*
* @return string regexp corresponding to a given string or regexp
*/
protected function toRegex($str)
{
return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
}
}