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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Finder\Iterator;

/**
 * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
 *
 * @author Fabien Potencier  &lt;fabien@symfony.com&gt;
 * @author Włodzimierz Gajda &lt;gajdaw@gajdaw.pl&gt;
 *
 * @extends MultiplePcreFilterIterator&lt;string, \SplFileInfo&gt;
 */
class PathFilterIterator extends MultiplePcreFilterIterator
{
    /**
     * Filters the iterator values.
     *
     * @return bool
     */
    #[\ReturnTypeWillChange]
    public function accept()
    {
        $filename = $this-&gt;current()-&gt;getRelativePathname();

        if ('\\' === \DIRECTORY_SEPARATOR) {
            $filename = str_replace('\\', '/', $filename);
        }

        return $this-&gt;isAccepted($filename);
    }

    /**
     * Converts strings to regexp.
     *
     * PCRE patterns are left unchanged.
     *
     * Default conversion:
     *     'lorem/ipsum/dolor' ==&gt;  'lorem\/ipsum\/dolor/'
     *
     * Use only / as directory separator (on Windows also).
     *
     * @param string $str Pattern: regexp or dirname
     *
     * @return string
     */
    protected function toRegex(string $str)
    {
        return $this-&gt;isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
    }
}
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