--- /dev/null
+<?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;
+
+/**
+ * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
+ */
+class PathFilterIterator extends MultiplePcreFilterIterator
+{
+ /**
+ * Filters the iterator values.
+ *
+ * @return bool true if the value should be kept, false otherwise
+ */
+ public function accept()
+ {
+ $filename = $this->current()->getRelativePathname();
+
+ if ('\\' === DIRECTORY_SEPARATOR) {
+ $filename = str_replace('\\', '/', $filename);
+ }
+
+ return $this->isAccepted($filename);
+ }
+
+ /**
+ * Converts strings to regexp.
+ *
+ * PCRE patterns are left unchanged.
+ *
+ * Default conversion:
+ * 'lorem/ipsum/dolor' ==> 'lorem\/ipsum\/dolor/'
+ *
+ * Use only / as directory separator (on Windows also).
+ *
+ * @param string $str Pattern: regexp or dirname
+ *
+ * @return string regexp corresponding to a given string or regexp
+ */
+ protected function toRegex($str)
+ {
+ return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
+ }
+}