1: <?php
 2: 
 3: /*
 4:  * This file is part of the Symfony package.
 5:  *
 6:  * (c) Fabien Potencier <fabien@symfony.com>
 7:  *
 8:  * For the full copyright and license information, please view the LICENSE
 9:  * file that was distributed with this source code.
10:  */
11: 
12: namespace Symfony\Component\Finder\Iterator;
13: 
14: /**
15:  * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
16:  *
17:  * @author Fabien Potencier  <fabien@symfony.com>
18:  * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
19:  */
20: class PathFilterIterator extends MultiplePcreFilterIterator
21: {
22: 
23:     /**
24:      * Filters the iterator values.
25:      *
26:      * @return Boolean true if the value should be kept, false otherwise
27:      */
28:     public function accept()
29:     {
30:         $filename = $this->current()->getRelativePathname();
31: 
32:         if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
33:             $filename = strtr($filename, '\\', '/');
34:         }
35: 
36:         // should at least not match one rule to exclude
37:         foreach ($this->noMatchRegexps as $regex) {
38:             if (preg_match($regex, $filename)) {
39:                 return false;
40:             }
41:         }
42: 
43:         // should at least match one rule
44:         $match = true;
45:         if ($this->matchRegexps) {
46:             $match = false;
47:             foreach ($this->matchRegexps as $regex) {
48:                 if (preg_match($regex, $filename)) {
49:                     return true;
50:                 }
51:             }
52:         }
53: 
54:         return $match;
55:     }
56: 
57:     /**
58:      * Converts strings to regexp.
59:      *
60:      * PCRE patterns are left unchanged.
61:      *
62:      * Default conversion:
63:      *     'lorem/ipsum/dolor'  ==>  'lorem\/ipsum\/dolor/'
64:      *
65:      * Use only / as directory separator (on Windows also).
66:      *
67:      * @param string $str Pattern: regexp or dirname.
68:      *
69:      * @return string regexp corresponding to a given string or regexp
70:      */
71:     protected function toRegex($str)
72:     {
73:         return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
74:     }
75: }
76: