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: use Symfony\Component\Finder\Expression\Expression;
15: 
16: /**
17:  * FilenameFilterIterator filters files by patterns (a regexp, a glob, or a string).
18:  *
19:  * @author Fabien Potencier <fabien@symfony.com>
20:  */
21: class FilenameFilterIterator extends MultiplePcreFilterIterator
22: {
23: 
24:     /**
25:      * Filters the iterator values.
26:      *
27:      * @return Boolean true if the value should be kept, false otherwise
28:      */
29:     public function accept()
30:     {
31:         $filename = $this->current()->getFilename();
32: 
33:         // should at least not match one rule to exclude
34:         foreach ($this->noMatchRegexps as $regex) {
35:             if (preg_match($regex, $filename)) {
36:                 return false;
37:             }
38:         }
39: 
40:         // should at least match one rule
41:         $match = true;
42:         if ($this->matchRegexps) {
43:             $match = false;
44:             foreach ($this->matchRegexps as $regex) {
45:                 if (preg_match($regex, $filename)) {
46:                     return true;
47:                 }
48:             }
49:         }
50: 
51:         return $match;
52:     }
53: 
54:     /**
55:      * Converts glob to regexp.
56:      *
57:      * PCRE patterns are left unchanged.
58:      * Glob strings are transformed with Glob::toRegex().
59:      *
60:      * @param string $str Pattern: glob or regexp
61:      *
62:      * @return string regexp corresponding to a given glob or regexp
63:      */
64:     protected function toRegex($str)
65:     {
66:         return Expression::create($str)->getRegex()->render();
67:     }
68: }
69: