1: <?php
 2: 
 3: /**
 4:  * Pry Framework
 5:  *
 6:  * LICENSE
 7:  *
 8:  * This source file is subject to the new BSD license that is bundled
 9:  * with this package in the file LICENSE.txt.
10:  * 
11:  */
12: 
13: namespace Pry\File\Decorator;
14: 
15: use Pry\File\Util;
16: 
17: /**
18:  * Decorator permettant de filtrer les éléments listés
19:  * @category Pry
20:  * @package File
21:  * @subpackage File_Decorator
22:  * @version 1.0.0
23:  * @author Olivier ROGER <oroger.fr>
24:  */
25: class Filter extends \FilterIterator
26: {
27: 
28:     /**
29:      * Liste des extensions à autoriser. Toutes si vide
30:      * @var array
31:      */
32:     private $extensions = array();
33: 
34:     /**
35:      * Vérifie qu'un élément peut être listé
36:      * @return boolean
37:      */
38:     public function accept()
39:     {
40:         if (empty($this->extensions))
41:             return true;
42:         else
43:         {
44:             if (in_array(Util::getExtension($this->current()), $this->extensions))
45:                 return true;
46:         }
47:         return false;
48:     }
49: 
50:     /**
51:      * Défini une ou plusieurs extsions à autoriser
52:      * @param string|array $filter  
53:      */
54:     public function setExtension($filter)
55:     {
56:         if (!is_array($filter))
57:             $this->extensions[] = strtolower($filter);
58:         else
59:             $this->extensions   = array_merge($this->extensions, $filter);
60:     }
61: 
62: }
63: 
64: ?>
65: