crm.fsf.org/20131203/files/sites/all/modules-old/civicrm/vendor/symfony/finder/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php

   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  * DepthRangeFilterIterator limits the directory depth.
  16  *
  17  * @author Fabien Potencier <fabien@symfony.com>
  18  */
  19 class DepthRangeFilterIterator extends FilterIterator
  20 {
  21     private $minDepth = 0;
  22
  23     /**
  24      * Constructor.
  25      *
  26      * @param \RecursiveIteratorIterator $iterator The Iterator to filter
  27      * @param int                        $minDepth The min depth
  28      * @param int                        $maxDepth The max depth
  29      */
  30     public function __construct(\RecursiveIteratorIterator $iterator, $minDepth = 0, $maxDepth = PHP_INT_MAX)
  31     {
  32         $this->minDepth = $minDepth;
  33         $iterator->setMaxDepth(PHP_INT_MAX === $maxDepth ? -1 : $maxDepth);
  34
  35         parent::__construct($iterator);
  36     }
  37
  38     /**
  39      * Filters the iterator values.
  40      *
  41      * @return bool true if the value should be kept, false otherwise
  42      */
  43     public function accept()
  44     {
  45         return $this->getInnerIterator()->getDepth() >= $this->minDepth;
  46     }
  47 }