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   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\Comparator\NumberComparator;
  15  
  16  /**
  17   * SizeRangeFilterIterator filters out files that are not in the given size range.
  18   *
  19   * @author Fabien Potencier <fabien@symfony.com>
  20   */
  21  class SizeRangeFilterIterator extends FilterIterator
  22  {
  23      private $comparators = [];
  24  
  25      /**
  26       * @param \Iterator          $iterator    The Iterator to filter
  27       * @param NumberComparator[] $comparators An array of NumberComparator instances
  28       */
  29      public function __construct(\Iterator $iterator, array $comparators)
  30      {
  31          $this->comparators = $comparators;
  32  
  33          parent::__construct($iterator);
  34      }
  35  
  36      /**
  37       * Filters the iterator values.
  38       *
  39       * @return bool true if the value should be kept, false otherwise
  40       */
  41      public function accept()
  42      {
  43          $fileinfo = $this->current();
  44          if (!$fileinfo->isFile()) {
  45              return true;
  46          }
  47  
  48          $filesize = $fileinfo->getSize();
  49          foreach ($this->comparators as $compare) {
  50              if (!$compare->test($filesize)) {
  51                  return false;
  52              }
  53          }
  54  
  55          return true;
  56      }
  57  }