[Summary view] [Print] [Text view]

   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   * FilecontentFilterIterator filters files by their contents using patterns (regexps or strings).
  16   *
  17   * @author Fabien Potencier  <fabien@symfony.com>
  18   * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
  19   */
  20  class FilecontentFilterIterator extends MultiplePcreFilterIterator
  21  {
  22      /**
  23       * Filters the iterator values.
  24       *
  25       * @return bool true if the value should be kept, false otherwise
  26       */
  27      public function accept()
  28      {
  29          if (!$this->matchRegexps && !$this->noMatchRegexps) {
  30              return true;
  31          }
  32  
  33          $fileinfo = $this->current();
  34  
  35          if ($fileinfo->isDir() || !$fileinfo->isReadable()) {
  36              return false;
  37          }
  38  
  39          $content = $fileinfo->getContents();
  40          if (!$content) {
  41              return false;
  42          }
  43  
  44          return $this->isAccepted($content);
  45      }
  46  
  47      /**
  48       * Converts string to regexp if necessary.
  49       *
  50       * @param string $str Pattern: string or regexp
  51       *
  52       * @return string regexp corresponding to a given string or regexp
  53       */
  54      protected function toRegex($str)
  55      {
  56          return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
  57      }
  58  }