crm.fsf.org/20131203/files/sites/all/modules-old/civicrm/vendor/symfony/finder/Symfony/Component/Finder/Iterator/PathFilterIterator.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  * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
  16  *
  17  * @author Fabien Potencier  <fabien@symfony.com>
  18  * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
  19  */
  20 class PathFilterIterator 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         $filename = $this->current()->getRelativePathname();
  30
  31         if ('\\' === DIRECTORY_SEPARATOR) {
  32             $filename = str_replace('\\', '/', $filename);
  33         }
  34
  35         // should at least not match one rule to exclude
  36         foreach ($this->noMatchRegexps as $regex) {
  37             if (preg_match($regex, $filename)) {
  38                 return false;
  39             }
  40         }
  41
  42         // should at least match one rule
  43         $match = true;
  44         if ($this->matchRegexps) {
  45             $match = false;
  46             foreach ($this->matchRegexps as $regex) {
  47                 if (preg_match($regex, $filename)) {
  48                     return true;
  49                 }
  50             }
  51         }
  52
  53         return $match;
  54     }
  55
  56     /**
  57      * Converts strings to regexp.
  58      *
  59      * PCRE patterns are left unchanged.
  60      *
  61      * Default conversion:
  62      *     'lorem/ipsum/dolor' ==>  'lorem\/ipsum\/dolor/'
  63      *
  64      * Use only / as directory separator (on Windows also).
  65      *
  66      * @param string $str Pattern: regexp or dirname.
  67      *
  68      * @return string regexp corresponding to a given string or regexp
  69      */
  70     protected function toRegex($str)
  71     {
  72         return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
  73     }
  74 }