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FilecontentFilterIterator.php
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Finder\Iterator; /** * FilecontentFilterIterator filters files by their contents using patterns (regexps or strings). * * @author Fabien Potencier <fabien@symfony.com> * @author Włodzimierz Gajda <gajdaw@gajdaw.pl> */ class FilecontentFilterIterator extends MultiplePcreFilterIterator { /** * Filters the iterator values. * * @return Boolean true if the value should be kept, false otherwise */ public function accept() { if (!$this->matchRegexps && !$this->noMatchRegexps) { return true; } $fileinfo = $this->current(); if ($fileinfo->isDir() || !$fileinfo->isReadable()) { return false; } $content = $fileinfo->getContents(); if (!$content) { return false; } // should at least not match one rule to exclude foreach ($this->noMatchRegexps as $regex) { if (preg_match($regex, $content)) { return false; } } // should at least match one rule $match = true; if ($this->matchRegexps) { $match = false; foreach ($this->matchRegexps as $regex) { if (preg_match($regex, $content)) { return true; } } } return $match; } /** * Converts string to regexp if necessary. * * @param string $str Pattern: string or regexp * * @return string regexp corresponding to a given string or regexp */ protected function toRegex($str) { return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/'; } }