<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Finder\Iterator;
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/**
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* FilecontentFilterIterator filters files by their contents using patterns (regexps or strings).
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
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*/
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class FilecontentFilterIterator extends MultiplePcreFilterIterator
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{
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/**
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* Filters the iterator values.
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*
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* @return bool true if the value should be kept, false otherwise
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*/
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#[\ReturnTypeWillChange]
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public function accept()
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{
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if (!$this->matchRegexps && !$this->noMatchRegexps) {
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return true;
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}
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$fileinfo = $this->current();
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if ($fileinfo->isDir() || !$fileinfo->isReadable()) {
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return false;
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}
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$content = $fileinfo->getContents();
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if (!$content) {
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return false;
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}
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return $this->isAccepted($content);
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}
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/**
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* Converts string to regexp if necessary.
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*
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* @param string $str Pattern: string or regexp
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*
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* @return string regexp corresponding to a given string or regexp
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*/
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protected function toRegex($str)
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{
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return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
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}
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}
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