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<?php |
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/** |
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* Copyright (c)2014-2014 heiglandreas |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIBILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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* |
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* @category |
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* @author Andreas Heigl<[email protected]> |
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* @copyright ©2014-2014 Andreas Heigl |
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* @license http://www.opesource.org/licenses/mit-license.php MIT-License |
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* @version 0.0 |
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* @since 05.11.14 |
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* @link https://github.com/heiglandreas/ |
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*/ |
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namespace Org_Heigl\FileFinder\Filter; |
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use Org_Heigl\FileFinder\FilterInterface; |
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class FileStart implements FilterInterface |
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{ |
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/** |
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* @var int $length |
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*/ |
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protected $length = 0; |
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/** |
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* @var string $contains |
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*/ |
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protected $contains = ''; |
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/** |
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* Check whether the given file should be included in the final Filelist |
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* |
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* @param \SplFileInfo $file |
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* |
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* @return boolean |
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*/ |
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public function filter(\SplFileInfo $file) |
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{ |
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$fh = fopen($file->getPathName(), 'r'); |
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$content = fread($fh, $this->length); |
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fclose($fh); |
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return false !== strpos($content, $this->contains); |
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} |
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/** |
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* Create an instance of the filter. |
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* This filter checks whether the given file starts with the given string in |
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* the first *length* bytes |
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* |
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* @param string $contains |
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* @param int $bytes |
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* |
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* @return void |
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*/ |
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public function __construct($contains, $bytes = 0) |
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{ |
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$this->contains = $contains; |
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if (! $bytes) { |
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$bytes = mb_strlen($this->contains); |
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} |
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$this->length = $bytes; |
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} |
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} |
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