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<?php
/**
* @package Joomla.Administrator
* @subpackage com_finder
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('_JEXEC') or die;
JLoader::register('FinderIndexerParser', dirname(__DIR__) . '/parser.php');
/**
* RTF Parser class for the Finder indexer package.
*
* @since 2.5
*/
class FinderIndexerParserRtf extends FinderIndexerParser
{
/**
* Method to process RTF input and extract the plain text.
*
* @param string $input The input to process.
*
* @return string The plain text input.
*
* @since 2.5
*/
protected function process($input)
{
// Remove embedded pictures.
$input = preg_replace('#{\\\pict[^}]*}#mis', '', $input);
// Remove control characters.
$input = str_replace(array('{', '}', "\\\n"), array(' ', ' ', "\n"), $input);
$input = preg_replace('#\\\([^;]+?);#mis', ' ', $input);
$input = preg_replace('#\\\[\'a-zA-Z0-9]+#mis', ' ', $input);
return $input;
}
}