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<?php
/**
* @package Joomla.Administrator
* @subpackage com_finder
*
* @copyright (C) 2011 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\Component\Finder\Administrator\Indexer\Parser;
use Joomla\Component\Finder\Administrator\Indexer\Parser;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* RTF Parser class for the Finder indexer package.
*
* @since 2.5
*/
class Rtf extends Parser
{
/**
* 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[^}]*}#mi', '', $input);
// Remove control characters.
$input = str_replace(['{', '}', "\\\n"], [' ', ' ', "\n"], $input);
$input = preg_replace('#\\\([^;]+?);#m', ' ', $input);
$input = preg_replace('#\\\[\'a-zA-Z0-9]+#mi', ' ', $input);
return $input;
}
}