<?php
/***************************************************************
* Copyright notice
*
* (c) 2007 Dmitry Dulepov <dmitry@typo3.org>
* All rights reserved
*
* This script is part of the TYPO3 project. The TYPO3 project is
* free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* The GNU General Public License can be found at
* http://www.gnu.org/copyleft/gpl.html.
*
* This script is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/
/**
* [CLASS/FUNCTION INDEX of SCRIPT]
*/
/**
* Content post-processing functions.
*
* @author Dmitry Dulepov <dmitry@typo3.org>
* @package TYPO3
* @subpackage tx_robots
*/
class tx_robots_postproc {
/**
* Checks for indexing flags
*
* @param array $params Unused
* @param object $pObj Reference to TSFE
*/
function contentPostProcOutput(&$params, &$pObj) {
// Only if flags are non-zero and <meta name="robots"> is not set already
if ($GLOBALS['TSFE']->page['tx_robots_flags'] &&
false !== ($pos = stripos($pObj->content, '</head>')) &&
!preg_match('/<meta[^>]*\sname=([\'"])?robots\1/i', $pObj->content)) {
$values = array(1 => 'index', 2 => 'follow');
if ($GLOBALS['TSFE']->page['tx_robots_flags'] & 1) {
$values[1] = 'noindex';
}
if ($GLOBALS['TSFE']->page['tx_robots_flags'] & 2) {
$values[2] = 'nofollow';
}
$pObj->content = substr($pObj->content, 0, $pos) .
'<meta name="robots" content="' . implode(',', $values) . '" />' . chr(10) .
substr($pObj->content, $pos);
}
}
}
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/robots/class.tx_robots_postproc.php']) {
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/robots/class.tx_robots_postproc.php']);
}
?>