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<?php
/**
* PHPTAL templating engine
*
* PHP Version 5
*
* @category HTML
* @package PHPTAL
* @author Laurent Bedubourg <lbedubourg@motion-twin.com>
* @author Kornel Lesiński <kornel@aardvarkmedia.co.uk>
* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
* @version SVN: $Id$
* @link http://phptal.org/
*/
/**
* Outputs <![CDATA[ ]]> blocks, sometimes converts them to text
* @todo this might be moved to CDATA processing in Element
*
* @package PHPTAL
* @subpackage Dom
*/
class PHPTAL_Dom_CDATASection extends PHPTAL_Dom_Node
{
public function generateCode(PHPTAL_Php_CodeWriter $codewriter)
{
$mode = $codewriter->getOutputMode();
$value = $this->getValueEscaped();
$inCDATAelement = PHPTAL_Dom_Defs::getInstance()->isCDATAElementInHTML($this->parentNode->getNamespaceURI(), $this->parentNode->getLocalName());
// in HTML5 must limit it to <script> and <style>
if ($mode === PHPTAL::HTML5 && $inCDATAelement) {
$codewriter->pushHTML($codewriter->interpolateCDATA(str_replace('</', '<\/', $value)));
} elseif (($mode === PHPTAL::XHTML && $inCDATAelement) // safe for text/html
|| ($mode === PHPTAL::XML && preg_match('/[<>&]/', $value)) // non-useless in XML
|| ($mode !== PHPTAL::HTML5 && preg_match('/<\?|\${structure/', $value))) // hacks with structure (in X[HT]ML) may need it
{
// in text/html "</" is dangerous and the only sensible way to escape is ECMAScript string escapes.
if ($mode === PHPTAL::XHTML) $value = str_replace('</', '<\/', $value);
$codewriter->pushHTML($codewriter->interpolateCDATA('<![CDATA['.$value.']]>'));
} else {
$codewriter->pushHTML($codewriter->interpolateHTML(
htmlspecialchars($value, ENT_QUOTES, $codewriter->getEncoding())
));
}
}
}
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