/**
* process xsl template with Flow xml
*
* @param string xsl source file
* @return string xsl transformation output
*/
public function process($xslfile)
{
$flow = Nexista_Flow::Singleton('Nexista_Flow');
// The following can be used with the NYT xslt cache.
$use_xslt_cache = "yes";
if (!is_file($xslfile)) {
Nexista_Error::init('XSL Handler - Error processing XSL file,
it is unavailable: ' . $xslfile, NX_ERROR_FATAL);
}
if ($use_xslt_cache != "yes" || !class_exists('xsltCache')) {
$xsl = new DomDocument('1.0', 'UTF-8');
$xsl->substituteEntities = false;
$xsl->resolveExternals = false;
$xslfilecontents .= file_get_contents($xslfile);
$xsl->loadXML($xslfilecontents);
$xsl->documentURI = $xslfile;
$xslHandler = new XsltProcessor();
$xslHandler->importStyleSheet($xsl);
if (4 == 3 && function_exists('setProfiling')) {
$xslHandler->setProfiling("/tmp/xslt-profiling.txt");
}
} else {
$xslHandler = new xsltCache();
$xslHandler->importStyleSheet($xslfile);
}
$output = $xslHandler->transformToXML($flow->flowDocument);
if ($output === false) {
Nexista_Error::init('XSL Handler - Error processing XSL file: ' . $xslfile, NX_ERROR_FATAL);
}
return $output;
}
