/**
* Run the rendering behaviour related to the "XHTML" flavour.
*
* @param \qtism\data\storage\xml\XmlDocument $doc The QTI XML document to be rendered.
* @param \qtism\runtime\rendering\markup\xhtml\XhtmlRenderingEngine $renderer
* @return string The raw rendering data.
*/
private function runXhtml(XmlDocument $doc, XhtmlRenderingEngine $renderer)
{
$arguments = $this->getArguments();
$profile = $arguments['flavour'];
$xml = $renderer->render($doc->getDocumentComponent());
$header = '';
$footer = '';
$indent = '';
$nl = '';
if ($arguments['format'] === true) {
$xml->formatOutput = true;
$indent .= " ";
$nl .= "\n";
}
if ($arguments['document'] === true) {
$rootComponent = $doc->getDocumentComponent();
$title = '';
if ($rootComponent->getQtiClassName() === 'assessmentItem') {
$title = XmlUtils::escapeXmlSpecialChars($rootComponent->getTitle());
}
$header .= "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">\n";
$header .= "<html>{$nl}";
$header .= "{$indent}<head>{$nl}";
$header .= "{$indent}{$indent}<meta charset=\"utf-8\">{$nl}";
if (empty($title) !== false) {
$header .= "{$indent}{$indent}<title>" . $title . "</title>{$nl}";
}
$header .= "{$indent}{$indent}" . $renderer->getStylesheets()->ownerDocument->saveXML($renderer->getStylesheets());
$header .= "{$indent}</head>{$nl}";
$header .= "{$indent}<body>{$nl}";
$footer = "{$indent}</body>{$nl}";
$footer .= "</html>\n";
}
$body = $xml->saveXml($xml->documentElement) . "{$nl}";
// Indent body...
$indentBody = '';
if ($arguments['document'] === null) {
$indent = '';
}
foreach (preg_split('/\\n|\\r/u', $body, -1, PREG_SPLIT_NO_EMPTY) as $bodyLine) {
// do stuff with $line
$indentBody .= "{$indent}{$indent}{$bodyLine}{$nl}";
}
$body = $indentBody;
return "{$header}{$indentBody}{$footer}";
}
