public static function render($input, $args, $parser, $frame)
{
// Disable cache so that CSS will get loaded.
$parser->disableCache();
// If this call is contained in a transcluded page or template,
// or if the input is empty, display nothing.
if (!$frame->title->equals($parser->getTitle()) || $input == '') {
return;
}
// TODO: Do processing here, like parse to an array
$error_msg = null;
// Recreate the top-level <PageSchema> tag, with whatever
// attributes it contained, because that was actually a tag-
// function call, as opposed to a real XML tag.
$input = Xml::tags('PageSchema', $args, $input);
if ($xml_object = PageSchemas::validateXML($input, $error_msg)) {
// Store the XML in the page_props table
$parser->getOutput()->setProperty('PageSchema', $input);
// Display the schema on the screen
global $wgOut, $wgScriptPath;
$wgOut->addStyle($wgScriptPath . '/extensions/PageSchemas/PageSchemas.css');
$text = PageSchemas::displaySchema($xml_object);
} else {
// Store error message in the page_props table
$parser->getOutput()->setProperty('PageSchema', $error_msg);
$text = Html::element('p', null, "The (incorrect) XML definition for this template is:") . "\n";
$text .= Html::element('pre', null, $input);
}
return $text;
}
