/**
* draw
*
* Try draw output layout
*
* @return null
*/
public static function draw()
{
$renderTries = 2;
while ($renderTries--) {
try {
ob_start();
// txt context
if (self::$_outputContext == 'txt') {
Request::addHeader('Content-Type: text/plain');
$raw = TextPlainOutput::getContent(self::$_data);
// json context
} else {
if (self::$_outputContext == 'json') {
Request::addHeader('Content-Type: application/json');
$raw = json_encode(self::$_data ? self::$_data : new StdClass());
// xml context
} else {
if (self::$_outputContext == 'xml') {
Request::addHeader('Content-Type: application/xml');
$raw = XmlOutput::getContent(self::$_data, self::$_XSDSchema, self::$_docType);
// html context error
} else {
if (!self::$_layout) {
throw new SystemErrorException(array('title' => 'View error', 'description' => 'Layout is not set'));
// html context
} else {
Request::addHeader('Content-Type: text/html; charset=utf-8');
self::_normalizeHtmlContext();
extract(self::$_protectedData);
extract(self::$_data);
}
}
}
}
// set non-html context raw layout
if (self::$_outputContext != 'html') {
self::$_layout = 'raw.phtml';
}
require self::$_layout;
} catch (Exception $e) {
ob_clean();
self::assignException($e);
continue;
}
$layoutContent = ob_get_clean();
break;
}
if (!isset($layoutContent) && isset($e)) {
UnexpectedException::take($e, true);
}
Request::sendHeaders();
echo $layoutContent;
}
/**
* getContent
*
* Generate XML string
*
* @param mixed $data Input data
* @param array $schema XSD-schema exposed as array
* @param mixed $docType Doctype and XML namespace
* @return string Generated XML string
*/
public static function getContent($data, array $schema, $docType)
{
if ($docType === null) {
self::$_xmlDOM = new DOMDocument("1.0", "utf-8");
} else {
$imp = new DOMImplementation();
$dtd = $imp->createDocumentType($docType['name'], '', $docType['id']);
self::$_xmlDOM = $imp->createDocument("", "", $dtd);
self::$_xmlDOM->encoding = 'utf-8';
}
self::$_xmlDOM->formatOutput = true;
self::$_xmlDOM->substituteEntities = true;
$mainAttributes = array();
if (array_key_exists('attributes', $schema)) {
$mainAttributes = $schema['attributes'];
}
if (!$data || sizeof($data) > 1) {
$data = array($data);
}
self::_createXmlChildren($data, self::$_xmlDOM, $mainAttributes, array($schema));
return self::$_xmlDOM->saveXML();
}