/**
* This method renders the data for the writer.
*
* @access public
* @return string the data as string
* @throws \Exception indicates a problem occurred
* when generating the template
*/
public function render()
{
$metadata = $this->metadata;
$declaration = $metadata['declaration'] ? Core\Data\XML::declaration($metadata['encoding'][1], $metadata['standalone']) . $metadata['eol'] : '';
if (!empty($metadata['template'])) {
$file = new IO\File($metadata['template']);
$mustache = new \Mustache_Engine(array('loader' => new \Mustache_Loader_FilesystemLoader($file->getFilePath()), 'escape' => function ($string) use($metadata) {
$string = Core\Data\Charset::encode($string, $metadata['encoding'][0], $metadata['encoding'][1]);
$string = Core\Data\XML::entities($string);
return $string;
}));
ob_start();
try {
echo $declaration;
echo $mustache->render($file->getFileName(), $this->data);
} catch (\Exception $ex) {
ob_end_clean();
throw $ex;
}
$template = ob_get_clean();
if (!empty($metadata['minify'])) {
$template = Minify\XML::minify($template, $metadata['minify']);
}
return $template;
} else {
ob_start();
try {
$document = new \DOMDocument();
$document->formatOutput = true;
$this->toXML($document, $document, $this->data);
echo $declaration;
echo $document->saveXML();
} catch (\Exception $ex) {
ob_end_clean();
throw $ex;
}
$template = ob_get_clean();
return $template;
}
}
/**
* This method returns the processed resource as a collection.
*
* @access public
* @param string $path the path to the value to be returned
* @return mixed the resource as a collection
*/
public function read($path = null)
{
$buffer = file_get_contents($this->file);
if ($this->metadata['bom']) {
$buffer = preg_replace('/^' . pack('H*', 'EFBBBF') . '/', '', $buffer);
}
if (!preg_match('/^<\\?xml\\s+.+\\?>/', $buffer)) {
$buffer = Core\Data\XML::declaration(Core\Data\Charset::UTF_8_ENCODING) . "\n" . $buffer;
}
$document = new \DOMDocument();
$document->substituteEntities = false;
$document->loadXML($buffer);
$collection = $this->parseWDDXPacketElement($document);
if ($path !== null) {
$collection = Config\Helper::factory($collection)->getValue($path);
}
return $collection;
}
