/**
* Dump filter node.
*
* @param FilterNode $node filter node
* @param integer $level indentation level
*
* @return string
*/
protected function dumpFilter(FilterNode $node, $level = 0)
{
if (!isset($this->filters[$node->getName()])) {
throw new Exception(sprintf('Filter with alias "%s" is not registered.', $node->getName()));
}
$text = '';
if ($node->getBlock()) {
$text = $this->dumpNode($node->getBlock(), $level + 1);
}
return $this->filters[$node->getName()]->filter($text, $node->getAttributes(), str_repeat(' ', $level * $this->options['tabSize']));
}
