/**
* Processes the opt:root node.
* @internal
* @param Opt_Xml_Node $node The recognized node.
*/
public function processNode(Opt_Xml_Node $node)
{
if ($node->getParent()->getType() != 'Opt_Xml_Root') {
throw new Opt_InstructionInvalidParent_Exception($node->getXmlName(), 'ROOT');
}
$params = array('escaping' => array(0 => self::OPTIONAL, self::BOOL, NULL), 'include' => array(0 => self::OPTIONAL, self::STRING, NULL), 'dynamic' => array(0 => self::OPTIONAL, self::BOOL, false));
$this->_extractAttributes($node, $params);
// Compile-time inclusion support
if (!is_null($params['include'])) {
$file = $params['include'];
if ($params['dynamic']) {
if (is_null($file = $this->_compiler->inherits($this->_compiler->get('currentTemplate')))) {
$file = $params['include'];
}
}
$this->_compiler->addDependantTemplate($file);
$compiler = new Opt_Compiler_Class($this->_compiler);
$compiler->compile($this->_tpl->_getSource($file), $file, NULL, $this->_compiler->get('mode'));
$this->_compiler->importDependencies($compiler);
}
// Escaping control support
if (!is_null($params['escaping'])) {
$this->_compiler->set('escaping', $params['escaping']);
}
$this->_process($node);
}
/**
* Finishes the processing of the opt:extend node. In this particular
* case it handles the support of snippet extending, where the snippets
* need to be scanned AFTER they are actually loaded.
*
* @internal
* @param Opt_Xml_Node $node The recognized node.
*/
public function postprocessNode(Opt_Xml_Node $node)
{
if ($this->_compiler->processor('snippet')->isSnippet($node->get('branch'))) {
$node->getParent()->set('snippet', $node->get('branch'));
} else {
$node->getParent()->set('extend', $node->get('branch'));
}
}
/**
* A helper method for building the XML tree. It jumps out of the
* current node to the parent and switches to it.
*
* @internal
* @param Opt_Xml_Node $current The current node.
* @return Opt_Xml_Node
*/
protected function _treeJumpOut($current)
{
$parent = $current->getParent();
if (!is_null($parent)) {
return $parent;
}
return $current;
}
