/**
* Called before child nodes are visited.
*
* @param IfwPsn_Vendor_Twig_NodeInterface $node The node to visit
* @param IfwPsn_Vendor_Twig_Environment $env The Twig environment instance
*
* @return IfwPsn_Vendor_Twig_NodeInterface The modified node
*/
public function enterNode(IfwPsn_Vendor_Twig_NodeInterface $node, IfwPsn_Vendor_Twig_Environment $env)
{
if ($node instanceof IfwPsn_Vendor_Twig_Node_Module) {
$this->inAModule = true;
$this->tags = array();
$this->filters = array();
$this->functions = array();
return $node;
} elseif ($this->inAModule) {
// look for tags
if ($node->getNodeTag()) {
$this->tags[] = $node->getNodeTag();
}
// look for filters
if ($node instanceof IfwPsn_Vendor_Twig_Node_Expression_Filter) {
$this->filters[] = $node->getNode('filter')->getAttribute('value');
}
// look for functions
if ($node instanceof IfwPsn_Vendor_Twig_Node_Expression_Function) {
$this->functions[] = $node->getAttribute('name');
}
// wrap print to check __toString() calls
if ($node instanceof IfwPsn_Vendor_Twig_Node_Print) {
return new IfwPsn_Vendor_Twig_Node_SandboxedPrint($node->getNode('expr'), $node->getLine(), $node->getNodeTag());
}
}
return $node;
}
