/**
* Find placeholder nodes recursively.
*
* @param Twig_Node $node
* @param array $placeholders
*/
protected function getVariables($node, &$placeholders)
{
if ($node instanceof Curry_Twig_Node_Placeholder) {
$placeholders[$node->getAttribute('name')] = true;
}
foreach ($node->getIterator() as $n) {
if ($n instanceof Twig_Node) {
$this->getVariables($n, $placeholders);
}
}
}
private function getKeyValuePairs(\Twig_Node $node)
{
$pairs = array();
foreach (array_chunk($node->getIterator()->getArrayCopy(), 2) as $pair) {
$pairs[] = array('key' => $pair[0], 'value' => $pair[1]);
}
return $pairs;
}
public function __construct(\Twig_Node $node)
{
$this->node = $node;
$this->iterator = $node->getIterator();
}
