protected function processResourceUrlFunction(Twig_Node $node)
{
if (!$this->urlGenerator) {
throw new RuntimeException('The resource_url() function is only available if ' . 'puli/url-generator is installed.');
}
$argsNode = $node->getNode('arguments');
if (!$argsNode->hasNode(0)) {
return null;
}
$exprNode = $argsNode->getNode(0);
if (!$exprNode instanceof Twig_Node_Expression_Constant) {
return null;
}
// The paths passed to the resource_url() function must always be Puli
// paths, so disable path checking
$this->processConstantNode($exprNode, false);
// Optimize away function call
$exprNode->setAttribute('value', $this->urlGenerator->generateUrl($exprNode->getAttribute('value')));
return $exprNode;
}
/**
* Prints the URL of a Puli path.
*
* @param string $path A Puli path.
* @param IO $io The I/O.
*/
private function printUrl($path, IO $io)
{
$path = Path::makeAbsolute($path, $this->currentPath);
$io->writeLine($this->urlGenerator->generateUrl($path));
}