/**
* Gets a TokenParser suitable for a tag.
*
* @param string $tag A tag name
*
* @return null|Twig_TokenParserInterface A Twig_TokenParserInterface or null if no suitable TokenParser was found
*/
public function getTokenParser($tag)
{
if ($this->environment->getFunction($tag)) {
return $this->viewHelperParser;
}
return null;
}
/**
* @param \Zend\ServiceManager\ServiceLocatorInterface $serviceLocator
* @return \ZfcTwig\Twig\Environment
* @throws InvalidArgumentException
*/
public function createService(ServiceLocatorInterface $serviceLocator)
{
$config = $serviceLocator->get('Configuration');
$config = $config['zfctwig'];
$loader = $serviceLocator->get('TwigViewResolver');
$twig = new Environment($loader, $config['config']);
$twig->addExtension(new Extension($twig, $serviceLocator));
$manager = $serviceLocator->get('TwigViewHelperManager');
$twig->setManager($manager);
foreach ($config['extensions'] as $ext) {
if (!is_string($ext)) {
throw new InvalidArgumentException('Extension name must be a string');
}
$twig->addExtension(new $ext());
}
return $twig;
}
