public function Twig_Environment::getTokenParsers

Gets the registered Token Parsers.

Return value

Twig_TokenParserBrokerInterface A broker containing token parsers

File

drupal/core/vendor/twig/twig/lib/Twig/Environment.php, line 695

Class

Twig_Environment

Stores the Twig configuration.

Code

public function getTokenParsers() {
  if (null === $this->parsers) {
    $this->parsers = new Twig_TokenParserBroker();
    if (isset($this->staging['token_parsers'])) {
      foreach ($this->staging['token_parsers'] as $parser) {
        $this->parsers
          ->addTokenParser($parser);
      }
    }
    foreach ($this
      ->getExtensions() as $extension) {
      $parsers = $extension
        ->getTokenParsers();
      foreach ($parsers as $parser) {
        if ($parser instanceof Twig_TokenParserInterface) {
          $this->parsers
            ->addTokenParser($parser);
        }
        elseif ($parser instanceof Twig_TokenParserBrokerInterface) {
          $this->parsers
            ->addTokenParserBroker($parser);
        }
        else {
          throw new Twig_Error_Runtime('getTokenParsers() must return an array of Twig_TokenParserInterface or Twig_TokenParserBrokerInterface instances');
        }
      }
    }
  }
  return $this->parsers;
}