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<?php |
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namespace Chris\Bundle\FrontRenderBundle\Subscriber; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent; |
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use Twig_Environment; |
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use Twig_Lexer; |
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class RenderSubscriber implements EventSubscriberInterface |
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{ |
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/** |
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* @var Twig_Environment |
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*/ |
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protected $twig; |
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/** |
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* @var Twig_Lexer |
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*/ |
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protected $defaultLexer; |
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/** |
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* RenderSubscriber constructor. |
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* |
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* @param Twig_Environment $twig |
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*/ |
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public function __construct(Twig_Environment $twig) |
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{ |
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$this->twig = $twig; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ |
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['kernel.request' => 'updateTagTwig'], |
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['kernel.exception' => 'onKernelException'], |
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]; |
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} |
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/** |
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* Set the custom twig lexer to display custom tags on the front |
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* |
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* @param GetResponseEvent $event |
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*/ |
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public function updateTagTwig(GetResponseEvent $event) |
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{ |
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$this->defaultLexer = $this->twig->getLexer(); |
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$lexer = $this->getFrontLexer(); |
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$this->twig->setLexer($lexer); |
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} |
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/** |
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* Set the default twig lexer to display default tags on exceptions |
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* |
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* @param GetResponseForExceptionEvent $event |
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*/ |
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public function onKernelException(GetResponseForExceptionEvent $event) |
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{ |
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$this->twig->setLexer($this->defaultLexer); |
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$event->stopPropagation(); |
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} |
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/** |
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* Retrieve the custom twig lexer for the front |
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* |
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* @return Twig_Lexer |
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*/ |
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public function getFrontLexer() |
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{ |
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$lexer = new Twig_Lexer($this->twig, [ |
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'tag_comment' => ['{*', '*}'], |
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'tag_block' => ['{@', '@}'], |
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'tag_variable' => ['{$', '$}'], |
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]); |
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return $lexer; |
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} |
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} |
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christophe-chausseray /
front-render-bundle
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.