/**
* Returns the built-in set of ViewHelper classes with
* one addition, `f:myLink` which is redirected to anoter
* class.
*
* @param string $namespaceIdentifier
* @param string $methodIdentifier
* @return NULL|string
*/
public function resolveViewHelperClassName($namespaceIdentifier, $methodIdentifier)
{
if ($namespaceIdentifier === 'f' && $methodIdentifier === 'myLink') {
return 'NamelessCoder\\FluidExample\\ViewHelpers\\CustomViewHelper';
}
return parent::resolveViewHelperClassName($namespaceIdentifier, $methodIdentifier);
}
/**
* Constructor.
*
* @param ViewHelperResolver an instance or subclass of ViewHelperResolver
* @param string $namespace the namespace identifier of the ViewHelper.
* @param string $identifier the name of the ViewHelper to render, inside the namespace provided.
* @param NodeInterface[] $arguments Arguments of view helper - each value is a RootNode.
* @param ParsingState $state
*/
public function __construct(ViewHelperResolver $resolver, $namespace, $identifier, array $arguments, ParsingState $state)
{
$this->viewHelperResolver = $resolver;
$this->viewHelperClassName = $resolver->resolveViewHelperClassName($namespace, $identifier);
$this->uninitializedViewHelper = $resolver->createViewHelperInstance($namespace, $identifier);
$this->arguments = $arguments;
$this->argumentDefinitions = $resolver->getArgumentDefinitionsForViewHelper($this->uninitializedViewHelper);
$this->rewriteBooleanNodesInArgumentsObjectTree($this->argumentDefinitions, $this->arguments);
}
/**
* Handles a closing view helper tag
*
* @param ParsingState $state The current parsing state
* @param string $namespaceIdentifier Namespace identifier for the closing tag.
* @param string $methodIdentifier Method identifier.
* @return boolean whether the viewHelper was found and added to the stack or not
* @throws Exception
*/
protected function closingViewHelperTagHandler(ParsingState $state, $namespaceIdentifier, $methodIdentifier)
{
if ($this->viewHelperResolver->isNamespaceValid($namespaceIdentifier, $methodIdentifier) === FALSE) {
return FALSE;
}
$lastStackElement = $state->popNodeFromStack();
if (!$lastStackElement instanceof ViewHelperNode) {
throw new Exception('You closed a templating tag which you never opened!', 1224485838);
}
$actualViewHelperClassName = $this->viewHelperResolver->resolveViewHelperClassName($namespaceIdentifier, $methodIdentifier);
$expectedViewHelperClassName = $lastStackElement->getViewHelperClassName();
if ($actualViewHelperClassName !== $expectedViewHelperClassName) {
throw new Exception('Templating tags not properly nested. Expected: ' . $expectedViewHelperClassName . '; Actual: ' . $actualViewHelperClassName, 1224485398);
}
$this->callInterceptor($lastStackElement, InterceptorInterface::INTERCEPT_CLOSING_VIEWHELPER, $state);
$state->getNodeFromStack()->addChildNode($lastStackElement);
return TRUE;
}
