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<?php |
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/** |
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* This file is part of the Cubiche package. |
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* |
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* Copyright (c) Cubiche |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cubiche\Core\Visitor; |
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/** |
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* Abstract Linked Visitor class. |
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* |
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* @author Karel Osorio Ramírez <[email protected]> |
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*/ |
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abstract class LinkedVisitor extends DynamicDispatchVisitor |
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{ |
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/** |
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* @var LinkedVisitor |
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*/ |
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private $next = null; |
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/** |
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* @var LinkedVisitor |
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*/ |
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private $parent = null; |
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/** |
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* @param LinkedVisitor $next |
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* @param ResolverVisitorMethodInterface $resolver |
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*/ |
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public function __construct( |
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LinkedVisitor $next = null, |
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ResolverVisitorMethodInterface $resolver = null |
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) { |
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$this->next = $next === null ? new NullVisitor() : $next; |
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$this->next->parent = $this; |
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$this->parent = null; |
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$this->resolver = $resolver === null ? new ResolverVisitorMethod() : $resolver; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function canHandlerVisitee(VisiteeInterface $visitee) |
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{ |
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return parent::canHandlerVisitee($visitee) || $this->next->canHandlerVisitee($visitee); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function visit(VisiteeInterface $visitee) |
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{ |
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return $this->doVisit($visitee, \func_get_args()); |
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} |
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/** |
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* @param VisiteeInterface $visitee |
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* @param array $args |
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* @param bool $fromParent |
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*/ |
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protected function doVisit(VisiteeInterface $visitee, array $args, $fromParent = false) |
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{ |
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if (!$fromParent && $this->parent !== null) { |
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return \call_user_func_array(array($this->parent, 'visit'), $args); |
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} |
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if (parent::canHandlerVisitee($visitee)) { |
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return $this->visitWith($visitee, $args); |
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} |
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return $this->next->doVisit($visitee, $args, true); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function notSupportedVisiteeException(VisiteeInterface $visitee) |
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{ |
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if ($this->parent !== null) { |
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return $this->parent->notSupportedVisiteeException($visitee); |
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} |
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return parent::notSupportedVisiteeException($visitee); |
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} |
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} |
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cubiche /
visitor
This check looks for a call to a parent method whose name is different than the method from which it is called.
Consider the following code:
The
getFirstName()method in theSoncalls the wrong method in the parent class.