52 lines
1.2 KiB
PHP
52 lines
1.2 KiB
PHP
<?php
|
|
|
|
/*
|
|
* This file is part of Twig.
|
|
*
|
|
* (c) Fabien Potencier
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*/
|
|
|
|
namespace Twig\NodeVisitor;
|
|
|
|
use Twig\Environment;
|
|
use Twig\Node\Node;
|
|
|
|
/**
|
|
* Used to make node visitors compatible with Twig 1.x and 2.x.
|
|
*
|
|
* To be removed in Twig 3.1.
|
|
*
|
|
* @author Fabien Potencier <fabien@symfony.com>
|
|
*/
|
|
abstract class AbstractNodeVisitor implements NodeVisitorInterface
|
|
{
|
|
final public function enterNode(Node $node, Environment $env)
|
|
{
|
|
return $this->doEnterNode($node, $env);
|
|
}
|
|
|
|
final public function leaveNode(Node $node, Environment $env)
|
|
{
|
|
return $this->doLeaveNode($node, $env);
|
|
}
|
|
|
|
/**
|
|
* Called before child nodes are visited.
|
|
*
|
|
* @return Node The modified node
|
|
*/
|
|
abstract protected function doEnterNode(Node $node, Environment $env);
|
|
|
|
/**
|
|
* Called after child nodes are visited.
|
|
*
|
|
* @return Node|null The modified node or null if the node must be removed
|
|
*/
|
|
abstract protected function doLeaveNode(Node $node, Environment $env);
|
|
}
|
|
|
|
class_alias('Twig\NodeVisitor\AbstractNodeVisitor', 'Twig_BaseNodeVisitor');
|