47 lines
1013 B
PHP
47 lines
1013 B
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;
|
||
|
|
||
|
/**
|
||
|
* Interface for node visitor classes.
|
||
|
*
|
||
|
* @author Fabien Potencier <fabien@symfony.com>
|
||
|
*/
|
||
|
interface NodeVisitorInterface
|
||
|
{
|
||
|
/**
|
||
|
* Called before child nodes are visited.
|
||
|
*
|
||
|
* @return Node The modified node
|
||
|
*/
|
||
|
public function enterNode(Node $node, Environment $env): Node;
|
||
|
|
||
|
/**
|
||
|
* Called after child nodes are visited.
|
||
|
*
|
||
|
* @return Node|null The modified node or null if the node must be removed
|
||
|
*/
|
||
|
public function leaveNode(Node $node, Environment $env): ?Node;
|
||
|
|
||
|
/**
|
||
|
* Returns the priority for this visitor.
|
||
|
*
|
||
|
* Priority should be between -10 and 10 (0 is the default).
|
||
|
*
|
||
|
* @return int The priority level
|
||
|
*/
|
||
|
public function getPriority();
|
||
|
}
|