Edit File by line

<?php

[0] Fix | Delete

[1] Fix | Delete

[2] Fix | Delete

* This file is part of Twig.

[3] Fix | Delete

[4] Fix | Delete

* (c) Fabien Potencier

[5] Fix | Delete

[6] Fix | Delete

* For the full copyright and license information, please view the LICENSE

[7] Fix | Delete

* file that was distributed with this source code.

[8] Fix | Delete

[9] Fix | Delete

namespace WPML\Core\Twig;

[10] Fix | Delete

[11] Fix | Delete

use WPML\Core\Twig\NodeVisitor\NodeVisitorInterface;

[12] Fix | Delete

/**

[13] Fix | Delete

* A node traverser.

[14] Fix | Delete

[15] Fix | Delete

* It visits all nodes and their children and calls the given visitor for each.

[16] Fix | Delete

[17] Fix | Delete

* @final

[18] Fix | Delete

[19] Fix | Delete

* @author Fabien Potencier <fabien@symfony.com>

[20] Fix | Delete

[21] Fix | Delete

class NodeTraverser

[22] Fix | Delete

{

[23] Fix | Delete

protected $env;

[24] Fix | Delete

protected $visitors = [];

[25] Fix | Delete

/**

[26] Fix | Delete

* @param NodeVisitorInterface[] $visitors

[27] Fix | Delete

[28] Fix | Delete

public function __construct(\WPML\Core\Twig\Environment $env, array $visitors = [])

[29] Fix | Delete

{

[30] Fix | Delete

$this->env = $env;

[31] Fix | Delete

foreach ($visitors as $visitor) {

[32] Fix | Delete

$this->addVisitor($visitor);

[33] Fix | Delete

}

[34] Fix | Delete

}

[35] Fix | Delete

public function addVisitor(\WPML\Core\Twig\NodeVisitor\NodeVisitorInterface $visitor)

[36] Fix | Delete

{

[37] Fix | Delete

$this->visitors[$visitor->getPriority()][] = $visitor;

[38] Fix | Delete

}

[39] Fix | Delete

/**

[40] Fix | Delete

* Traverses a node and calls the registered visitors.

[41] Fix | Delete

[42] Fix | Delete

* @return \Twig_NodeInterface

[43] Fix | Delete

[44] Fix | Delete

public function traverse(\WPML\Core\Twig_NodeInterface $node)

[45] Fix | Delete

{

[46] Fix | Delete

\ksort($this->visitors);

[47] Fix | Delete

foreach ($this->visitors as $visitors) {

[48] Fix | Delete

foreach ($visitors as $visitor) {

[49] Fix | Delete

$node = $this->traverseForVisitor($visitor, $node);

[50] Fix | Delete

}

[51] Fix | Delete

}

[52] Fix | Delete

return $node;

[53] Fix | Delete

}

[54] Fix | Delete

protected function traverseForVisitor(\WPML\Core\Twig\NodeVisitor\NodeVisitorInterface $visitor, \WPML\Core\Twig_NodeInterface $node = null)

[55] Fix | Delete

{

[56] Fix | Delete

if (null === $node) {

[57] Fix | Delete

return;

[58] Fix | Delete

}

[59] Fix | Delete

$node = $visitor->enterNode($node, $this->env);

[60] Fix | Delete

foreach ($node as $k => $n) {

[61] Fix | Delete

if (null === $n) {

[62] Fix | Delete

continue;

[63] Fix | Delete

}

[64] Fix | Delete

if (\false !== ($m = $this->traverseForVisitor($visitor, $n)) && null !== $m) {

[65] Fix | Delete

if ($m !== $n) {

[66] Fix | Delete

$node->setNode($k, $m);

[67] Fix | Delete

}

[68] Fix | Delete

} else {

[69] Fix | Delete

$node->removeNode($k);

[70] Fix | Delete

}

[71] Fix | Delete

}

[72] Fix | Delete

return $visitor->leaveNode($node, $this->env);

[73] Fix | Delete

}

[74] Fix | Delete

}

[75] Fix | Delete

\class_alias('WPML\\Core\\Twig\\NodeTraverser', 'WPML\\Core\\Twig_NodeTraverser');

[76] Fix | Delete

[77] Fix | Delete