<?php

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/*

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* This file is part of Twig.

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*

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* (c) Fabien Potencier

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* (c) Armin Ronacher

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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 WPML\Core\Twig\TokenParser;

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use WPML\Core\Twig\Error\SyntaxError;

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use WPML\Core\Twig\Node\IfNode;

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use WPML\Core\Twig\Node\Node;

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use WPML\Core\Twig\Token;

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/**

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* Tests a condition.

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*

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* {% if users %}

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* <ul>

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* {% for user in users %}

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* <li>{{ user.username|e }}</li>

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* {% endfor %}

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* </ul>

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* {% endif %}

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*

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* @final

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*/

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class IfTokenParser extends \WPML\Core\Twig\TokenParser\AbstractTokenParser

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{

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public function parse(\WPML\Core\Twig\Token $token)

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{

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$lineno = $token->getLine();

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$expr = $this->parser->getExpressionParser()->parseExpression();

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$stream = $this->parser->getStream();

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$stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE);

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$body = $this->parser->subparse([$this, 'decideIfFork']);

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$tests = [$expr, $body];

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$else = null;

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$end = \false;

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while (!$end) {

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switch ($stream->next()->getValue()) {

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case 'else':

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$stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE);

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$else = $this->parser->subparse([$this, 'decideIfEnd']);

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break;

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case 'elseif':

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$expr = $this->parser->getExpressionParser()->parseExpression();

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$stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE);

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$body = $this->parser->subparse([$this, 'decideIfFork']);

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$tests[] = $expr;

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$tests[] = $body;

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break;

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case 'endif':

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$end = \true;

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break;

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default:

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throw new \WPML\Core\Twig\Error\SyntaxError(\sprintf('Unexpected end of template. Twig was looking for the following tags "else", "elseif", or "endif" to close the "if" block started at line %d).', $lineno), $stream->getCurrent()->getLine(), $stream->getSourceContext());

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}

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}

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$stream->expect(\WPML\Core\Twig\Token::BLOCK_END_TYPE);

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return new \WPML\Core\Twig\Node\IfNode(new \WPML\Core\Twig\Node\Node($tests), $else, $lineno, $this->getTag());

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}

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public function decideIfFork(\WPML\Core\Twig\Token $token)

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{

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return $token->test(['elseif', 'else', 'endif']);

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}

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public function decideIfEnd(\WPML\Core\Twig\Token $token)

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{

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return $token->test(['endif']);

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}

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public function getTag()

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{

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return 'if';

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}

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}

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\class_alias('WPML\\Core\\Twig\\TokenParser\\IfTokenParser', 'WPML\\Core\\Twig_TokenParser_If');

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