<?php

namespace Twig\TokenParser;

use Twig\Error\SyntaxError;
use Twig\Node\IfNode;
use Twig\Node\Node;
use Twig\Token;

/**
 * Tests a condition.
 *
 *   {% if users %}
 *    <ul>
 *      {% for user in users %}
 *        <li>{{ user.username|e }}</li>
 *      {% endfor %}
 *    </ul>
 *   {% endif %}
 */
final class IfTokenParser extends AbstractTokenParser
{
    public function parse(Token $token)
    {
        $lineno = $token->getLine();
        $expr = $this->parser->getExpressionParser()->parseExpression();
        $stream = $this->parser->getStream();
        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
        $body = $this->parser->subparse([$this, 'decideIfFork']);
        $tests = [$expr, $body];
        $else = null;

        $end = false;
        while (!$end) {
            switch ($stream->next()->getValue()) {
                case 'else':
                    $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
                    $else = $this->parser->subparse([$this, 'decideIfEnd']);
                    break;

                case 'elseif':
                    $expr = $this->parser->getExpressionParser()->parseExpression();
                    $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
                    $body = $this->parser->subparse([$this, 'decideIfFork']);
                    $tests[] = $expr;
                    $tests[] = $body;
                    break;

                case 'endif':
                    $end = true;
                    break;

                default:
                    throw new 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());
            }
        }

        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);

        return new IfNode(new Node($tests), $else, $lineno, $this->getTag());
    }

    public function decideIfFork(Token $token)
    {
        return $token->test(['elseif', 'else', 'endif']);
    }

    public function decideIfEnd(Token $token)
    {
        return $token->test(['endif']);
    }

    public function getTag()
    {
        return 'if';
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----MjMwODY2NDIwMTMwNDA5MiA1MzY1MTkwMjAyNzg0NTMzIDE0NzM2NDA5NjEyNDE5MDM=