1<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Twig\TokenParser;
13
14use Twig\Error\SyntaxError;
15use Twig\Node\AutoEscapeNode;
16use Twig\Node\Expression\ConstantExpression;
17use Twig\Token;
18
19/**
20 * Marks a section of a template to be escaped or not.
21 */
22final class AutoEscapeTokenParser extends AbstractTokenParser
23{
24    public function parse(Token $token)
25    {
26        $lineno = $token->getLine();
27        $stream = $this->parser->getStream();
28
29        if ($stream->test(/* Token::BLOCK_END_TYPE */ 3)) {
30            $value = 'html';
31        } else {
32            $expr = $this->parser->getExpressionParser()->parseExpression();
33            if (!$expr instanceof ConstantExpression) {
34                throw new SyntaxError('An escaping strategy must be a string or false.', $stream->getCurrent()->getLine(), $stream->getSourceContext());
35            }
36            $value = $expr->getAttribute('value');
37        }
38
39        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
40        $body = $this->parser->subparse([$this, 'decideBlockEnd'], true);
41        $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
42
43        return new AutoEscapeNode($value, $body, $lineno, $this->getTag());
44    }
45
46    public function decideBlockEnd(Token $token)
47    {
48        return $token->test('endautoescape');
49    }
50
51    public function getTag()
52    {
53        return 'autoescape';
54    }
55}
56
57class_alias('Twig\TokenParser\AutoEscapeTokenParser', 'Twig_TokenParser_AutoEscape');
58