| <?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\TokenParser; |
| |
| use Twig\Error\SyntaxError; |
| use Twig\Node\AutoEscapeNode; |
| use Twig\Node\Expression\ConstantExpression; |
| use Twig\Node\Node; |
| use Twig\Token; |
| |
| /** |
| * Marks a section of a template to be escaped or not. |
| * |
| * @internal |
| */ |
| final class AutoEscapeTokenParser extends AbstractTokenParser |
| { |
| public function parse(Token $token): Node |
| { |
| $lineno = $token->getLine(); |
| $stream = $this->parser->getStream(); |
| |
| if ($stream->test(/* Token::BLOCK_END_TYPE */ 3)) { |
| $value = 'html'; |
| } else { |
| $expr = $this->parser->getExpressionParser()->parseExpression(); |
| if (!$expr instanceof ConstantExpression) { |
| throw new SyntaxError('An escaping strategy must be a string or false.', $stream->getCurrent()->getLine(), $stream->getSourceContext()); |
| } |
| $value = $expr->getAttribute('value'); |
| } |
| |
| $stream->expect(/* Token::BLOCK_END_TYPE */ 3); |
| $body = $this->parser->subparse([$this, 'decideBlockEnd'], true); |
| $stream->expect(/* Token::BLOCK_END_TYPE */ 3); |
| |
| return new AutoEscapeNode($value, $body, $lineno, $this->getTag()); |
| } |
| |
| public function decideBlockEnd(Token $token): bool |
| { |
| return $token->test('endautoescape'); |
| } |
| |
| public function getTag(): string |
| { |
| return 'autoescape'; |
| } |
| } |