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TokenParser
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EmbedTokenParser.php
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<?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\Node\EmbedNode; use Twig\Node\Expression\ConstantExpression; use Twig\Node\Expression\NameExpression; use Twig\Node\Node; use Twig\Token; /** * Embeds a template. * * @internal */ final class EmbedTokenParser extends IncludeTokenParser { public function parse(Token $token): Node { $stream = $this->parser->getStream(); $parent = $this->parser->getExpressionParser()->parseExpression(); list($variables, $only, $ignoreMissing) = $this->parseArguments(); $parentToken = $fakeParentToken = new Token(/* Token::STRING_TYPE */ 7, '__parent__', $token->getLine()); if ($parent instanceof ConstantExpression) { $parentToken = new Token(/* Token::STRING_TYPE */ 7, $parent->getAttribute('value'), $token->getLine()); } elseif ($parent instanceof NameExpression) { $parentToken = new Token(/* Token::NAME_TYPE */ 5, $parent->getAttribute('name'), $token->getLine()); } // inject a fake parent to make the parent() function work $stream->injectTokens([ new Token(/* Token::BLOCK_START_TYPE */ 1, '', $token->getLine()), new Token(/* Token::NAME_TYPE */ 5, 'extends', $token->getLine()), $parentToken, new Token(/* Token::BLOCK_END_TYPE */ 3, '', $token->getLine()), ]); $module = $this->parser->parse($stream, [$this, 'decideBlockEnd'], true); // override the parent with the correct one if ($fakeParentToken === $parentToken) { $module->setNode('parent', $parent); } $this->parser->embedTemplate($module); $stream->expect(/* Token::BLOCK_END_TYPE */ 3); return new EmbedNode($module->getTemplateName(), $module->getAttribute('index'), $variables, $only, $ignoreMissing, $token->getLine(), $this->getTag()); } public function decideBlockEnd(Token $token): bool { return $token->test('endembed'); } public function getTag(): string { return 'embed'; } }