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TokenParser
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MacroTokenParser.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\Error\SyntaxError; use Twig\Node\BodyNode; use Twig\Node\MacroNode; use Twig\Node\Node; use Twig\Token; /** * Defines a macro. * * {% macro input(name, value, type, size) %} * <input type="{{ type|default('text') }}" name="{{ name }}" value="{{ value|e }}" size="{{ size|default(20) }}" /> * {% endmacro %} * * @internal */ final class MacroTokenParser extends AbstractTokenParser { public function parse(Token $token): Node { $lineno = $token->getLine(); $stream = $this->parser->getStream(); $name = $stream->expect(/* Token::NAME_TYPE */ 5)->getValue(); $arguments = $this->parser->getExpressionParser()->parseArguments(true, true); $stream->expect(/* Token::BLOCK_END_TYPE */ 3); $this->parser->pushLocalScope(); $body = $this->parser->subparse([$this, 'decideBlockEnd'], true); if ($token = $stream->nextIf(/* Token::NAME_TYPE */ 5)) { $value = $token->getValue(); if ($value != $name) { throw new SyntaxError(sprintf('Expected endmacro for macro "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext()); } } $this->parser->popLocalScope(); $stream->expect(/* Token::BLOCK_END_TYPE */ 3); $this->parser->setMacro($name, new MacroNode($name, new BodyNode([$body]), $arguments, $lineno, $this->getTag())); return new Node(); } public function decideBlockEnd(Token $token): bool { return $token->test('endmacro'); } public function getTag(): string { return 'macro'; } }