* {% extends "base.html" %} * * {% use "blocks.html" %} * * {% block title %}{% endblock %} * {% block content %}{% endblock %} * * * @see https://www.twig-project.org/doc/templates.html#horizontal-reuse for details. */ class Twig_TokenParser_Use extends Twig_TokenParser { /** * Parses a token and returns a node. * * @param Twig_Token $token A Twig_Token instance * * @return Twig_NodeInterface A Twig_NodeInterface instance */ public function parse(Twig_Token $token) { $template = $this->parser->getExpressionParser()->parseExpression(); $stream = $this->parser->getStream(); if (!$template instanceof Twig_Node_Expression_Constant) { throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $stream->getCurrent()->getLine(), $stream->getFilename()); } $targets = array(); if ($stream->test('with')) { $stream->next(); do { $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); $alias = $name; if ($stream->test('as')) { $stream->next(); $alias = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); } $targets[$name] = new Twig_Node_Expression_Constant($alias, -1); if (!$stream->test(Twig_Token::PUNCTUATION_TYPE, ',')) { break; } $stream->next(); } while (true); } $stream->expect(Twig_Token::BLOCK_END_TYPE); $this->parser->addTrait(new Twig_Node(array('template' => $template, 'targets' => new Twig_Node($targets)))); return null; } /** * Gets the tag name associated with this token parser. * * @return string The tag name */ public function getTag() { return 'use'; } }