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Diffstat (limited to 'inc/lib/Twig/TokenParser/Use.php')
| -rw-r--r-- | inc/lib/Twig/TokenParser/Use.php | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/inc/lib/Twig/TokenParser/Use.php b/inc/lib/Twig/TokenParser/Use.php new file mode 100644 index 00000000..16c47e3e --- /dev/null +++ b/inc/lib/Twig/TokenParser/Use.php @@ -0,0 +1,85 @@ +<?php + +/* + * This file is part of Twig. + * + * (c) 2011 Fabien Potencier + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +/** + * Imports blocks defined in another template into the current template. + * + * <pre> + * {% extends "base.html" %} + * + * {% use "blocks.html" %} + * + * {% block title %}{% endblock %} + * {% block content %}{% endblock %} + * </pre> + * + * @see http://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 = $this->parser->getExpressionParser()->parseExpression(); + + if (!$template instanceof Twig_Node_Expression_Constant) { + throw new Twig_Error_Syntax('The template references in a "use" statement must be a string.', $token->getLine()); + } + + $stream = $this->parser->getStream(); + + $targets = array(); + if ($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. + * + * @param string The tag name + */ + public function getTag() + { + return 'use'; + } +} |
