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<?php
/* * This file is part of Twig. * * (c) Fabien Potencier * (c) Armin Ronacher * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */
/** * Marks a section of a template as being reusable. * * <pre> * {% block head %} * <link rel="stylesheet" href="style.css" /> * <title>{% block title %}{% endblock %} - My Webpage</title> * {% endblock %} * </pre> * * @final */ class Twig_TokenParser_Block extends Twig_TokenParser { public function parse(Twig_Token $token) { $lineno = $token->getLine(); $stream = $this->parser->getStream(); $name = $stream->expect(Twig_Token::NAME_TYPE)->getValue(); if ($this->parser->hasBlock($name)) { throw new Twig_Error_Syntax(sprintf("The block '%s' has already been defined line %d.", $name, $this->parser->getBlock($name)->getTemplateLine()), $stream->getCurrent()->getLine(), $stream->getSourceContext()); } $this->parser->setBlock($name, $block = new Twig_Node_Block($name, new Twig_Node(array()), $lineno)); $this->parser->pushLocalScope(); $this->parser->pushBlockStack($name);
if ($stream->nextIf(Twig_Token::BLOCK_END_TYPE)) { $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true); if ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) { $value = $token->getValue();
if ($value != $name) { throw new Twig_Error_Syntax(sprintf('Expected endblock for block "%s" (but "%s" given).', $name, $value), $stream->getCurrent()->getLine(), $stream->getSourceContext()); } } } else { $body = new Twig_Node(array( new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno), )); } $stream->expect(Twig_Token::BLOCK_END_TYPE);
$block->setNode('body', $body); $this->parser->popBlockStack(); $this->parser->popLocalScope();
return new Twig_Node_BlockReference($name, $lineno, $this->getTag()); }
public function decideBlockEnd(Twig_Token $token) { return $token->test('endblock'); }
public function getTag() { return 'block'; } }
class_alias('Twig_TokenParser_Block', 'Twig\TokenParser\BlockTokenParser', false);
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