* {% block head %} * * {% block title %}{% endblock %} - My Webpage * {% endblock %} * */ final class Twig_TokenParser_Block extends Twig_TokenParser { public function parse(Twig_Token $token) { $lineno = $token->getLine(); $stream = $this->parser->getStream(); $name = $stream->expect(/* Twig_Token::NAME_TYPE */ 5)->getValue(); if ($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 */ 3)) { $body = $this->parser->subparse(array($this, 'decideBlockEnd'), true); if ($token = $stream->nextIf(/* Twig_Token::NAME_TYPE */ 5)) { $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 */ 3); $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);