abadd5bc38
Modified some paths to be more generic and not require rewrite. Some instances of phase names have been changed, others are still in process.
82 lines
2.6 KiB
PHP
82 lines
2.6 KiB
PHP
<?php
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/*
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* This file is part of Twig.
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*
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* (c) 2009 Fabien Potencier
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* (c) 2009 Armin Ronacher
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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/**
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* Marks a section of a template as being reusable.
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*
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* <pre>
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* {% block head %}
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* <link rel="stylesheet" href="style.css" />
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* <title>{% block title %}{% endblock %} - My Webpage</title>
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* {% endblock %}
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* </pre>
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*/
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class Twig_TokenParser_Block extends Twig_TokenParser
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{
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/**
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* Parses a token and returns a node.
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*
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* @param Twig_Token $token A Twig_Token instance
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*
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* @return Twig_NodeInterface A Twig_NodeInterface instance
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*/
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public function parse(Twig_Token $token)
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{
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$lineno = $token->getLine();
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$stream = $this->parser->getStream();
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$name = $stream->expect(Twig_Token::NAME_TYPE)->getValue();
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if ($this->parser->hasBlock($name)) {
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throw new Twig_Error_Syntax(sprintf("The block '$name' has already been defined line %d", $this->parser->getBlock($name)->getLine()), $stream->getCurrent()->getLine(), $stream->getFilename());
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}
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$this->parser->setBlock($name, $block = new Twig_Node_Block($name, new Twig_Node(array()), $lineno));
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$this->parser->pushLocalScope();
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$this->parser->pushBlockStack($name);
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if ($stream->nextIf(Twig_Token::BLOCK_END_TYPE)) {
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$body = $this->parser->subparse(array($this, 'decideBlockEnd'), true);
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if ($token = $stream->nextIf(Twig_Token::NAME_TYPE)) {
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$value = $token->getValue();
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if ($value != $name) {
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throw new Twig_Error_Syntax(sprintf('Expected endblock for block "%s" (but "%s" given)', $name, $value), $stream->getCurrent()->getLine(), $stream->getFilename());
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}
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}
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} else {
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$body = new Twig_Node(array(
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new Twig_Node_Print($this->parser->getExpressionParser()->parseExpression(), $lineno),
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));
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}
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$stream->expect(Twig_Token::BLOCK_END_TYPE);
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$block->setNode('body', $body);
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$this->parser->popBlockStack();
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$this->parser->popLocalScope();
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return new Twig_Node_BlockReference($name, $lineno, $this->getTag());
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}
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public function decideBlockEnd(Twig_Token $token)
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{
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return $token->test('endblock');
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}
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/**
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* Gets the tag name associated with this token parser.
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*
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* @return string The tag name
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*/
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public function getTag()
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{
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return 'block';
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}
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}
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