<?php
namespace Aptoma\Twig\TokenParser;
use Aptoma\Twig\Node\MarkdownNode;
use Aptoma\Twig\Extension\MarkdownEngineInterface;
/**
* @author Gunnar Lium <gunnar@aptoma.com>
* @author Joris Berthelot <joris@berthelot.tel>
*/
class MarkdownTokenParser extends \Twig_TokenParser
{
/**
* @var The Markdown engine
*/
protected $markdownEngine;
/**
* @param MarkdownEngineInterface $markdownEngine The Markdown parser engine
*/
public function __construct(MarkdownEngineInterface $markdownEngine)
{
$this->markdownEngine = $markdownEngine;
}
/**
* Markdown parser engine getter
*
* @return MarkdownEngineInterface
*/
public function getEngine()
{
return $this->markdownEngine;
}
/**
* Parses a token and returns a node.
*
* @param \Twig_Token $token A \Twig_Token instance
*
* @throws \Twig_Error_Syntax
* @return \Twig_NodeInterface A \Twig_NodeInterface instance
*/
public function parse(\Twig_Token $token)
{
$lineno = $token->getLine();
$this->parser->getStream()->expect(\Twig_Token::BLOCK_END_TYPE);
$body = $this->parser->subparse(array($this, 'decideMarkdownEnd'), true);
$this->parser->getStream()->expect(\Twig_Token::BLOCK_END_TYPE);
return new MarkdownNode($body, $lineno, $this->getTag());
}
/**
* Decide if current token marks end of Markdown block.
*
* @param \Twig_Token $token
* @return bool
*/
public function decideMarkdownEnd(\Twig_Token $token)
{
return $token->test('endmarkdown');
}
/**
* Gets the tag name associated with this token parser.
*
* @return string The tag name
*/
public function getTag()
{
return 'markdown';
}
}