<?php
namespace Aptoma\Twig\Extension;
use Aptoma\Twig\TokenParser\MarkdownTokenParser;
/**
* MarkdownExtension provides support for Markdown.
*
* @author Gunnar Lium <gunnar@aptoma.com>
* @author Joris Berthelot <joris@berthelot.tel>
*/
class MarkdownExtension extends \Twig_Extension
{
/**
* @var MarkdownEngineInterface $markdownEngine
*/
private $markdownEngine;
/**
* @param MarkdownEngineInterface $markdownEngine The Markdown parser engine
*/
public function __construct(MarkdownEngineInterface $markdownEngine)
{
$this->markdownEngine = $markdownEngine;
}
/**
* {@inheritdoc}
*/
public function getFilters()
{
return array(
new \Twig_SimpleFilter(
'markdown',
array($this, 'parseMarkdown'),
array('is_safe' => array('html'))
)
);
}
/**
* Transform Markdown content to HTML
*
* @param $content The Markdown content to be transformed
* @return string The result of the Markdown engine transformation
*/
public function parseMarkdown($content)
{
return $this->markdownEngine->transform($content);
}
/**
* {@inheritdoc}
*/
public function getTokenParsers()
{
return array(new MarkdownTokenParser($this->markdownEngine));
}
/**
* {@inheritdoc}
*/
public function getName()
{
return 'markdown';
}
}