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daux.io/libs/Format/Base/CommonMark/LinkRenderer.php
2015-07-20 20:51:49 +02:00

75 Zeilen
2.0 KiB
PHP

<?php namespace Todaymade\Daux\Format\Base\CommonMark;
use League\CommonMark\HtmlElement;
use League\CommonMark\HtmlRendererInterface;
use League\CommonMark\Inline\Element\AbstractInline;
use League\CommonMark\Inline\Element\Link;
use Todaymade\Daux\Config;
use Todaymade\Daux\DauxHelper;
use Todaymade\Daux\Exception;
use Todaymade\Daux\Tree\Entry;
class LinkRenderer extends \League\CommonMark\Inline\Renderer\LinkRenderer
{
/**
* @var Config
*/
protected $daux;
public function __construct($daux)
{
$this->daux = $daux;
}
/**
* @param string $url
* @return Entry
* @throws Exception
*/
protected function resolveInternalFile($url)
{
$file = DauxHelper::getFile($this->daux['tree'], $url);
if ($file) {
return $file;
}
$file = DauxHelper::getFile($this->daux['tree'], $url . '.html');
if ($file) {
return $file;
}
throw new Exception("Could not locate file '$url'");
}
/**
* @param Link $inline
* @param HtmlRendererInterface $htmlRenderer
*
* @return HtmlElement
*/
public function render(AbstractInline $inline, HtmlRendererInterface $htmlRenderer)
{
// This can't be in the method type as
// the method is an abstract and should
// have the same interface
if (!$inline instanceof Link) {
throw new \RuntimeException(
"Wrong type passed to " . __CLASS__ . "::" . __METHOD__ .
" the expected type was 'League\\CommonMark\\Inline\\Element\\Link' but '" .
get_class($inline) . "' was provided"
);
}
$element = parent::render($inline, $htmlRenderer);
$url = $inline->getUrl();
if (!empty($url) && $url[0] == '!') {
$file = $this->resolveInternalFile(ltrim($url, "!"));
$element->setAttribute('href', $this->daux['base_url'] . $file->getUrl());
}
return $element;
}
}