public static function getRelativePath($from, $to)
{
// some compatibility fixes for Windows paths
$from = is_dir($from) ? rtrim($from, '\\/') . '/' : $from;
$to = is_dir($to) ? rtrim($to, '\\/') . '/' : $to;
$from = str_replace('\\', '/', $from);
$to = str_replace('\\', '/', $to);
$from = explode('/', $from);
$to = explode('/', $to);
$relPath = $to;
foreach ($from as $depth => $dir) {
// find first non-matching dir
if ($dir === $to[$depth]) {
// ignore this directory
array_shift($relPath);
} else {
// get number of remaining dirs to $from
$remaining = count($from) - $depth;
if ($remaining > 1) {
// add traversals up to first matching dir
$padLength = (count($relPath) + $remaining - 1) * -1;
$relPath = array_pad($relPath, $padLength, '..');
break;
} else {
//$relPath[0] = './' . $relPath[0];
}
}
}
return implode('/', $relPath);
} /**
* @param AbstractInline|Link $inline
* @param ElementRendererInterface $htmlRenderer
* @return HtmlElement
* @throws Exception
*/
public function render(AbstractInline $inline, ElementRendererInterface $htmlRenderer)
{
// This can't be in the method type as
// the method is an abstract and should
// have the same interface
if (!$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 = $inline->getUrl();
// Absolute urls, empty urls and anchors
// should not go through the url resolver
if (empty($url) || $url[0] == '#' || preg_match('|^(?:[a-z]+:)?//|', $url)) {
return $element;
}
$file = $this->resolveInternalFile($url);
$url = DauxHelper::getRelativePath($this->daux->getCurrentPage()->getUrl(), $file->getUrl());
$element->setAttribute('href', $url);
return $element;
}
