/**
* Filter links according to parameters.
*
* @param string $type Type of filter (eg. tags, permalink, etc.).
* @param mixed $request Filter content.
* @param bool $casesensitive Optional: Perform case sensitive filter if true.
* @param bool $privateonly Optional: Only returns private links if true.
*
* @return array filtered link list.
*/
public function filter($type, $request, $casesensitive = false, $privateonly = false)
{
switch ($type) {
case self::$FILTER_HASH:
return $this->filterSmallHash($request);
case self::$FILTER_TAG | self::$FILTER_TEXT:
if (!empty($request)) {
$filtered = $this->links;
if (isset($request[0])) {
$filtered = $this->filterTags($request[0], $casesensitive, $privateonly);
}
if (isset($request[1])) {
$lf = new LinkFilter($filtered);
$filtered = $lf->filterFulltext($request[1], $privateonly);
}
return $filtered;
}
return $this->noFilter($privateonly);
case self::$FILTER_TEXT:
return $this->filterFulltext($request, $privateonly);
case self::$FILTER_TAG:
return $this->filterTags($request, $casesensitive, $privateonly);
case self::$FILTER_DAY:
return $this->filterDay($request);
default:
return $this->noFilter($privateonly);
}
}