protected function parse($urn)
{
// URNs are case insensitive
$urn = strtolower((string) $urn);
parent::parse($urn);
// must have an urn scheme and path part
if ($this->scheme != 'urn' || empty($this->path)) {
throw new InvalidArgumentException('Invalid urn syntax');
}
// parse
$this->nid = strstr($this->path, ':', true);
$this->nss = substr(strstr($this->path, ':'), 1);
}
protected function parse($url)
{
$url = (string) $url;
// append http scheme for urls starting with //. Normally // means that
// we use the scheme from the base url but in this context there is no
// base url available so we assume http
if (substr($url, 0, 2) == '//') {
$url = 'http:' . $url;
}
parent::parse($url);
// we need at least an scheme and host
if (empty($this->scheme) || empty($this->host)) {
throw new InvalidArgumentException('Invalid url syntax');
}
// check port if available
if ($this->port !== null) {
if ($this->port < 1 || $this->port > 0xffff) {
throw new InvalidArgumentException('Invalid port range');
}
}
}
