/**
* Resolves an base uri against an target uri
*
* @param \PSX\Uri $baseUri
* @param \PSX\Uri $targetUri
* @return \PSX\Uri
*/
public static function resolve(Uri $baseUri, Uri $targetUri)
{
if (!$baseUri->isAbsolute()) {
throw new InvalidArgumentException('Base uri must be absolute');
}
// if the target uri is absolute
if ($targetUri->isAbsolute()) {
$path = $targetUri->getPath();
if (!empty($path)) {
return $targetUri->withPath(self::removeDotSegments($path));
} else {
return $targetUri;
}
} else {
$authority = $targetUri->getAuthority();
$path = $targetUri->getPath();
$query = $targetUri->getQuery();
if (!empty($authority)) {
if (!empty($path)) {
$path = self::removeDotSegments($path);
}
} else {
if (empty($path)) {
if (empty($query)) {
$path = $baseUri->getPath();
$query = $baseUri->getQuery();
} else {
$path = self::merge($baseUri->getPath(), '');
}
} else {
if (substr($path, 0, 1) == '/') {
$path = self::removeDotSegments($path);
} else {
$path = self::merge($baseUri->getPath(), $path);
$path = self::removeDotSegments($path);
}
}
$authority = $baseUri->getAuthority();
}
return new Uri($baseUri->getScheme(), $authority, $path, $query, $targetUri->getFragment());
}
}
protected function getKey(Uri $uri)
{
return $uri->getScheme() . '-' . $uri->getHost() . '-' . $uri->getPath();
}
