function EasyRdf_ParsedUri::resolve

Resolves a relative URI using this URI as the base URI.

File

core/modules/rdf/tests/src/Traits/EasyRdf_ParsedUri.php, line 266

Class

EasyRdf_ParsedUri

A RFC3986 compliant URI parser

Namespace

Code

public function resolve($relUri) {
    // If it is a string, then convert it to a parsed object
    if (is_string($relUri)) {
        $relUri = new EasyRdf_ParsedUri($relUri);
    }
    // This code is based on the pseudocode in section 5.2.2 of RFC3986
    $target = new EasyRdf_ParsedUri();
    if ($relUri->scheme) {
        $target->scheme = $relUri->scheme;
        $target->authority = $relUri->authority;
        $target->path = $relUri->path;
        $target->query = $relUri->query;
    }
    else {
        if ($relUri->authority) {
            $target->authority = $relUri->authority;
            $target->path = $relUri->path;
            $target->query = $relUri->query;
        }
        else {
            if (empty($relUri->path)) {
                $target->path = $this->path;
                if ($relUri->query) {
                    $target->query = $relUri->query;
                }
                else {
                    $target->query = $this->query;
                }
            }
            else {
                if (substr($relUri->path, 0, 1) == '/') {
                    $target->path = $relUri->path;
                }
                else {
                    $path = $this->path;
                    $lastSlash = strrpos($path, '/');
                    if ($lastSlash !== false) {
                        $path = substr($path, 0, $lastSlash + 1);
                    }
                    else {
                        $path = '/';
                    }
                    $target->path .= $path . $relUri->path;
                }
                $target->query = $relUri->query;
            }
            $target->authority = $this->authority;
        }
        $target->scheme = $this->scheme;
    }
    $target->fragment = $relUri->fragment;
    $target->normalize();
    return $target;
}