Beispiel #1
0
func formatOneLine(v otto.Value, limit int, seen map[otto.Value]bool) (string, error) {
	if limit == 0 {
		return "...", nil
	}

	switch {
	case v.IsBoolean(), v.IsNull(), v.IsNumber(), v.IsUndefined():
		return v.String(), nil
	case v.IsString():
		return fmt.Sprintf("%q", v.String()), nil
	case v.IsFunction():
		n, err := v.Object().Get("name")
		if err != nil {
			return "", err
		}
		if n.IsUndefined() {
			return "function", nil
		}
		return fmt.Sprintf("function %s", n.String()), nil
	case v.IsObject():
		switch v.Class() {
		case "Array":
			return formatArrayOneLine(v, limit, seen)
		default:
			return formatObjectOneLine(v, limit, seen)
		}
	default:
		return "", fmt.Errorf("couldn't format type %s", v.Class())
	}
}
Beispiel #2
0
func (ctrl *JsController) callHandler(handler otto.Value, params ...interface{}) (interface{}, error) {
	if !handler.IsFunction() {
		return nil, fmt.Errorf("Result should be a function, got %v", handler)
	}
	out, err := handler.Call(handler, params...)
	if err != nil {
		glog.Errorf("Call resulted in failure %#v", err)
		return nil, err
	}

	obj, err := out.Export()
	if err != nil {
		glog.Errorf("Failed to extract response %#v", err)
		return nil, err
	}
	return obj, nil
}
Beispiel #3
0
func formatIndent(v otto.Value, width, indent, limit, level, additional int, seen map[otto.Value]bool) (string, error) {
	if limit == 0 {
		return "...", nil
	}

	switch {
	case v.IsBoolean(), v.IsNull(), v.IsNumber(), v.IsUndefined():
		return v.String(), nil
	case v.IsString():
		return fmt.Sprintf("%q", v.String()), nil
	case v.IsFunction():
		n, err := v.Object().Get("name")
		if err != nil {
			return "", err
		}
		if n.IsUndefined() {
			return "function", nil
		}
		return fmt.Sprintf("function %s", n.String()), nil
	case v.IsObject():
		if d, err := formatOneLine(v, limit, seen); err != nil {
			return "", err
		} else if level*indent+additional+len(d) <= width {
			return d, nil
		}

		switch v.Class() {
		case "Array":
			return formatArray(v, width, indent, limit, level, seen)
		default:
			return formatObject(v, width, indent, limit, level, seen)
		}
	default:
		return "", fmt.Errorf("couldn't format type %s", v.Class())
	}
}