func Indirect()

in document/internal/serde/serde.go [12:48]

• 34 lines of code
• 17 McCabe index (conditional complexity)

func Indirect(v reflect.Value, decodingNull bool) reflect.Value {
	v0 := v
	haveAddr := false

	if v.Kind() != reflect.Ptr && v.Type().Name() != "" && v.CanAddr() {
		v = v.Addr()
		haveAddr = true
	}
	for {
		if v.Kind() == reflect.Interface && !v.IsNil() {
			e := v.Elem()
			if e.Kind() == reflect.Ptr && !e.IsNil() && (!decodingNull || e.Elem().Kind() == reflect.Ptr) {
				haveAddr = false
				v = e
				continue
			}
		}
		if v.Kind() != reflect.Ptr {
			break
		}
		if v.Elem().Kind() != reflect.Ptr && decodingNull && v.CanSet() {
			break
		}
		if v.IsNil() {
			v.Set(reflect.New(v.Type().Elem()))
		}

		if haveAddr {
			v = v0
			haveAddr = false
		} else {
			v = v.Elem()
		}
	}

	return v
}