Exemplo n.º 1
0
func (e *Encoder) encodeScalar(av *dynamodb.AttributeValue, v reflect.Value, fieldTag tag) error {
	switch typed := v.Interface().(type) {
	case bool:
		av.BOOL = new(bool)
		*av.BOOL = typed
	case string:
		if err := e.encodeString(av, v); err != nil {
			return err
		}
	case Number:
		s := string(typed)
		if fieldTag.AsString {
			av.S = &s
		} else {
			av.N = &s
		}
	default:
		// Fallback to encoding numbers, will return invalid type if not supported
		if err := e.encodeNumber(av, v); err != nil {
			return err
		}
		if fieldTag.AsString && av.NULL == nil && av.N != nil {
			av.S = av.N
			av.N = nil
		}
	}

	return nil
}
Exemplo n.º 2
0
func (e *Encoder) encodeScalar(av *dynamodb.AttributeValue, v reflect.Value, fieldTag tag) error {
	if v.Type() == numberType {
		s := v.String()
		if fieldTag.AsString {
			av.S = &s
		} else {
			av.N = &s
		}
		return nil
	}

	switch v.Kind() {
	case reflect.Bool:
		av.BOOL = new(bool)
		*av.BOOL = v.Bool()
	case reflect.String:
		if err := e.encodeString(av, v); err != nil {
			return err
		}
	default:
		// Fallback to encoding numbers, will return invalid type if not supported
		if err := e.encodeNumber(av, v); err != nil {
			return err
		}
		if fieldTag.AsString && av.NULL == nil && av.N != nil {
			av.S = av.N
			av.N = nil
		}
	}

	return nil
}
Exemplo n.º 3
0
func (e *Encoder) encodeNumber(av *dynamodb.AttributeValue, v reflect.Value) error {
	if used, err := tryMarshaler(av, v); used {
		return err
	}

	var out string
	switch v.Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		out = encodeInt(v.Int())
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		out = encodeUint(v.Uint())
	case reflect.Float32, reflect.Float64:
		out = encodeFloat(v.Float())
	default:
		return &unsupportedMarshalTypeError{Type: v.Type()}
	}

	av.N = &out

	return nil
}
Exemplo n.º 4
0
func (e *Encoder) encodeNumber(av *dynamodb.AttributeValue, v reflect.Value) error {
	if used, err := tryMarshaler(av, v); used {
		return err
	}

	var out string
	switch typed := v.Interface().(type) {
	case int:
		out = encodeInt(int64(typed))
	case int8:
		out = encodeInt(int64(typed))
	case int16:
		out = encodeInt(int64(typed))
	case int32:
		out = encodeInt(int64(typed))
	case int64:
		out = encodeInt(typed)
	case uint:
		out = encodeUint(uint64(typed))
	case uint8:
		out = encodeUint(uint64(typed))
	case uint16:
		out = encodeUint(uint64(typed))
	case uint32:
		out = encodeUint(uint64(typed))
	case uint64:
		out = encodeUint(typed)
	case float32:
		out = encodeFloat(float64(typed))
	case float64:
		out = encodeFloat(typed)
	default:
		return &unsupportedMarshalTypeError{Type: v.Type()}
	}

	av.N = &out

	return nil
}