Add support for RAW dsd format.

formats/dsd/dsd.go

@@ -31,6 +31,8 @@ func Load(data []byte, t interface{}) (format SerializationFormat, err error) {
 // LoadAsFormat loads a data blob into the interface using the specified format.
 func LoadAsFormat(data []byte, format SerializationFormat, t interface{}) (err error) {
 	switch format {
+	case RAW:
+		return ErrIsRaw
 	case JSON:
 		err = json.Unmarshal(data, t)
 		if err != nil {
@@ -86,6 +88,12 @@ func DumpIndent(t interface{}, format SerializationFormat, indent string) ([]byt
 	var data []byte
 	var err error
 	switch format {
+	case RAW:
+		var ok bool
+		data, ok = t.([]byte)
+		if !ok {
+			return nil, ErrIncompatibleFormat
+		}
 	case JSON:
 		// TODO: use SetEscapeHTML(false)
 		if indent != "" {

formats/dsd/format.go

@@ -4,6 +4,7 @@ import "errors"
 
 var (
 	ErrIncompatibleFormat = errors.New("dsd: format is incompatible with operation")
+	ErrIsRaw              = errors.New("dsd: given data is in raw format")
 	ErrNoMoreSpace        = errors.New("dsd: no more space left after reading dsd type")
 	ErrUnknownFormat      = errors.New("dsd: format is unknown")
 )
@@ -12,6 +13,7 @@ type SerializationFormat uint8
 
 const (
 	AUTO    SerializationFormat = 0
+	RAW     SerializationFormat = 1
 	CBOR    SerializationFormat = 67 // C
 	GenCode SerializationFormat = 71 // G
 	JSON    SerializationFormat = 74 // J
@@ -43,6 +45,8 @@ func (format SerializationFormat) ValidateSerializationFormat() (validated Seria
 	switch format {
 	case AUTO:
 		return DefaultSerializationFormat, true
+	case RAW:
+		return format, true
 	case CBOR:
 		return format, true
 	case GenCode: