Cleanup go.mod, document things better

encoder/binary.go

@@ -1,5 +1,7 @@
 package encoder
 
+// EncodeValue is a helper that handles conversion of values
+// byte slices and strings are converted directly, everything else is marshalled
 func EncodeValue(encoder Encoder, val any) ([]byte, error) {
 	var v []byte
 
@@ -14,6 +16,8 @@ func EncodeValue(encoder Encoder, val any) ([]byte, error) {
 	return v, nil
 }
 
+// DecodeValue is a helper that handles decoding of values
+// byte slices and strings can be assigned directly
 func DecodeValue(encoder Encoder, b []byte, v any) error {
 	switch v := v.(type) {
 	case *[]byte:

encoder/encoding.go

@@ -10,23 +10,29 @@ var (
 	XML     xmlEncoder
 	JSON    jsonEncoder
 	MsgPack msgPackEncoder
+
+	encoders = map[string]Encoder{
+		"json":    JSON,
+		"xml":     XML,
+		"msgpack": MsgPack,
+	}
 )
 
-func EncoderFrom(name string) Encoder {
-	var enc Encoder
-
-	switch name {
-	case "json":
-		enc = JSON
-	case "xml":
-		enc = XML
-	default: // Default is also msgpack
-		enc = MsgPack
-	}
-
-	return enc
+// Register allows you to register your own encoders
+func Register(name string, enc Encoder) {
+	encoders[name] = enc
 }
 
+// From will return an encoder for the specified key
+func From(name string) Encoder {
+	if enc, ok := encoders[name]; ok {
+		return enc
+	}
+
+	return MsgPack
+}
+
+// Encoder is the base interface for encoding/decoding values
 type Encoder interface {
 	Unmarshal(b []byte, dest any) error
 	Marshal(value any) ([]byte, error)