feat: match draft-11

Signed-off-by: Thomas Fossati <[email protected]>

cbor.go

@@ -0,0 +1,36 @@
+package cmw
+
+import (
+	"reflect"
+
+	"github.com/fxamacker/cbor/v2"
+)
+
+var (
+	em, emError = initCBOREncMode()
+	dm, dmError = initCBORDecMode()
+)
+
+func initCBOREncMode() (en cbor.EncMode, err error) {
+	o := cbor.CoreDetEncOptions() // use preset options as a starting point
+	return o.EncMode()
+}
+
+func initCBORDecMode() (en cbor.DecMode, err error) {
+	tags := cbor.NewTagSet()
+	tags.Add(
+		cbor.TagOptions{EncTag: cbor.EncTagNone, DecTag: cbor.DecTagOptional},
+		reflect.TypeOf(CMW{}),
+		765)
+
+	return cbor.DecOptions{}.DecModeWithTags(tags)
+}
+
+func init() {
+	if emError != nil {
+		panic(emError)
+	}
+	if dmError != nil {
+		panic(dmError)
+	}
+}