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Code Issues Releases Activity

#27 support json.Unmarshaler

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This commit is contained in:
Tao Wen
2017-05-24 16:04:11 +08:00
parent f6f159e108
commit 7d2ae80c37
4 changed files with 61 additions and 4 deletions
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12
feature_reflect.go
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@ -75,6 +75,7 @@ var fieldEncoders map[string]Encoder
var extensions []ExtensionFunc
var anyType reflect.Type
var marshalerType reflect.Type
var unmarshalerType reflect.Type
func init() {
typeDecoders = map[string]Decoder{}
@ -86,6 +87,7 @@ func init() {
atomic.StorePointer(&ENCODERS, unsafe.Pointer(&map[string]Encoder{}))
anyType = reflect.TypeOf((*Any)(nil)).Elem()
marshalerType = reflect.TypeOf((*json.Marshaler)(nil)).Elem()
unmarshalerType = reflect.TypeOf((*json.Unmarshaler)(nil)).Elem()
}
func addDecoderToCache(cacheKey reflect.Type, decoder Decoder) {
@ -293,9 +295,6 @@ func (p prefix) addToEncoder(encoder Encoder, err error) (Encoder, error) {
}
func decoderOfType(typ reflect.Type) (Decoder, error) {
if typ.ConvertibleTo(anyType) {
return &anyCodec{}, nil
}
typeName := typ.String()
typeDecoder := typeDecoders[typeName]
if typeDecoder != nil {
@ -315,6 +314,13 @@ func decoderOfType(typ reflect.Type) (Decoder, error) {
}
func createDecoderOfType(typ reflect.Type) (Decoder, error) {
if typ.ConvertibleTo(anyType) {
return &anyCodec{}, nil
}
if typ.ConvertibleTo(unmarshalerType) {
templateInterface := reflect.New(typ).Elem().Interface()
return &optionalDecoder{typ, &unmarshalerDecoder{extractInterface(templateInterface)}}, nil
}
switch typ.Kind() {
case reflect.String:
return &stringCodec{}, nil