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mirror of https://github.com/json-iterator/go.git synced 2025-02-19 19:59:49 +02:00

add isEmptyFunc

This commit is contained in:
Tao Wen 2017-06-20 07:57:23 +08:00
parent 39c9bb226a
commit 43a832beee
3 changed files with 14 additions and 10 deletions

View File

@ -59,6 +59,7 @@ func (decoder *funcDecoder) decode(ptr unsafe.Pointer, iter *Iterator) {
type funcEncoder struct {
fun EncoderFunc
isEmptyFunc func(ptr unsafe.Pointer) bool
}
func (encoder *funcEncoder) encode(ptr unsafe.Pointer, stream *Stream) {
@ -70,7 +71,10 @@ func (encoder *funcEncoder) encodeInterface(val interface{}, stream *Stream) {
}
func (encoder *funcEncoder) isEmpty(ptr unsafe.Pointer) bool {
return false
if encoder.isEmptyFunc == nil {
return false
}
return encoder.isEmptyFunc(ptr)
}
var typeDecoders map[string]Decoder
@ -111,12 +115,12 @@ func RegisterFieldDecoder(typ string, field string, fun DecoderFunc) {
fieldDecoders[fmt.Sprintf("%s/%s", typ, field)] = &funcDecoder{fun}
}
func RegisterTypeEncoder(typ string, fun EncoderFunc) {
typeEncoders[typ] = &funcEncoder{fun}
func RegisterTypeEncoder(typ string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) {
typeEncoders[typ] = &funcEncoder{fun, isEmptyFunc}
}
func RegisterFieldEncoder(typ string, field string, fun EncoderFunc) {
fieldEncoders[fmt.Sprintf("%s/%s", typ, field)] = &funcEncoder{fun}
func RegisterFieldEncoder(typ string, field string, fun EncoderFunc, isEmptyFunc func(unsafe.Pointer) bool) {
fieldEncoders[fmt.Sprintf("%s/%s", typ, field)] = &funcEncoder{fun, isEmptyFunc}
}
// RegisterExtension can register a custom extension

View File

@ -21,7 +21,7 @@ func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (Encoder, error) {
extensionProvidedFieldNames = alternativeFieldNames
}
if fun != nil {
fieldEncoders[fieldEncoderKey] = &funcEncoder{fun}
fieldEncoders[fieldEncoderKey] = &funcEncoder{fun, nil}
}
}
for _, extension := range cfg.extensions {
@ -30,7 +30,7 @@ func encoderOfStruct(cfg *frozenConfig, typ reflect.Type) (Encoder, error) {
extensionProvidedFieldNames = alternativeFieldNames
}
if fun != nil {
fieldEncoders[fieldEncoderKey] = &funcEncoder{fun}
fieldEncoders[fieldEncoderKey] = &funcEncoder{fun, nil}
}
}
tagParts := strings.Split(field.Tag.Get("json"), ",")

View File

@ -36,7 +36,7 @@ func Test_customize_type_encoder(t *testing.T) {
RegisterTypeEncoder("time.Time", func(ptr unsafe.Pointer, stream *Stream) {
t := *((*time.Time)(ptr))
stream.WriteString(t.UTC().Format("2006-01-02 15:04:05"))
})
}, nil)
defer ConfigDefault.cleanEncoders()
val := time.Unix(0, 0)
str, err := MarshalToString(val)
@ -50,7 +50,7 @@ func Test_customize_byte_array_encoder(t *testing.T) {
RegisterTypeEncoder("[]uint8", func(ptr unsafe.Pointer, stream *Stream) {
t := *((*[]byte)(ptr))
stream.WriteString(string(t))
})
}, nil)
defer ConfigDefault.cleanEncoders()
val := []byte("abc")
str, err := MarshalToString(val)
@ -158,7 +158,7 @@ func Test_marshaler_and_encoder(t *testing.T) {
should := require.New(t)
RegisterTypeEncoder("jsoniter.ObjectImplementedMarshaler", func(ptr unsafe.Pointer, stream *Stream) {
stream.WriteString("hello from encoder")
})
}, nil)
val := ObjectImplementedMarshaler(100)
obj := TestObject{&val}
bytes, err := json.Marshal(obj)