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Code Issues Releases Activity

add isEmptyFunc

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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
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14
feature_reflect.go
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@ -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