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#28 extension should support specifying encoder

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This commit is contained in:
Tao Wen
2017-05-24 10:58:56 +08:00
parent 6126a6d3ca
commit 7d5f90261e
3 changed files with 27 additions and 17 deletions
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26
jsoniter_customize_test.go
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@ -86,22 +86,28 @@ type TestObject1 struct {
}
func Test_customize_field_by_extension(t *testing.T) {
RegisterExtension(func(type_ reflect.Type, field *reflect.StructField) ([]string, DecoderFunc) {
should := require.New(t)
RegisterExtension(func(type_ reflect.Type, field *reflect.StructField) ([]string, EncoderFunc, DecoderFunc) {
if type_.String() == "jsoniter.TestObject1" && field.Name == "field1" {
return []string{"field-1"}, func(ptr unsafe.Pointer, iter *Iterator) {
encode := func(ptr unsafe.Pointer, stream *Stream) {
str := *((*string)(ptr))
val, _ := strconv.Atoi(str)
stream.WriteInt(val)
}
decode := func(ptr unsafe.Pointer, iter *Iterator) {
*((*string)(ptr)) = strconv.Itoa(iter.ReadInt())
}
return []string{"field-1"}, encode, decode
}
return nil, nil
return nil, nil, nil
})
obj := TestObject1{}
err := Unmarshal([]byte(`{"field-1": 100}`), &obj)
if err != nil {
t.Fatal(err)
}
if obj.field1 != "100" {
t.Fatal(obj.field1)
}
err := UnmarshalFromString(`{"field-1": 100}`, &obj)
should.Nil(err)
should.Equal("100", obj.field1)
str, err := MarshalToString(obj)
should.Nil(err)
should.Equal(`{"field-1":100}`, str)
}
func Test_unexported_fields(t *testing.T) {