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#68 string to float64

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This commit is contained in:
Tao Wen 2017-06-20 16:20:56 +08:00
parent 2ea4d48e1f
commit 086001225d
2 changed files with 37 additions and 0 deletions
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23
extra/fuzzy_decoder.go
View File

@ -15,6 +15,7 @@ const MinInt = -MaxInt - 1
func RegisterFuzzyDecoders() { func RegisterFuzzyDecoders() {
jsoniter.RegisterTypeDecoder("string", &FuzzyStringDecoder{}) jsoniter.RegisterTypeDecoder("string", &FuzzyStringDecoder{})
jsoniter.RegisterTypeDecoder("float32", &FuzzyFloat32Decoder{}) jsoniter.RegisterTypeDecoder("float32", &FuzzyFloat32Decoder{})
jsoniter.RegisterTypeDecoder("float64", &FuzzyFloat64Decoder{})
jsoniter.RegisterTypeDecoder("int", &FuzzyIntegerDecoder{func(isFloat bool, ptr unsafe.Pointer, iter *jsoniter.Iterator) { jsoniter.RegisterTypeDecoder("int", &FuzzyIntegerDecoder{func(isFloat bool, ptr unsafe.Pointer, iter *jsoniter.Iterator) {
if isFloat { if isFloat {
val := iter.ReadFloat64() val := iter.ReadFloat64()
@ -201,3 +202,25 @@ func (decoder *FuzzyFloat32Decoder) Decode(ptr unsafe.Pointer, iter *jsoniter.It
iter.ReportError("FuzzyFloat32Decoder", "not number or string") iter.ReportError("FuzzyFloat32Decoder", "not number or string")
} }
} }
type FuzzyFloat64Decoder struct {
}
func (decoder *FuzzyFloat64Decoder) Decode(ptr unsafe.Pointer, iter *jsoniter.Iterator) {
valueType := iter.WhatIsNext()
var str string
switch valueType {
case jsoniter.Number:
*((*float64)(ptr)) = iter.ReadFloat64()
case jsoniter.String:
str = iter.ReadString()
newIter := iter.Config().BorrowIterator([]byte(str))
defer iter.Config().ReturnIterator(newIter)
*((*float64)(ptr)) = newIter.ReadFloat64()
if newIter.Error != nil {
iter.Error = newIter.Error
}
default:
iter.ReportError("FuzzyFloat32Decoder", "not number or string")
}
}

14
extra/fuzzy_decoder_test.go
View File

@ -71,3 +71,17 @@ func Test_float_to_float32(t *testing.T) {
should.Nil(jsoniter.UnmarshalFromString(`1.23`, &val)) should.Nil(jsoniter.UnmarshalFromString(`1.23`, &val))
should.Equal(float32(1.23), val) should.Equal(float32(1.23), val)
} }
func Test_string_to_float64(t *testing.T) {
should := require.New(t)
var val float64
should.Nil(jsoniter.UnmarshalFromString(`"100"`, &val))
should.Equal(float64(100), val)
}
func Test_float_to_float64(t *testing.T) {
should := require.New(t)
var val float64
should.Nil(jsoniter.UnmarshalFromString(`1.23`, &val))
should.Equal(float64(1.23), val)
}