71 lines
1.4 KiB
Go
71 lines
1.4 KiB
Go
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package jsoniter
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import (
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"github.com/modern-go/reflect2"
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"reflect"
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"unsafe"
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)
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type dynamicEncoder struct {
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valType reflect2.Type
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}
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func (encoder *dynamicEncoder) Encode(ptr unsafe.Pointer, stream *Stream) {
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obj := encoder.valType.UnsafeIndirect(ptr)
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stream.WriteVal(obj)
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}
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func (encoder *dynamicEncoder) IsEmpty(ptr unsafe.Pointer) bool {
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return encoder.valType.UnsafeIndirect(ptr) == nil
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}
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type efaceDecoder struct {
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}
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func (decoder *efaceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
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pObj := (*interface{})(ptr)
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obj := *pObj
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if obj == nil {
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*pObj = iter.Read()
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return
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}
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typ := reflect2.TypeOf(obj)
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if typ.Kind() != reflect.Ptr {
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*pObj = iter.Read()
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return
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}
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ptrType := typ.(*reflect2.UnsafePtrType)
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ptrElemType := ptrType.Elem()
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if iter.WhatIsNext() == NilValue {
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if ptrElemType.Kind() != reflect.Ptr {
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iter.skipFourBytes('n', 'u', 'l', 'l')
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*pObj = nil
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return
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}
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}
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if reflect2.IsNil(obj) {
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obj := ptrElemType.New()
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iter.ReadVal(obj)
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*pObj = obj
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return
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}
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iter.ReadVal(obj)
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}
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type ifaceDecoder struct {
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valType *reflect2.UnsafeIFaceType
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}
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func (decoder *ifaceDecoder) Decode(ptr unsafe.Pointer, iter *Iterator) {
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if iter.ReadNil() {
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decoder.valType.UnsafeSet(ptr, decoder.valType.UnsafeNew())
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return
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}
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obj := decoder.valType.UnsafeIndirect(ptr)
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if reflect2.IsNil(obj) {
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iter.ReportError("decode non empty interface", "can not unmarshal into nil")
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return
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}
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iter.ReadVal(obj)
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}
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