gtsocial-umbx

reflect_native.go (11153B)

---

 package jsoniter
 
 import (
 	"encoding/base64"
 	"reflect"
 	"strconv"
 	"unsafe"
 
 	"github.com/modern-go/reflect2"
 )
 
 const ptrSize = 32 << uintptr(^uintptr(0)>>63)
 
 func createEncoderOfNative(ctx *ctx, typ reflect2.Type) ValEncoder {
 	if typ.Kind() == reflect.Slice && typ.(reflect2.SliceType).Elem().Kind() == reflect.Uint8 {
 		sliceDecoder := decoderOfSlice(ctx, typ)
 		return &base64Codec{sliceDecoder: sliceDecoder}
 	}
 	typeName := typ.String()
 	kind := typ.Kind()
 	switch kind {
 	case reflect.String:
 		if typeName != "string" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*string)(nil)).Elem())
 		}
 		return &stringCodec{}
 	case reflect.Int:
 		if typeName != "int" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*int)(nil)).Elem())
 		}
 		if strconv.IntSize == 32 {
 			return &int32Codec{}
 		}
 		return &int64Codec{}
 	case reflect.Int8:
 		if typeName != "int8" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*int8)(nil)).Elem())
 		}
 		return &int8Codec{}
 	case reflect.Int16:
 		if typeName != "int16" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*int16)(nil)).Elem())
 		}
 		return &int16Codec{}
 	case reflect.Int32:
 		if typeName != "int32" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*int32)(nil)).Elem())
 		}
 		return &int32Codec{}
 	case reflect.Int64:
 		if typeName != "int64" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*int64)(nil)).Elem())
 		}
 		return &int64Codec{}
 	case reflect.Uint:
 		if typeName != "uint" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*uint)(nil)).Elem())
 		}
 		if strconv.IntSize == 32 {
 			return &uint32Codec{}
 		}
 		return &uint64Codec{}
 	case reflect.Uint8:
 		if typeName != "uint8" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*uint8)(nil)).Elem())
 		}
 		return &uint8Codec{}
 	case reflect.Uint16:
 		if typeName != "uint16" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*uint16)(nil)).Elem())
 		}
 		return &uint16Codec{}
 	case reflect.Uint32:
 		if typeName != "uint32" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*uint32)(nil)).Elem())
 		}
 		return &uint32Codec{}
 	case reflect.Uintptr:
 		if typeName != "uintptr" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*uintptr)(nil)).Elem())
 		}
 		if ptrSize == 32 {
 			return &uint32Codec{}
 		}
 		return &uint64Codec{}
 	case reflect.Uint64:
 		if typeName != "uint64" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*uint64)(nil)).Elem())
 		}
 		return &uint64Codec{}
 	case reflect.Float32:
 		if typeName != "float32" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*float32)(nil)).Elem())
 		}
 		return &float32Codec{}
 	case reflect.Float64:
 		if typeName != "float64" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*float64)(nil)).Elem())
 		}
 		return &float64Codec{}
 	case reflect.Bool:
 		if typeName != "bool" {
 			return encoderOfType(ctx, reflect2.TypeOfPtr((*bool)(nil)).Elem())
 		}
 		return &boolCodec{}
 	}
 	return nil
 }
 
 func createDecoderOfNative(ctx *ctx, typ reflect2.Type) ValDecoder {
 	if typ.Kind() == reflect.Slice && typ.(reflect2.SliceType).Elem().Kind() == reflect.Uint8 {
 		sliceDecoder := decoderOfSlice(ctx, typ)
 		return &base64Codec{sliceDecoder: sliceDecoder}
 	}
 	typeName := typ.String()
 	switch typ.Kind() {
 	case reflect.String:
 		if typeName != "string" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*string)(nil)).Elem())
 		}
 		return &stringCodec{}
 	case reflect.Int:
 		if typeName != "int" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*int)(nil)).Elem())
 		}
 		if strconv.IntSize == 32 {
 			return &int32Codec{}
 		}
 		return &int64Codec{}
 	case reflect.Int8:
 		if typeName != "int8" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*int8)(nil)).Elem())
 		}
 		return &int8Codec{}
 	case reflect.Int16:
 		if typeName != "int16" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*int16)(nil)).Elem())
 		}
 		return &int16Codec{}
 	case reflect.Int32:
 		if typeName != "int32" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*int32)(nil)).Elem())
 		}
 		return &int32Codec{}
 	case reflect.Int64:
 		if typeName != "int64" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*int64)(nil)).Elem())
 		}
 		return &int64Codec{}
 	case reflect.Uint:
 		if typeName != "uint" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*uint)(nil)).Elem())
 		}
 		if strconv.IntSize == 32 {
 			return &uint32Codec{}
 		}
 		return &uint64Codec{}
 	case reflect.Uint8:
 		if typeName != "uint8" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*uint8)(nil)).Elem())
 		}
 		return &uint8Codec{}
 	case reflect.Uint16:
 		if typeName != "uint16" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*uint16)(nil)).Elem())
 		}
 		return &uint16Codec{}
 	case reflect.Uint32:
 		if typeName != "uint32" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*uint32)(nil)).Elem())
 		}
 		return &uint32Codec{}
 	case reflect.Uintptr:
 		if typeName != "uintptr" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*uintptr)(nil)).Elem())
 		}
 		if ptrSize == 32 {
 			return &uint32Codec{}
 		}
 		return &uint64Codec{}
 	case reflect.Uint64:
 		if typeName != "uint64" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*uint64)(nil)).Elem())
 		}
 		return &uint64Codec{}
 	case reflect.Float32:
 		if typeName != "float32" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*float32)(nil)).Elem())
 		}
 		return &float32Codec{}
 	case reflect.Float64:
 		if typeName != "float64" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*float64)(nil)).Elem())
 		}
 		return &float64Codec{}
 	case reflect.Bool:
 		if typeName != "bool" {
 			return decoderOfType(ctx, reflect2.TypeOfPtr((*bool)(nil)).Elem())
 		}
 		return &boolCodec{}
 	}
 	return nil
 }
 
 type stringCodec struct {
 }
 
 func (codec *stringCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	*((*string)(ptr)) = iter.ReadString()
 }
 
 func (codec *stringCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	str := *((*string)(ptr))
 	stream.WriteString(str)
 }
 
 func (codec *stringCodec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*string)(ptr)) == ""
 }
 
 type int8Codec struct {
 }
 
 func (codec *int8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*int8)(ptr)) = iter.ReadInt8()
 	}
 }
 
 func (codec *int8Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteInt8(*((*int8)(ptr)))
 }
 
 func (codec *int8Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*int8)(ptr)) == 0
 }
 
 type int16Codec struct {
 }
 
 func (codec *int16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*int16)(ptr)) = iter.ReadInt16()
 	}
 }
 
 func (codec *int16Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteInt16(*((*int16)(ptr)))
 }
 
 func (codec *int16Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*int16)(ptr)) == 0
 }
 
 type int32Codec struct {
 }
 
 func (codec *int32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*int32)(ptr)) = iter.ReadInt32()
 	}
 }
 
 func (codec *int32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteInt32(*((*int32)(ptr)))
 }
 
 func (codec *int32Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*int32)(ptr)) == 0
 }
 
 type int64Codec struct {
 }
 
 func (codec *int64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*int64)(ptr)) = iter.ReadInt64()
 	}
 }
 
 func (codec *int64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteInt64(*((*int64)(ptr)))
 }
 
 func (codec *int64Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*int64)(ptr)) == 0
 }
 
 type uint8Codec struct {
 }
 
 func (codec *uint8Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*uint8)(ptr)) = iter.ReadUint8()
 	}
 }
 
 func (codec *uint8Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteUint8(*((*uint8)(ptr)))
 }
 
 func (codec *uint8Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*uint8)(ptr)) == 0
 }
 
 type uint16Codec struct {
 }
 
 func (codec *uint16Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*uint16)(ptr)) = iter.ReadUint16()
 	}
 }
 
 func (codec *uint16Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteUint16(*((*uint16)(ptr)))
 }
 
 func (codec *uint16Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*uint16)(ptr)) == 0
 }
 
 type uint32Codec struct {
 }
 
 func (codec *uint32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*uint32)(ptr)) = iter.ReadUint32()
 	}
 }
 
 func (codec *uint32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteUint32(*((*uint32)(ptr)))
 }
 
 func (codec *uint32Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*uint32)(ptr)) == 0
 }
 
 type uint64Codec struct {
 }
 
 func (codec *uint64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*uint64)(ptr)) = iter.ReadUint64()
 	}
 }
 
 func (codec *uint64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteUint64(*((*uint64)(ptr)))
 }
 
 func (codec *uint64Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*uint64)(ptr)) == 0
 }
 
 type float32Codec struct {
 }
 
 func (codec *float32Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*float32)(ptr)) = iter.ReadFloat32()
 	}
 }
 
 func (codec *float32Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteFloat32(*((*float32)(ptr)))
 }
 
 func (codec *float32Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*float32)(ptr)) == 0
 }
 
 type float64Codec struct {
 }
 
 func (codec *float64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*float64)(ptr)) = iter.ReadFloat64()
 	}
 }
 
 func (codec *float64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteFloat64(*((*float64)(ptr)))
 }
 
 func (codec *float64Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return *((*float64)(ptr)) == 0
 }
 
 type boolCodec struct {
 }
 
 func (codec *boolCodec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if !iter.ReadNil() {
 		*((*bool)(ptr)) = iter.ReadBool()
 	}
 }
 
 func (codec *boolCodec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	stream.WriteBool(*((*bool)(ptr)))
 }
 
 func (codec *boolCodec) IsEmpty(ptr unsafe.Pointer) bool {
 	return !(*((*bool)(ptr)))
 }
 
 type base64Codec struct {
 	sliceType    *reflect2.UnsafeSliceType
 	sliceDecoder ValDecoder
 }
 
 func (codec *base64Codec) Decode(ptr unsafe.Pointer, iter *Iterator) {
 	if iter.ReadNil() {
 		codec.sliceType.UnsafeSetNil(ptr)
 		return
 	}
 	switch iter.WhatIsNext() {
 	case StringValue:
 		src := iter.ReadString()
 		dst, err := base64.StdEncoding.DecodeString(src)
 		if err != nil {
 			iter.ReportError("decode base64", err.Error())
 		} else {
 			codec.sliceType.UnsafeSet(ptr, unsafe.Pointer(&dst))
 		}
 	case ArrayValue:
 		codec.sliceDecoder.Decode(ptr, iter)
 	default:
 		iter.ReportError("base64Codec", "invalid input")
 	}
 }
 
 func (codec *base64Codec) Encode(ptr unsafe.Pointer, stream *Stream) {
 	if codec.sliceType.UnsafeIsNil(ptr) {
 		stream.WriteNil()
 		return
 	}
 	src := *((*[]byte)(ptr))
 	encoding := base64.StdEncoding
 	stream.writeByte('"')
 	if len(src) != 0 {
 		size := encoding.EncodedLen(len(src))
 		buf := make([]byte, size)
 		encoding.Encode(buf, src)
 		stream.buf = append(stream.buf, buf...)
 	}
 	stream.writeByte('"')
 }
 
 func (codec *base64Codec) IsEmpty(ptr unsafe.Pointer) bool {
 	return len(*((*[]byte)(ptr))) == 0
 }