switch to go vendoring

vendor/github.com/shamaton/msgpack/v2/internal/decoding/bin.go

@@ -0,0 +1,55 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"reflect"
+	"unsafe"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) isCodeBin(v byte) bool {
+	switch v {
+	case def.Bin8, def.Bin16, def.Bin32:
+		return true
+	}
+	return false
+}
+
+func (d *decoder) asBin(offset int, k reflect.Kind) ([]byte, int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return emptyBytes, 0, err
+	}
+
+	switch code {
+	case def.Bin8:
+		l, offset, err := d.readSize1(offset)
+		if err != nil {
+			return emptyBytes, 0, err
+		}
+		o := offset + int(uint8(l))
+		return d.data[offset:o], o, nil
+	case def.Bin16:
+		bs, offset, err := d.readSize2(offset)
+		o := offset + int(binary.BigEndian.Uint16(bs))
+		if err != nil {
+			return emptyBytes, 0, err
+		}
+		return d.data[offset:o], o, nil
+	case def.Bin32:
+		bs, offset, err := d.readSize4(offset)
+		o := offset + int(binary.BigEndian.Uint32(bs))
+		if err != nil {
+			return emptyBytes, 0, err
+		}
+		return d.data[offset:o], o, nil
+	}
+
+	return emptyBytes, 0, d.errorTemplate(code, k)
+}
+
+func (d *decoder) asBinString(offset int, k reflect.Kind) (string, int, error) {
+	bs, offset, err := d.asBin(offset, k)
+	return *(*string)(unsafe.Pointer(&bs)), offset, err
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/bool.go

@@ -0,0 +1,20 @@
+package decoding
+
+import (
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) asBool(offset int, k reflect.Kind) (bool, int, error) {
+	code := d.data[offset]
+	offset++
+
+	switch code {
+	case def.True:
+		return true, offset, nil
+	case def.False:
+		return false, offset, nil
+	}
+	return false, 0, d.errorTemplate(code, k)
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/complex.go

@@ -0,0 +1,114 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"fmt"
+	"math"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) asComplex64(offset int, k reflect.Kind) (complex64, int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return complex(0, 0), 0, err
+	}
+
+	switch code {
+	case def.Fixext8:
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		if int8(t) != def.ComplexTypeCode() {
+			return complex(0, 0), 0, fmt.Errorf("fixext8. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
+		}
+		rb, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		r := math.Float32frombits(binary.BigEndian.Uint32(rb))
+		i := math.Float32frombits(binary.BigEndian.Uint32(ib))
+		return complex(r, i), offset, nil
+
+	case def.Fixext16:
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		if int8(t) != def.ComplexTypeCode() {
+			return complex(0, 0), 0, fmt.Errorf("fixext16. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
+		}
+		rb, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		r := math.Float64frombits(binary.BigEndian.Uint64(rb))
+		i := math.Float64frombits(binary.BigEndian.Uint64(ib))
+		return complex64(complex(r, i)), offset, nil
+
+	}
+
+	return complex(0, 0), 0, fmt.Errorf("should not reach this line!! code %x decoding %v", code, k)
+}
+
+func (d *decoder) asComplex128(offset int, k reflect.Kind) (complex128, int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return complex(0, 0), 0, err
+	}
+
+	switch code {
+	case def.Fixext8:
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		if int8(t) != def.ComplexTypeCode() {
+			return complex(0, 0), 0, fmt.Errorf("fixext8. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
+		}
+		rb, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize4(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		r := math.Float32frombits(binary.BigEndian.Uint32(rb))
+		i := math.Float32frombits(binary.BigEndian.Uint32(ib))
+		return complex128(complex(r, i)), offset, nil
+
+	case def.Fixext16:
+		t, offset, err := d.readSize1(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		if int8(t) != def.ComplexTypeCode() {
+			return complex(0, 0), 0, fmt.Errorf("fixext16. complex type is diffrent %d, %d", t, def.ComplexTypeCode())
+		}
+		rb, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		ib, offset, err := d.readSize8(offset)
+		if err != nil {
+			return complex(0, 0), 0, err
+		}
+		r := math.Float64frombits(binary.BigEndian.Uint64(rb))
+		i := math.Float64frombits(binary.BigEndian.Uint64(ib))
+		return complex(r, i), offset, nil
+
+	}
+
+	return complex(0, 0), 0, fmt.Errorf("should not reach this line!! code %x decoding %v", code, k)
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/decoding.go

@@ -0,0 +1,342 @@
+package decoding
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/internal/common"
+)
+
+type decoder struct {
+	data    []byte
+	asArray bool
+	common.Common
+}
+
+// Decode analyzes the MessagePack-encoded data and stores
+// the result into the pointer of v.
+func Decode(data []byte, v interface{}, asArray bool) error {
+	d := decoder{data: data, asArray: asArray}
+
+	if d.data == nil || len(d.data) < 1 {
+		return fmt.Errorf("data is empty")
+	}
+	rv := reflect.ValueOf(v)
+	if rv.Kind() != reflect.Ptr {
+		return fmt.Errorf("holder must set pointer value. but got: %t", v)
+	}
+
+	rv = rv.Elem()
+
+	last, err := d.decode(rv, 0)
+	if err != nil {
+		return err
+	}
+	if len(data) != last {
+		return fmt.Errorf("failed deserialization size=%d, last=%d", len(data), last)
+	}
+	return err
+}
+
+func (d *decoder) decode(rv reflect.Value, offset int) (int, error) {
+	k := rv.Kind()
+	switch k {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		v, o, err := d.asInt(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetInt(v)
+		offset = o
+
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		v, o, err := d.asUint(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetUint(v)
+		offset = o
+
+	case reflect.Float32:
+		v, o, err := d.asFloat32(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetFloat(float64(v))
+		offset = o
+
+	case reflect.Float64:
+		v, o, err := d.asFloat64(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetFloat(v)
+		offset = o
+
+	case reflect.String:
+		// byte slice
+		if d.isCodeBin(d.data[offset]) {
+			v, offset, err := d.asBinString(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			rv.SetString(v)
+			return offset, nil
+		}
+		v, o, err := d.asString(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetString(v)
+		offset = o
+
+	case reflect.Bool:
+		v, o, err := d.asBool(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetBool(v)
+		offset = o
+
+	case reflect.Slice:
+		// nil
+		if d.isCodeNil(d.data[offset]) {
+			offset++
+			return offset, nil
+		}
+		// byte slice
+		if d.isCodeBin(d.data[offset]) {
+			bs, offset, err := d.asBin(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			rv.SetBytes(bs)
+			return offset, nil
+		}
+		// string to bytes
+		if d.isCodeString(d.data[offset]) {
+			l, offset, err := d.stringByteLength(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			bs, offset, err := d.asStringByteByLength(offset, l, k)
+			if err != nil {
+				return 0, err
+			}
+			rv.SetBytes(bs)
+			return offset, nil
+		}
+
+		// get slice length
+		l, o, err := d.sliceLength(offset, k)
+		if err != nil {
+			return 0, err
+		}
+
+		if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+			return 0, err
+		}
+
+		// check fixed type
+		fixedOffset, found, err := d.asFixedSlice(rv, o, l)
+		if err != nil {
+			return 0, err
+		}
+		if found {
+			return fixedOffset, nil
+		}
+
+		// create slice dynamically
+		tmpSlice := reflect.MakeSlice(rv.Type(), l, l)
+		for i := 0; i < l; i++ {
+			v := tmpSlice.Index(i)
+			if v.Kind() == reflect.Struct {
+				o, err = d.setStruct(v, o, k)
+			} else {
+				o, err = d.decode(v, o)
+			}
+			if err != nil {
+				return 0, err
+			}
+		}
+		rv.Set(tmpSlice)
+		offset = o
+
+	case reflect.Complex64:
+		v, o, err := d.asComplex64(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetComplex(complex128(v))
+		offset = o
+
+	case reflect.Complex128:
+		v, o, err := d.asComplex128(offset, k)
+		if err != nil {
+			return 0, err
+		}
+		rv.SetComplex(v)
+		offset = o
+
+	case reflect.Array:
+		// nil
+		if d.isCodeNil(d.data[offset]) {
+			offset++
+			return offset, nil
+		}
+		// byte slice
+		if d.isCodeBin(d.data[offset]) {
+			bs, offset, err := d.asBin(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			if len(bs) > rv.Len() {
+				return 0, fmt.Errorf("%v len is %d, but msgpack has %d elements", rv.Type(), rv.Len(), len(bs))
+			}
+			for i, b := range bs {
+				rv.Index(i).SetUint(uint64(b))
+			}
+			return offset, nil
+		}
+		// string to bytes
+		if d.isCodeString(d.data[offset]) {
+			l, offset, err := d.stringByteLength(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			if l > rv.Len() {
+				return 0, fmt.Errorf("%v len is %d, but msgpack has %d elements", rv.Type(), rv.Len(), l)
+			}
+			bs, offset, err := d.asStringByteByLength(offset, l, k)
+			if err != nil {
+				return 0, err
+			}
+			for i, b := range bs {
+				rv.Index(i).SetUint(uint64(b))
+			}
+			return offset, nil
+		}
+
+		// get slice length
+		l, o, err := d.sliceLength(offset, k)
+		if err != nil {
+			return 0, err
+		}
+
+		if l > rv.Len() {
+			return 0, fmt.Errorf("%v len is %d, but msgpack has %d elements", rv.Type(), rv.Len(), l)
+		}
+
+		if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+			return 0, err
+		}
+
+		// create array dynamically
+		for i := 0; i < l; i++ {
+			o, err = d.decode(rv.Index(i), o)
+			if err != nil {
+				return 0, err
+			}
+		}
+		offset = o
+
+	case reflect.Map:
+		// nil
+		if d.isCodeNil(d.data[offset]) {
+			offset++
+			return offset, nil
+		}
+
+		// get map length
+		l, o, err := d.mapLength(offset, k)
+		if err != nil {
+			return 0, err
+		}
+
+		if err = d.hasRequiredLeastMapSize(o, l); err != nil {
+			return 0, err
+		}
+
+		// check fixed type
+		fixedOffset, found, err := d.asFixedMap(rv, o, l)
+		if err != nil {
+			return 0, err
+		}
+		if found {
+			return fixedOffset, nil
+		}
+
+		// create dynamically
+		key := rv.Type().Key()
+		value := rv.Type().Elem()
+		if rv.IsNil() {
+			rv.Set(reflect.MakeMapWithSize(rv.Type(), l))
+		}
+		for i := 0; i < l; i++ {
+			k := reflect.New(key).Elem()
+			v := reflect.New(value).Elem()
+			o, err = d.decode(k, o)
+			if err != nil {
+				return 0, err
+			}
+			o, err = d.decode(v, o)
+			if err != nil {
+				return 0, err
+			}
+
+			rv.SetMapIndex(k, v)
+		}
+		offset = o
+
+	case reflect.Struct:
+		o, err := d.setStruct(rv, offset, k)
+		if err != nil {
+			return 0, err
+		}
+		offset = o
+
+	case reflect.Ptr:
+		// nil
+		if d.isCodeNil(d.data[offset]) {
+			offset++
+			return offset, nil
+		}
+
+		if rv.Elem().Kind() == reflect.Invalid {
+			n := reflect.New(rv.Type().Elem())
+			rv.Set(n)
+		}
+
+		o, err := d.decode(rv.Elem(), offset)
+		if err != nil {
+			return 0, err
+		}
+		offset = o
+
+	case reflect.Interface:
+		if rv.Elem().Kind() == reflect.Ptr {
+			o, err := d.decode(rv.Elem(), offset)
+			if err != nil {
+				return 0, err
+			}
+			offset = o
+		} else {
+			v, o, err := d.asInterface(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			if v != nil {
+				rv.Set(reflect.ValueOf(v))
+			}
+			offset = o
+		}
+
+	default:
+		return 0, fmt.Errorf("type(%v) is unsupported", rv.Kind())
+	}
+	return offset, nil
+}
+
+func (d *decoder) errorTemplate(code byte, k reflect.Kind) error {
+	return fmt.Errorf("msgpack : invalid code %x decoding %v", code, k)
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/ext.go

@@ -0,0 +1,102 @@
+package decoding
+
+import (
+	"github.com/shamaton/msgpack/v2/ext"
+	"github.com/shamaton/msgpack/v2/time"
+)
+
+var extCoderMap = map[int8]ext.Decoder{time.Decoder.Code(): time.Decoder}
+var extCoders = []ext.Decoder{time.Decoder}
+
+// AddExtDecoder adds decoders for extension types.
+func AddExtDecoder(f ext.Decoder) {
+	// ignore time
+	if f.Code() == time.Decoder.Code() {
+		return
+	}
+
+	_, ok := extCoderMap[f.Code()]
+	if !ok {
+		extCoderMap[f.Code()] = f
+		updateExtCoders()
+	}
+}
+
+// RemoveExtDecoder removes decoders for extension types.
+func RemoveExtDecoder(f ext.Decoder) {
+	// ignore time
+	if f.Code() == time.Decoder.Code() {
+		return
+	}
+
+	_, ok := extCoderMap[f.Code()]
+	if ok {
+		delete(extCoderMap, f.Code())
+		updateExtCoders()
+	}
+}
+
+func updateExtCoders() {
+	extCoders = make([]ext.Decoder, len(extCoderMap))
+	i := 0
+	for k := range extCoderMap {
+		extCoders[i] = extCoderMap[k]
+		i++
+	}
+}
+
+/*
+var zero = time.Unix(0,0)
+
+func (d *decoder) isDateTime(offset int) bool {
+	code, offset := d.readSize1(offset)
+
+	if code == def.Fixext4 {
+		t, _ := d.readSize1(offset)
+		return int8(t) == def.TimeStamp
+	} else if code == def.Fixext8 {
+		t, _ := d.readSize1(offset)
+		return int8(t) == def.TimeStamp
+	} else if code == def.Ext8 {
+		l, offset := d.readSize1(offset)
+		t, _ := d.readSize1(offset)
+		return l == 12 && int8(t) == def.TimeStamp
+	}
+	return false
+}
+
+func (d *decoder) asDateTime(offset int, k reflect.Kind) (time.Time, int, error) {
+	code, offset := d.readSize1(offset)
+
+	switch code {
+	case def.Fixext4:
+		_, offset = d.readSize1(offset)
+		bs, offset := d.readSize4(offset)
+		return time.Unix(int64(binary.BigEndian.Uint32(bs)), 0), offset, nil
+
+	case def.Fixext8:
+		_, offset = d.readSize1(offset)
+		bs, offset := d.readSize8(offset)
+		data64 := binary.BigEndian.Uint64(bs)
+		nano := int64(data64 >> 34)
+		if nano > 999999999 {
+			return zero, 0, fmt.Errorf("In timestamp 64 formats, nanoseconds must not be larger than 999999999 : %d", nano)
+		}
+		return time.Unix(int64(data64&0x00000003ffffffff), nano), offset, nil
+
+	case def.Ext8:
+		_, offset = d.readSize1(offset)
+		_, offset = d.readSize1(offset)
+		nanobs, offset := d.readSize4(offset)
+		secbs, offset := d.readSize8(offset)
+		nano := binary.BigEndian.Uint32(nanobs)
+		if nano > 999999999 {
+			return zero, 0, fmt.Errorf("In timestamp 96 formats, nanoseconds must not be larger than 999999999 : %d", nano)
+		}
+		sec := binary.BigEndian.Uint64(secbs)
+		return time.Unix(int64(sec), int64(nano)), offset, nil
+	}
+
+	return zero, 0, d.errorTemplate(code, k)
+}
+*/

vendor/github.com/shamaton/msgpack/v2/internal/decoding/float.go

@@ -0,0 +1,92 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"math"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) asFloat32(offset int, k reflect.Kind) (float32, int, error) {
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case code == def.Float32:
+		offset++
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := math.Float32frombits(binary.BigEndian.Uint32(bs))
+		return v, offset, nil
+
+	case d.isPositiveFixNum(code), code == def.Uint8, code == def.Uint16, code == def.Uint32, code == def.Uint64:
+		v, offset, err := d.asUint(offset, k)
+		if err != nil {
+			break
+		}
+		return float32(v), offset, nil
+
+	case d.isNegativeFixNum(code), code == def.Int8, code == def.Int16, code == def.Int32, code == def.Int64:
+		v, offset, err := d.asInt(offset, k)
+		if err != nil {
+			break
+		}
+		return float32(v), offset, nil
+
+	case code == def.Nil:
+		offset++
+		return 0, offset, nil
+	}
+	return 0, 0, d.errorTemplate(code, k)
+}
+
+func (d *decoder) asFloat64(offset int, k reflect.Kind) (float64, int, error) {
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case code == def.Float64:
+		offset++
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := math.Float64frombits(binary.BigEndian.Uint64(bs))
+		return v, offset, nil
+
+	case code == def.Float32:
+		offset++
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := math.Float32frombits(binary.BigEndian.Uint32(bs))
+		return float64(v), offset, nil
+
+	case d.isPositiveFixNum(code), code == def.Uint8, code == def.Uint16, code == def.Uint32, code == def.Uint64:
+		v, offset, err := d.asUint(offset, k)
+		if err != nil {
+			break
+		}
+		return float64(v), offset, nil
+
+	case d.isNegativeFixNum(code), code == def.Int8, code == def.Int16, code == def.Int32, code == def.Int64:
+		v, offset, err := d.asInt(offset, k)
+		if err != nil {
+			break
+		}
+		return float64(v), offset, nil
+
+	case code == def.Nil:
+		offset++
+		return 0, offset, nil
+	}
+	return 0, 0, d.errorTemplate(code, k)
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/int.go

@@ -0,0 +1,128 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) isPositiveFixNum(v byte) bool {
+	return def.PositiveFixIntMin <= v && v <= def.PositiveFixIntMax
+}
+
+func (d *decoder) isNegativeFixNum(v byte) bool {
+	return def.NegativeFixintMin <= int8(v) && int8(v) <= def.NegativeFixintMax
+}
+
+func (d *decoder) asInt(offset int, k reflect.Kind) (int64, int, error) {
+
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case d.isPositiveFixNum(code):
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(b), offset, nil
+
+	case d.isNegativeFixNum(code):
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(int8(b)), offset, nil
+
+	case code == def.Uint8:
+		offset++
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(uint8(b)), offset, nil
+
+	case code == def.Int8:
+		offset++
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(int8(b)), offset, nil
+
+	case code == def.Uint16:
+		offset++
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := binary.BigEndian.Uint16(bs)
+		return int64(v), offset, nil
+
+	case code == def.Int16:
+		offset++
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := int16(binary.BigEndian.Uint16(bs))
+		return int64(v), offset, nil
+
+	case code == def.Uint32:
+		offset++
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := binary.BigEndian.Uint32(bs)
+		return int64(v), offset, nil
+
+	case code == def.Int32:
+		offset++
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := int32(binary.BigEndian.Uint32(bs))
+		return int64(v), offset, nil
+
+	case code == def.Uint64:
+		offset++
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(binary.BigEndian.Uint64(bs)), offset, nil
+
+	case code == def.Int64:
+		offset++
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(binary.BigEndian.Uint64(bs)), offset, nil
+
+	case code == def.Float32:
+		v, offset, err := d.asFloat32(offset, k)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(v), offset, nil
+
+	case code == def.Float64:
+		v, offset, err := d.asFloat64(offset, k)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int64(v), offset, nil
+
+	case code == def.Nil:
+		offset++
+		return 0, offset, nil
+	}
+
+	return 0, 0, d.errorTemplate(code, k)
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/interface.go

@@ -0,0 +1,190 @@
+package decoding
+
+import (
+	"fmt"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) asInterface(offset int, k reflect.Kind) (interface{}, int, error) {
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case code == def.Nil:
+		offset++
+		return nil, offset, nil
+
+	case code == def.True, code == def.False:
+		v, offset, err := d.asBool(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, nil
+
+	case d.isPositiveFixNum(code), code == def.Uint8:
+		v, offset, err := d.asUint(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return uint8(v), offset, err
+	case code == def.Uint16:
+		v, offset, err := d.asUint(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return uint16(v), offset, err
+	case code == def.Uint32:
+		v, offset, err := d.asUint(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return uint32(v), offset, err
+	case code == def.Uint64:
+		v, offset, err := d.asUint(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, err
+
+	case d.isNegativeFixNum(code), code == def.Int8:
+		v, offset, err := d.asInt(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return int8(v), offset, err
+	case code == def.Int16:
+		v, offset, err := d.asInt(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return int16(v), offset, err
+	case code == def.Int32:
+		v, offset, err := d.asInt(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return int32(v), offset, err
+	case code == def.Int64:
+		v, offset, err := d.asInt(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, err
+
+	case code == def.Float32:
+		v, offset, err := d.asFloat32(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, err
+	case code == def.Float64:
+		v, offset, err := d.asFloat64(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, err
+
+	case d.isFixString(code), code == def.Str8, code == def.Str16, code == def.Str32:
+		v, offset, err := d.asString(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, err
+
+	case code == def.Bin8, code == def.Bin16, code == def.Bin32:
+		v, offset, err := d.asBin(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, err
+
+	case d.isFixSlice(code), code == def.Array16, code == def.Array32:
+		l, o, err := d.sliceLength(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+
+		if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+			return nil, 0, err
+		}
+
+		v := make([]interface{}, l)
+		for i := 0; i < l; i++ {
+			vv, o2, err := d.asInterface(o, k)
+			if err != nil {
+				return nil, 0, err
+			}
+			v[i] = vv
+			o = o2
+		}
+		offset = o
+		return v, offset, nil
+
+	case d.isFixMap(code), code == def.Map16, code == def.Map32:
+		l, o, err := d.mapLength(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		if err = d.hasRequiredLeastMapSize(o, l); err != nil {
+			return nil, 0, err
+		}
+		v := make(map[interface{}]interface{}, l)
+		for i := 0; i < l; i++ {
+			if d.canSetAsMapKey(o) != nil {
+				return nil, 0, err
+			}
+			key, o2, err := d.asInterface(o, k)
+			if err != nil {
+				return nil, 0, err
+			}
+			value, o2, err := d.asInterface(o2, k)
+			if err != nil {
+				return nil, 0, err
+			}
+			v[key] = value
+			o = o2
+		}
+		offset = o
+		return v, offset, nil
+	}
+
+	/* use ext
+	if d.isDateTime(offset) {
+		v, offset, err := d.asDateTime(offset, k)
+		if err != nil {
+			return nil, 0, err
+		}
+		return v, offset, nil
+	}
+	*/
+
+	// ext
+	for i := range extCoders {
+		if extCoders[i].IsType(offset, &d.data) {
+			v, offset, err := extCoders[i].AsValue(offset, k, &d.data)
+			if err != nil {
+				return nil, 0, err
+			}
+			return v, offset, nil
+		}
+	}
+	return nil, 0, d.errorTemplate(code, k)
+}
+
+func (d *decoder) canSetAsMapKey(index int) error {
+	code, _, err := d.readSize1(index)
+	if err != nil {
+		return err
+	}
+	switch {
+	case d.isFixSlice(code), code == def.Array16, code == def.Array32:
+		return fmt.Errorf("can not use slice code for map key/ code: %x", code)
+	case d.isFixMap(code), code == def.Map16, code == def.Map32:
+		return fmt.Errorf("can not use map code for map key/ code: %x", code)
+	}
+	return nil
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/map.go

@@ -0,0 +1,750 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"errors"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+var (
+	typeMapStringInt   = reflect.TypeOf(map[string]int{})
+	typeMapStringInt8  = reflect.TypeOf(map[string]int8{})
+	typeMapStringInt16 = reflect.TypeOf(map[string]int16{})
+	typeMapStringInt32 = reflect.TypeOf(map[string]int32{})
+	typeMapStringInt64 = reflect.TypeOf(map[string]int64{})
+
+	typeMapStringUint   = reflect.TypeOf(map[string]uint{})
+	typeMapStringUint8  = reflect.TypeOf(map[string]uint8{})
+	typeMapStringUint16 = reflect.TypeOf(map[string]uint16{})
+	typeMapStringUint32 = reflect.TypeOf(map[string]uint32{})
+	typeMapStringUint64 = reflect.TypeOf(map[string]uint64{})
+
+	typeMapStringFloat32 = reflect.TypeOf(map[string]float32{})
+	typeMapStringFloat64 = reflect.TypeOf(map[string]float64{})
+
+	typeMapStringBool   = reflect.TypeOf(map[string]bool{})
+	typeMapStringString = reflect.TypeOf(map[string]string{})
+
+	typeMapIntString   = reflect.TypeOf(map[int]string{})
+	typeMapInt8String  = reflect.TypeOf(map[int8]string{})
+	typeMapInt16String = reflect.TypeOf(map[int16]string{})
+	typeMapInt32String = reflect.TypeOf(map[int32]string{})
+	typeMapInt64String = reflect.TypeOf(map[int64]string{})
+	typeMapIntBool     = reflect.TypeOf(map[int]bool{})
+	typeMapInt8Bool    = reflect.TypeOf(map[int8]bool{})
+	typeMapInt16Bool   = reflect.TypeOf(map[int16]bool{})
+	typeMapInt32Bool   = reflect.TypeOf(map[int32]bool{})
+	typeMapInt64Bool   = reflect.TypeOf(map[int64]bool{})
+
+	typeMapUintString   = reflect.TypeOf(map[uint]string{})
+	typeMapUint8String  = reflect.TypeOf(map[uint8]string{})
+	typeMapUint16String = reflect.TypeOf(map[uint16]string{})
+	typeMapUint32String = reflect.TypeOf(map[uint32]string{})
+	typeMapUint64String = reflect.TypeOf(map[uint64]string{})
+	typeMapUintBool     = reflect.TypeOf(map[uint]bool{})
+	typeMapUint8Bool    = reflect.TypeOf(map[uint8]bool{})
+	typeMapUint16Bool   = reflect.TypeOf(map[uint16]bool{})
+	typeMapUint32Bool   = reflect.TypeOf(map[uint32]bool{})
+	typeMapUint64Bool   = reflect.TypeOf(map[uint64]bool{})
+
+	typeMapFloat32String = reflect.TypeOf(map[float32]string{})
+	typeMapFloat64String = reflect.TypeOf(map[float64]string{})
+	typeMapFloat32Bool   = reflect.TypeOf(map[float32]bool{})
+	typeMapFloat64Bool   = reflect.TypeOf(map[float64]bool{})
+)
+
+func (d *decoder) isFixMap(v byte) bool {
+	return def.FixMap <= v && v <= def.FixMap+0x0f
+}
+
+func (d *decoder) mapLength(offset int, k reflect.Kind) (int, int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case d.isFixMap(code):
+		return int(code - def.FixMap), offset, nil
+	case code == def.Map16:
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(binary.BigEndian.Uint16(bs)), offset, nil
+	case code == def.Map32:
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(binary.BigEndian.Uint32(bs)), offset, nil
+	}
+
+	return 0, 0, d.errorTemplate(code, k)
+}
+
+func (d *decoder) hasRequiredLeastMapSize(offset, length int) error {
+	// minimum check (byte length)
+	if len(d.data[offset:]) < length*2 {
+		return errors.New("data length lacks to create map")
+	}
+	return nil
+}
+
+func (d *decoder) asFixedMap(rv reflect.Value, offset int, l int) (int, bool, error) {
+	t := rv.Type()
+
+	keyKind := t.Key().Kind()
+	valueKind := t.Elem().Kind()
+
+	switch t {
+	case typeMapStringInt:
+		m := make(map[string]int, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asInt(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = int(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringUint:
+		m := make(map[string]uint, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asUint(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = uint(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringFloat32:
+		m := make(map[string]float32, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asFloat32(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringFloat64:
+		m := make(map[string]float64, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asFloat64(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringBool:
+		m := make(map[string]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringString:
+		m := make(map[string]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringInt8:
+		m := make(map[string]int8, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asInt(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = int8(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringInt16:
+		m := make(map[string]int16, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asInt(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = int16(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringInt32:
+		m := make(map[string]int32, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asInt(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = int32(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringInt64:
+		m := make(map[string]int64, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asInt(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringUint8:
+		m := make(map[string]uint8, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asUint(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = uint8(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+	case typeMapStringUint16:
+		m := make(map[string]uint16, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asUint(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = uint16(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringUint32:
+		m := make(map[string]uint32, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asUint(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = uint32(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapStringUint64:
+		m := make(map[string]uint64, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asString(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asUint(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapIntString:
+		m := make(map[int]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt8String:
+		m := make(map[int8]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int8(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt16String:
+		m := make(map[int16]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int16(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt32String:
+		m := make(map[int32]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int32(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt64String:
+		m := make(map[int64]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapIntBool:
+		m := make(map[int]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt8Bool:
+		m := make(map[int8]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int8(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt16Bool:
+		m := make(map[int16]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int16(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt32Bool:
+		m := make(map[int32]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[int32(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapInt64Bool:
+		m := make(map[int64]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asInt(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUintString:
+		m := make(map[uint]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint8String:
+		m := make(map[uint8]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint8(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint16String:
+		m := make(map[uint16]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint16(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint32String:
+		m := make(map[uint32]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint32(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint64String:
+		m := make(map[uint64]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUintBool:
+		m := make(map[uint]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint8Bool:
+		m := make(map[uint8]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint8(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint16Bool:
+		m := make(map[uint16]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint16(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint32Bool:
+		m := make(map[uint32]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[uint32(k)] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapUint64Bool:
+		m := make(map[uint64]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asUint(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapFloat32String:
+		m := make(map[float32]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asFloat32(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapFloat64String:
+		m := make(map[float64]string, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asFloat64(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asString(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapFloat32Bool:
+		m := make(map[float32]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asFloat32(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+
+	case typeMapFloat64Bool:
+		m := make(map[float64]bool, l)
+		for i := 0; i < l; i++ {
+			k, o, err := d.asFloat64(offset, keyKind)
+			if err != nil {
+				return 0, false, err
+			}
+			v, o, err := d.asBool(o, valueKind)
+			if err != nil {
+				return 0, false, err
+			}
+			m[k] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(m))
+		return offset, true, nil
+	}
+
+	return offset, false, nil
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/nil.go

@@ -0,0 +1,7 @@
+package decoding
+
+import "github.com/shamaton/msgpack/v2/def"
+
+func (d *decoder) isCodeNil(v byte) bool {
+	return def.Nil == v
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/read.go

@@ -0,0 +1,34 @@
+package decoding
+
+import (
+	"errors"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) readSize1(index int) (byte, int, error) {
+	rb := def.Byte1
+	if len(d.data) < index+rb {
+		return 0, 0, errors.New("too short bytes")
+	}
+	return d.data[index], index + rb, nil
+}
+
+func (d *decoder) readSize2(index int) ([]byte, int, error) {
+	return d.readSizeN(index, def.Byte2)
+}
+
+func (d *decoder) readSize4(index int) ([]byte, int, error) {
+	return d.readSizeN(index, def.Byte4)
+}
+
+func (d *decoder) readSize8(index int) ([]byte, int, error) {
+	return d.readSizeN(index, def.Byte8)
+}
+
+func (d *decoder) readSizeN(index, n int) ([]byte, int, error) {
+	if len(d.data) < index+n {
+		return emptyBytes, 0, errors.New("too short bytes")
+	}
+	return d.data[index : index+n], index + n, nil
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/slice.go

@@ -0,0 +1,258 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"errors"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+var (
+	typeIntSlice   = reflect.TypeOf([]int{})
+	typeInt8Slice  = reflect.TypeOf([]int8{})
+	typeInt16Slice = reflect.TypeOf([]int16{})
+	typeInt32Slice = reflect.TypeOf([]int32{})
+	typeInt64Slice = reflect.TypeOf([]int64{})
+
+	typeUintSlice   = reflect.TypeOf([]uint{})
+	typeUint8Slice  = reflect.TypeOf([]uint8{})
+	typeUint16Slice = reflect.TypeOf([]uint16{})
+	typeUint32Slice = reflect.TypeOf([]uint32{})
+	typeUint64Slice = reflect.TypeOf([]uint64{})
+
+	typeFloat32Slice = reflect.TypeOf([]float32{})
+	typeFloat64Slice = reflect.TypeOf([]float64{})
+
+	typeStringSlice = reflect.TypeOf([]string{})
+
+	typeBoolSlice = reflect.TypeOf([]bool{})
+)
+
+func (d *decoder) isFixSlice(v byte) bool {
+	return def.FixArray <= v && v <= def.FixArray+0x0f
+}
+
+func (d *decoder) sliceLength(offset int, k reflect.Kind) (int, int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case d.isFixSlice(code):
+		return int(code - def.FixArray), offset, nil
+	case code == def.Array16:
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(binary.BigEndian.Uint16(bs)), offset, nil
+	case code == def.Array32:
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(binary.BigEndian.Uint32(bs)), offset, nil
+	}
+	return 0, 0, d.errorTemplate(code, k)
+}
+
+func (d *decoder) hasRequiredLeastSliceSize(offset, length int) error {
+	// minimum check (byte length)
+	if len(d.data[offset:]) < length {
+		return errors.New("data length lacks to create map")
+	}
+	return nil
+}
+
+func (d *decoder) asFixedSlice(rv reflect.Value, offset int, l int) (int, bool, error) {
+	t := rv.Type()
+	k := t.Elem().Kind()
+
+	switch t {
+	case typeIntSlice:
+		sli := make([]int, l)
+		for i := range sli {
+			v, o, err := d.asInt(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = int(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeUintSlice:
+		sli := make([]uint, l)
+		for i := range sli {
+			v, o, err := d.asUint(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = uint(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeStringSlice:
+		sli := make([]string, l)
+		for i := range sli {
+			v, o, err := d.asString(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeBoolSlice:
+		sli := make([]bool, l)
+		for i := range sli {
+			v, o, err := d.asBool(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeFloat32Slice:
+		sli := make([]float32, l)
+		for i := range sli {
+			v, o, err := d.asFloat32(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeFloat64Slice:
+		sli := make([]float64, l)
+		for i := range sli {
+			v, o, err := d.asFloat64(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeInt8Slice:
+		sli := make([]int8, l)
+		for i := range sli {
+			v, o, err := d.asInt(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = int8(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeInt16Slice:
+		sli := make([]int16, l)
+		for i := range sli {
+			v, o, err := d.asInt(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = int16(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeInt32Slice:
+		sli := make([]int32, l)
+		for i := range sli {
+			v, o, err := d.asInt(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = int32(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeInt64Slice:
+		sli := make([]int64, l)
+		for i := range sli {
+			v, o, err := d.asInt(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeUint8Slice:
+		sli := make([]uint8, l)
+		for i := range sli {
+			v, o, err := d.asUint(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = uint8(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeUint16Slice:
+		sli := make([]uint16, l)
+		for i := range sli {
+			v, o, err := d.asUint(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = uint16(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeUint32Slice:
+		sli := make([]uint32, l)
+		for i := range sli {
+			v, o, err := d.asUint(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = uint32(v)
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+
+	case typeUint64Slice:
+		sli := make([]uint64, l)
+		for i := range sli {
+			v, o, err := d.asUint(offset, k)
+			if err != nil {
+				return 0, false, err
+			}
+			sli[i] = v
+			offset = o
+		}
+		rv.Set(reflect.ValueOf(sli))
+		return offset, true, nil
+	}
+
+	return offset, false, nil
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/string.go

@@ -0,0 +1,77 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+var emptyString = ""
+var emptyBytes = []byte{}
+
+func (d *decoder) isCodeString(code byte) bool {
+	return d.isFixString(code) || code == def.Str8 || code == def.Str16 || code == def.Str32
+}
+
+func (d *decoder) isFixString(v byte) bool {
+	return def.FixStr <= v && v <= def.FixStr+0x1f
+}
+
+func (d *decoder) stringByteLength(offset int, k reflect.Kind) (int, int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	if def.FixStr <= code && code <= def.FixStr+0x1f {
+		l := int(code - def.FixStr)
+		return l, offset, nil
+	} else if code == def.Str8 {
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(b), offset, nil
+	} else if code == def.Str16 {
+		b, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(binary.BigEndian.Uint16(b)), offset, nil
+	} else if code == def.Str32 {
+		b, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return int(binary.BigEndian.Uint32(b)), offset, nil
+	} else if code == def.Nil {
+		return 0, offset, nil
+	}
+	return 0, 0, d.errorTemplate(code, k)
+}
+
+func (d *decoder) asString(offset int, k reflect.Kind) (string, int, error) {
+	bs, offset, err := d.asStringByte(offset, k)
+	if err != nil {
+		return emptyString, 0, err
+	}
+	return string(bs), offset, nil
+}
+
+func (d *decoder) asStringByte(offset int, k reflect.Kind) ([]byte, int, error) {
+	l, offset, err := d.stringByteLength(offset, k)
+	if err != nil {
+		return emptyBytes, 0, err
+	}
+
+	return d.asStringByteByLength(offset, l, k)
+}
+
+func (d *decoder) asStringByteByLength(offset int, l int, k reflect.Kind) ([]byte, int, error) {
+	if l < 1 {
+		return emptyBytes, offset, nil
+	}
+
+	return d.readSizeN(offset, l)
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/struct.go

@@ -0,0 +1,315 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"reflect"
+	"sync"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+type structCacheTypeMap struct {
+	keys    [][]byte
+	indexes []int
+}
+
+type structCacheTypeArray struct {
+	m []int
+}
+
+// struct cache map
+var mapSCTM = sync.Map{}
+var mapSCTA = sync.Map{}
+
+func (d *decoder) setStruct(rv reflect.Value, offset int, k reflect.Kind) (int, error) {
+	/*
+		if d.isDateTime(offset) {
+			dt, offset, err := d.asDateTime(offset, k)
+			if err != nil {
+				return 0, err
+			}
+			rv.Set(reflect.ValueOf(dt))
+			return offset, nil
+		}
+	*/
+
+	for i := range extCoders {
+		if extCoders[i].IsType(offset, &d.data) {
+			v, offset, err := extCoders[i].AsValue(offset, k, &d.data)
+			if err != nil {
+				return 0, err
+			}
+
+			// Validate that the receptacle is of the right value type.
+			if rv.Type() == reflect.TypeOf(v) {
+				rv.Set(reflect.ValueOf(v))
+				return offset, nil
+			}
+		}
+	}
+
+	if d.asArray {
+		return d.setStructFromArray(rv, offset, k)
+	}
+	return d.setStructFromMap(rv, offset, k)
+}
+
+func (d *decoder) setStructFromArray(rv reflect.Value, offset int, k reflect.Kind) (int, error) {
+	// get length
+	l, o, err := d.sliceLength(offset, k)
+	if err != nil {
+		return 0, err
+	}
+
+	if err = d.hasRequiredLeastSliceSize(o, l); err != nil {
+		return 0, err
+	}
+
+	// find or create reference
+	var scta *structCacheTypeArray
+	cache, findCache := mapSCTA.Load(rv.Type())
+	if !findCache {
+		scta = &structCacheTypeArray{}
+		for i := 0; i < rv.NumField(); i++ {
+			if ok, _ := d.CheckField(rv.Type().Field(i)); ok {
+				scta.m = append(scta.m, i)
+			}
+		}
+		mapSCTA.Store(rv.Type(), scta)
+	} else {
+		scta = cache.(*structCacheTypeArray)
+	}
+	// set value
+	for i := 0; i < l; i++ {
+		if i < len(scta.m) {
+			o, err = d.decode(rv.Field(scta.m[i]), o)
+			if err != nil {
+				return 0, err
+			}
+		} else {
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
+		}
+	}
+	return o, nil
+}
+
+func (d *decoder) setStructFromMap(rv reflect.Value, offset int, k reflect.Kind) (int, error) {
+	// get length
+	l, o, err := d.mapLength(offset, k)
+	if err != nil {
+		return 0, err
+	}
+
+	if err = d.hasRequiredLeastMapSize(o, l); err != nil {
+		return 0, err
+	}
+
+	var sctm *structCacheTypeMap
+	cache, cacheFind := mapSCTM.Load(rv.Type())
+	if !cacheFind {
+		sctm = &structCacheTypeMap{}
+		for i := 0; i < rv.NumField(); i++ {
+			if ok, name := d.CheckField(rv.Type().Field(i)); ok {
+				sctm.keys = append(sctm.keys, []byte(name))
+				sctm.indexes = append(sctm.indexes, i)
+			}
+		}
+		mapSCTM.Store(rv.Type(), sctm)
+	} else {
+		sctm = cache.(*structCacheTypeMap)
+	}
+
+	for i := 0; i < l; i++ {
+		dataKey, o2, err := d.asStringByte(o, k)
+		if err != nil {
+			return 0, err
+		}
+
+		fieldIndex := -1
+		for keyIndex, keyBytes := range sctm.keys {
+			if len(keyBytes) != len(dataKey) {
+				continue
+			}
+
+			fieldIndex = sctm.indexes[keyIndex]
+			for dataIndex := range dataKey {
+				if dataKey[dataIndex] != keyBytes[dataIndex] {
+					fieldIndex = -1
+					break
+				}
+			}
+			if fieldIndex >= 0 {
+				break
+			}
+		}
+
+		if fieldIndex >= 0 {
+			o2, err = d.decode(rv.Field(fieldIndex), o2)
+			if err != nil {
+				return 0, err
+			}
+		} else {
+			o2, err = d.jumpOffset(o2)
+			if err != nil {
+				return 0, err
+			}
+		}
+		o = o2
+	}
+	return o, nil
+}
+
+func (d *decoder) jumpOffset(offset int) (int, error) {
+	code, offset, err := d.readSize1(offset)
+	if err != nil {
+		return 0, err
+	}
+
+	switch {
+	case code == def.True, code == def.False, code == def.Nil:
+		// do nothing
+
+	case d.isPositiveFixNum(code) || d.isNegativeFixNum(code):
+		// do nothing
+	case code == def.Uint8, code == def.Int8:
+		offset += def.Byte1
+	case code == def.Uint16, code == def.Int16:
+		offset += def.Byte2
+	case code == def.Uint32, code == def.Int32, code == def.Float32:
+		offset += def.Byte4
+	case code == def.Uint64, code == def.Int64, code == def.Float64:
+		offset += def.Byte8
+
+	case d.isFixString(code):
+		offset += int(code - def.FixStr)
+	case code == def.Str8, code == def.Bin8:
+		b, o, err := d.readSize1(offset)
+		if err != nil {
+			return 0, err
+		}
+		o += int(b)
+		offset = o
+	case code == def.Str16, code == def.Bin16:
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
+		o += int(binary.BigEndian.Uint16(bs))
+		offset = o
+	case code == def.Str32, code == def.Bin32:
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
+		o += int(binary.BigEndian.Uint32(bs))
+		offset = o
+
+	case d.isFixSlice(code):
+		l := int(code - def.FixArray)
+		for i := 0; i < l; i++ {
+			offset, err = d.jumpOffset(offset)
+			if err != nil {
+				return 0, err
+			}
+		}
+	case code == def.Array16:
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
+		l := int(binary.BigEndian.Uint16(bs))
+		for i := 0; i < l; i++ {
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
+		}
+		offset = o
+	case code == def.Array32:
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
+		l := int(binary.BigEndian.Uint32(bs))
+		for i := 0; i < l; i++ {
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
+		}
+		offset = o
+
+	case d.isFixMap(code):
+		l := int(code - def.FixMap)
+		for i := 0; i < l*2; i++ {
+			offset, err = d.jumpOffset(offset)
+			if err != nil {
+				return 0, err
+			}
+		}
+	case code == def.Map16:
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
+		l := int(binary.BigEndian.Uint16(bs))
+		for i := 0; i < l*2; i++ {
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
+		}
+		offset = o
+	case code == def.Map32:
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
+		l := int(binary.BigEndian.Uint32(bs))
+		for i := 0; i < l*2; i++ {
+			o, err = d.jumpOffset(o)
+			if err != nil {
+				return 0, err
+			}
+		}
+		offset = o
+
+	case code == def.Fixext1:
+		offset += def.Byte1 + def.Byte1
+	case code == def.Fixext2:
+		offset += def.Byte1 + def.Byte2
+	case code == def.Fixext4:
+		offset += def.Byte1 + def.Byte4
+	case code == def.Fixext8:
+		offset += def.Byte1 + def.Byte8
+	case code == def.Fixext16:
+		offset += def.Byte1 + def.Byte16
+
+	case code == def.Ext8:
+		b, o, err := d.readSize1(offset)
+		if err != nil {
+			return 0, err
+		}
+		o += def.Byte1 + int(b)
+		offset = o
+	case code == def.Ext16:
+		bs, o, err := d.readSize2(offset)
+		if err != nil {
+			return 0, err
+		}
+		o += def.Byte1 + int(binary.BigEndian.Uint16(bs))
+		offset = o
+	case code == def.Ext32:
+		bs, o, err := d.readSize4(offset)
+		if err != nil {
+			return 0, err
+		}
+		o += def.Byte1 + int(binary.BigEndian.Uint32(bs))
+		offset = o
+
+	}
+	return offset, nil
+}

vendor/github.com/shamaton/msgpack/v2/internal/decoding/uint.go

@@ -0,0 +1,106 @@
+package decoding
+
+import (
+	"encoding/binary"
+	"reflect"
+
+	"github.com/shamaton/msgpack/v2/def"
+)
+
+func (d *decoder) asUint(offset int, k reflect.Kind) (uint64, int, error) {
+
+	code, _, err := d.readSize1(offset)
+	if err != nil {
+		return 0, 0, err
+	}
+
+	switch {
+	case d.isPositiveFixNum(code):
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return uint64(b), offset, nil
+
+	case d.isNegativeFixNum(code):
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return uint64(int8(b)), offset, nil
+
+	case code == def.Uint8:
+		offset++
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return uint64(uint8(b)), offset, nil
+
+	case code == def.Int8:
+		offset++
+		b, offset, err := d.readSize1(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return uint64(int8(b)), offset, nil
+
+	case code == def.Uint16:
+		offset++
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := binary.BigEndian.Uint16(bs)
+		return uint64(v), offset, nil
+
+	case code == def.Int16:
+		offset++
+		bs, offset, err := d.readSize2(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := int16(binary.BigEndian.Uint16(bs))
+		return uint64(v), offset, nil
+
+	case code == def.Uint32:
+		offset++
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := binary.BigEndian.Uint32(bs)
+		return uint64(v), offset, nil
+
+	case code == def.Int32:
+		offset++
+		bs, offset, err := d.readSize4(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		v := int32(binary.BigEndian.Uint32(bs))
+		return uint64(v), offset, nil
+
+	case code == def.Uint64:
+		offset++
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return binary.BigEndian.Uint64(bs), offset, nil
+
+	case code == def.Int64:
+		offset++
+		bs, offset, err := d.readSize8(offset)
+		if err != nil {
+			return 0, 0, err
+		}
+		return binary.BigEndian.Uint64(bs), offset, nil
+
+	case code == def.Nil:
+		offset++
+		return 0, offset, nil
+	}
+
+	return 0, 0, d.errorTemplate(code, k)
+}