Dependencies for the affinity router and the
affinity routing daemon.
Change-Id: Icda72c3594ef7f8f0bc0c33dc03087a4c25529ca
diff --git a/vendor/github.com/ugorji/go/codec/cbor.go b/vendor/github.com/ugorji/go/codec/cbor.go
new file mode 100644
index 0000000..7633c04
--- /dev/null
+++ b/vendor/github.com/ugorji/go/codec/cbor.go
@@ -0,0 +1,756 @@
+// Copyright (c) 2012-2018 Ugorji Nwoke. All rights reserved.
+// Use of this source code is governed by a MIT license found in the LICENSE file.
+
+package codec
+
+import (
+ "math"
+ "reflect"
+ "time"
+)
+
+const (
+ cborMajorUint byte = iota
+ cborMajorNegInt
+ cborMajorBytes
+ cborMajorText
+ cborMajorArray
+ cborMajorMap
+ cborMajorTag
+ cborMajorOther
+)
+
+const (
+ cborBdFalse byte = 0xf4 + iota
+ cborBdTrue
+ cborBdNil
+ cborBdUndefined
+ cborBdExt
+ cborBdFloat16
+ cborBdFloat32
+ cborBdFloat64
+)
+
+const (
+ cborBdIndefiniteBytes byte = 0x5f
+ cborBdIndefiniteString = 0x7f
+ cborBdIndefiniteArray = 0x9f
+ cborBdIndefiniteMap = 0xbf
+ cborBdBreak = 0xff
+)
+
+// These define some in-stream descriptors for
+// manual encoding e.g. when doing explicit indefinite-length
+const (
+ CborStreamBytes byte = 0x5f
+ CborStreamString = 0x7f
+ CborStreamArray = 0x9f
+ CborStreamMap = 0xbf
+ CborStreamBreak = 0xff
+)
+
+const (
+ cborBaseUint byte = 0x00
+ cborBaseNegInt = 0x20
+ cborBaseBytes = 0x40
+ cborBaseString = 0x60
+ cborBaseArray = 0x80
+ cborBaseMap = 0xa0
+ cborBaseTag = 0xc0
+ cborBaseSimple = 0xe0
+)
+
+func cbordesc(bd byte) string {
+ switch bd {
+ case cborBdNil:
+ return "nil"
+ case cborBdFalse:
+ return "false"
+ case cborBdTrue:
+ return "true"
+ case cborBdFloat16, cborBdFloat32, cborBdFloat64:
+ return "float"
+ case cborBdIndefiniteBytes:
+ return "bytes*"
+ case cborBdIndefiniteString:
+ return "string*"
+ case cborBdIndefiniteArray:
+ return "array*"
+ case cborBdIndefiniteMap:
+ return "map*"
+ default:
+ switch {
+ case bd >= cborBaseUint && bd < cborBaseNegInt:
+ return "(u)int"
+ case bd >= cborBaseNegInt && bd < cborBaseBytes:
+ return "int"
+ case bd >= cborBaseBytes && bd < cborBaseString:
+ return "bytes"
+ case bd >= cborBaseString && bd < cborBaseArray:
+ return "string"
+ case bd >= cborBaseArray && bd < cborBaseMap:
+ return "array"
+ case bd >= cborBaseMap && bd < cborBaseTag:
+ return "map"
+ case bd >= cborBaseTag && bd < cborBaseSimple:
+ return "ext"
+ default:
+ return "unknown"
+ }
+ }
+}
+
+// -------------------
+
+type cborEncDriver struct {
+ noBuiltInTypes
+ encDriverNoopContainerWriter
+ // encNoSeparator
+ e *Encoder
+ w encWriter
+ h *CborHandle
+ x [8]byte
+ _ [3]uint64 // padding
+}
+
+func (e *cborEncDriver) EncodeNil() {
+ e.w.writen1(cborBdNil)
+}
+
+func (e *cborEncDriver) EncodeBool(b bool) {
+ if b {
+ e.w.writen1(cborBdTrue)
+ } else {
+ e.w.writen1(cborBdFalse)
+ }
+}
+
+func (e *cborEncDriver) EncodeFloat32(f float32) {
+ e.w.writen1(cborBdFloat32)
+ bigenHelper{e.x[:4], e.w}.writeUint32(math.Float32bits(f))
+}
+
+func (e *cborEncDriver) EncodeFloat64(f float64) {
+ e.w.writen1(cborBdFloat64)
+ bigenHelper{e.x[:8], e.w}.writeUint64(math.Float64bits(f))
+}
+
+func (e *cborEncDriver) encUint(v uint64, bd byte) {
+ if v <= 0x17 {
+ e.w.writen1(byte(v) + bd)
+ } else if v <= math.MaxUint8 {
+ e.w.writen2(bd+0x18, uint8(v))
+ } else if v <= math.MaxUint16 {
+ e.w.writen1(bd + 0x19)
+ bigenHelper{e.x[:2], e.w}.writeUint16(uint16(v))
+ } else if v <= math.MaxUint32 {
+ e.w.writen1(bd + 0x1a)
+ bigenHelper{e.x[:4], e.w}.writeUint32(uint32(v))
+ } else { // if v <= math.MaxUint64 {
+ e.w.writen1(bd + 0x1b)
+ bigenHelper{e.x[:8], e.w}.writeUint64(v)
+ }
+}
+
+func (e *cborEncDriver) EncodeInt(v int64) {
+ if v < 0 {
+ e.encUint(uint64(-1-v), cborBaseNegInt)
+ } else {
+ e.encUint(uint64(v), cborBaseUint)
+ }
+}
+
+func (e *cborEncDriver) EncodeUint(v uint64) {
+ e.encUint(v, cborBaseUint)
+}
+
+func (e *cborEncDriver) encLen(bd byte, length int) {
+ e.encUint(uint64(length), bd)
+}
+
+func (e *cborEncDriver) EncodeTime(t time.Time) {
+ if t.IsZero() {
+ e.EncodeNil()
+ } else if e.h.TimeRFC3339 {
+ e.encUint(0, cborBaseTag)
+ e.EncodeString(cUTF8, t.Format(time.RFC3339Nano))
+ } else {
+ e.encUint(1, cborBaseTag)
+ t = t.UTC().Round(time.Microsecond)
+ sec, nsec := t.Unix(), uint64(t.Nanosecond())
+ if nsec == 0 {
+ e.EncodeInt(sec)
+ } else {
+ e.EncodeFloat64(float64(sec) + float64(nsec)/1e9)
+ }
+ }
+}
+
+func (e *cborEncDriver) EncodeExt(rv interface{}, xtag uint64, ext Ext, en *Encoder) {
+ e.encUint(uint64(xtag), cborBaseTag)
+ if v := ext.ConvertExt(rv); v == nil {
+ e.EncodeNil()
+ } else {
+ en.encode(v)
+ }
+}
+
+func (e *cborEncDriver) EncodeRawExt(re *RawExt, en *Encoder) {
+ e.encUint(uint64(re.Tag), cborBaseTag)
+ if false && re.Data != nil {
+ en.encode(re.Data)
+ } else if re.Value != nil {
+ en.encode(re.Value)
+ } else {
+ e.EncodeNil()
+ }
+}
+
+func (e *cborEncDriver) WriteArrayStart(length int) {
+ if e.h.IndefiniteLength {
+ e.w.writen1(cborBdIndefiniteArray)
+ } else {
+ e.encLen(cborBaseArray, length)
+ }
+}
+
+func (e *cborEncDriver) WriteMapStart(length int) {
+ if e.h.IndefiniteLength {
+ e.w.writen1(cborBdIndefiniteMap)
+ } else {
+ e.encLen(cborBaseMap, length)
+ }
+}
+
+func (e *cborEncDriver) WriteMapEnd() {
+ if e.h.IndefiniteLength {
+ e.w.writen1(cborBdBreak)
+ }
+}
+
+func (e *cborEncDriver) WriteArrayEnd() {
+ if e.h.IndefiniteLength {
+ e.w.writen1(cborBdBreak)
+ }
+}
+
+func (e *cborEncDriver) EncodeString(c charEncoding, v string) {
+ e.encStringBytesS(cborBaseString, v)
+}
+
+func (e *cborEncDriver) EncodeStringBytes(c charEncoding, v []byte) {
+ if v == nil {
+ e.EncodeNil()
+ } else if c == cRAW {
+ e.encStringBytesS(cborBaseBytes, stringView(v))
+ } else {
+ e.encStringBytesS(cborBaseString, stringView(v))
+ }
+}
+
+func (e *cborEncDriver) encStringBytesS(bb byte, v string) {
+ if e.h.IndefiniteLength {
+ if bb == cborBaseBytes {
+ e.w.writen1(cborBdIndefiniteBytes)
+ } else {
+ e.w.writen1(cborBdIndefiniteString)
+ }
+ blen := len(v) / 4
+ if blen == 0 {
+ blen = 64
+ } else if blen > 1024 {
+ blen = 1024
+ }
+ for i := 0; i < len(v); {
+ var v2 string
+ i2 := i + blen
+ if i2 < len(v) {
+ v2 = v[i:i2]
+ } else {
+ v2 = v[i:]
+ }
+ e.encLen(bb, len(v2))
+ e.w.writestr(v2)
+ i = i2
+ }
+ e.w.writen1(cborBdBreak)
+ } else {
+ e.encLen(bb, len(v))
+ e.w.writestr(v)
+ }
+}
+
+// ----------------------
+
+type cborDecDriver struct {
+ d *Decoder
+ h *CborHandle
+ r decReader
+ // b [scratchByteArrayLen]byte
+ br bool // bytes reader
+ bdRead bool
+ bd byte
+ noBuiltInTypes
+ // decNoSeparator
+ decDriverNoopContainerReader
+ _ [3]uint64 // padding
+}
+
+func (d *cborDecDriver) readNextBd() {
+ d.bd = d.r.readn1()
+ d.bdRead = true
+}
+
+func (d *cborDecDriver) uncacheRead() {
+ if d.bdRead {
+ d.r.unreadn1()
+ d.bdRead = false
+ }
+}
+
+func (d *cborDecDriver) ContainerType() (vt valueType) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ if d.bd == cborBdNil {
+ return valueTypeNil
+ } else if d.bd == cborBdIndefiniteBytes || (d.bd >= cborBaseBytes && d.bd < cborBaseString) {
+ return valueTypeBytes
+ } else if d.bd == cborBdIndefiniteString || (d.bd >= cborBaseString && d.bd < cborBaseArray) {
+ return valueTypeString
+ } else if d.bd == cborBdIndefiniteArray || (d.bd >= cborBaseArray && d.bd < cborBaseMap) {
+ return valueTypeArray
+ } else if d.bd == cborBdIndefiniteMap || (d.bd >= cborBaseMap && d.bd < cborBaseTag) {
+ return valueTypeMap
+ }
+ // else {
+ // d.d.errorf("isContainerType: unsupported parameter: %v", vt)
+ // }
+ return valueTypeUnset
+}
+
+func (d *cborDecDriver) TryDecodeAsNil() bool {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ // treat Nil and Undefined as nil values
+ if d.bd == cborBdNil || d.bd == cborBdUndefined {
+ d.bdRead = false
+ return true
+ }
+ return false
+}
+
+func (d *cborDecDriver) CheckBreak() bool {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ if d.bd == cborBdBreak {
+ d.bdRead = false
+ return true
+ }
+ return false
+}
+
+func (d *cborDecDriver) decUint() (ui uint64) {
+ v := d.bd & 0x1f
+ if v <= 0x17 {
+ ui = uint64(v)
+ } else {
+ if v == 0x18 {
+ ui = uint64(d.r.readn1())
+ } else if v == 0x19 {
+ ui = uint64(bigen.Uint16(d.r.readx(2)))
+ } else if v == 0x1a {
+ ui = uint64(bigen.Uint32(d.r.readx(4)))
+ } else if v == 0x1b {
+ ui = uint64(bigen.Uint64(d.r.readx(8)))
+ } else {
+ d.d.errorf("invalid descriptor decoding uint: %x/%s", d.bd, cbordesc(d.bd))
+ return
+ }
+ }
+ return
+}
+
+func (d *cborDecDriver) decCheckInteger() (neg bool) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ major := d.bd >> 5
+ if major == cborMajorUint {
+ } else if major == cborMajorNegInt {
+ neg = true
+ } else {
+ d.d.errorf("not an integer - invalid major %v from descriptor %x/%s", major, d.bd, cbordesc(d.bd))
+ return
+ }
+ return
+}
+
+func (d *cborDecDriver) DecodeInt64() (i int64) {
+ neg := d.decCheckInteger()
+ ui := d.decUint()
+ // check if this number can be converted to an int without overflow
+ if neg {
+ i = -(chkOvf.SignedIntV(ui + 1))
+ } else {
+ i = chkOvf.SignedIntV(ui)
+ }
+ d.bdRead = false
+ return
+}
+
+func (d *cborDecDriver) DecodeUint64() (ui uint64) {
+ if d.decCheckInteger() {
+ d.d.errorf("assigning negative signed value to unsigned type")
+ return
+ }
+ ui = d.decUint()
+ d.bdRead = false
+ return
+}
+
+func (d *cborDecDriver) DecodeFloat64() (f float64) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ if bd := d.bd; bd == cborBdFloat16 {
+ f = float64(math.Float32frombits(halfFloatToFloatBits(bigen.Uint16(d.r.readx(2)))))
+ } else if bd == cborBdFloat32 {
+ f = float64(math.Float32frombits(bigen.Uint32(d.r.readx(4))))
+ } else if bd == cborBdFloat64 {
+ f = math.Float64frombits(bigen.Uint64(d.r.readx(8)))
+ } else if bd >= cborBaseUint && bd < cborBaseBytes {
+ f = float64(d.DecodeInt64())
+ } else {
+ d.d.errorf("float only valid from float16/32/64 - invalid descriptor %x/%s", bd, cbordesc(bd))
+ return
+ }
+ d.bdRead = false
+ return
+}
+
+// bool can be decoded from bool only (single byte).
+func (d *cborDecDriver) DecodeBool() (b bool) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ if bd := d.bd; bd == cborBdTrue {
+ b = true
+ } else if bd == cborBdFalse {
+ } else {
+ d.d.errorf("not bool - %s %x/%s", msgBadDesc, d.bd, cbordesc(d.bd))
+ return
+ }
+ d.bdRead = false
+ return
+}
+
+func (d *cborDecDriver) ReadMapStart() (length int) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ d.bdRead = false
+ if d.bd == cborBdIndefiniteMap {
+ return -1
+ }
+ return d.decLen()
+}
+
+func (d *cborDecDriver) ReadArrayStart() (length int) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ d.bdRead = false
+ if d.bd == cborBdIndefiniteArray {
+ return -1
+ }
+ return d.decLen()
+}
+
+func (d *cborDecDriver) decLen() int {
+ return int(d.decUint())
+}
+
+func (d *cborDecDriver) decAppendIndefiniteBytes(bs []byte) []byte {
+ d.bdRead = false
+ for {
+ if d.CheckBreak() {
+ break
+ }
+ if major := d.bd >> 5; major != cborMajorBytes && major != cborMajorText {
+ d.d.errorf("expect bytes/string major type in indefinite string/bytes;"+
+ " got major %v from descriptor %x/%x", major, d.bd, cbordesc(d.bd))
+ return nil
+ }
+ n := d.decLen()
+ oldLen := len(bs)
+ newLen := oldLen + n
+ if newLen > cap(bs) {
+ bs2 := make([]byte, newLen, 2*cap(bs)+n)
+ copy(bs2, bs)
+ bs = bs2
+ } else {
+ bs = bs[:newLen]
+ }
+ d.r.readb(bs[oldLen:newLen])
+ // bs = append(bs, d.r.readn()...)
+ d.bdRead = false
+ }
+ d.bdRead = false
+ return bs
+}
+
+func (d *cborDecDriver) DecodeBytes(bs []byte, zerocopy bool) (bsOut []byte) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ if d.bd == cborBdNil || d.bd == cborBdUndefined {
+ d.bdRead = false
+ return nil
+ }
+ if d.bd == cborBdIndefiniteBytes || d.bd == cborBdIndefiniteString {
+ d.bdRead = false
+ if bs == nil {
+ if zerocopy {
+ return d.decAppendIndefiniteBytes(d.d.b[:0])
+ }
+ return d.decAppendIndefiniteBytes(zeroByteSlice)
+ }
+ return d.decAppendIndefiniteBytes(bs[:0])
+ }
+ // check if an "array" of uint8's (see ContainerType for how to infer if an array)
+ if d.bd == cborBdIndefiniteArray || (d.bd >= cborBaseArray && d.bd < cborBaseMap) {
+ bsOut, _ = fastpathTV.DecSliceUint8V(bs, true, d.d)
+ return
+ }
+ clen := d.decLen()
+ d.bdRead = false
+ if zerocopy {
+ if d.br {
+ return d.r.readx(clen)
+ } else if len(bs) == 0 {
+ bs = d.d.b[:]
+ }
+ }
+ return decByteSlice(d.r, clen, d.h.MaxInitLen, bs)
+}
+
+func (d *cborDecDriver) DecodeString() (s string) {
+ return string(d.DecodeBytes(d.d.b[:], true))
+}
+
+func (d *cborDecDriver) DecodeStringAsBytes() (s []byte) {
+ return d.DecodeBytes(d.d.b[:], true)
+}
+
+func (d *cborDecDriver) DecodeTime() (t time.Time) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ if d.bd == cborBdNil || d.bd == cborBdUndefined {
+ d.bdRead = false
+ return
+ }
+ xtag := d.decUint()
+ d.bdRead = false
+ return d.decodeTime(xtag)
+}
+
+func (d *cborDecDriver) decodeTime(xtag uint64) (t time.Time) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ switch xtag {
+ case 0:
+ var err error
+ if t, err = time.Parse(time.RFC3339, stringView(d.DecodeStringAsBytes())); err != nil {
+ d.d.errorv(err)
+ }
+ case 1:
+ // decode an int64 or a float, and infer time.Time from there.
+ // for floats, round to microseconds, as that is what is guaranteed to fit well.
+ switch {
+ case d.bd == cborBdFloat16, d.bd == cborBdFloat32:
+ f1, f2 := math.Modf(d.DecodeFloat64())
+ t = time.Unix(int64(f1), int64(f2*1e9))
+ case d.bd == cborBdFloat64:
+ f1, f2 := math.Modf(d.DecodeFloat64())
+ t = time.Unix(int64(f1), int64(f2*1e9))
+ case d.bd >= cborBaseUint && d.bd < cborBaseNegInt,
+ d.bd >= cborBaseNegInt && d.bd < cborBaseBytes:
+ t = time.Unix(d.DecodeInt64(), 0)
+ default:
+ d.d.errorf("time.Time can only be decoded from a number (or RFC3339 string)")
+ }
+ default:
+ d.d.errorf("invalid tag for time.Time - expecting 0 or 1, got 0x%x", xtag)
+ }
+ t = t.UTC().Round(time.Microsecond)
+ return
+}
+
+func (d *cborDecDriver) DecodeExt(rv interface{}, xtag uint64, ext Ext) (realxtag uint64) {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+ u := d.decUint()
+ d.bdRead = false
+ realxtag = u
+ if ext == nil {
+ re := rv.(*RawExt)
+ re.Tag = realxtag
+ d.d.decode(&re.Value)
+ } else if xtag != realxtag {
+ d.d.errorf("Wrong extension tag. Got %b. Expecting: %v", realxtag, xtag)
+ return
+ } else {
+ var v interface{}
+ d.d.decode(&v)
+ ext.UpdateExt(rv, v)
+ }
+ d.bdRead = false
+ return
+}
+
+func (d *cborDecDriver) DecodeNaked() {
+ if !d.bdRead {
+ d.readNextBd()
+ }
+
+ n := d.d.n
+ var decodeFurther bool
+
+ switch d.bd {
+ case cborBdNil:
+ n.v = valueTypeNil
+ case cborBdFalse:
+ n.v = valueTypeBool
+ n.b = false
+ case cborBdTrue:
+ n.v = valueTypeBool
+ n.b = true
+ case cborBdFloat16, cborBdFloat32, cborBdFloat64:
+ n.v = valueTypeFloat
+ n.f = d.DecodeFloat64()
+ case cborBdIndefiniteBytes:
+ n.v = valueTypeBytes
+ n.l = d.DecodeBytes(nil, false)
+ case cborBdIndefiniteString:
+ n.v = valueTypeString
+ n.s = d.DecodeString()
+ case cborBdIndefiniteArray:
+ n.v = valueTypeArray
+ decodeFurther = true
+ case cborBdIndefiniteMap:
+ n.v = valueTypeMap
+ decodeFurther = true
+ default:
+ switch {
+ case d.bd >= cborBaseUint && d.bd < cborBaseNegInt:
+ if d.h.SignedInteger {
+ n.v = valueTypeInt
+ n.i = d.DecodeInt64()
+ } else {
+ n.v = valueTypeUint
+ n.u = d.DecodeUint64()
+ }
+ case d.bd >= cborBaseNegInt && d.bd < cborBaseBytes:
+ n.v = valueTypeInt
+ n.i = d.DecodeInt64()
+ case d.bd >= cborBaseBytes && d.bd < cborBaseString:
+ n.v = valueTypeBytes
+ n.l = d.DecodeBytes(nil, false)
+ case d.bd >= cborBaseString && d.bd < cborBaseArray:
+ n.v = valueTypeString
+ n.s = d.DecodeString()
+ case d.bd >= cborBaseArray && d.bd < cborBaseMap:
+ n.v = valueTypeArray
+ decodeFurther = true
+ case d.bd >= cborBaseMap && d.bd < cborBaseTag:
+ n.v = valueTypeMap
+ decodeFurther = true
+ case d.bd >= cborBaseTag && d.bd < cborBaseSimple:
+ n.v = valueTypeExt
+ n.u = d.decUint()
+ n.l = nil
+ if n.u == 0 || n.u == 1 {
+ d.bdRead = false
+ n.v = valueTypeTime
+ n.t = d.decodeTime(n.u)
+ }
+ // d.bdRead = false
+ // d.d.decode(&re.Value) // handled by decode itself.
+ // decodeFurther = true
+ default:
+ d.d.errorf("decodeNaked: Unrecognized d.bd: 0x%x", d.bd)
+ return
+ }
+ }
+
+ if !decodeFurther {
+ d.bdRead = false
+ }
+ return
+}
+
+// -------------------------
+
+// CborHandle is a Handle for the CBOR encoding format,
+// defined at http://tools.ietf.org/html/rfc7049 and documented further at http://cbor.io .
+//
+// CBOR is comprehensively supported, including support for:
+// - indefinite-length arrays/maps/bytes/strings
+// - (extension) tags in range 0..0xffff (0 .. 65535)
+// - half, single and double-precision floats
+// - all numbers (1, 2, 4 and 8-byte signed and unsigned integers)
+// - nil, true, false, ...
+// - arrays and maps, bytes and text strings
+//
+// None of the optional extensions (with tags) defined in the spec are supported out-of-the-box.
+// Users can implement them as needed (using SetExt), including spec-documented ones:
+// - timestamp, BigNum, BigFloat, Decimals,
+// - Encoded Text (e.g. URL, regexp, base64, MIME Message), etc.
+type CborHandle struct {
+ binaryEncodingType
+ noElemSeparators
+ BasicHandle
+
+ // IndefiniteLength=true, means that we encode using indefinitelength
+ IndefiniteLength bool
+
+ // TimeRFC3339 says to encode time.Time using RFC3339 format.
+ // If unset, we encode time.Time using seconds past epoch.
+ TimeRFC3339 bool
+
+ // _ [1]uint64 // padding
+}
+
+// Name returns the name of the handle: cbor
+func (h *CborHandle) Name() string { return "cbor" }
+
+// SetInterfaceExt sets an extension
+func (h *CborHandle) SetInterfaceExt(rt reflect.Type, tag uint64, ext InterfaceExt) (err error) {
+ return h.SetExt(rt, tag, &extWrapper{bytesExtFailer{}, ext})
+}
+
+func (h *CborHandle) newEncDriver(e *Encoder) encDriver {
+ return &cborEncDriver{e: e, w: e.w, h: h}
+}
+
+func (h *CborHandle) newDecDriver(d *Decoder) decDriver {
+ return &cborDecDriver{d: d, h: h, r: d.r, br: d.bytes}
+}
+
+func (e *cborEncDriver) reset() {
+ e.w = e.e.w
+}
+
+func (d *cborDecDriver) reset() {
+ d.r, d.br = d.d.r, d.d.bytes
+ d.bd, d.bdRead = 0, false
+}
+
+var _ decDriver = (*cborDecDriver)(nil)
+var _ encDriver = (*cborEncDriver)(nil)