diff options
Diffstat (limited to 'kube2msb/src/vendor/github.com/ugorji/go/codec/binc.go')
| -rw-r--r-- | kube2msb/src/vendor/github.com/ugorji/go/codec/binc.go | 922 |
1 files changed, 0 insertions, 922 deletions
diff --git a/kube2msb/src/vendor/github.com/ugorji/go/codec/binc.go b/kube2msb/src/vendor/github.com/ugorji/go/codec/binc.go deleted file mode 100644 index 766d26c..0000000 --- a/kube2msb/src/vendor/github.com/ugorji/go/codec/binc.go +++ /dev/null @@ -1,922 +0,0 @@ -// Copyright (c) 2012-2015 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 bincDoPrune = true // No longer needed. Needed before as C lib did not support pruning. - -// vd as low 4 bits (there are 16 slots) -const ( - bincVdSpecial byte = iota - bincVdPosInt - bincVdNegInt - bincVdFloat - - bincVdString - bincVdByteArray - bincVdArray - bincVdMap - - bincVdTimestamp - bincVdSmallInt - bincVdUnicodeOther - bincVdSymbol - - bincVdDecimal - _ // open slot - _ // open slot - bincVdCustomExt = 0x0f -) - -const ( - bincSpNil byte = iota - bincSpFalse - bincSpTrue - bincSpNan - bincSpPosInf - bincSpNegInf - bincSpZeroFloat - bincSpZero - bincSpNegOne -) - -const ( - bincFlBin16 byte = iota - bincFlBin32 - _ // bincFlBin32e - bincFlBin64 - _ // bincFlBin64e - // others not currently supported -) - -type bincEncDriver struct { - e *Encoder - w encWriter - m map[string]uint16 // symbols - b [scratchByteArrayLen]byte - s uint16 // symbols sequencer - encNoSeparator -} - -func (e *bincEncDriver) IsBuiltinType(rt uintptr) bool { - return rt == timeTypId -} - -func (e *bincEncDriver) EncodeBuiltin(rt uintptr, v interface{}) { - if rt == timeTypId { - var bs []byte - switch x := v.(type) { - case time.Time: - bs = encodeTime(x) - case *time.Time: - bs = encodeTime(*x) - default: - e.e.errorf("binc error encoding builtin: expect time.Time, received %T", v) - } - e.w.writen1(bincVdTimestamp<<4 | uint8(len(bs))) - e.w.writeb(bs) - } -} - -func (e *bincEncDriver) EncodeNil() { - e.w.writen1(bincVdSpecial<<4 | bincSpNil) -} - -func (e *bincEncDriver) EncodeBool(b bool) { - if b { - e.w.writen1(bincVdSpecial<<4 | bincSpTrue) - } else { - e.w.writen1(bincVdSpecial<<4 | bincSpFalse) - } -} - -func (e *bincEncDriver) EncodeFloat32(f float32) { - if f == 0 { - e.w.writen1(bincVdSpecial<<4 | bincSpZeroFloat) - return - } - e.w.writen1(bincVdFloat<<4 | bincFlBin32) - bigenHelper{e.b[:4], e.w}.writeUint32(math.Float32bits(f)) -} - -func (e *bincEncDriver) EncodeFloat64(f float64) { - if f == 0 { - e.w.writen1(bincVdSpecial<<4 | bincSpZeroFloat) - return - } - bigen.PutUint64(e.b[:8], math.Float64bits(f)) - if bincDoPrune { - i := 7 - for ; i >= 0 && (e.b[i] == 0); i-- { - } - i++ - if i <= 6 { - e.w.writen1(bincVdFloat<<4 | 0x8 | bincFlBin64) - e.w.writen1(byte(i)) - e.w.writeb(e.b[:i]) - return - } - } - e.w.writen1(bincVdFloat<<4 | bincFlBin64) - e.w.writeb(e.b[:8]) -} - -func (e *bincEncDriver) encIntegerPrune(bd byte, pos bool, v uint64, lim uint8) { - if lim == 4 { - bigen.PutUint32(e.b[:lim], uint32(v)) - } else { - bigen.PutUint64(e.b[:lim], v) - } - if bincDoPrune { - i := pruneSignExt(e.b[:lim], pos) - e.w.writen1(bd | lim - 1 - byte(i)) - e.w.writeb(e.b[i:lim]) - } else { - e.w.writen1(bd | lim - 1) - e.w.writeb(e.b[:lim]) - } -} - -func (e *bincEncDriver) EncodeInt(v int64) { - const nbd byte = bincVdNegInt << 4 - if v >= 0 { - e.encUint(bincVdPosInt<<4, true, uint64(v)) - } else if v == -1 { - e.w.writen1(bincVdSpecial<<4 | bincSpNegOne) - } else { - e.encUint(bincVdNegInt<<4, false, uint64(-v)) - } -} - -func (e *bincEncDriver) EncodeUint(v uint64) { - e.encUint(bincVdPosInt<<4, true, v) -} - -func (e *bincEncDriver) encUint(bd byte, pos bool, v uint64) { - if v == 0 { - e.w.writen1(bincVdSpecial<<4 | bincSpZero) - } else if pos && v >= 1 && v <= 16 { - e.w.writen1(bincVdSmallInt<<4 | byte(v-1)) - } else if v <= math.MaxUint8 { - e.w.writen2(bd|0x0, byte(v)) - } else if v <= math.MaxUint16 { - e.w.writen1(bd | 0x01) - bigenHelper{e.b[:2], e.w}.writeUint16(uint16(v)) - } else if v <= math.MaxUint32 { - e.encIntegerPrune(bd, pos, v, 4) - } else { - e.encIntegerPrune(bd, pos, v, 8) - } -} - -func (e *bincEncDriver) EncodeExt(rv interface{}, xtag uint64, ext Ext, _ *Encoder) { - bs := ext.WriteExt(rv) - if bs == nil { - e.EncodeNil() - return - } - e.encodeExtPreamble(uint8(xtag), len(bs)) - e.w.writeb(bs) -} - -func (e *bincEncDriver) EncodeRawExt(re *RawExt, _ *Encoder) { - e.encodeExtPreamble(uint8(re.Tag), len(re.Data)) - e.w.writeb(re.Data) -} - -func (e *bincEncDriver) encodeExtPreamble(xtag byte, length int) { - e.encLen(bincVdCustomExt<<4, uint64(length)) - e.w.writen1(xtag) -} - -func (e *bincEncDriver) EncodeArrayStart(length int) { - e.encLen(bincVdArray<<4, uint64(length)) -} - -func (e *bincEncDriver) EncodeMapStart(length int) { - e.encLen(bincVdMap<<4, uint64(length)) -} - -func (e *bincEncDriver) EncodeString(c charEncoding, v string) { - l := uint64(len(v)) - e.encBytesLen(c, l) - if l > 0 { - e.w.writestr(v) - } -} - -func (e *bincEncDriver) EncodeSymbol(v string) { - // if WriteSymbolsNoRefs { - // e.encodeString(c_UTF8, v) - // return - // } - - //symbols only offer benefit when string length > 1. - //This is because strings with length 1 take only 2 bytes to store - //(bd with embedded length, and single byte for string val). - - l := len(v) - if l == 0 { - e.encBytesLen(c_UTF8, 0) - return - } else if l == 1 { - e.encBytesLen(c_UTF8, 1) - e.w.writen1(v[0]) - return - } - if e.m == nil { - e.m = make(map[string]uint16, 16) - } - ui, ok := e.m[v] - if ok { - if ui <= math.MaxUint8 { - e.w.writen2(bincVdSymbol<<4, byte(ui)) - } else { - e.w.writen1(bincVdSymbol<<4 | 0x8) - bigenHelper{e.b[:2], e.w}.writeUint16(ui) - } - } else { - e.s++ - ui = e.s - //ui = uint16(atomic.AddUint32(&e.s, 1)) - e.m[v] = ui - var lenprec uint8 - if l <= math.MaxUint8 { - // lenprec = 0 - } else if l <= math.MaxUint16 { - lenprec = 1 - } else if int64(l) <= math.MaxUint32 { - lenprec = 2 - } else { - lenprec = 3 - } - if ui <= math.MaxUint8 { - e.w.writen2(bincVdSymbol<<4|0x0|0x4|lenprec, byte(ui)) - } else { - e.w.writen1(bincVdSymbol<<4 | 0x8 | 0x4 | lenprec) - bigenHelper{e.b[:2], e.w}.writeUint16(ui) - } - if lenprec == 0 { - e.w.writen1(byte(l)) - } else if lenprec == 1 { - bigenHelper{e.b[:2], e.w}.writeUint16(uint16(l)) - } else if lenprec == 2 { - bigenHelper{e.b[:4], e.w}.writeUint32(uint32(l)) - } else { - bigenHelper{e.b[:8], e.w}.writeUint64(uint64(l)) - } - e.w.writestr(v) - } -} - -func (e *bincEncDriver) EncodeStringBytes(c charEncoding, v []byte) { - l := uint64(len(v)) - e.encBytesLen(c, l) - if l > 0 { - e.w.writeb(v) - } -} - -func (e *bincEncDriver) encBytesLen(c charEncoding, length uint64) { - //TODO: support bincUnicodeOther (for now, just use string or bytearray) - if c == c_RAW { - e.encLen(bincVdByteArray<<4, length) - } else { - e.encLen(bincVdString<<4, length) - } -} - -func (e *bincEncDriver) encLen(bd byte, l uint64) { - if l < 12 { - e.w.writen1(bd | uint8(l+4)) - } else { - e.encLenNumber(bd, l) - } -} - -func (e *bincEncDriver) encLenNumber(bd byte, v uint64) { - if v <= math.MaxUint8 { - e.w.writen2(bd, byte(v)) - } else if v <= math.MaxUint16 { - e.w.writen1(bd | 0x01) - bigenHelper{e.b[:2], e.w}.writeUint16(uint16(v)) - } else if v <= math.MaxUint32 { - e.w.writen1(bd | 0x02) - bigenHelper{e.b[:4], e.w}.writeUint32(uint32(v)) - } else { - e.w.writen1(bd | 0x03) - bigenHelper{e.b[:8], e.w}.writeUint64(uint64(v)) - } -} - -//------------------------------------ - -type bincDecSymbol struct { - s string - b []byte - i uint16 -} - -type bincDecDriver struct { - d *Decoder - h *BincHandle - r decReader - br bool // bytes reader - bdRead bool - bd byte - vd byte - vs byte - noStreamingCodec - decNoSeparator - b [scratchByteArrayLen]byte - - // linear searching on this slice is ok, - // because we typically expect < 32 symbols in each stream. - s []bincDecSymbol -} - -func (d *bincDecDriver) readNextBd() { - d.bd = d.r.readn1() - d.vd = d.bd >> 4 - d.vs = d.bd & 0x0f - d.bdRead = true -} - -func (d *bincDecDriver) ContainerType() (vt valueType) { - if d.vd == bincVdSpecial && d.vs == bincSpNil { - return valueTypeNil - } else if d.vd == bincVdByteArray { - return valueTypeBytes - } else if d.vd == bincVdString { - return valueTypeString - } else if d.vd == bincVdArray { - return valueTypeArray - } else if d.vd == bincVdMap { - return valueTypeMap - } else { - // d.d.errorf("isContainerType: unsupported parameter: %v", vt) - } - return valueTypeUnset -} - -func (d *bincDecDriver) TryDecodeAsNil() bool { - if !d.bdRead { - d.readNextBd() - } - if d.bd == bincVdSpecial<<4|bincSpNil { - d.bdRead = false - return true - } - return false -} - -func (d *bincDecDriver) IsBuiltinType(rt uintptr) bool { - return rt == timeTypId -} - -func (d *bincDecDriver) DecodeBuiltin(rt uintptr, v interface{}) { - if !d.bdRead { - d.readNextBd() - } - if rt == timeTypId { - if d.vd != bincVdTimestamp { - d.d.errorf("Invalid d.vd. Expecting 0x%x. Received: 0x%x", bincVdTimestamp, d.vd) - return - } - tt, err := decodeTime(d.r.readx(int(d.vs))) - if err != nil { - panic(err) - } - var vt *time.Time = v.(*time.Time) - *vt = tt - d.bdRead = false - } -} - -func (d *bincDecDriver) decFloatPre(vs, defaultLen byte) { - if vs&0x8 == 0 { - d.r.readb(d.b[0:defaultLen]) - } else { - l := d.r.readn1() - if l > 8 { - d.d.errorf("At most 8 bytes used to represent float. Received: %v bytes", l) - return - } - for i := l; i < 8; i++ { - d.b[i] = 0 - } - d.r.readb(d.b[0:l]) - } -} - -func (d *bincDecDriver) decFloat() (f float64) { - //if true { f = math.Float64frombits(bigen.Uint64(d.r.readx(8))); break; } - if x := d.vs & 0x7; x == bincFlBin32 { - d.decFloatPre(d.vs, 4) - f = float64(math.Float32frombits(bigen.Uint32(d.b[0:4]))) - } else if x == bincFlBin64 { - d.decFloatPre(d.vs, 8) - f = math.Float64frombits(bigen.Uint64(d.b[0:8])) - } else { - d.d.errorf("only float32 and float64 are supported. d.vd: 0x%x, d.vs: 0x%x", d.vd, d.vs) - return - } - return -} - -func (d *bincDecDriver) decUint() (v uint64) { - // need to inline the code (interface conversion and type assertion expensive) - switch d.vs { - case 0: - v = uint64(d.r.readn1()) - case 1: - d.r.readb(d.b[6:8]) - v = uint64(bigen.Uint16(d.b[6:8])) - case 2: - d.b[4] = 0 - d.r.readb(d.b[5:8]) - v = uint64(bigen.Uint32(d.b[4:8])) - case 3: - d.r.readb(d.b[4:8]) - v = uint64(bigen.Uint32(d.b[4:8])) - case 4, 5, 6: - lim := int(7 - d.vs) - d.r.readb(d.b[lim:8]) - for i := 0; i < lim; i++ { - d.b[i] = 0 - } - v = uint64(bigen.Uint64(d.b[:8])) - case 7: - d.r.readb(d.b[:8]) - v = uint64(bigen.Uint64(d.b[:8])) - default: - d.d.errorf("unsigned integers with greater than 64 bits of precision not supported") - return - } - return -} - -func (d *bincDecDriver) decCheckInteger() (ui uint64, neg bool) { - if !d.bdRead { - d.readNextBd() - } - vd, vs := d.vd, d.vs - if vd == bincVdPosInt { - ui = d.decUint() - } else if vd == bincVdNegInt { - ui = d.decUint() - neg = true - } else if vd == bincVdSmallInt { - ui = uint64(d.vs) + 1 - } else if vd == bincVdSpecial { - if vs == bincSpZero { - //i = 0 - } else if vs == bincSpNegOne { - neg = true - ui = 1 - } else { - d.d.errorf("numeric decode fails for special value: d.vs: 0x%x", d.vs) - return - } - } else { - d.d.errorf("number can only be decoded from uint or int values. d.bd: 0x%x, d.vd: 0x%x", d.bd, d.vd) - return - } - return -} - -func (d *bincDecDriver) DecodeInt(bitsize uint8) (i int64) { - ui, neg := d.decCheckInteger() - i, overflow := chkOvf.SignedInt(ui) - if overflow { - d.d.errorf("simple: overflow converting %v to signed integer", ui) - return - } - if neg { - i = -i - } - if chkOvf.Int(i, bitsize) { - d.d.errorf("binc: overflow integer: %v", i) - return - } - d.bdRead = false - return -} - -func (d *bincDecDriver) DecodeUint(bitsize uint8) (ui uint64) { - ui, neg := d.decCheckInteger() - if neg { - d.d.errorf("Assigning negative signed value to unsigned type") - return - } - if chkOvf.Uint(ui, bitsize) { - d.d.errorf("binc: overflow integer: %v", ui) - return - } - d.bdRead = false - return -} - -func (d *bincDecDriver) DecodeFloat(chkOverflow32 bool) (f float64) { - if !d.bdRead { - d.readNextBd() - } - vd, vs := d.vd, d.vs - if vd == bincVdSpecial { - d.bdRead = false - if vs == bincSpNan { - return math.NaN() - } else if vs == bincSpPosInf { - return math.Inf(1) - } else if vs == bincSpZeroFloat || vs == bincSpZero { - return - } else if vs == bincSpNegInf { - return math.Inf(-1) - } else { - d.d.errorf("Invalid d.vs decoding float where d.vd=bincVdSpecial: %v", d.vs) - return - } - } else if vd == bincVdFloat { - f = d.decFloat() - } else { - f = float64(d.DecodeInt(64)) - } - if chkOverflow32 && chkOvf.Float32(f) { - d.d.errorf("binc: float32 overflow: %v", f) - return - } - d.bdRead = false - return -} - -// bool can be decoded from bool only (single byte). -func (d *bincDecDriver) DecodeBool() (b bool) { - if !d.bdRead { - d.readNextBd() - } - if bd := d.bd; bd == (bincVdSpecial | bincSpFalse) { - // b = false - } else if bd == (bincVdSpecial | bincSpTrue) { - b = true - } else { - d.d.errorf("Invalid single-byte value for bool: %s: %x", msgBadDesc, d.bd) - return - } - d.bdRead = false - return -} - -func (d *bincDecDriver) ReadMapStart() (length int) { - if d.vd != bincVdMap { - d.d.errorf("Invalid d.vd for map. Expecting 0x%x. Got: 0x%x", bincVdMap, d.vd) - return - } - length = d.decLen() - d.bdRead = false - return -} - -func (d *bincDecDriver) ReadArrayStart() (length int) { - if d.vd != bincVdArray { - d.d.errorf("Invalid d.vd for array. Expecting 0x%x. Got: 0x%x", bincVdArray, d.vd) - return - } - length = d.decLen() - d.bdRead = false - return -} - -func (d *bincDecDriver) decLen() int { - if d.vs > 3 { - return int(d.vs - 4) - } - return int(d.decLenNumber()) -} - -func (d *bincDecDriver) decLenNumber() (v uint64) { - if x := d.vs; x == 0 { - v = uint64(d.r.readn1()) - } else if x == 1 { - d.r.readb(d.b[6:8]) - v = uint64(bigen.Uint16(d.b[6:8])) - } else if x == 2 { - d.r.readb(d.b[4:8]) - v = uint64(bigen.Uint32(d.b[4:8])) - } else { - d.r.readb(d.b[:8]) - v = bigen.Uint64(d.b[:8]) - } - return -} - -func (d *bincDecDriver) decStringAndBytes(bs []byte, withString, zerocopy bool) (bs2 []byte, s string) { - if !d.bdRead { - d.readNextBd() - } - if d.bd == bincVdSpecial<<4|bincSpNil { - d.bdRead = false - return - } - var slen int = -1 - // var ok bool - switch d.vd { - case bincVdString, bincVdByteArray: - slen = d.decLen() - if zerocopy { - if d.br { - bs2 = d.r.readx(slen) - } else if len(bs) == 0 { - bs2 = decByteSlice(d.r, slen, d.b[:]) - } else { - bs2 = decByteSlice(d.r, slen, bs) - } - } else { - bs2 = decByteSlice(d.r, slen, bs) - } - if withString { - s = string(bs2) - } - case bincVdSymbol: - // zerocopy doesn't apply for symbols, - // as the values must be stored in a table for later use. - // - //from vs: extract numSymbolBytes, containsStringVal, strLenPrecision, - //extract symbol - //if containsStringVal, read it and put in map - //else look in map for string value - var symbol uint16 - vs := d.vs - if vs&0x8 == 0 { - symbol = uint16(d.r.readn1()) - } else { - symbol = uint16(bigen.Uint16(d.r.readx(2))) - } - if d.s == nil { - d.s = make([]bincDecSymbol, 0, 16) - } - - if vs&0x4 == 0 { - for i := range d.s { - j := &d.s[i] - if j.i == symbol { - bs2 = j.b - if withString { - if j.s == "" && bs2 != nil { - j.s = string(bs2) - } - s = j.s - } - break - } - } - } else { - switch vs & 0x3 { - case 0: - slen = int(d.r.readn1()) - case 1: - slen = int(bigen.Uint16(d.r.readx(2))) - case 2: - slen = int(bigen.Uint32(d.r.readx(4))) - case 3: - slen = int(bigen.Uint64(d.r.readx(8))) - } - // since using symbols, do not store any part of - // the parameter bs in the map, as it might be a shared buffer. - // bs2 = decByteSlice(d.r, slen, bs) - bs2 = decByteSlice(d.r, slen, nil) - if withString { - s = string(bs2) - } - d.s = append(d.s, bincDecSymbol{i: symbol, s: s, b: bs2}) - } - default: - d.d.errorf("Invalid d.vd. Expecting string:0x%x, bytearray:0x%x or symbol: 0x%x. Got: 0x%x", - bincVdString, bincVdByteArray, bincVdSymbol, d.vd) - return - } - d.bdRead = false - return -} - -func (d *bincDecDriver) DecodeString() (s string) { - // DecodeBytes does not accomodate symbols, whose impl stores string version in map. - // Use decStringAndBytes directly. - // return string(d.DecodeBytes(d.b[:], true, true)) - _, s = d.decStringAndBytes(d.b[:], true, true) - return -} - -func (d *bincDecDriver) DecodeBytes(bs []byte, isstring, zerocopy bool) (bsOut []byte) { - if isstring { - bsOut, _ = d.decStringAndBytes(bs, false, zerocopy) - return - } - if !d.bdRead { - d.readNextBd() - } - if d.bd == bincVdSpecial<<4|bincSpNil { - d.bdRead = false - return nil - } - var clen int - if d.vd == bincVdString || d.vd == bincVdByteArray { - clen = d.decLen() - } else { - d.d.errorf("Invalid d.vd for bytes. Expecting string:0x%x or bytearray:0x%x. Got: 0x%x", - bincVdString, bincVdByteArray, d.vd) - return - } - d.bdRead = false - if zerocopy { - if d.br { - return d.r.readx(clen) - } else if len(bs) == 0 { - bs = d.b[:] - } - } - return decByteSlice(d.r, clen, bs) -} - -func (d *bincDecDriver) DecodeExt(rv interface{}, xtag uint64, ext Ext) (realxtag uint64) { - if xtag > 0xff { - d.d.errorf("decodeExt: tag must be <= 0xff; got: %v", xtag) - return - } - realxtag1, xbs := d.decodeExtV(ext != nil, uint8(xtag)) - realxtag = uint64(realxtag1) - if ext == nil { - re := rv.(*RawExt) - re.Tag = realxtag - re.Data = detachZeroCopyBytes(d.br, re.Data, xbs) - } else { - ext.ReadExt(rv, xbs) - } - return -} - -func (d *bincDecDriver) decodeExtV(verifyTag bool, tag byte) (xtag byte, xbs []byte) { - if !d.bdRead { - d.readNextBd() - } - if d.vd == bincVdCustomExt { - l := d.decLen() - xtag = d.r.readn1() - if verifyTag && xtag != tag { - d.d.errorf("Wrong extension tag. Got %b. Expecting: %v", xtag, tag) - return - } - xbs = d.r.readx(l) - } else if d.vd == bincVdByteArray { - xbs = d.DecodeBytes(nil, false, true) - } else { - d.d.errorf("Invalid d.vd for extensions (Expecting extensions or byte array). Got: 0x%x", d.vd) - return - } - d.bdRead = false - return -} - -func (d *bincDecDriver) DecodeNaked() { - if !d.bdRead { - d.readNextBd() - } - - n := &d.d.n - var decodeFurther bool - - switch d.vd { - case bincVdSpecial: - switch d.vs { - case bincSpNil: - n.v = valueTypeNil - case bincSpFalse: - n.v = valueTypeBool - n.b = false - case bincSpTrue: - n.v = valueTypeBool - n.b = true - case bincSpNan: - n.v = valueTypeFloat - n.f = math.NaN() - case bincSpPosInf: - n.v = valueTypeFloat - n.f = math.Inf(1) - case bincSpNegInf: - n.v = valueTypeFloat - n.f = math.Inf(-1) - case bincSpZeroFloat: - n.v = valueTypeFloat - n.f = float64(0) - case bincSpZero: - n.v = valueTypeUint - n.u = uint64(0) // int8(0) - case bincSpNegOne: - n.v = valueTypeInt - n.i = int64(-1) // int8(-1) - default: - d.d.errorf("decodeNaked: Unrecognized special value 0x%x", d.vs) - } - case bincVdSmallInt: - n.v = valueTypeUint - n.u = uint64(int8(d.vs)) + 1 // int8(d.vs) + 1 - case bincVdPosInt: - n.v = valueTypeUint - n.u = d.decUint() - case bincVdNegInt: - n.v = valueTypeInt - n.i = -(int64(d.decUint())) - case bincVdFloat: - n.v = valueTypeFloat - n.f = d.decFloat() - case bincVdSymbol: - n.v = valueTypeSymbol - n.s = d.DecodeString() - case bincVdString: - n.v = valueTypeString - n.s = d.DecodeString() - case bincVdByteArray: - n.v = valueTypeBytes - n.l = d.DecodeBytes(nil, false, false) - case bincVdTimestamp: - n.v = valueTypeTimestamp - tt, err := decodeTime(d.r.readx(int(d.vs))) - if err != nil { - panic(err) - } - n.t = tt - case bincVdCustomExt: - n.v = valueTypeExt - l := d.decLen() - n.u = uint64(d.r.readn1()) - n.l = d.r.readx(l) - case bincVdArray: - n.v = valueTypeArray - decodeFurther = true - case bincVdMap: - n.v = valueTypeMap - decodeFurther = true - default: - d.d.errorf("decodeNaked: Unrecognized d.vd: 0x%x", d.vd) - } - - if !decodeFurther { - d.bdRead = false - } - if n.v == valueTypeUint && d.h.SignedInteger { - n.v = valueTypeInt - n.i = int64(n.u) - } - return -} - -//------------------------------------ - -//BincHandle is a Handle for the Binc Schema-Free Encoding Format -//defined at https://github.com/ugorji/binc . -// -//BincHandle currently supports all Binc features with the following EXCEPTIONS: -// - only integers up to 64 bits of precision are supported. -// big integers are unsupported. -// - Only IEEE 754 binary32 and binary64 floats are supported (ie Go float32 and float64 types). -// extended precision and decimal IEEE 754 floats are unsupported. -// - Only UTF-8 strings supported. -// Unicode_Other Binc types (UTF16, UTF32) are currently unsupported. -// -//Note that these EXCEPTIONS are temporary and full support is possible and may happen soon. -type BincHandle struct { - BasicHandle - binaryEncodingType -} - -func (h *BincHandle) SetBytesExt(rt reflect.Type, tag uint64, ext BytesExt) (err error) { - return h.SetExt(rt, tag, &setExtWrapper{b: ext}) -} - -func (h *BincHandle) newEncDriver(e *Encoder) encDriver { - return &bincEncDriver{e: e, w: e.w} -} - -func (h *BincHandle) newDecDriver(d *Decoder) decDriver { - return &bincDecDriver{d: d, r: d.r, h: h, br: d.bytes} -} - -func (e *bincEncDriver) reset() { - e.w = e.e.w - e.s = 0 - e.m = nil -} - -func (d *bincDecDriver) reset() { - d.r = d.d.r - d.s = nil - d.bd, d.bdRead, d.vd, d.vs = 0, false, 0, 0 -} - -var _ decDriver = (*bincDecDriver)(nil) -var _ encDriver = (*bincEncDriver)(nil) |