From aad60c882e16cd2c8769a49e6d9f87a040590d62 Mon Sep 17 00:00:00 2001 From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com> Date: Tue, 18 Jan 2022 20:24:14 +0100 Subject: Bump github.com/mattermost/mattermost-server/v6 from 6.1.0 to 6.3.0 (#1686) Bumps [github.com/mattermost/mattermost-server/v6](https://github.com/mattermost/mattermost-server) from 6.1.0 to 6.3.0. - [Release notes](https://github.com/mattermost/mattermost-server/releases) - [Changelog](https://github.com/mattermost/mattermost-server/blob/master/CHANGELOG.md) - [Commits](https://github.com/mattermost/mattermost-server/compare/v6.1.0...v6.3.0) --- updated-dependencies: - dependency-name: github.com/mattermost/mattermost-server/v6 dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> --- vendor/github.com/vmihailenco/msgpack/v5/intern.go | 238 +++++++++++++++++++++ 1 file changed, 238 insertions(+) create mode 100644 vendor/github.com/vmihailenco/msgpack/v5/intern.go (limited to 'vendor/github.com/vmihailenco/msgpack/v5/intern.go') diff --git a/vendor/github.com/vmihailenco/msgpack/v5/intern.go b/vendor/github.com/vmihailenco/msgpack/v5/intern.go new file mode 100644 index 00000000..be0316a8 --- /dev/null +++ b/vendor/github.com/vmihailenco/msgpack/v5/intern.go @@ -0,0 +1,238 @@ +package msgpack + +import ( + "fmt" + "math" + "reflect" + + "github.com/vmihailenco/msgpack/v5/msgpcode" +) + +const ( + minInternedStringLen = 3 + maxDictLen = math.MaxUint16 +) + +var internedStringExtID = int8(math.MinInt8) + +func init() { + extTypes[internedStringExtID] = &extInfo{ + Type: stringType, + Decoder: decodeInternedStringExt, + } +} + +func decodeInternedStringExt(d *Decoder, v reflect.Value, extLen int) error { + idx, err := d.decodeInternedStringIndex(extLen) + if err != nil { + return err + } + + s, err := d.internedStringAtIndex(idx) + if err != nil { + return err + } + + v.SetString(s) + return nil +} + +//------------------------------------------------------------------------------ + +func encodeInternedInterfaceValue(e *Encoder, v reflect.Value) error { + if v.IsNil() { + return e.EncodeNil() + } + + v = v.Elem() + if v.Kind() == reflect.String { + return e.encodeInternedString(v.String(), true) + } + return e.EncodeValue(v) +} + +func encodeInternedStringValue(e *Encoder, v reflect.Value) error { + return e.encodeInternedString(v.String(), true) +} + +func (e *Encoder) encodeInternedString(s string, intern bool) error { + // Interned string takes at least 3 bytes. Plain string 1 byte + string len. + if len(s) >= minInternedStringLen { + if idx, ok := e.dict[s]; ok { + return e.encodeInternedStringIndex(idx) + } + + if intern && len(e.dict) < maxDictLen { + if e.dict == nil { + e.dict = make(map[string]int) + } + idx := len(e.dict) + e.dict[s] = idx + } + } + + return e.encodeNormalString(s) +} + +func (e *Encoder) encodeInternedStringIndex(idx int) error { + if idx <= math.MaxUint8 { + if err := e.writeCode(msgpcode.FixExt1); err != nil { + return err + } + return e.write1(byte(internedStringExtID), uint8(idx)) + } + + if idx <= math.MaxUint16 { + if err := e.writeCode(msgpcode.FixExt2); err != nil { + return err + } + return e.write2(byte(internedStringExtID), uint16(idx)) + } + + if uint64(idx) <= math.MaxUint32 { + if err := e.writeCode(msgpcode.FixExt4); err != nil { + return err + } + return e.write4(byte(internedStringExtID), uint32(idx)) + } + + return fmt.Errorf("msgpack: interned string index=%d is too large", idx) +} + +//------------------------------------------------------------------------------ + +func decodeInternedInterfaceValue(d *Decoder, v reflect.Value) error { + s, err := d.decodeInternedString(true) + if err == nil { + v.Set(reflect.ValueOf(s)) + return nil + } + if err != nil { + if _, ok := err.(unexpectedCodeError); !ok { + return err + } + } + + if err := d.s.UnreadByte(); err != nil { + return err + } + return decodeInterfaceValue(d, v) +} + +func decodeInternedStringValue(d *Decoder, v reflect.Value) error { + s, err := d.decodeInternedString(true) + if err != nil { + return err + } + + v.SetString(s) + return nil +} + +func (d *Decoder) decodeInternedString(intern bool) (string, error) { + c, err := d.readCode() + if err != nil { + return "", err + } + + if msgpcode.IsFixedString(c) { + n := int(c & msgpcode.FixedStrMask) + return d.decodeInternedStringWithLen(n, intern) + } + + switch c { + case msgpcode.Nil: + return "", nil + case msgpcode.FixExt1, msgpcode.FixExt2, msgpcode.FixExt4: + typeID, extLen, err := d.extHeader(c) + if err != nil { + return "", err + } + if typeID != internedStringExtID { + err := fmt.Errorf("msgpack: got ext type=%d, wanted %d", + typeID, internedStringExtID) + return "", err + } + + idx, err := d.decodeInternedStringIndex(extLen) + if err != nil { + return "", err + } + + return d.internedStringAtIndex(idx) + case msgpcode.Str8, msgpcode.Bin8: + n, err := d.uint8() + if err != nil { + return "", err + } + return d.decodeInternedStringWithLen(int(n), intern) + case msgpcode.Str16, msgpcode.Bin16: + n, err := d.uint16() + if err != nil { + return "", err + } + return d.decodeInternedStringWithLen(int(n), intern) + case msgpcode.Str32, msgpcode.Bin32: + n, err := d.uint32() + if err != nil { + return "", err + } + return d.decodeInternedStringWithLen(int(n), intern) + } + + return "", unexpectedCodeError{ + code: c, + hint: "interned string", + } +} + +func (d *Decoder) decodeInternedStringIndex(extLen int) (int, error) { + switch extLen { + case 1: + n, err := d.uint8() + if err != nil { + return 0, err + } + return int(n), nil + case 2: + n, err := d.uint16() + if err != nil { + return 0, err + } + return int(n), nil + case 4: + n, err := d.uint32() + if err != nil { + return 0, err + } + return int(n), nil + } + + err := fmt.Errorf("msgpack: unsupported ext len=%d decoding interned string", extLen) + return 0, err +} + +func (d *Decoder) internedStringAtIndex(idx int) (string, error) { + if idx >= len(d.dict) { + err := fmt.Errorf("msgpack: interned string at index=%d does not exist", idx) + return "", err + } + return d.dict[idx], nil +} + +func (d *Decoder) decodeInternedStringWithLen(n int, intern bool) (string, error) { + if n <= 0 { + return "", nil + } + + s, err := d.stringWithLen(n) + if err != nil { + return "", err + } + + if intern && len(s) >= minInternedStringLen && len(d.dict) < maxDictLen { + d.dict = append(d.dict, s) + } + + return s, nil +} -- cgit v1.2.3