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author | Michael Muré <batolettre@gmail.com> | 2018-07-19 17:58:15 +0200 |
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committer | Michael Muré <batolettre@gmail.com> | 2018-07-19 17:58:15 +0200 |
commit | 9f04fc2f7b31aeefa8281aff0d1d40a698f4b627 (patch) | |
tree | 23386ccbd3b53f51af8b35a144b1e9563d5ee621 /vendor/github.com/kevinburke/go.uuid/codec.go | |
parent | f42cf79443fd08f61385761f86ddeb0f914257e6 (diff) | |
download | git-bug-9f04fc2f7b31aeefa8281aff0d1d40a698f4b627.tar.gz |
bug: replace the uuid based id with the hash of the first commit
Diffstat (limited to 'vendor/github.com/kevinburke/go.uuid/codec.go')
-rw-r--r-- | vendor/github.com/kevinburke/go.uuid/codec.go | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/vendor/github.com/kevinburke/go.uuid/codec.go b/vendor/github.com/kevinburke/go.uuid/codec.go deleted file mode 100644 index 656892c5..00000000 --- a/vendor/github.com/kevinburke/go.uuid/codec.go +++ /dev/null @@ -1,206 +0,0 @@ -// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru> -// -// Permission is hereby granted, free of charge, to any person obtaining -// a copy of this software and associated documentation files (the -// "Software"), to deal in the Software without restriction, including -// without limitation the rights to use, copy, modify, merge, publish, -// distribute, sublicense, and/or sell copies of the Software, and to -// permit persons to whom the Software is furnished to do so, subject to -// the following conditions: -// -// The above copyright notice and this permission notice shall be -// included in all copies or substantial portions of the Software. -// -// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND -// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE -// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION -// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION -// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - -package uuid - -import ( - "bytes" - "encoding/hex" - "fmt" -) - -// FromBytes returns UUID converted from raw byte slice input. -// It will return error if the slice isn't 16 bytes long. -func FromBytes(input []byte) (u UUID, err error) { - err = u.UnmarshalBinary(input) - return -} - -// FromBytesOrNil returns UUID converted from raw byte slice input. -// Same behavior as FromBytes, but returns a Nil UUID on error. -func FromBytesOrNil(input []byte) UUID { - uuid, err := FromBytes(input) - if err != nil { - return Nil - } - return uuid -} - -// FromString returns UUID parsed from string input. -// Input is expected in a form accepted by UnmarshalText. -func FromString(input string) (u UUID, err error) { - err = u.UnmarshalText([]byte(input)) - return -} - -// FromStringOrNil returns UUID parsed from string input. -// Same behavior as FromString, but returns a Nil UUID on error. -func FromStringOrNil(input string) UUID { - uuid, err := FromString(input) - if err != nil { - return Nil - } - return uuid -} - -// MarshalText implements the encoding.TextMarshaler interface. -// The encoding is the same as returned by String. -func (u UUID) MarshalText() (text []byte, err error) { - text = []byte(u.String()) - return -} - -// UnmarshalText implements the encoding.TextUnmarshaler interface. -// Following formats are supported: -// "6ba7b810-9dad-11d1-80b4-00c04fd430c8", -// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}", -// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8" -// "6ba7b8109dad11d180b400c04fd430c8" -// ABNF for supported UUID text representation follows: -// uuid := canonical | hashlike | braced | urn -// plain := canonical | hashlike -// canonical := 4hexoct '-' 2hexoct '-' 2hexoct '-' 6hexoct -// hashlike := 12hexoct -// braced := '{' plain '}' -// urn := URN ':' UUID-NID ':' plain -// URN := 'urn' -// UUID-NID := 'uuid' -// 12hexoct := 6hexoct 6hexoct -// 6hexoct := 4hexoct 2hexoct -// 4hexoct := 2hexoct 2hexoct -// 2hexoct := hexoct hexoct -// hexoct := hexdig hexdig -// hexdig := '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' | -// 'a' | 'b' | 'c' | 'd' | 'e' | 'f' | -// 'A' | 'B' | 'C' | 'D' | 'E' | 'F' -func (u *UUID) UnmarshalText(text []byte) (err error) { - switch len(text) { - case 32: - return u.decodeHashLike(text) - case 36: - return u.decodeCanonical(text) - case 38: - return u.decodeBraced(text) - case 41: - fallthrough - case 45: - return u.decodeURN(text) - default: - return fmt.Errorf("uuid: incorrect UUID length: %s", text) - } -} - -// decodeCanonical decodes UUID string in format -// "6ba7b810-9dad-11d1-80b4-00c04fd430c8". -func (u *UUID) decodeCanonical(t []byte) (err error) { - if t[8] != '-' || t[13] != '-' || t[18] != '-' || t[23] != '-' { - return fmt.Errorf("uuid: incorrect UUID format %s", t) - } - - src := t[:] - dst := u[:] - - for i, byteGroup := range byteGroups { - if i > 0 { - src = src[1:] // skip dash - } - _, err = hex.Decode(dst[:byteGroup/2], src[:byteGroup]) - if err != nil { - return - } - src = src[byteGroup:] - dst = dst[byteGroup/2:] - } - - return -} - -// decodeHashLike decodes UUID string in format -// "6ba7b8109dad11d180b400c04fd430c8". -func (u *UUID) decodeHashLike(t []byte) (err error) { - src := t[:] - dst := u[:] - - if _, err = hex.Decode(dst, src); err != nil { - return err - } - return -} - -// decodeBraced decodes UUID string in format -// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}" or in format -// "{6ba7b8109dad11d180b400c04fd430c8}". -func (u *UUID) decodeBraced(t []byte) (err error) { - l := len(t) - - if t[0] != '{' || t[l-1] != '}' { - return fmt.Errorf("uuid: incorrect UUID format %s", t) - } - - return u.decodePlain(t[1 : l-1]) -} - -// decodeURN decodes UUID string in format -// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in format -// "urn:uuid:6ba7b8109dad11d180b400c04fd430c8". -func (u *UUID) decodeURN(t []byte) (err error) { - total := len(t) - - urn_uuid_prefix := t[:9] - - if !bytes.Equal(urn_uuid_prefix, urnPrefix) { - return fmt.Errorf("uuid: incorrect UUID format: %s", t) - } - - return u.decodePlain(t[9:total]) -} - -// decodePlain decodes UUID string in canonical format -// "6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in hash-like format -// "6ba7b8109dad11d180b400c04fd430c8". -func (u *UUID) decodePlain(t []byte) (err error) { - switch len(t) { - case 32: - return u.decodeHashLike(t) - case 36: - return u.decodeCanonical(t) - default: - return fmt.Errorf("uuid: incorrrect UUID length: %s", t) - } -} - -// MarshalBinary implements the encoding.BinaryMarshaler interface. -func (u UUID) MarshalBinary() (data []byte, err error) { - data = u.Bytes() - return -} - -// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface. -// It will return error if the slice isn't 16 bytes long. -func (u *UUID) UnmarshalBinary(data []byte) (err error) { - if len(data) != Size { - err = fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data)) - return - } - copy(u[:], data) - - return -} |