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author | Christopher Speller <crspeller@gmail.com> | 2016-05-12 15:08:58 -0400 |
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committer | Christopher Speller <crspeller@gmail.com> | 2016-05-12 16:37:29 -0400 |
commit | 84d2482ddbff9564c9ad75b2d30af66e3ddfd44d (patch) | |
tree | 8bfa567d2b6381f4a996ada2deff8a16aa85a3ac /Godeps/_workspace/src/github.com/pborman/uuid/uuid.go | |
parent | d1efb66ad7b017f0fbfe6f0c20843b30f396e504 (diff) | |
download | chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.tar.gz chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.tar.bz2 chat-84d2482ddbff9564c9ad75b2d30af66e3ddfd44d.zip |
Updating go depencancies. Switching to go1.6 vendoring (#2949)
Diffstat (limited to 'Godeps/_workspace/src/github.com/pborman/uuid/uuid.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/pborman/uuid/uuid.go | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/Godeps/_workspace/src/github.com/pborman/uuid/uuid.go b/Godeps/_workspace/src/github.com/pborman/uuid/uuid.go deleted file mode 100644 index 2920fae63..000000000 --- a/Godeps/_workspace/src/github.com/pborman/uuid/uuid.go +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright 2011 Google Inc. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package uuid - -import ( - "bytes" - "crypto/rand" - "fmt" - "io" - "strings" -) - -// A UUID is a 128 bit (16 byte) Universal Unique IDentifier as defined in RFC -// 4122. -type UUID []byte - -// A Version represents a UUIDs version. -type Version byte - -// A Variant represents a UUIDs variant. -type Variant byte - -// Constants returned by Variant. -const ( - Invalid = Variant(iota) // Invalid UUID - RFC4122 // The variant specified in RFC4122 - Reserved // Reserved, NCS backward compatibility. - Microsoft // Reserved, Microsoft Corporation backward compatibility. - Future // Reserved for future definition. -) - -var rander = rand.Reader // random function - -// New returns a new random (version 4) UUID as a string. It is a convenience -// function for NewRandom().String(). -func New() string { - return NewRandom().String() -} - -// Parse decodes s into a UUID or returns nil. Both the UUID form of -// xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx and -// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx are decoded. -func Parse(s string) UUID { - if len(s) == 36+9 { - if strings.ToLower(s[:9]) != "urn:uuid:" { - return nil - } - s = s[9:] - } else if len(s) != 36 { - return nil - } - if s[8] != '-' || s[13] != '-' || s[18] != '-' || s[23] != '-' { - return nil - } - uuid := make([]byte, 16) - for i, x := range []int{ - 0, 2, 4, 6, - 9, 11, - 14, 16, - 19, 21, - 24, 26, 28, 30, 32, 34} { - if v, ok := xtob(s[x:]); !ok { - return nil - } else { - uuid[i] = v - } - } - return uuid -} - -// Equal returns true if uuid1 and uuid2 are equal. -func Equal(uuid1, uuid2 UUID) bool { - return bytes.Equal(uuid1, uuid2) -} - -// String returns the string form of uuid, xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx -// , or "" if uuid is invalid. -func (uuid UUID) String() string { - if uuid == nil || len(uuid) != 16 { - return "" - } - b := []byte(uuid) - return fmt.Sprintf("%08x-%04x-%04x-%04x-%012x", - b[:4], b[4:6], b[6:8], b[8:10], b[10:]) -} - -// URN returns the RFC 2141 URN form of uuid, -// urn:uuid:xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx, or "" if uuid is invalid. -func (uuid UUID) URN() string { - if uuid == nil || len(uuid) != 16 { - return "" - } - b := []byte(uuid) - return fmt.Sprintf("urn:uuid:%08x-%04x-%04x-%04x-%012x", - b[:4], b[4:6], b[6:8], b[8:10], b[10:]) -} - -// Variant returns the variant encoded in uuid. It returns Invalid if -// uuid is invalid. -func (uuid UUID) Variant() Variant { - if len(uuid) != 16 { - return Invalid - } - switch { - case (uuid[8] & 0xc0) == 0x80: - return RFC4122 - case (uuid[8] & 0xe0) == 0xc0: - return Microsoft - case (uuid[8] & 0xe0) == 0xe0: - return Future - default: - return Reserved - } - panic("unreachable") -} - -// Version returns the verison of uuid. It returns false if uuid is not -// valid. -func (uuid UUID) Version() (Version, bool) { - if len(uuid) != 16 { - return 0, false - } - return Version(uuid[6] >> 4), true -} - -func (v Version) String() string { - if v > 15 { - return fmt.Sprintf("BAD_VERSION_%d", v) - } - return fmt.Sprintf("VERSION_%d", v) -} - -func (v Variant) String() string { - switch v { - case RFC4122: - return "RFC4122" - case Reserved: - return "Reserved" - case Microsoft: - return "Microsoft" - case Future: - return "Future" - case Invalid: - return "Invalid" - } - return fmt.Sprintf("BadVariant%d", int(v)) -} - -// SetRand sets the random number generator to r, which implents io.Reader. -// If r.Read returns an error when the package requests random data then -// a panic will be issued. -// -// Calling SetRand with nil sets the random number generator to the default -// generator. -func SetRand(r io.Reader) { - if r == nil { - rander = rand.Reader - return - } - rander = r -} |