diff options
Diffstat (limited to 'lib/btrfs/internal/uuid.go')
| -rw-r--r-- | lib/btrfs/internal/uuid.go | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/lib/btrfs/internal/uuid.go b/lib/btrfs/internal/uuid.go index 3749b1a..96807b6 100644 --- a/lib/btrfs/internal/uuid.go +++ b/lib/btrfs/internal/uuid.go @@ -5,6 +5,7 @@ package internal import ( + "encoding" "encoding/hex" "fmt" "strings" @@ -14,6 +15,13 @@ import ( type UUID [16]byte +var ( + _ fmt.Stringer = UUID{} + _ fmt.Formatter = UUID{} + _ encoding.TextMarshaler = UUID{} + _ encoding.TextUnmarshaler = (*UUID)(nil) +) + func (uuid UUID) String() string { str := hex.EncodeToString(uuid[:]) return strings.Join([]string{ @@ -25,6 +33,20 @@ func (uuid UUID) String() string { }, "-") } +func (uuid UUID) MarshalText() ([]byte, error) { + return []byte(uuid.String()), nil +} + +func (uuid *UUID) UnmarshalText(text []byte) error { + var err error + *uuid, err = ParseUUID(string(text)) + return err +} + +func (uuid UUID) Format(f fmt.State, verb rune) { + fmtutil.FormatByteArrayStringer(uuid, uuid[:], f, verb) +} + func (a UUID) Cmp(b UUID) int { for i := range a { if d := int(a[i]) - int(b[i]); d != 0 { @@ -34,10 +56,6 @@ func (a UUID) Cmp(b UUID) int { return 0 } -func (uuid UUID) Format(f fmt.State, verb rune) { - fmtutil.FormatByteArrayStringer(uuid, uuid[:], f, verb) -} - func ParseUUID(str string) (UUID, error) { var ret UUID j := 0 |