itdoxy-lab/vendor/github.com/twinj/uuid/array.go

69 lines
1.3 KiB
Go

package uuid
/****************
* Date: 1/02/14
* Time: 10:08 AM
***************/
const (
variantIndex = 8
versionIndex = 6
)
// A clean UUID type for simpler UUID versions
type Array [length]byte
func (Array) Size() int {
return length
}
func (o Array) Version() int {
return int(o[versionIndex]) >> 4
}
func (o *Array) setVersion(pVersion int) {
o[versionIndex] &= 0x0F
o[versionIndex] |= byte(pVersion) << 4
}
func (o *Array) Variant() byte {
return variant(o[variantIndex])
}
func (o *Array) setVariant(pVariant byte) {
setVariant(&o[variantIndex], pVariant)
}
func (o *Array) Unmarshal(pData []byte) {
copy(o[:], pData)
}
func (o *Array) Bytes() []byte {
return o[:]
}
func (o Array) String() string {
return formatter(&o, format)
}
func (o Array) Format(pFormat string) string {
return formatter(&o, pFormat)
}
// Set the three most significant bits (bits 0, 1 and 2) of the
// sequenceHiAndVariant equivalent in the array to ReservedRFC4122.
func (o *Array) setRFC4122Variant() {
o[variantIndex] &= 0x3F
o[variantIndex] |= ReservedRFC4122
}
// Marshals the UUID bytes into a slice
func (o *Array) MarshalBinary() ([]byte, error) {
return o.Bytes(), nil
}
// Un-marshals the data bytes into the UUID.
func (o *Array) UnmarshalBinary(pData []byte) error {
return UnmarshalBinary(o, pData)
}