Function ParseAcs

server/store/types/types.go:606–640

ParseAcs parses AccessMode from a byte array.

(b []byte)

// ParseAcs parses AccessMode from a byte array.
func ParseAcs(b []byte) (AccessMode, error) {
	m0 := ModeUnset

Loop:
	for i := range b {
		switch b[i] {
		case 'J', 'j':
			m0 |= ModeJoin
		case 'R', 'r':
			m0 |= ModeRead
		case 'W', 'w':
			m0 |= ModeWrite
		case 'A', 'a':
			m0 |= ModeApprove
		case 'S', 's':
			m0 |= ModeShare
		case 'D', 'd':
			m0 |= ModeDelete
		case 'P', 'p':
			m0 |= ModePres
		case 'O', 'o':
			m0 |= ModeOwner
		case 'N', 'n':
			if m0 != ModeUnset {
				return ModeUnset, errors.New("AccessMode: access N cannot be combined with any other")
			}
			m0 = ModeNone // N means explicitly no access, all bits cleared
			break Loop
		default:
			return ModeUnset, errors.New("AccessMode: invalid character '" + string(b[i]) + "'")
		}
	}

	return m0, nil
}

// UnmarshalText parses access mode string as byte slice.
// Does not change the mode if the string is empty or invalid.