package types

type BitMask interface {
	HasFlag(bit MaskBit) bool
	AddFlag(bit MaskBit)
	ClearFlag(bit MaskBit)
	ToggleFlag(bit MaskBit)
}

// BitMasks
type MaskBit uint8

// LDAP Connection flags
const (
	LdapBindUndefined MaskBit = 1 << iota
	LdapBindNone              // GSSAPI via SASL or (TODO) Anonymous bind
	LdapBindNet
	LdapBindTls
	LdapBindStartTls
	LdapBindSasl
	LdapBindNoPassword
)

func (f MaskBit) HasFlag(flag MaskBit) (r bool) {
	if f&flag != 0 {
		r = true
	}
	return
}

func (f *MaskBit) AddFlag(flag MaskBit) {
	*f |= flag
	return
}

func (f *MaskBit) ClearFlag(flag MaskBit) {
	*f &= flag
	return
}

func (f *MaskBit) ToggleFlag(flag MaskBit) {
	*f ^= flag
	return
}