parser

var (
	// PACKET_TYPES maps packet types to their wire format bytes.
	PACKET_TYPES = map[packet.Type]byte{
		packet.OPEN:    '0',
		packet.CLOSE:   '1',
		packet.PING:    '2',
		packet.PONG:    '3',
		packet.MESSAGE: '4',
		packet.UPGRADE: '5',
		packet.NOOP:    '6',
	}

	// PACKET_TYPES_REVERSE maps wire format bytes back to packet types.
	PACKET_TYPES_REVERSE = map[byte]packet.Type{
		'0': packet.OPEN,
		'1': packet.CLOSE,
		'2': packet.PING,
		'3': packet.PONG,
		'4': packet.MESSAGE,
		'5': packet.UPGRADE,
		'6': packet.NOOP,
	}
)

var (
	// ErrPacketNil is returned when the packet is nil.
	ErrPacketNil = errors.New("packet must not be nil")
	// ErrPacketType is returned when the packet type is invalid.
	ErrPacketType = errors.New("invalid packet type")
	// ErrDataNil is returned when the data is nil.
	ErrDataNil = errors.New("data must not be nil")
	// ErrInvalidDataLength is returned when the data length is invalid.
	ErrInvalidDataLength = errors.New("invalid data length")
	// ErrParser is returned when a parsing error occurs.
	ErrParser = errors.New("parsing error")
	// ErrUnknownPacketType is returned when an unknown packet type byte is encountered.
	ErrUnknownPacketType = errors.New("unknown packet type")
)

var ERROR_PACKET = &packet.Packet{
	Type: packet.ERROR,
	Data: types.NewStringBufferString(`parser error`),
}