proto

type OpCode int

type Reader interface {
	// ReadInt16 reads an int16 value.
	ReadInt16() (int16, error)

	// ReadInt reads an int32 value.
	ReadInt() (int, error)

	// ReadPackedInt reads a packed int32 value.
	ReadPackedInt() (int, error)

	// ReadPackedLong reads a packed int64 value.
	ReadPackedLong() (int64, error)

	// ReadDouble reads a double value.
	ReadDouble() (float64, error)

	// ReadString reads a string value.
	ReadString() (*string, error)

	// ReadNonNilString reads a non-nil string.
	ReadNonNilString() (string, error)

	// ReadBoolean reads a boolean value.
	ReadBoolean() (bool, error)

	// ReadByte reads a single byte.
	ReadByte() (byte, error)

	// ReadVersion reads a Version value.
	ReadVersion() (types.Version, error)

	// ReadFieldValue reads a field value.
	ReadFieldValue() (types.FieldValue, error)

	// ReadByteArray reads an array of bytes.
	// The returned bytes may be nil.
	ReadByteArray() ([]byte, error)

	// ReadByteArrayWithInt reads an array of bytes.
	// The returned bytes is always non-nil.
	ReadByteArrayWithInt() ([]byte, error)

	// GetBuffer returns the underlying bytes.Buffer.
	GetBuffer() *bytes.Buffer
}

type Writer interface {
	// Write writes the bytes.
	Write(p []byte) (int, error)

	// WriteByte writes a single byte.
	WriteByte(b byte) error

	// WriteInt16 writes an int16 value.
	WriteInt16(value int16) (int, error)

	// WriteInt writes an int32 value.
	WriteInt(value int) (int, error)

	// WriteIntAtOffset writes an int32 value at a specific offset.
	WriteIntAtOffset(value int, offset int) (int, error)

	// WritePackedInt writes a packed int32 value.
	WritePackedInt(value int) (int, error)

	// WritePackedLong writes a packed int64 value.
	WritePackedLong(value int64) (int, error)

	// WriteDouble writes a float64 value.
	WriteDouble(value float64) (int, error)

	// WriteString writes a string value.
	WriteString(value *string) (int, error)

	// WriteBoolean writes a boolean value.
	WriteBoolean(value bool) (int, error)

	// WriteMap writes a map value.
	WriteMap(value *types.MapValue) (int, error)

	// WriteArray writes an array of field values.
	WriteArray(value []types.FieldValue) (int, error)

	// WriteByteArray writes an array of bytes that may be nil.
	WriteByteArray(value []byte) (int, error)

	// WriteByteArrayWithInt writes an array of bytes that are non-nil.
	WriteByteArrayWithInt(value []byte) (int, error)

	// WriteFieldValue writes a field value.
	WriteFieldValue(value types.FieldValue) (int, error)

	// WriteFieldRange writes a field range value.
	WriteFieldRange(fieldRange *types.FieldRange) (int, error)

	// WriteOpCode writes an opcode.
	WriteOpCode(op OpCode) (int, error)

	// WriteTimeout writes a timeout value.
	WriteTimeout(timeout time.Duration) (int, error)

	// WriteConsistency writes a Consistency value.
	WriteConsistency(c types.Consistency) (int, error)

	// WriteDurability writes a Durability value, if the
	// protocol version supports it.
	WriteDurability(c types.Durability, serialVersion int16) (int, error)

	// WriteCapacityMode writes a CapacityMode value, if the
	// protocol version supports it.
	WriteCapacityMode(lm types.CapacityMode, serialVersion int16) (int, error)

	// WriteTTL writes a TimeToLive value.
	WriteTTL(ttl *types.TimeToLive) (int, error)

	// WriteVersion writes a Version value.
	WriteVersion(version types.Version) (int, error)

	// WriteSerialVersion writes a serial version.
	WriteSerialVersion(serialVersion int16) (int, error)

	// Size reports the number of bytes written by the writer.
	Size() int

	// Reset resets the writer.
	Reset()

	// Bytes returns the bytes written in the buffer of the writer.
	Bytes() []byte
}