public:

// constructors & destructor

DataBuffer();

DataBuffer(Size size);

DataBuffer(const void *data, Size data_size);

DataBuffer(const DataBuffer &other);

virtual ~DataBuffer();

// data buffer handling methods

Result setBuffer(Byte *buffer, Size buffer_size);

Result setBufferSize(Size buffer_size);

Size getBufferSize() const { return m_BufferSize; }

// data handling methods

const Byte *getData() const { return m_Buffer; }

Byte *useData() { return m_Buffer; };

Size getDataSize() const { return m_DataSize; }

Result setDataSize(Size size);

Result setData(const Byte *data, Size data_size);

Result appendData(const Byte *data, Size data_size);

// memory management

Result reserve(Size size);

protected:

// members

bool m_BufferIsLocal;

Byte *m_Buffer;

Size m_BufferSize;

Size m_DataSize;

// methods

Result reallocateBuffer(Size size);

private:

// forbid this

DataBuffer &operator=(const DataBuffer &other);