#ifndef  __WBANetwork_Stream_H
#define  __WBANetwork_Stream_H


#define  STREAM_DEFAULT_SIZE		256

namespace WBANetwork
{
	class Stream
	{
	public:
		Stream(int size = STREAM_DEFAULT_SIZE);
		Stream(Stream& stream);
		Stream(PBYTE buffer, int len);
		~Stream();

		unsigned long		GetDataSize()		{ return m_dataSize;	}
		unsigned long		GetBufferSize()		{ return m_bufferSize;	}
		LPBYTE				GetBuffer()			{ return m_buffer;		}

		void				Clear(int resize = 0);

		bool				Write(void* source, int size);
		bool				Read(void* dest, int size);


		template<class _T> Stream& operator << (_T arg)
		{
			Write(&arg, sizeof(_T));
			return *this;
		}

		template<class _T> Stream& operator >> (_T& arg)
		{
			Read(&arg, sizeof(_T));
			return *this;
		}

		Stream& operator =  (Stream& stream);
		Stream& operator << (Stream& stream);

	private:
		BYTE			m_defaultBuffer[STREAM_DEFAULT_SIZE];
		LPBYTE			m_buffer, m_readPos, m_endPos;
		unsigned long	m_dataSize, m_bufferSize;
	};
}

#endif