Subversion Repositories spk

/***************************************************************************** 

  ByteReader

  ----------

  Class making your life easier if you have to read single bits from a buffer

  by yoda

  WWW:      y0da.cjb.net

  E-mail:   LordPE@gmx.net

  You are allowed to use this class in your own projects if you keep this

  trademark.

*****************************************************************************/

#pragma once

#include <windows.h>

//

// ByteReader class

//

class ByteReader

{

public:

	ByteReader(void);

	ByteReader( void* pBuff, DWORD dwSize );

	~ByteReader(void);

	void    InitVars();

	BOOL    Assign( void *pBuff, DWORD dwSize );

	DWORD   GetUnusedBitCount();

	DWORD   GetTotalBitCount();

	DWORD   GetReadByteCount();

	BYTE    ReadBit();

	BYTE    ReadByte();

	WORD    ReadWord();

	DWORD   ReadDword();

	DWORD   ReadBits( DWORD dwBitCount );

protected:

	void*          pBuffer;

	DWORD          cbBuffer, dwBitsLeft, dwBitsTotal, dwIndex;

	BYTE           byCur;

	BYTE           byBits2Do;

};

typedef ByteReader *PByteReader;