bitary.h

跨操作系统的微型中间件

/************************************************************************
*
*   文件名：bitary.h
*
*   文件描述：位数组类
*
*   创建人： [e-mail] 2006-3-6
*
*   版本号：1.0
*
*   修改记录：
*
************************************************************************/
#ifndef __OS_MODULE_BITARY_HEADER__
#define __OS_MODULE_BITARY_HEADER__

class Cbitary
{
#define ONE_BYTE_OWN_BIT_SUM	8
#define MIN_ALLOC_NUM			16
#define ALLOC_MULTIPLE			8
public:
	Cbitary( unsigned long ulArySize = 0 );
	~Cbitary(void);

	Cbitary(const Cbitary& bits);
	Cbitary& operator=(const Cbitary& bits);
	
	bool Alloc( unsigned long ulArySize );
	void Push( unsigned char uVal );
	void Pop( );
	void SetAll();
	void ResetAll();
	bool Set( unsigned long ulIndex );
	bool Reset( unsigned long ulIndex );
	bool Test( unsigned long ulIndex ) const;
	bool TestAll() const;
	void Construct( const unsigned char* pBuf, unsigned long ulBufSize, unsigned long ulBitSum );
	const unsigned char* GetBuffer() {return m_pBuf;}
	unsigned long GetBufSize() {return m_ulCurrUseBufSize;}
	unsigned long GetBitSum() {return m_ulBitSum;}
private:
	unsigned char* m_pBuf;
	unsigned long m_ulBufTotalSize;
	unsigned long m_ulCurrUseBufSize;
	unsigned long m_ulBitSum;
	static unsigned char s_aryAndMark[ONE_BYTE_OWN_BIT_SUM];
	static unsigned char s_aryOrMark[ONE_BYTE_OWN_BIT_SUM];
	static unsigned char s_aryOrMarkForRemainder[ONE_BYTE_OWN_BIT_SUM];
};

#endif