buffer.h

来自「有计算机图形学、图像处理、dbms、sniffer、中游俄罗斯外挂、othell」· C头文件 代码 · 共 41 行

// Buffer.h: interface for the CBuffer class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_BUFFER_H__B1E277C7_8F93_4B2E_80A3_688498A5DFA0__INCLUDED_)
#define AFX_BUFFER_H__B1E277C7_8F93_4B2E_80A3_688498A5DFA0__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "DEF.h"

class CBuffer  
{
    PDB *data;//0号废弃
	UINT length;//长度(可容纳指针数)
	UINT increase;//长度增量(指针数)
public:
    UINT count;//数据库指针个数(已容纳指针数)
public:
	
	BOOL Contain(PDB recptr);
	CBuffer *operator -(const CBuffer &buf);
	CBuffer *operator +(const CBuffer &buf);
	CBuffer *operator *(const CBuffer &buf);
	PDB operator [](UINT index) const;
	CBuffer &operator =(const CBuffer &buffer);
    void HeapSort();
	BOOL Append(PDB dbptr);
	CBuffer(UINT len,UINT incr);
	CBuffer();
	virtual ~CBuffer();

private:
	void HeapAdjust(UINT s,UINT m);
	double log2(double x);
};

#endif // !defined(AFX_BUFFER_H__B1E277C7_8F93_4B2E_80A3_688498A5DFA0__INCLUDED_)