bytestring.h

自己编写的一个采用LZW压缩算法对文件进行压缩的程序；

// ByteString.h: interface for the CByteString class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_BYTESTRING_H__10902D53_634C_4981_A1E1_1DE66B8DEA2C__INCLUDED_)
#define AFX_BYTESTRING_H__10902D53_634C_4981_A1E1_1DE66B8DEA2C__INCLUDED_

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

#include "TypeDefine.h"

class CByteString  
{
	friend CByteString operator+(const CByteString& str1,const CByteString& str2);
	friend CByteString operator+(const CByteString& str, BYTE ch);
	friend CByteString operator+(BYTE ch, const CByteString& str);
public:	
	void Decrease();
	CByteString();
	CByteString(BYTE ch);
	CByteString(BYTE* pBuf, int len);
	CByteString(const CByteString& str);	
	virtual ~CByteString();
	
	int SetSize(int nLen);
	int GetLength();
	BYTE* GetBuffer();
	void Empty();
	bool Append(BYTE ch);
	bool Append(BYTE* pBuf,int nLen);	
	int Find(BYTE ch) const;
	void SetAt(int nIdx, BYTE ch);
	const CByteString& operator=(BYTE ch);
	const CByteString& operator=(const CByteString& str);
	BYTE& operator[](int nIdx);
	int Delete(int nIdx, int nCount=1);
	int Insert(int nIdx, BYTE ch);
	int Insert(int nIdx, BYTE*pBuf, int nLen);

private:
	BYTE* m_pBuf;
	int m_curLen;
	int m_bufLen;
};

#endif // !defined(AFX_BYTESTRING_H__10902D53_634C_4981_A1E1_1DE66B8DEA2C__INCLUDED_)