data.h

此代码运行于visual c++ 6.0的环境下

// Data.h: interface for the Data class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_DATA_H__82D5F369_3AE7_45DD_B557_E590E9D6D43F__INCLUDED_)
#define AFX_DATA_H__82D5F369_3AE7_45DD_B557_E590E9D6D43F__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <fstream>
#include <string>
#include <iostream>
using std::string;
using std::fstream;
using std::ostream;
using std::endl;


//倒排文件索引类
class CData  
{
public:
	long Offset;									//记录关键码在源文件中的偏移两
	string FileName;								//记录含有关键码的文件的名字
	
	CData(){}										//构造函数
	
	CData( long pos, const char * name ){			//构造函数
		Offset = pos;
		FileName = name;
	}
	
	CData( const CData & data ){					//拷贝构造函数
		Offset = data.Offset;
		FileName = data.FileName;
	}

	virtual ~CData(){}								//析构函数
	
	CData & operator = (const CData & data){		//重载等号运算符
		Offset = data.Offset;
		FileName = data.FileName;
		return *this;
	}
	friend fstream & operator >> ( fstream & in , CData & data );//重载文件流运算符
	friend fstream & operator << ( fstream & out, CData & data );
	friend ostream & operator << ( ostream & out, CData & data );//重载输出运算符
	friend bool operator == ( const CData & fir,const CData & sec);//重载==运算符

};

#endif // !defined(AFX_DATA_H__82D5F369_3AE7_45DD_B557_E590E9D6D43F__INCLUDED_)