filesystem.h

操作系统文件管理

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

#if !defined(AFX_FILESYSTEM_H__23CB4EE8_0BB8_4776_8DEA_461D18578CE9__INCLUDED_)
#define AFX_FILESYSTEM_H__23CB4EE8_0BB8_4776_8DEA_461D18578CE9__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#include <windows.h>
#define DIR 1
#define F 0

struct fcb
{
    char filename[40];
	char extendname[8];
	SYSTEMTIME createtime;
	SYSTEMTIME lastmodifytime;
	SYSTEMTIME readtime;
	int firstblock;
	int blocknums;
	int size;
	int type;//1表示目录，0表示文件
	struct fcb *father;
	struct fcb *child;
	struct fcb *rightbrother;
};

struct block
{
    
};

struct mem
{
	int state;
    char dirname[2];
	double size;
};

struct presentb//当前访问的分区
{
    int p;
	struct mem db[4];	
};

struct dir_
{
    int i;
	char dir[100][20];
};

class filesystem  
{
public:
	int back(int first,int n);
	void outFat();
	void weishitu();
	int spaceDistribute(int n);
	int mohupipei(char ch[]);
	void outputTree();
	void outputUrl();
	void run();
	void outputTime(struct fcb *p);
	int locateDir(int type);
	int analysisCmd();
	void exit_();
	void help();
	void getCmd();
	void tree(struct fcb *predir,int n);
	int rd();
	int del();
	int mk();
	int md();
	int dir();
	int cd();
	void init();
	filesystem();
	virtual ~filesystem();

protected:
//	double freesize;//可用空间
	struct presentb pd;//当前访问的分区	
	struct fcb *present,*front,*predir;//predir指向当前所处目录，present指向当前寻找的目录
	struct fcb *root,*c,*d,*e,*f;
	char cmd[100];
	char file[20];
	char url[100];
	int cp;//指向命令字符
	int dp;///指向当前分区号
	int dc;
	int fat[1000];//fat表
	int space[1000];//位视图
	struct dir_ dirs;
//	struct commond cmd;
};

#endif // !defined(AFX_FILESYSTEM_H__23CB4EE8_0BB8_4776_8DEA_461D18578CE9__INCLUDED_)