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iscooool
SimpleFileSyetem
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#ifndef _SHELL_H
#define _SHELL_H
#define CMD_COUNT 20
#define MAX_LENGTH 30
#define CNUM 21
#define CLENGTH 100
class Shell {
public:
enum CmdCode {
LS = 0,
TOUCH = 1,
MKDIR = 2,
CD = 3,
RM = 4,
OPEN = 5,
READ = 6,
WRITE = 7,
CLOSE = 8,
LSOF = 9,
SEEK = 10,
FORMAT = 11,
SHUTDOWN = 12
};
char CodeTable[CMD_COUNT][MAX_LENGTH];
Shell();
~Shell();
/**
*@ comment 运行Shell
*/
void RunShell(); //运行Shell
/**
*@ comment 将指令转换为相应的code
*/
int Cmd2Code(char* cmd); //cmd映射为Code
/**
*@ comment 解析一行命令成一个数组
*/
char* ParseCmd(char* cli);
/**
*@ comment 处理单个指令
*/
int CmdEntrance(char* cli); //处理单个指令
/**
*@ comment 列出当前目录的所有文件或者目录名
*/
void ls();
/**
*@ comment 创建目录
*/
void mkdir(char* fName);
/**
*@ comment 改变当前目录
*/
void cd(char* Path);
/**
*@ comment 打开文件,修改打开文件列表
*/
void open(char* fName);
/**
*@ comment 读文件
*/
void read(int fd, int length);
/**
*@ comment 写文件
*/
void write(int fd, int length);
/**
*@ comment 关闭文件
*/
void close(int fd);
/**
*@ comment 输出当前已经打开的文件列表
*/
void lsof();
/**
*@ comment 改变读写指针的offset
*/
void seek(int fd, int position);
};
#endif
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