操作系统课程设计大作业（附源代码）.rar

#include"pch.h" #include<iostream> #include <map> #include<vector> #include"File.h" #include "Directory.h" using namespace std; #pragma warning(disable:4996) map<string, string> OrderMessage; //记录相关指令的使用信息 map<string, string>up; //用户和密码 vector<string> currentPath; Directory* root; Directory* current; //初始化程序 void initializeSystem(); //初步解析指令 void orderParsing(string &order, string &context); //操作数解析 void contextParsing(string context, string &firstcontext, string &secondcontext); //绝对路径解析 void pathParsing(vector<string> &path, string context); //依据绝对路径找到当前目录 Directory* selectDirectory(vector<string> path); //拷贝目录 void copyDir(string firstcontext, string secondcontext); //新建目录 void mkDir(string context); //void rnDir(vector<string> path, string Directoryname); //删除目录 void delDir(string context); //目录重命名 void rnDir(string path, string Directoryname); //打印当前目录情况 void printDir(); //拷贝目录 void cpDir(string firstcontext, string secondcontext); //返回上级 int cdReturn(); //进入目录 void cdPath(vector<string>path); int cdNext(string context); //创建文件 void createFile(string filename); //删除文件 void deleteFile(string filename); //重命名文件 void renameFile(string postname, string newname); //复制文件 void copyFile(string firstcontext, string secondcontext); //写文件 void writeFile(string filename); //读文件 void readFile(string filename); //显示帮助信息 void printHelp(); //清屏 void cleanPrinter(); int main() { initializeSystem(); cout << "Microsoft Windows [版本 10.0.17134.523]\n" << "(c)2018 Microsoft Corporation。保留所有权利。\n"; string order; string context; string firstcontext = "", secondcontext = ""; vector<string> path; int i; while (1) { //每次输入指令前自动换行 string path=currentPath[0]; for (i = 1; i < currentPath.size(); ++i) path = path + '\\' + currentPath[i]; cout<<endl << path <<" $ "; getline(cin, order); orderParsing(order, context); if (context.find_first_of(' ') != string::npos) { contextParsing(context, firstcontext, secondcontext); } if (order == "exit") //退出 { break; } else if (order == "mkdir") //新建目录 { if (context == "?") { cout << OrderMessage["mkdir"] << endl; } else if (context != "" && firstcontext == "") { mkDir(context); //cout << currentlocal->catalogbother->catalogaddress << endl; //cout << Memory[3] << endl; } else { cout << OrderMessage["ordererror"] << endl; } } else if (order == "deldir") //删除目录 { if (context == "?") { cout << OrderMessage["deldir"] << endl; } else if (context == "") { cout << OrderMessage["ordererror"] << endl; } else if (firstcontext != "") { cout << OrderMessage["ordererror"] << endl; } else { delDir(context); } } else if (order == "rndir") //目录重命名 { if (context == "?") { cout << OrderMessage["rndir"] << endl; } else if (firstcontext == "") { cout << OrderMessage["ordererror"] << endl; } else { //pathParsing(path, firstcontext); //rnDir(path, secondcontext); //当前目录下 rnDir(firstcontext, secondcontext); } } else if (order == "dir") //显示当前目录下的子目录 { if (context == "?") { cout << OrderMessage["dir"] << endl; } else if (context != "") { cout << OrderMessage["ordererror"] << endl; } else { printDir(); } } else if (order == "cpdir") //目录拷贝 { if (context == "?") { cout << OrderMessage["cpdir"] << endl; } else if (context == "" || firstcontext == "") { cout << OrderMessage["ordererror"] << endl; } else { copyDir(firstcontext, secondcontext); } } else if (order == "cd") { if (context == "?") { cout << OrderMessage["cd"] << endl; } else if (context == "" || firstcontext != "") { cout << OrderMessage["ordererror"] << endl; } else { vector<string> content; pathParsing(content, context); cdPath(content); } } else if (order == "create") //新建文件 { if (context == "?") { cout << OrderMessage["create"] << endl; } else if (context == "" || firstcontext != "") { cout << OrderMessage["ordererror"] << endl; } else { createFile(context); } } else if (order == "delete") //删除文件 { if (context == "?") { cout << OrderMessage["delete"] << endl; } else if (context == "" || firstcontext != "") { cout << OrderMessage["ordererror"] << endl; } else { deleteFile(context); } } else if (order == "rename") //文件重命名 { if (context == "?") { cout << OrderMessage["rename"] << endl; } else if (firstcontext == "") { cout << OrderMessage["ordererror"] << endl; } else { renameFile(firstcontext, secondcontext); } } else if (order == "copy") //文件拷贝 { if (context == "?") { cout << OrderMessage["copy"] << endl; } else if (firstcontext == "") { cout << OrderMessage["ordererror"] << endl; } else { copyFile(firstcontext, secondcontext); } } else if (order == "write") //读文件 { if (context == "?") { cout << OrderMessage["write"] << endl; } else if (context == "" || firstcontext != "") { cout << OrderMessage["ordererror"] << endl; } else { writeFile(context); } } else if (order == "read") //写文件 { if (context == "?") { cout << OrderMessage["read"] << endl; } else if (context == "" || firstcontext != "") { cout << OrderMessage["ordererror"] << endl; } else { readFile(context); } } else if (order == "help") //帮助命令 { printHelp(); } else if(order == "clean")//清屏 { cleanPrinter(); } else if(order =="") { } else //错误指令 { cout << "系统不存在该指令，请重新输入\n"; } context = ""; firstcontext = ""; secondcontext = ""; } return 0; } //初始化程序 void initializeSystem() { //帮助信息 OrderMessage["mkdir"] = string(3, ' ') + "[mkdir]:新建目录--mkdir dirname--dirname表示目录名"; OrderMessage["dir"] = "Hello"; OrderMessage["rndir"] = "rndir"; OrderMessage["ordererror"] = "指令使用格式错误"; //根目录初始化 root = new Directory("root",NULL); currentPath.push_back(string(root->dirName)); current = root; /*创建目录*/ root->mkDir("yay"); root->mkDir("lzr"); root->mkDir("guest"); /*创建用户*/ string psw = "123"; up.insert(pair<string, string>(string("yay"),psw)); up.insert(pair<string, string>(string("lzr"),psw)); up.insert(pair<string, string>(string("guest"), psw)); root->createFile("sys.ini"); /*登陆*/ bool flag = false; while (true) { cout << endl << current->dirName << " $ "; string order, context; getline(cin, order); orderParsing(order, context); if (order == "cd") { if (!up.count(context)) cout << "没有该用户目录" << endl; else { while (true) { cout << "password: "; string p; cin >> p; if (up[context] == p) { cdNext(context); flag = true; system("cls"); break; } } } } if (flag) break; } } //初步解析指令 void orderParsing(string &order, string &context) { if (order.size()<1) return;