Three.cpp

#include <iostream>
#include <string>
#include <vector>
#include <sstream>
#include <fstream>
#include <filesystem>

namespace fs = std::filesystem;

// Function declarations
void displayCommands();
void createFile(const std::string& filename);
void deleteFile(const std::string& filename);
void openFile(const std::string& filename);
void readFile(const std::string& filename);
void writeFile(const std::string& filename);
void appendToFile(const std::string& filename);
void renameFile(const std::string& oldname, const std::string& newname);
void copyFile(const std::string& source, const std::string& destination);
void moveFile(const std::string& source, const std::string& destination);
void changePermissions(const std::string& filename);
void getFileInformation(const std::string& filename);
void listFiles(const std::string& directory);
void navigateDirectory(const std::string& directory);
void createProcess(const std::string& processName);
void terminateProcess(const std::string& processName);
void suspendProcess(const std::string& processName);
void resumeProcess(const std::string& processName);
void getProcessInformation(const std::string& processName);
void scheduleProcesses();
void allocateMemory(const std::string& processName, int size);
void freeMemory(const std::string& processName);
void handleUserInput();
void displayOutput(const std::string& output);
void handleSystemInterrupts();
void establishNetworkConnection(const std::string& ipAddress);
void sendData(const std::string& data);
void receiveData();
void implementProtocol(const std::string& protocol);
void manageNetworkInterfaces();
void authenticateUser(const std::string& username, const std::string& password);
void authorizeUser(const std::string& username, const std::string& permission);
void encryptFile(const std::string& filename);
void decryptFile(const std::string& filename);
void configureSystem();
void manageUsers();
void installSoftware(const std::string& softwareName);
void backupSystem();
void restoreSystem();
void handleErrors();
void manageDateTime();
void managePower();
void manageSettings();
void handleGUI();
void handleCLI();

int main() {
    std::string command;

    std::cout << "Welcome to MyOS!\n";
    displayCommands();

    while (true) {
        std::cout << "\nEnter a command: ";
        std::getline(std::cin, command);

        // Splitting the command into tokens
        std::vector<std::string> tokens;
        std::string token;
        std::stringstream ss(command);
        while (ss >> token) {
            tokens.push_back(token);
        }

        if (tokens.empty()) {
            continue;
        }

        if (tokens[0] == "help") {
            displayCommands();
        } else if (tokens[0] == "create") {
            if (tokens.size() >= 2) {
                createFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: create <filename>\n";
            }
        } else if (tokens[0] == "delete") {
            if (tokens.size() >= 2) {
                deleteFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: delete <filename>\n";
            }
        } else if (tokens[0] == "open") {
            if (tokens.size() >= 2) {
                openFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: open <filename>\n";
            }
        } else if (tokens[0] == "read") {
            if (tokens.size() >= 2) {
                readFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: read <filename>\n";
            }
        } else if (tokens[0] == "write") {
            if (tokens.size() >= 2) {
                writeFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: write <filename>\n";
            }
        } else if (tokens[0] == "append") {
            if (tokens.size() >= 2) {
                appendToFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: append <filename>\n";
            }
        } else if (tokens[0] == "rename") {
            if (tokens.size() >= 3) {
                renameFile(tokens[1], tokens[2]);
            } else {
                std::cout << "Invalid command. Usage: rename <oldname> <newname>\n";
            }
        } else if (tokens[0] == "copy") {
            if (tokens.size() >= 3) {
                copyFile(tokens[1], tokens[2]);
            } else {
                std::cout << "Invalid command. Usage: copy <source> <destination>\n";
            }
        } else if (tokens[0] == "move") {
            if (tokens.size() >= 3) {
                moveFile(tokens[1], tokens[2]);
            } else {
                std::cout << "Invalid command. Usage: move <source> <destination>\n";
            }
        } else if (tokens[0] == "permissions") {
            if (tokens.size() >= 2) {
                changePermissions(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: permissions <filename>\n";
            }
        } else if (tokens[0] == "info") {
            if (tokens.size() >= 2) {
                getFileInformation(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: info <filename>\n";
            }
        } else if (tokens[0] == "list") {
            if (tokens.size() >= 2) {
                listFiles(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: list <directory>\n";
            }
        } else if (tokens[0] == "navigate") {
            if (tokens.size() >= 2) {
                navigateDirectory(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: navigate <directory>\n";
            }
        } else if (tokens[0] == "createprocess") {
            if (tokens.size() >= 2) {
                createProcess(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: createprocess <processName>\n";
            }
        } else if (tokens[0] == "terminate") {
            if (tokens.size() >= 2) {
                terminateProcess(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: terminate <processName>\n";
            }
        } else if (tokens[0] == "suspend") {
            if (tokens.size() >= 2) {
                suspendProcess(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: suspend <processName>\n";
            }
        } else if (tokens[0] == "resume") {
            if (tokens.size() >= 2) {
                resumeProcess(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: resume <processName>\n";
            }
        } else if (tokens[0] == "getinfo") {
            if (tokens.size() >= 2) {
                getProcessInformation(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: getinfo <processName>\n";
            }
        } else if (tokens[0] == "schedule") {
            scheduleProcesses();
        } else if (tokens[0] == "allocate") {
            if (tokens.size() >= 3) {
                allocateMemory(tokens[1], std::stoi(tokens[2]));
            } else {
                std::cout << "Invalid command. Usage: allocate <processName> <size>\n";
            }
        } else if (tokens[0] == "free") {
            if (tokens.size() >= 2) {
                freeMemory(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: free <processName>\n";
            }
        } else if (tokens[0] == "input") {
            handleUserInput();
        } else if (tokens[0] == "output") {
            if (tokens.size() >= 2) {
                displayOutput(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: output <text>\n";
            }
        } else if (tokens[0] == "interrupts") {
            handleSystemInterrupts();
        } else if (tokens[0] == "connect") {
            if (tokens.size() >= 2) {
                establishNetworkConnection(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: connect <ipAddress>\n";
            }
        } else if (tokens[0] == "send") {
            if (tokens.size() >= 2) {
                sendData(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: send <data>\n";
            }
        } else if (tokens[0] == "receive") {
            receiveData();
        } else if (tokens[0] == "protocol") {
            if (tokens.size() >= 2) {
                implementProtocol(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: protocol <protocol>\n";
            }
        } else if (tokens[0] == "interfaces") {
            manageNetworkInterfaces();
        } else if (tokens[0] == "authenticate") {
            if (tokens.size() >= 3) {
                authenticateUser(tokens[1], tokens[2]);
            } else {
                std::cout << "Invalid command. Usage: authenticate <username> <password>\n";
            }
        } else if (tokens[0] == "authorize") {
            if (tokens.size() >= 3) {
                authorizeUser(tokens[1], tokens[2]);
            } else {
                std::cout << "Invalid command. Usage: authorize <username> <permission>\n";
            }
        } else if (tokens[0] == "encrypt") {
            if (tokens.size() >= 2) {
                encryptFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: encrypt <filename>\n";
            }
        } else if (tokens[0] == "decrypt") {
            if (tokens.size() >= 2) {
                decryptFile(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: decrypt <filename>\n";
            }
        } else if (tokens[0] == "configure") {
            configureSystem();
        } else if (tokens[0] == "users") {
            manageUsers();
        } else if (tokens[0] == "install") {
            if (tokens.size() >= 2) {
                installSoftware(tokens[1]);
            } else {
                std::cout << "Invalid command. Usage: install <softwareName>\n";
            }
        } else if (tokens[0] == "backup") {
            backupSystem();
        } else if (tokens[0] == "restore") {
            restoreSystem();
        } else if (tokens[0] == "errors") {
            handleErrors();
        } else if (tokens[0] == "datetime") {
            manageDateTime();
        } else if (tokens[0] == "power") {
            managePower();
        } else if (tokens[0] == "settings") {
            manageSettings();
        } else if (tokens[0] == "gui") {
            handleGUI();
        } else if (tokens[0] == "cli") {
            handleCLI();
        } else if (tokens[0] == "exit") {
            break;
        } else {
            std::cout << "Invalid command. Type 'help' to see the list of available commands.\n";
        }
    }

    return 0;
}

// Function definitions

void displayCommands() {
    std::cout << "Available commands:\n"
              << "help\n"
              << "create <filename>\n"
              << "delete <filename>\n"
              << "open <filename>\n"
              << "read <filename>\n"
              << "write <filename>\n"
              << "append <filename>\n"
              << "rename <oldname> <newname>\n"
              << "copy <source> <destination>\n"
              << "move <source> <destination>\n"
              << "permissions <filename>\n"
              << "info <filename>\n"
              << "list <directory>\n"
              << "navigate <directory>\n"
              << "createprocess <processName>\n"
              << "terminate <processName>\n"
              << "suspend <processName>\n"
              << "resume <processName>\n"
              << "getinfo <processName>\n"
              << "schedule\n"
              << "allocate <processName> <size>\n"
              << "free <processName>\n"
              << "input\n"
              << "output <text>\n"
              << "interrupts\n"
              << "connect <ipAddress>\n"
              << "send <data>\n"
              << "receive\n"
              << "protocol <protocol>\n"
              << "interfaces\n"
              << "authenticate <username> <password>\n"
              << "authorize <username> <permission>\n"
              << "encrypt <filename>\n"
              << "decrypt <filename>\n"
              << "configure\n"
              << "users\n"
              << "install <softwareName>\n"
              << "backup\n"
              << "restore\n"
              << "errors\n"
              << "datetime\n"
              << "power\n"
              << "settings\n"
              << "gui\n"
              << "cli\n"
              << "exit\n";
}

void createFile(const std::string& filename) {
    std::ofstream file(filename);
    if (file) {
        std::cout << "File created successfully.\n";
        file.close();
    } else {
        std::cout << "Failed to create file.\n";
    }
}

void deleteFile(const std::string& filename) {
    if (std::remove(filename.c_str()) == 0) {
        std::cout << "File deleted successfully.\n";
    } else {
        std::cout << "Failed to delete file.\n";
    }
}

void openFile(const std::string& filename) {
    std::ifstream file(filename);
    if (file) {
        std::cout << "File opened successfully.\n";
        // Read and process the file contents if needed
        file.close();
    } else {
        std::cout << "Failed to open file.\n";
    }
}

void readFile(const std::string& filename) {
    std::ifstream file(filename);
    if (file) {
        std::string line;
        while (std::getline(file, line)) {
            std::cout << line << '\n';
        }
        file.close();
    } else {
        std::cout << "Failed to read file.\n";
    }
}

void writeFile(const std::string& filename) {
    std::ofstream file(filename);
    if (file) {
        std::string line;
        std::cout << "Enter text. Press Ctrl+D (Unix) or Ctrl+Z (Windows) to finish:\n";
        while (std::getline(std::cin, line)) {
            file << line << '\n';
        }
        file.close();
        std::cout << "File written successfully.\n";
    } else {
        std::cout << "Failed to write file.\n";
    }
}

void appendToFile(const std::string& filename) {
    std::ofstream file(filename, std::ios_base::app);
    if (file) {
        std::string line;
        std::cout << "Enter text to append. Press Ctrl+D (Unix) or Ctrl+Z (Windows) to finish:\n";
        while (std::getline(std::cin, line)) {
            file << line << '\n';
        }
        file.close();
        std::cout << "File appended successfully.\n";
    } else {
        std::cout << "Failed to append to file.\n";
    }
}

void renameFile(const std::string& oldname, const std::string& newname) {
    if (std::rename(oldname.c_str(), newname.c_str()) == 0) {
        std::cout << "File renamed successfully.\n";
    } else {
        std::cout << "Failed to rename file.\n";
    }
}

void copyFile(const std::string& source, const std::string& destination) {
    std::ifstream src(source, std::ios::binary);
    std::ofstream dst(destination, std::ios::binary);
    if (src && dst) {
        dst << src.rdbuf();
        std::cout << "File copied successfully.\n";
    } else {
        std::cout << "Failed to copy file.\n";
    }
}

void moveFile(const std::string& source, const std::string& destination) {
    if (std::rename(source.c_str(), destination.c_str()) == 0) {
        std::cout << "File moved successfully.\n";
    } else {
        std::cout << "Failed to move file.\n";
    }
}

void changePermissions(const std::string& filename) {
    if (std::chmod(filename.c_str(), S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) == 0) {
        std::cout << "File permissions changed successfully.\n";
    } else {
        std::cout << "Failed to change file permissions.\n";
    }
}

void getFileInformation(const std::string& filename) {
    struct stat fileStat;
    if (stat(filename.c_str(), &fileStat) == 0) {
        std::cout << "File information:\n"
                  << "Size: " << fileStat.st_size << " bytes\n"
                  << "Creation time: " << ctime(&fileStat.st_ctime)
                  << "Last access time: " << ctime(&fileStat.st_atime)
                  << "Last modification time: " << ctime(&fileStat.st_mtime) << '\n';
    } else {
        std::cout << "Failed to get file information.\n";
    }
}

void listFilesInDirectory(const std::string& directory) {
    DIR* dir;
    struct dirent* ent;
    if ((dir = opendir(directory.c_str())) != NULL) {
        while ((ent = readdir(dir)) != NULL) {
            std::cout << ent->d_name << '\n';
        }
        closedir(dir);
    } else {
        std::cout << "Failed to list files in directory.\n";
    }
}

void navigateDirectories(const std::string& directory) {
    if (chdir(directory.c_str()) == 0) {
        std::cout << "Navigated to directory: " << directory << '\n';
    } else {
        std::cout << "Failed to navigate to directory.\n";
    }
}

void createProcess(const std::string& processName) {
    // Code to create a new process
    std::cout << "Process created: " << processName << '\n';
}

void terminateProcess(const std::string& processName) {
    // Code to terminate a process
    std::cout << "Process terminated: " << processName << '\n';
}

void suspendProcess(const std::string& processName) {
    // Code to suspend a process
    std::cout << "Process suspended: " << processName << '\n';
}

void resumeProcess(const std::string& processName) {
    // Code to resume a process
    std::cout << "Process resumed: " << processName << '\n';
}

void getProcessInformation(const std::string& processName) {
    // Code to get process information
    std::cout << "Process information for: " << processName << '\n';
}

void scheduleProcesses() {
    // Code to schedule processes
    std::cout << "Processes scheduled.\n";
}

void allocateMemory(const std::string& processName, int size) {
    // Code to allocate memory for a process
    std::cout << "Memory allocated for process: " << processName << ", size: " << size << " bytes\n";
}

void freeMemory(const std::string& processName) {
    // Code to free allocated memory for a process
    std::cout << "Memory freed for process: " << processName << '\n';
}

void handleUserInput() {
    // Code to handle user input
    std::cout << "Waiting for user input...\n";
}

void displayOutput(const std::string& text) {
    // Code to display output
    std::cout << "Output: " << text << '\n';
}

void handleSystemInterrupts() {
    // Code to handle system interrupts
    std::cout << "System interrupts handled.\n";
}

void establishNetworkConnection(const std::string& ipAddress) {
    // Code to establish network connection
    std::cout << "Network connection established. IP Address: " << ipAddress << '\n';
}

void sendData(const std::string& data) {
    // Code to send data over the network
    std::cout << "Data sent: " << data << '\n';
}

void receiveData() {
    // Code to receive data over the network
    std::cout << "Data received.\n";
}

void implementNetworkProtocol(const std::string& protocol) {
    // Code to implement network protocol
    std::cout << "Network protocol implemented: " << protocol << '\n';
}

void manageNetworkInterfaces() {
    // Code to manage network interfaces
    std::cout << "Network interfaces managed.\n";
}

void authenticateUser(const std::string& username, const std::string& password) {
    // Code to authenticate user
    std::cout << "User authenticated: " << username << '\n';
}

void authorizeUser(const std::string& username, const std::string& permission) {
    // Code to authorize user
    std::cout << "User authorized: " << username << ", permission: " << permission << '\n';
}

void encryptFile(const std::string& filename) {
    // Code to encrypt file
    std::cout << "File encrypted: " << filename << '\n';
}

void decryptFile(const std::string& filename) {
    // Code to decrypt file
    std::cout << "File decrypted: " << filename << '\n';
}

void configureSystem() {
    // Code to configure system
    std::cout << "System configured.\n";
}

void manageUsers() {
    // Code to manage users
    std::cout << "Users managed.\n";
}

void installSoftware(const std::string& softwareName) {
    // Code to install software
    std::cout << "Software installed: " << softwareName << '\n';
}

void backupSystem() {
    // Code to backup system
    std::cout << "System backed up.\n";
}

void restoreSystem() {
    // Code to restore system
    std::cout << "System restored.\n";
}

void handleErrors() {
    // Code to handle errors
    std::cout << "Errors handled.\n";
}

void manageDateTime() {
    // Code to manage date and time
    std::cout << "Date and time managed.\n";
}

void managePower() {
    // Code to manage power
    std::cout << "Power managed.\n";
}

void manageSettings() {
    // Code to manage system settings
    std::cout << "System settings managed.\n";
}

void handleGUI() {
    // Code to handle GUI
    std::cout << "GUI handled.\n";
}

void handleCLI() {
    // Code to handle CLI
    std::cout << "CLI handled.\n";
}