notepad in Console


#include 
#include 
#include 
#include 

using namespace std;

void showMenu() {
    cout << "\n--- Console Notepad ---\n";
    cout << "1. New Note\n";
    cout << "2. Load Note\n";
    cout << "3. Save Note\n";
    cout << "4. View Note\n";
    cout << "5. Exit\n";
    cout << "Choose an option: ";
}

void newNote(vector& buffer) {
    buffer.clear();
    cout << "Enter your note (type ':wq' to finish):\n";
    string line;
    while (getline(cin, line)) {
        if (line == ":wq") break;
        buffer.push_back(line);
    }
}

void saveNote(const vector& buffer) {
    string filename;
    cout << "Enter filename to save: ";
    cin >> filename;
    cin.ignore(); // clear input buffer
    ofstream file(filename);
    if (file.is_open()) {
        for (const string& line : buffer)
            file << line << endl;
        file.close();
        cout << "Note saved to " << filename << endl;
    } else {
        cerr << "Error opening file for writing.\n";
    }
}

void loadNote(vector& buffer) {
    string filename;
    cout << "Enter filename to load: ";
    cin >> filename;
    cin.ignore(); // clear input buffer
    ifstream file(filename);
    if (file.is_open()) {
        buffer.clear();
        string line;
        while (getline(file, line))
            buffer.push_back(line);
        file.close();
        cout << "Note loaded from " << filename << endl;
    } else {
        cerr << "File not found.\n";
    }
}

void viewNote(const vector& buffer) {
    cout << "\n--- Note Content ---\n";
    for (const string& line : buffer)
        cout << line << endl;
}

int main() {
    vector noteBuffer;
    int choice;

    while (true) {
        showMenu();
        cin >> choice;
        cin.ignore(); // clear newline from input

        switch (choice) {
            case 1:
                newNote(noteBuffer);
                break;
            case 2:
                loadNote(noteBuffer);
                break;
            case 3:
                saveNote(noteBuffer);
                break;
            case 4:
                viewNote(noteBuffer);
                break;
            case 5:
                cout << "Exiting Notepad.\n";
                return 0;
            default:
                cout << "Invalid option. Try again.\n";
        }
    }

    return 0;
}


--- Console Notepad ---
1. New Note
2. Load Note
3. Save Note
4. View Note
5. Exit
Choose an option: 1
Enter your note (type ':wq' to finish):
This is my first note.
It has multiple lines.
:wq

--- Console Notepad ---
1. New Note
2. Load Note
3. Save Note
4. View Note
5. Exit
Choose an option: 4

--- Note Content ---
This is my first note.
It has multiple lines.

--- Console Notepad ---
1. New Note
2. Load Note
3. Save Note
4. View Note
5. Exit
Choose an option: 3
Enter filename to save: mynote.txt
Note saved to mynote.txt

--- Console Notepad ---
1. New Note
2. Load Note
3. Save Note
4. View Note
5. Exit
Choose an option: 5
Exiting Notepad.