Scratch

//OS project, by our software development company.
//Put any comments on changes we should make up here.



#include <iostream>
//defines OS name
#define NAME "Bolt"
//allows string variables.
#include <string>



//use namespace and declare variables 
using namespace std;
int command;
int op1;
int op2;
bool codeNameExists = false;
string letter;
string number;
string codename;



void getCommand(void) //gets a command from the user.
{ 
     std::cout << "\n>>";
     std::cin >> command; 
         if (command != 4){ //Code to test for shutdown
                if (command == 1){
                            cout << "Operand 1: ";
                            cin >> op1;
                            cout << "Operand 2: ";
                            cin >> op2;
                            cout << op1 + op2 << " is the answer.";
                            }
                if (command == 2){
                            cout << NAME << " OS was created by a group of \n Scratchers in the Miscellaneous forums.";
                            }
                if (command == 3){
                            if (codeNameExists){
                                                cout << "Your current codename is: " << codename << endl;
                            }
                                                
                            cout << "What would you like your letter to be?";
                            cin  >> letter;
                            cout << "\nWhat would you like your number to be?";
                            cin >> number;
                            codename = letter + number;
                            cout << "Your codename is " << codename << endl;
                            codeNameExists = true;
                }
                getCommand();  
                }          
}






int main() {       //main program, not much body so far
    




    //welcome the user.
    //when we have a name, add it in.
    cout << "Welcome to " << NAME << " OS.\nKey:\n1: addition calculator\n2: About\n3: Codename\n4: Shutdown System ";
    getCommand();


    

                
}

#ifndef CALCULATOR_H_INCLUDED
#define CALCULATOR_H_INCLUDED

#include <iostream>
#include <string>
#include <sstream>
using namespace std;

// This revision adds default values and void functions.

void add (double num1=0.0, double num2=0.0, string input="0")
{
    cout << "This: ";
    cin >> input;
    stringstream(input) >> num1;
    cout << "plus this: ";
    cin >> input;
    stringstream(input) >> num2;

    double answer = num1 + num2;
    cout << num1 << " + " << num2 << " = " << answer;
}

void sub (double num1=0.0, double num2=0.0, string input="0")
{
    cout << "This: ";
    cin >> input;
    stringstream(input) >> num1;
    cout << "minus this: ";
    cin >> input;
    stringstream(input) >> num2;

    double answer = num1 - num2;
    cout << num1 << " - " << num2 << " = " << answer;
}

void mul (double num1=0.0, double num2=0.0, string input="0")
{
    cout << "This: ";
    cin >> input;
    stringstream(input) >> num1;
    cout << "times this: ";
    cin >> input;
    stringstream(input) >> num2;

    double answer = num1 * num2;
    cout << num1 << " * " << num2 << " = " << answer;
}

void div (double num1=0.0, double num2=0.0, string input="0")
{
    cout << "This: ";
    cin >> input;
    stringstream(input) >> num1;
    cout << "divided by this: ";
    cin >> input;
    stringstream(input) >> num2;

    double answer = num1 / num2;
    cout << num1 << " / " << num2 << " = " << answer;
}

int main ()
{
    string input;
    short loop = 1;

    while (loop == 1)
    {
        cout << "\n1) Add\n2) Subtract\n3) Multiply\n4) Divide\n5) Exit\n\nWhat would you like to do?\n";
        cin >> input;

        if (input == "1")
        {
            add ();
            continue;
        }

        else if (input == "2")
        {
            sub ();
            continue;
        }

        else if (input == "3")
        {
            mul ();
            continue;
        }

        else if (input == "4")
        {
            div ();
            continue;
        }

        else if (input == "5" || input == "quit")
        {
            loop = 0;
            break;
            return 0;
        }

        else
        {
            cout << "That is not a valid operation.  Please use the number listed with the operation you would like to preform.\n";
            continue;
        }
    }
}


#endif // CALCULATOR_H_INCLUDED

//OS project, by our software development company.
//Put any comments on changes we should make up here.



#include <iostream>
//defines OS name
#define NAME "Bolt"
//allows string variables.
#include <string>
#include "Calculator.h"



//use namespace and declare variables
using namespace std;
int command;
int op1;
int op2;
bool codeNameExists = false;
string letter;
string number;
string codename;



void getCommand(void) //gets a command from the user.
{
     std::cout << "\n>>";
     std::cin >> command;
         if (command != 4){ //Code to test for shutdown
                if (command == 1){
                            calc ();
                }
                if (command == 2){
                            cout << NAME << " OS was created by a group of \n Scratchers in the Miscellaneous forums.";
                            }
                if (command == 3){
                            if (codeNameExists){
                                                cout << "Your current codename is: " << codename << endl;
                            }

                            cout << "What would you like your letter to be?";
                            cin  >> letter;
                            cout << "\nWhat would you like your number to be?";
                            cin >> number;
                            codename = letter + number;
                            cout << "Your codename is " << codename << endl;
                            codeNameExists = true;
                }
                getCommand();
                }
}






int main() {       //main program, not much body so far





    //welcome the user.
    //when we have a name, add it in.
    cout << "Welcome to " << NAME << " OS.\nKey:\n1: addition calculator\n2: About\n3: Codename\n4: Shutdown System ";
    getCommand();





}