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Money! v1.0

A simple calculating program used to mock a checkbook. Shows simple but good use of "fstream" and "switch" statement.

Submitted By: ihatepikingnames

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Rating:

Views: 1,890

Language: C++

Last Modified: October 31, 2006

Instructions: Just complile Money.cpp. Don't forget to put the header in the include path.
PS: you could easily make the headers part of the code... its just not my style.

Snippet

/*Money! v1.0 by Boomer 2006.10
underscoredot@yahoo.com*/
//Money.cpp (save as so)
#include <iostream> //<--*
#include <fstream> // *
using namespace std; // ***Good call Xing,
#include <add> // * I'm just lazy.
#include <sub> //<--*
void add(); //in Add.h
void sub(); //in Sub.h
enum BOOL { FALSE, TRUE };
typedef unsigned short int USHORT;
USHORT menu();
int main()
{
BOOL exit = FALSE;
for (;;)
{
USHORT choice = menu();
switch(choice)
{
case (1):
Add();
break;
case (2):
Sub();
break;
case (3):
exit=TRUE;
break;
default:
cout << "Please select again!\n";
break;
} // end switch
if (exit)
break;
} // end forever
return 0;
} // end main()
USHORT menu()
{
USHORT choice;
cout << "\n **** Money! ****\n\n";
cout << "(1) Add $$.\n";
cout << "(2) Subtract $$.\n";
cout << "(3) Exit.\n\n";
cin >> choice;
return choice;
}
//****************************************************
//add.h (save as so)
float Option(float A, float B){return A+B;}
void Add()
{
char RUSure;
float numA, numB, numC;
ifstream datain ( "MoneybyBoomer.txt" );
datain>> numA;
cout<< "You currently have $"<< numA <<"\n";
restart: //for goto statement
cout<< "How much would you like to add?" <<"\n";
cin>> numB;
cout << '\n' << "Is this the right amount? (Y)es or (N)o. ";
cin >> RUSure;
while(RUSure == 'y')
{
numC = Option(numA, numB);
ofstream dataout ( "MoneybyBoomer.txt" );
dataout<< numC;
dataout.close();
datain>> numC;
cout<< "Well shit, now you have $" << numC << "!" << "\n";
break;
}
while(RUSure !='y'){goto restart;}
}
//*****************************************************
//sub.h (save as so)
float Boption(float C, float D){return C-D;}
void Sub()
{
char RUSure;
float numA, numB, numC;
ifstream datain ( "MoneybyBoomer.txt" );
datain>> numA;
cout<< "You currently have $"<< numA <<"\n";
restart: //for goto statement
cout<< "How much would you like to Subtract?" <<"\n";
cin>> numB;
cout << '\n' << "Is this the right amount? (Y)es or (N)o. ";
cin >> RUSure;
while(RUSure == 'y')
{
numC = Boption(numA, numB);
ofstream dataout ( "MoneybyBoomer.txt" );
dataout<< numC;
dataout.close();
datain>> numC;
cout<< "Well shit, now you have $" << numC << "!" << "\n";
break;
}
while(RUSure !='y'){goto restart;}
} //end sub() //end add()

Copy & Paste

/*Money! v1.0 by Boomer 2006.10
underscoredot@yahoo.com*/

//Money.cpp (save as so)

#include <iostream>   //<--*
    #include <fstream>    //   *
    using namespace std;  //   ***Good call Xing,
      #include <add>      //   *  I'm just lazy.
      #include <sub>      //<--*

void add(); //in Add.h
     void sub(); //in Sub.h
    enum BOOL { FALSE, TRUE };
    typedef unsigned short int USHORT;
    
     
    USHORT menu();

int main()
    {

BOOL exit = FALSE;
        for (;;)
        {
             USHORT choice = menu();
             switch(choice)
             {
                case (1):
                     Add();
                     break;
                case (2):
                     Sub();
                     break;
                case (3):
                     exit=TRUE;
                     break;
                default:
                     cout << "Please select again!\n";
                     break;
             }           // end switch

if (exit)
                    break;
        }                // end forever
       return 0;
    }                    // end main()

USHORT menu()
    {
        USHORT choice;

cout << "\n **** Money! ****\n\n";
        cout << "(1) Add $$.\n";
        cout << "(2) Subtract $$.\n";
        cout << "(3) Exit.\n\n";

cin >> choice;
        return choice;
    }
//****************************************************
//add.h (save as so)

float Option(float A, float B){return A+B;}

void Add()
     {
       char RUSure;
       float numA, numB, numC;

ifstream datain ( "MoneybyBoomer.txt" );
       datain>> numA;
       cout<< "You currently have $"<< numA <<"\n";

restart:                                                              //for goto statement
       cout<< "How much would you like to add?" <<"\n";
       cin>> numB;
       cout << '\n' << "Is this the right amount? (Y)es or (N)o. ";
       cin >> RUSure;

while(RUSure == 'y')
          {
            numC = Option(numA, numB);
             ofstream dataout ( "MoneybyBoomer.txt" );
             dataout<< numC;
            dataout.close();
             datain>> numC;
             cout<< "Well shit, now you have $" << numC << "!" << "\n";
            break;                                                   
          }

while(RUSure !='y'){goto restart;}

}     
//*****************************************************
//sub.h (save as so)

float Boption(float C, float D){return C-D;}

void Sub()
     {
       char RUSure;
       float numA, numB, numC;

ifstream datain ( "MoneybyBoomer.txt" );
     datain>> numA;
     cout<< "You currently have $"<< numA <<"\n";

restart:                                                              //for goto statement
     cout<< "How much would you like to Subtract?" <<"\n";
     cin>> numB;
     cout << '\n' << "Is this the right amount? (Y)es or (N)o. ";
     cin >> RUSure;

while(RUSure == 'y')
          {
            numC = Boption(numA, numB);
              ofstream dataout ( "MoneybyBoomer.txt" );
             dataout<< numC;
            dataout.close();
             datain>> numC;
             cout<< "Well shit, now you have $" << numC << "!" << "\n";
            break;
          }

while(RUSure !='y'){goto restart;}

}                                         //end sub()                                          //end add()