/******************************************/
#include "cstdlib"
#include "string"
#include "iostream"
 
using namespace std;
 
class Option
{
private:
int option_number; // for display and vector purposes
string name; // title for user to read
void (*func_pointer)( void ); // function to be executed 
 
public:
Option( int option_number, string name, void (*func_name)() ); // constructor, fills option vars
 
void callFunction(); // calls function stored in option
 
// Getters
int getOptionNumber();
string getOptionName();
void (*getFunctionPointer())();
};
 
class MenuType
{
 
private:
vector<Option> options;	
 
public:
MenuType();
void addOption( int option_number, string name, void (*func_name)() );
void displayMenu();
 
};
 
/******class Option******/
 
Option::Option( int option_num, string option_name, void (*func_name)() )
{
option_number = option_num;
name = option_name;
func_pointer = func_name;
}
 
void Option::callFunction()
{
if ( func_pointer != NULL )
(*func_pointer)();
}
 
// Getters
int Option::getOptionNumber()
{return option_number;}
 
string Option::getOptionName()
{return name;}
 
void (*Option::getFunctionPointer())()
{return func_pointer;}
 
/******class MenuType******/
 
MenuType::MenuType()
{}
 
void MenuType::addOption( int option_number, string name, void (*func_name)() )
{
Option newoption( option_number, name, func_name );
options.push_back( newoption );
}
 
void MenuType::displayMenu()
{
for ( int i = 0 ; i < options.size() ; i++ )
{
cout<<options[i].getOptionNumber()<<". "<<options[i].getOptionName()<<endl;
}
 
cout<<"Enter a menu option: ";
int option_choice;
cin>>option_choice;
cin.ignore();
 
options[option_choice-1].callFunction();
}
 
/***** Used in a program like this *****/
int main()
{
MenuType first_menu;
first_menu.addOption( 1, "option 1", function ); // but here i would like to be able to put function( arg1, arg2 ). how?
first_menu.addOption( 2, "option 2", function2 ); // but be able to put function2( arg3, arg4, arg5 ) here
first_menu.addOption( 3, "option 3", function3 );
first_menu.displayMenu();
}