C / C++ / MFC

Rizean wrote:

Employee and it's three child classes all include "employee_template.h"

Mark Salsbery
Microsoft MVP - Visual C++

#ifndef EMPLOYEE_TEMPLATE
#define EMPLOYEE_TEMPLATE

#include <iostream>
#include <string>
#include "stream_flush.h"

template <class T>
void _getInput(const std::string& message, T& result)
{
    std::cout << message;
    std::cin >> result;
    flush_istream(std::cin);
    if (std::cin.fail())
    {
        std::cin.clear();
        std::cout << "Invalid input!\n";
        _getInput<t>(message, result);
    }
}

#endif
</t>

#include "employee.h"
#include <string>
#include "employee_template.h"

using namespace std;

Employee::Employee()
{
    _getInput<string>("Please enter the employees first name: ", mFName);
    // more of the same
}

// _getInput is only used in the default constructor
}

#ifndef RESEARCHER_H
#define RESEARCHER_H

#include "employee.h"
#include <string>
#include <fstream>

class Researcher: public Employee
{
public:
    Researcher();
    Researcher(/* lots of stuff here */);
    // more of the same
};

#endif

#include "researcher.h"
#include <string>
#include <fstream>
#include "employee_template.h"

using namespace std;

Researcher::Researcher():Employee
{
    _getInput<string>("Enter the researcgers school: ", mSchool);
    // more of the same
}
//more of the same
};

#ifndef STREAM_FLUSH_H
#define STREAM_FLUSH_H

#include <istream>

//blocking if no data in the stream
inline void flush_istream(std::istream& in)
{
    while(in.peak() != '\n')
        in.get();
}

#endif