PracticeDev/study_cpp/cpp_primer_source_code/Chapter 14/worker0.cpp

// worker0.cpp -- working class methods
#include "worker0.h"
#include <iostream>
using std::cout;
using std::cin;
using std::endl;
// Worker methods

// must implement virtual destructor, even if pure
Worker::~Worker() {}

void Worker::Set()
{
    cout << "Enter worker's name: ";
    getline(cin, fullname);
    cout << "Enter worker's ID: ";
    cin >> id;
    while (cin.get() != '\n')
        continue;
}

void Worker::Show() const
{
    cout << "Name: " << fullname << "\n";
    cout << "Employee ID: " << id << "\n";
}

// Waiter methods
void Waiter::Set()
{
    Worker::Set();
    cout << "Enter waiter's panache rating: ";
    cin >> panache;
    while (cin.get() != '\n')
        continue;
}

void Waiter::Show() const
{
    cout << "Category: waiter\n";
    Worker::Show();
    cout << "Panache rating: " << panache << "\n";
}

// Singer methods

char * Singer::pv[] = {"other", "alto", "contralto",
            "soprano", "bass", "baritone", "tenor"};

void Singer::Set()
{
    Worker::Set();
    cout << "Enter number for singer's vocal range:\n";
    int i;
    for (i = 0; i < Vtypes; i++)
    {
        cout << i << ": " << pv[i] << "   ";
        if ( i % 4 == 3)
            cout << endl;
    }
    if (i % 4 != 0)
        cout << endl;
    while (cin >>  voice && (voice < 0 || voice >= Vtypes) )
        cout << "Please enter a value >= 0 and < " << Vtypes << endl;
    while (cin.get() != '\n')
        continue;
}

void Singer::Show() const
{
    cout << "Category: singer\n";
    Worker::Show();
    cout << "Vocal range: " << pv[voice] << endl;
}