character_list.cpp

/*
 * CH.8 Vectors: Class Exercize
 * 
 * Brian Teachman & Brandon Sobjack
 * 8/11/2016
 */

#include "stdafx.h"
#include <iostream>
#include <vector>
#include <string>

using namespace std;


void dumpVector(vector<string> list);
// Displays vector formated list to cout

void listCharacters(vector<string> list);
// Displays a numbered list to cout

string serveCharacter(vector<string> &list);
// Precondition: There is a character in the list
// Postcondition: 1) The first character in the queue (vector list) is removed from list.
//                2) All elements in the queue (vector list) shift left.
//                3) The name of the removed character is returned.

void runMenu(vector<string> &list);
// Displays runtime options menu

int main()
{
    vector<string> characters = { "Luke" , "Leia", "Han" };
    
    runMenu(characters);

    return 0;
}

string serveCharacter(vector<string> &list)
{
    string name = list[ 0 ];
    list.erase( list.begin() );
    return name;
}

void dumpVector(vector<string> list)
{
    cout << "{ ";
    for (int i = 0; i < list.size(); i++)
    {
        cout << list[i];
        if (i != list.size() - 1) cout << ", ";
    }
    cout << " }" << endl;
}

void listCharacters(vector<string> list)
{
    for (int i = 0; i < list.size(); i++)
    {
        cout << i + 1 << ": " << list[i] << endl;
    }
}

void runMenu(vector<string> &list)
{
    bool done = false;
    while (!done)
    {
        char selection;
        cout << "Choose an option: (L)ist, (S)erve, (A)dd, (R)emove, (Q)uit ";
        cin >> selection;
        string new_name;
        int remove_name;

        switch (selection)
        {
            case 'L': case 'l':
                listCharacters(list);
                break;

            case 'S': case 's':
                cout << serveCharacter(list) << " has been served." << endl;
                dumpVector(list);
                break;

            case 'A': case 'a':
                cout << "Enter a name to add to the character list: " << endl;
                cin >> new_name;
                list.push_back(new_name);
                dumpVector(list);
                break;

            case 'R': case 'r':
                listCharacters(list);
                cout << "Select a character by it's number: ";
                cin >> remove_name;
                list.erase(list.begin() + (remove_name - 1));
                break;

            case 'Q': case 'q':
                exit(1);
                break;

            default:
                runMenu(list);
        }
    }
}