/********************************************************************************************
readint.cpp
    Jim Millard
    for CO311

    read integers into an array, then display them in either direction

********************************************************************************************/
#include <iostream>
#include <string>
#include <fstream>

using namespace std;

//prototypes
void readFrom(string file, int list[], const int size, int& count);
void showForward(int [], const int count);
void showBackward(int [], const int count);

void main()
    {
    const int MaxSize = 25;
    int Array[MaxSize];
    int count = 0;

    string filename;
    cout << "What is the file to read: ";
    cin >> filename;

    readFrom(filename, Array, MaxSize, count);
    cout << "Total Elements Used: " << count << endl
         << "Out of a maximum of: " << MaxSize << endl;

    showForward(Array, count);
    showBackward(Array, count);

    return;
    }

void readFrom(string file, int list[], const int size, int& count)
    {
    ifstream fin(file.c_str());

    for (int i = 0; i < size; i++)
        {
        if(fin >> list[i])
            count++;
        else
            break;
        }

    return;
    }

void showForward(int list[], const int count)
    {
    cout << "Forward:" << endl;

    for (int i = 0; i < count; i++)
        cout << list[i] << endl;

    cout << endl;
    return;
    }

void showBackward(int list[], const int count)
    {
    cout << "Backward:" << endl;

    for (int i = count; i > 0; i--)
        cout << list[i-1] << endl;

    cout << endl;
    return;
    }