// PersonVector Project, File main1.cpp.

// Show how to use the STL vector datatype
// to store pointers to Person objects.

#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <algorithm>
#include "..\\person.h"
using namespace std;

void print(Person *);
bool compare(Person *, Person *);

int main()
{
    // STL vector datatype storing 
    // pointers to Person objects.
    vector<Person *> x;
    vector<Person *>::iterator y;

    // Varibles for input.
    string n;  char g;  int a;

    // Declare and open input object.
    ifstream fin("c:\\persons.txt");

    // Read data from file and append
    // to back end of vector.
    while(fin >> n >> g >> a)
        x.push_back(new Person(n, g, a));

    // Sort using high level sort function.
    sort(x.begin(), x.end(), compare);

    // Print using for_each construction.
    for_each(x.begin(), x.end(), print);

    // Print by accessing each object individually.
    for(int i = 0; i < x.size(); i++)
        cout << x[i] -> get_name() << " ";
    cout << endl;

    // Print using an iterator.
    for(y = x.begin(); y != x.end(); y++)
        cout << (*y) -> get_name() <<  " ";
    cout << endl;




    return EXIT_SUCCESS;
}

void print(Person *p)
{
    p -> display();
}

bool compare(Person *p, Person *q)
{
    return p -> get_age() < q -> get_age();
}