#pragma once

#include <string>
using namespace std;

class Data;

class List
{
public:
    Data * first;
    Data * last;
public:
	Data * getFirst() { return first; }
	Data * getLast() { return last; }
private:
	void printItem (Data * data);
public:
    List();
    ~List();
    void insertFirst(Data * data);
    void insertLast(Data * data);
    void insertAfter(Data * old, Data * data); 
	void insertBefore(Data * old, Data * data);
	void remove (Data * data);
	void purge();
    void print();
};

class Data
{
public:
    Data * prev;
    string name;
    int r;
    int g;
    int b;
    Data * next;

    Data ();
    Data (string n0, int r0, int g0, int b0);
};