Object.h

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//
// Object.h
//
// Object: This baseclass defines how an object should behave.
//         This includes the ability to be put into a list
//
// Part of the ht://Dig package   <http://www.htdig.org/>
// Copyright (c) 1999, 2000, 2001 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU General Public License version 2 or later 
// <http://www.gnu.org/copyleft/gpl.html>
//
// $Id: Object_8h-source.html,v 1.1 2008/06/08 10:12:55 sebdiaz Exp $
//

#ifndef _Object_h_
#define _Object_h_

#include "lib.h"
#include <stdio.h>

class String;

class Object
{
public:
        //
        // Constructor/Destructor
        //
                        Object()        {}
        virtual         ~Object()       {}

        //
        // To ensure a consistent comparison interface and to allow comparison
        // of all kinds of different objects, we will define a comparison functions.
        //
        virtual int     compare(const Object &) { return 0;}

        //
        // To allow a deep copy of data structures we will define a standard interface...
        // This member will return a copy of itself, freshly allocated and deep copied.
        //
        virtual Object  *Copy() const { fprintf(stderr, "Object::Copy: derived class does not implement Copy\n"); return new Object(); }
};


#endif

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