Smalltalk like C++ Class Library: Iterator.h Source File

00001 /*
00002  * Iterator.h
00003  *
00004  * Smalltalk like class library for C++
00005  * Abstract iterator. Header.
00006  *
00007  * Copyright (c) 2003 Milan Cermak
00008  */
00009 /*
00010  * This library is free software; you can redistribute it and/or
00011  * modify it under the terms of the GNU Lesser General Public
00012  * License as published by the Free Software Foundation; either
00013  * version 2.1 of the License, or (at your option) any later version.
00014  *
00015  * This library is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018  * Lesser General Public License for more details.
00019  *
00020  * You should have received a copy of the GNU Lesser General Public
00021  * License along with this library; if not, write to the Free Software
00022  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00023  */
00024 #ifndef __ITERATOR_H
00025 #define __ITERATOR_H
00026 
00027 #include <stlib/Object.h>
00028 
00029 namespace Core {
00030 
00031 class Iterator : public Object
00032 {
00033   public:
00034     /* Accessing protocol */
00035     virtual Object *value(void) abstract;
00036 
00037     /* Testing protocol */
00038     virtual bool finished(void) abstract;
00039 
00040     /* Enumeration protocol */
00041     virtual void next(void) abstract;
00042 };
00043 
00044 };
00045 
00046 #endif /* __ITERATOR_H */