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/*
* aiter.h
*
* Iterator functions for aXXX classes.
*/
/*
* Copyright (C) 2008 Adam Kropelin
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General
* Public License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1335, USA.
*/
#ifndef __AITER_H
#define __AITER_H
template <class I, class T>
class const_iterator
{
public:
const_iterator() {}
const_iterator(const const_iterator &rhs) : _iter(rhs._iter) {}
const_iterator(const I &rhs) : _iter(rhs) {}
const_iterator &operator++() { ++_iter; return *this; }
const_iterator operator++(int) { const_iterator tmp(_iter); ++_iter; return tmp; }
const_iterator &operator--() { --_iter; return *this; }
const_iterator operator--(int) { const_iterator tmp(_iter); --_iter; return tmp; }
const T& operator*() const { return *_iter; }
bool operator==(const const_iterator &rhs) const { return _iter == rhs._iter; }
bool operator!=(const const_iterator &rhs) const { return !(*this == rhs); }
bool operator==(const I &rhs) const { return _iter == rhs; }
bool operator!=(const I &rhs) const { return !(*this == rhs); }
const_iterator &operator=(const const_iterator &rhs)
{ if (&rhs != this) _iter = rhs._iter; return *this; }
const_iterator &operator=(const I &rhs)
{ if (&rhs != &_iter) _iter = rhs; return *this; }
private:
I _iter;
};
#endif // __AITER_H
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