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/*
* Ekiga -- A VoIP and Video-Conferencing application
* Copyright (C) 2000-2009 Damien Sandras <dsandras@seconix.com>
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version. 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 St, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Ekiga is licensed under the GPL license and as a special exception, you
* have permission to link or otherwise combine this program with the
* programs OPAL, OpenH323 and PWLIB, and distribute the combination, without
* applying the requirements of the GNU GPL to the OPAL, OpenH323 and PWLIB
* programs, as long as you do follow the requirements of the GNU GPL for all
* the rest of the software thus combined.
*/
/*
* map-key-const-iterator.h - description
* ------------------------------------------
* begin : written in 2008 by Julien Puydt
* copyright : (c) 2008 by Julien Puydt
* description : iterator on the keys of a std::map
*
*/
#ifndef __MAP_KEY_CONST_ITERATOR_H__
#define __MAP_KEY_CONST_ITERATOR_H__
#include <map>
namespace Ekiga
{
template<typename map_type>
class map_key_const_iterator: public std::forward_iterator_tag
{
public:
map_key_const_iterator (typename map_type::const_iterator it_);
map_key_const_iterator& operator= (const map_key_const_iterator& other);
bool operator== (const map_key_const_iterator& other);
bool operator!= (const map_key_const_iterator& other);
map_key_const_iterator& operator++ ();
map_key_const_iterator operator++ (int);
const typename map_type::key_type operator* ();
const typename map_type::key_type* operator-> ();
private:
typename map_type::const_iterator it;
};
};
template<typename map_type>
Ekiga::map_key_const_iterator<map_type>::map_key_const_iterator (typename map_type::const_iterator it_): it(it_)
{
}
template<typename map_type>
Ekiga::map_key_const_iterator<map_type>&
Ekiga::map_key_const_iterator<map_type>::operator= (const map_key_const_iterator<map_type>& other)
{
it = other.it;
return *this;
}
template<typename map_type>
bool
Ekiga::map_key_const_iterator<map_type>::operator== (const map_key_const_iterator<map_type>& other)
{
return it == other.it;
}
template<typename map_type>
bool
Ekiga::map_key_const_iterator<map_type>::operator!= (const map_key_const_iterator<map_type>& other)
{
return it != other.it;
}
template<typename map_type>
Ekiga::map_key_const_iterator<map_type>&
Ekiga::map_key_const_iterator<map_type>::operator++ ()
{
it++;
return *this;
}
template<typename map_type>
Ekiga::map_key_const_iterator<map_type>
Ekiga::map_key_const_iterator<map_type>::operator++ (int)
{
map_key_const_iterator<map_type> tmp = *this;
++it;
return tmp;
}
template<typename map_type>
const typename map_type::key_type
Ekiga::map_key_const_iterator<map_type>::operator* ()
{
return it->first;
}
template<typename map_type>
const typename map_type::key_type*
Ekiga::map_key_const_iterator<map_type>::operator-> ()
{
return it->first;
}
#endif
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