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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.
*/
/*
* ptr_array_const_iterator.h - description
* ------------------------------------------
* begin : written in 2008 by Julien Puydt
* copyright : (c) 2008 by Julien Puydt
* description : implementation of const_iterator for ptr_array
*
*/
#ifndef __ARRAY_CONST_ITERATOR_H__
#define __ARRAY_CONST_ITERATOR_H__ 1
#include <iterator>
#include "ptr_array.h"
namespace Ekiga
{
template<typename ObjectType>
class ptr_array_const_iterator: public std::forward_iterator_tag
{
public:
ptr_array_const_iterator (const ptr_array<ObjectType>& arr_,
unsigned int pos_ = 0);
ptr_array_const_iterator& operator= (const ptr_array_const_iterator &other);
bool operator== (const ptr_array_const_iterator &other);
bool operator!= (const ptr_array_const_iterator &other);
ptr_array_const_iterator &operator++ ();
ptr_array_const_iterator operator++(int);
const ObjectType& operator* ();
const ObjectType* operator-> ();
bool is_valid () const;
void set_position (unsigned int pos_);
private:
const ptr_array<ObjectType>* arr;
unsigned int pos;
};
};
template<typename ObjectType>
Ekiga::ptr_array_const_iterator<ObjectType>::ptr_array_const_iterator (const ptr_array<ObjectType>& arr_, unsigned int pos_)
: arr(&arr_), pos(pos_)
{
}
template<typename ObjectType>
Ekiga::ptr_array_const_iterator<ObjectType>&
Ekiga::ptr_array_const_iterator<ObjectType>::operator= (const ptr_array_const_iterator<ObjectType> &other)
{
arr = other.arr;
pos = other.pos;
return *this;
}
template<typename ObjectType>
bool
Ekiga::ptr_array_const_iterator<ObjectType>::operator== (const ptr_array_const_iterator<ObjectType> &other)
{
return (arr == other.arr && pos == other.pos);
}
template<typename ObjectType>
bool
Ekiga::ptr_array_const_iterator<ObjectType>::operator!= (const ptr_array_const_iterator<ObjectType> &other)
{
return !(arr == other.arr && pos == other.pos);
}
template<typename ObjectType>
Ekiga::ptr_array_const_iterator<ObjectType>&
Ekiga::ptr_array_const_iterator<ObjectType>::operator++ ()
{
pos++;
return *this;
}
template<typename ObjectType>
Ekiga::ptr_array_const_iterator<ObjectType>
Ekiga::ptr_array_const_iterator<ObjectType>::operator++(int)
{
ptr_array_const_iterator<ObjectType> tmp = *this;
pos++;
return tmp;
}
template<typename ObjectType>
const ObjectType&
Ekiga::ptr_array_const_iterator<ObjectType>::operator* ()
{
return *(*arr)[pos];
}
template<typename ObjectType>
const ObjectType*
Ekiga::ptr_array_const_iterator<ObjectType>::operator-> ()
{
return (*arr)[pos];
}
template<typename ObjectType>
bool
Ekiga::ptr_array_const_iterator<ObjectType>::is_valid () const
{
return (pos < arr->size());
}
template<typename ObjectType>
void
Ekiga::ptr_array_const_iterator<ObjectType>::set_position (unsigned int pos_)
{
pos = pos_;
}
#endif
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