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// -*- C++ -*-
// Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library 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 3, or (at your option) any later
// version.
// This library 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.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
// Permission to use, copy, modify, sell, and distribute this software
// is hereby granted without fee, provided that the above copyright
// notice appears in all copies, and that both that copyright notice
// and this permission notice appear in supporting documentation. None
// of the above authors, nor IBM Haifa Research Laboratories, make any
// representation about the suitability of this software for any
// purpose. It is provided "as is" without express or implied
// warranty.
/**
* @file const_iterator.hpp
* Contains an iterator class used for const ranging over the elements of the
* table.
*/
// Const range-type iterator.
class const_iterator_ :
public const_point_iterator_
{
public:
// Category.
typedef std::forward_iterator_tag iterator_category;
// Difference type.
typedef typename Allocator::difference_type difference_type;
// Iterator's value type.
typedef value_type_ value_type;
// Iterator's pointer type.
typedef pointer_ pointer;
// Iterator's const pointer type.
typedef const_pointer_ const_pointer;
// Iterator's reference type.
typedef reference_ reference;
// Iterator's const reference type.
typedef const_reference_ const_reference;
public:
// Default constructor.
inline
const_iterator_()
: m_p_tbl(NULL)
{ }
// Increments.
inline const_iterator_&
operator++()
{
m_p_tbl->inc_it_state(base_type::m_p_value, m_pos);
return (*this);
}
// Increments.
inline const_iterator_
operator++(int)
{
const_iterator_ ret =* this;
m_p_tbl->inc_it_state(base_type::m_p_value, m_pos);
return (ret);
}
protected:
typedef const_point_iterator_ base_type;
protected:
/**
* Constructor used by the table to initiate the generalized
* pointer and position (e.g., this is called from within a find()
* of a table.
* */
inline
const_iterator_(const_pointer_ p_value, PB_DS_GEN_POS pos, const PB_DS_CLASS_C_DEC* p_tbl) : const_point_iterator_(p_value),
m_p_tbl(p_tbl),
m_pos(pos)
{ }
protected:
/**
* Pointer to the table object which created the iterator (used for
* incrementing its position.
* */
const PB_DS_CLASS_C_DEC* m_p_tbl;
PB_DS_GEN_POS m_pos;
friend class PB_DS_CLASS_C_DEC;
};
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