| // -*- C++ -*- |
| |
| // Copyright (C) 2005, 2006 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 2, 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. |
| |
| // You should have received a copy of the GNU General Public License |
| // along with this library; see the file COPYING. If not, write to |
| // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, |
| // MA 02111-1307, USA. |
| |
| // As a special exception, you may use this file as part of a free |
| // software library without restriction. Specifically, if other files |
| // instantiate templates or use macros or inline functions from this |
| // file, or you compile this file and link it with other files to |
| // produce an executable, this file does not by itself cause the |
| // resulting executable to be covered by the GNU General Public |
| // License. This exception does not however invalidate any other |
| // reasons why the executable file might be covered by the GNU General |
| // Public License. |
| |
| // 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; |
| }; |
| |