3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 2, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction. Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License. This exception does not however invalidate any other
28 // reasons why the executable file might be covered by the GNU General
31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
35 // notice appears in all copies, and that both that copyright notice
36 // and this permission notice appear in supporting documentation. None
37 // of the above authors, nor IBM Haifa Research Laboratories, make any
38 // representation about the suitability of this software for any
39 // purpose. It is provided "as is" without express or implied
43 * @file const_point_iterator.hpp
44 * Contains an iterator class returned by the table's const find and insert
48 #ifndef PB_DS_BINARY_HEAP_CONST_FIND_ITERATOR_HPP
49 #define PB_DS_BINARY_HEAP_CONST_FIND_ITERATOR_HPP
51 #include <ext/pb_ds/tag_and_trait.hpp>
52 #include <debug/debug.h>
58 // Const point-type iterator.
59 template<typename Value_Type, typename Entry, bool Simple,
61 class binary_heap_const_point_iterator_
64 typedef typename Allocator::template rebind<Entry>::other::pointer entry_pointer;
68 typedef trivial_iterator_tag iterator_category;
71 typedef trivial_iterator_difference_type difference_type;
73 // Iterator's value type.
74 typedef Value_Type value_type;
76 // Iterator's pointer type.
77 typedef typename Allocator::template rebind<value_type>::other::pointer
80 // Iterator's const pointer type.
82 typename Allocator::template rebind<value_type>::other::const_pointer
85 // Iterator's reference type.
87 typename Allocator::template rebind<value_type>::other::reference
90 // Iterator's const reference type.
92 typename Allocator::template rebind<value_type>::other::const_reference
96 binary_heap_const_point_iterator_(entry_pointer p_e) : m_p_e(p_e)
99 // Default constructor.
101 binary_heap_const_point_iterator_() : m_p_e(NULL) { }
105 binary_heap_const_point_iterator_(const binary_heap_const_point_iterator_& other)
113 _GLIBCXX_DEBUG_ASSERT(m_p_e != NULL);
114 return to_ptr(integral_constant<int, Simple>());
118 inline const_reference
121 _GLIBCXX_DEBUG_ASSERT(m_p_e != NULL);
122 return *to_ptr(integral_constant<int, Simple>());
125 // Compares content to a different iterator object.
127 operator==(const binary_heap_const_point_iterator_& other) const
128 { return m_p_e == other.m_p_e; }
130 // Compares content (negatively) to a different iterator object.
132 operator!=(const binary_heap_const_point_iterator_& other) const
133 { return m_p_e != other.m_p_e; }
137 to_ptr(true_type) const
141 to_ptr(false_type) const
147 } // namespace detail