left_child_next_sibling_heap_/point_const_iterator.hpp
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// -*- C++ -*-
// Copyright (C) 2005-2013 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
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// warranty.
/**
* @file left_child_next_sibling_heap_/point_const_iterator.hpp
* Contains an iterator class returned by the table's const find and insert
* methods.
*/
#ifndef PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_CONST_FIND_ITERATOR_HPP
#define PB_DS_LEFT_CHILD_NEXT_SIBLING_HEAP_CONST_FIND_ITERATOR_HPP
#include <ext/pb_ds/tag_and_trait.hpp>
#include <debug/debug.h>
namespace __gnu_pbds
{
namespace detail
{
#define PB_DS_CLASS_T_DEC \
template<typename Node, typename _Alloc>
#define PB_DS_CLASS_C_DEC \
left_child_next_sibling_heap_node_point_const_iterator_<Node, _Alloc>
/// Const point-type iterator.
template<typename Node, typename _Alloc>
class left_child_next_sibling_heap_node_point_const_iterator_
{
protected:
typedef typename _Alloc::template rebind<Node>::other::pointer node_pointer;
public:
/// Category.
typedef trivial_iterator_tag iterator_category;
/// Difference type.
typedef trivial_iterator_difference_type difference_type;
/// Iterator's value type.
typedef typename Node::value_type value_type;
/// Iterator's pointer type.
typedef
typename _Alloc::template rebind<
value_type>::other::pointer
pointer;
/// Iterator's const pointer type.
typedef
typename _Alloc::template rebind<
value_type>::other::const_pointer
const_pointer;
/// Iterator's reference type.
typedef
typename _Alloc::template rebind<
value_type>::other::reference
reference;
/// Iterator's const reference type.
typedef
typename _Alloc::template rebind<
value_type>::other::const_reference
const_reference;
inline
left_child_next_sibling_heap_node_point_const_iterator_(node_pointer p_nd) : m_p_nd(p_nd)
{ }
/// Default constructor.
inline
left_child_next_sibling_heap_node_point_const_iterator_() : m_p_nd(0)
{ }
/// Copy constructor.
inline
left_child_next_sibling_heap_node_point_const_iterator_(const PB_DS_CLASS_C_DEC& other) : m_p_nd(other.m_p_nd)
{ }
/// Access.
const_pointer
operator->() const
{
_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
return &m_p_nd->m_value;
}
/// Access.
const_reference
operator*() const
{
_GLIBCXX_DEBUG_ASSERT(m_p_nd != 0);
return m_p_nd->m_value;
}
/// Compares content to a different iterator object.
bool
operator==(const PB_DS_CLASS_C_DEC& other) const
{ return m_p_nd == other.m_p_nd; }
/// Compares content (negatively) to a different iterator object.
bool
operator!=(const PB_DS_CLASS_C_DEC& other) const
{ return m_p_nd != other.m_p_nd; }
node_pointer m_p_nd;
};
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
} // namespace detail
} // namespace __gnu_pbds
#endif