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// -*- 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 node_base.hpp
* Contains a pat_trie_node_base base for a patricia tree.
*/
#ifndef PB_DS_PAT_TRIE_NODE_BASE_HPP
#define PB_DS_PAT_TRIE_NODE_BASE_HPP
#include <ext/pb_ds/detail/pat_trie_/node_metadata_base.hpp>
namespace pb_ds
{
namespace detail
{
#define PB_DS_CLASS_T_DEC \
template<typename Type_Traits, typename E_Access_Traits, \
typename Metadata, typename Allocator>
#define PB_DS_CLASS_C_DEC \
pat_trie_node_base<Type_Traits, E_Access_Traits, Metadata, Allocator>
#define PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC \
pat_trie_subtree_debug_info<Type_Traits, E_Access_Traits, Allocator>
enum pat_trie_node_type
{
pat_trie_internal_node_type,
pat_trie_leaf_node_type,
pat_trie_head_node_type
};
template<typename Type_Traits,
typename E_Access_Traits,
typename Metadata,
typename Allocator>
struct pat_trie_node_base : public pat_trie_node_metadata_base<
Metadata,
Allocator>
{
public:
typedef
typename Allocator::template rebind<
pat_trie_node_base>::other::pointer
node_pointer;
typedef
typename Allocator::template rebind<
E_Access_Traits>::other::const_pointer
const_e_access_traits_pointer;
#ifdef _GLIBCXX_DEBUG
typedef
std::pair<
typename E_Access_Traits::const_iterator,
typename E_Access_Traits::const_iterator>
subtree_debug_info;
#endif
pat_trie_node_base(pat_trie_node_type type);
#ifdef _GLIBCXX_DEBUG
void
assert_valid(const_e_access_traits_pointer p_traits) const;
virtual subtree_debug_info
assert_valid_imp(const_e_access_traits_pointer p_traits) const = 0;
#endif
node_pointer m_p_parent;
const pat_trie_node_type m_type;
};
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
pat_trie_node_base(pat_trie_node_type type) : m_type(type)
{ }
#ifdef _GLIBCXX_DEBUG
PB_DS_CLASS_T_DEC
void
PB_DS_CLASS_C_DEC::
assert_valid(const_e_access_traits_pointer p_traits) const
{ assert_valid_imp(p_traits); }
#endif
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
#undef PB_DS_PAT_TRIE_SUBTREE_DEBUG_INFO_C_DEC
} // namespace detail
} // namespace pb_ds
#endif
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