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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 head.hpp
* Contains a leaf for a patricia tree.
*/
#ifndef PB_DS_PAT_TRIE_IHEAD_HPP
#define PB_DS_PAT_TRIE_IHEAD_HPP
#ifdef PB_DS_PAT_TRIE_DEBUG_
#include <cassert>
#endif // #ifdef PB_DS_PAT_TRIE_DEBUG_
#include <ext/pb_ds/detail/pat_trie_/node_base.hpp>
namespace pb_ds
{
namespace detail
{
#define PB_DS_CLASS_T_DEC \
template< \
class Type_Traits, \
class E_Access_Traits, \
class Metadata, \
class Allocator>
#define PB_DS_CLASS_C_DEC \
pat_trie_head< \
Type_Traits, \
E_Access_Traits, \
Metadata, \
Allocator>
#define PB_DS_BASE_C_DEC \
pat_trie_node_base< \
Type_Traits, \
E_Access_Traits, \
Metadata, \
Allocator>
#ifdef PB_DS_PAT_TRIE_DEBUG_
#define PB_DS_DBG_ASSERT(X) assert(X)
#define PB_DS_DBG_VERIFY(X) assert(X)
#define PB_DS_DBG_ONLY(X) X
#else // #ifdef PB_DS_PAT_TRIE_DEBUG_
#define PB_DS_DBG_ASSERT(X)
#define PB_DS_DBG_VERIFY(X) {if((X)==0);}
#define PB_DS_DBG_ONLY(X) ;
#endif // #ifdef PB_DS_PAT_TRIE_DEBUG_
template<typename Type_Traits,
class E_Access_Traits,
class Metadata,
class Allocator>
struct pat_trie_head : public PB_DS_BASE_C_DEC
{
private:
typedef E_Access_Traits e_access_traits;
typedef
typename Allocator::template rebind<
e_access_traits>::other::const_pointer
const_e_access_traits_pointer;
typedef
typename Allocator::template rebind<
PB_DS_BASE_C_DEC>::other::pointer
node_pointer;
#ifdef PB_DS_PAT_TRIE_DEBUG_
typedef
typename PB_DS_BASE_C_DEC::subtree_debug_info
subtree_debug_info;
#endif // #ifdef PB_DS_PAT_TRIE_DEBUG_
public:
pat_trie_head();
#ifdef PB_DS_PAT_TRIE_DEBUG_
virtual subtree_debug_info
assert_valid_imp(const_e_access_traits_pointer p_traits) const;
#endif // #ifdef PB_DS_PAT_TRIE_DEBUG_
public:
node_pointer m_p_min;
node_pointer m_p_max;
};
PB_DS_CLASS_T_DEC
PB_DS_CLASS_C_DEC::
pat_trie_head() :
PB_DS_BASE_C_DEC(pat_trie_head_node_type)
{ }
#ifdef PB_DS_PAT_TRIE_DEBUG_
PB_DS_CLASS_T_DEC
typename PB_DS_CLASS_C_DEC::subtree_debug_info
PB_DS_CLASS_C_DEC::
assert_valid_imp(const_e_access_traits_pointer /*p_traits*/) const
{
PB_DS_DBG_ASSERT(false);
return (subtree_debug_info());
}
#endif // #ifdef PB_DS_PAT_TRIE_DEBUG_
#undef PB_DS_CLASS_T_DEC
#undef PB_DS_CLASS_C_DEC
#undef PB_DS_BASE_C_DEC
#undef PB_DS_DBG_ASSERT
#undef PB_DS_DBG_VERIFY
#undef PB_DS_DBG_ONLY
} // namespace detail
} // namespace pb_ds
#endif // #ifndef PB_DS_PAT_TRIE_HEAD_HPP
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