1169691Skan// -*- C++ -*- 2169691Skan 3169691Skan// Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4169691Skan// 5169691Skan// This file is part of the GNU ISO C++ Library. This library is free 6169691Skan// software; you can redistribute it and/or modify it under the terms 7169691Skan// of the GNU General Public License as published by the Free Software 8169691Skan// Foundation; either version 2, or (at your option) any later 9169691Skan// version. 10169691Skan 11169691Skan// This library is distributed in the hope that it will be useful, but 12169691Skan// WITHOUT ANY WARRANTY; without even the implied warranty of 13169691Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14169691Skan// General Public License for more details. 15169691Skan 16169691Skan// You should have received a copy of the GNU General Public License 17169691Skan// along with this library; see the file COPYING. If not, write to 18169691Skan// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19169691Skan// MA 02111-1307, USA. 20169691Skan 21169691Skan// As a special exception, you may use this file as part of a free 22169691Skan// software library without restriction. Specifically, if other files 23169691Skan// instantiate templates or use macros or inline functions from this 24169691Skan// file, or you compile this file and link it with other files to 25169691Skan// produce an executable, this file does not by itself cause the 26169691Skan// resulting executable to be covered by the GNU General Public 27169691Skan// License. This exception does not however invalidate any other 28169691Skan// reasons why the executable file might be covered by the GNU General 29169691Skan// Public License. 30169691Skan 31169691Skan// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32169691Skan 33169691Skan// Permission to use, copy, modify, sell, and distribute this software 34169691Skan// is hereby granted without fee, provided that the above copyright 35169691Skan// notice appears in all copies, and that both that copyright notice 36169691Skan// and this permission notice appear in supporting documentation. None 37169691Skan// of the above authors, nor IBM Haifa Research Laboratories, make any 38169691Skan// representation about the suitability of this software for any 39169691Skan// purpose. It is provided "as is" without express or implied 40169691Skan// warranty. 41169691Skan 42169691Skan/** 43169691Skan * @file basic_tree_policy_base.hpp 44169691Skan * Contains a base class for tree_like policies. 45169691Skan */ 46169691Skan 47169691Skan#ifndef PB_DS_TREE_LIKE_POLICY_BASE_HPP 48169691Skan#define PB_DS_TREE_LIKE_POLICY_BASE_HPP 49169691Skan 50169691Skannamespace pb_ds 51169691Skan{ 52169691Skan namespace detail 53169691Skan { 54169691Skan 55169691Skan#define PB_DS_CLASS_C_DEC \ 56169691Skan basic_tree_policy_base< \ 57169691Skan Const_Node_Iterator, \ 58169691Skan Node_Iterator, \ 59169691Skan Allocator> 60169691Skan 61169691Skan template<typename Const_Node_Iterator, 62169691Skan typename Node_Iterator, 63169691Skan typename Allocator> 64169691Skan struct basic_tree_policy_base 65169691Skan { 66169691Skan protected: 67169691Skan typedef typename Node_Iterator::value_type it_type; 68169691Skan 69169691Skan typedef typename std::iterator_traits< it_type>::value_type value_type; 70169691Skan 71169691Skan typedef typename value_type::first_type key_type; 72169691Skan 73169691Skan typedef 74169691Skan typename Allocator::template rebind< 75169691Skan typename remove_const< 76169691Skan key_type>::type>::other::const_reference 77169691Skan const_key_reference; 78169691Skan 79169691Skan typedef 80169691Skan typename Allocator::template rebind< 81169691Skan typename remove_const< 82169691Skan value_type>::type>::other::const_reference 83169691Skan const_reference; 84169691Skan 85169691Skan typedef 86169691Skan typename Allocator::template rebind< 87169691Skan typename remove_const< 88169691Skan value_type>::type>::other::reference 89169691Skan reference; 90169691Skan 91169691Skan typedef 92169691Skan typename Allocator::template rebind< 93169691Skan typename remove_const< 94169691Skan value_type>::type>::other::const_pointer 95169691Skan const_pointer; 96169691Skan 97169691Skan static inline const_key_reference 98169691Skan extract_key(const_reference r_val) 99169691Skan { 100169691Skan return (r_val.first); 101169691Skan } 102169691Skan 103169691Skan virtual it_type 104169691Skan end() = 0; 105169691Skan 106169691Skan it_type 107169691Skan end_iterator() const 108169691Skan { 109169691Skan return (const_cast<PB_DS_CLASS_C_DEC* >(this)->end()); 110169691Skan } 111169691Skan 112169691Skan virtual 113169691Skan ~basic_tree_policy_base() 114169691Skan { } 115169691Skan }; 116169691Skan 117169691Skan template<typename Const_Node_Iterator, typename Allocator> 118169691Skan struct basic_tree_policy_base< 119169691Skan Const_Node_Iterator, 120169691Skan Const_Node_Iterator, 121169691Skan Allocator> 122169691Skan { 123169691Skan protected: 124169691Skan typedef typename Const_Node_Iterator::value_type it_type; 125169691Skan 126169691Skan typedef typename std::iterator_traits< it_type>::value_type value_type; 127169691Skan 128169691Skan typedef value_type key_type; 129169691Skan 130169691Skan typedef 131169691Skan typename Allocator::template rebind< 132169691Skan typename remove_const< 133169691Skan key_type>::type>::other::const_reference 134169691Skan const_key_reference; 135169691Skan 136169691Skan typedef 137169691Skan typename Allocator::template rebind< 138169691Skan typename remove_const< 139169691Skan value_type>::type>::other::const_reference 140169691Skan const_reference; 141169691Skan 142169691Skan typedef 143169691Skan typename Allocator::template rebind< 144169691Skan typename remove_const< 145169691Skan value_type>::type>::other::reference 146169691Skan reference; 147169691Skan 148169691Skan typedef 149169691Skan typename Allocator::template rebind< 150169691Skan typename remove_const< 151169691Skan value_type>::type>::other::const_pointer 152169691Skan const_pointer; 153169691Skan 154169691Skan static inline const_key_reference 155169691Skan extract_key(const_reference r_val) 156169691Skan { 157169691Skan return (r_val); 158169691Skan } 159169691Skan 160169691Skan virtual it_type 161169691Skan end() const = 0; 162169691Skan 163169691Skan it_type 164169691Skan end_iterator() const 165169691Skan { 166169691Skan return (end()); 167169691Skan } 168169691Skan 169169691Skan virtual 170169691Skan ~basic_tree_policy_base() 171169691Skan { } 172169691Skan }; 173169691Skan 174169691Skan#undef PB_DS_CLASS_C_DEC 175169691Skan 176169691Skan } // namespace detail 177169691Skan} // namespace pb_ds 178169691Skan 179169691Skan#endif // #ifndef PB_DS_TREE_LIKE_POLICY_BASE_HPP 180