91 lines
2.8 KiB
C
91 lines
2.8 KiB
C
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// Copyright (c) 1997 ETH Zurich (Switzerland).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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// You can redistribute it and/or modify it under the terms of the GNU
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// General Public License as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0+
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//
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//
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// Author(s) : Gabriele Neyer
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#ifndef CGAL_TREE_TRAITS_H
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#define CGAL_TREE_TRAITS_H
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#include <CGAL/license/SearchStructures.h>
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// Implementation of a minimal tree traits for CGAL trees, derived
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// from Tree_base.h
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// (e.g. Range_tree_d.h and Segment_tree_d.h).
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// Any other interface must at least provide the interface of this class.
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namespace CGAL {
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// Interface as it is expected for one layer of a Range Tree
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template<class C_Data, class C_Window, class C_Key,
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class C_Data_func, class C_Window_left_func,
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class C_Window_right_func, class C_Compare>
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class tree_point_traits{
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public:
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typedef C_Key Key;
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typedef C_Data Data;
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typedef C_Window Window;
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typedef C_Compare Compare;
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C_Key get_key(const C_Data& dt)
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const {return C_Data_func()(dt);}
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C_Key get_left(const C_Window& dt)
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const {return C_Window_left_func()(dt);}
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C_Key get_right(const C_Window& dt)
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const {return C_Window_right_func()(dt);}
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static bool comp( C_Key const& key1, C_Key const& key2)
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{return C_Compare()(key1, key2);}
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static bool key_comp( C_Data const& data1, C_Data const& data2)
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{
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const Key d1= C_Data_func()(data1);
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const Key d2= C_Data_func()(data2);
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return C_Compare()(d1,d2);
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}
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};
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// Interface as it is expected for one layer of a Segment Tree
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template<class C_Data, class C_Window, class C_Key,
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class C_Data_left_func, class C_Data_right_func,
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class C_Window_left_func, class C_Window_right_func, class C_Compare>
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class tree_interval_traits{
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public:
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typedef C_Data Data;
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typedef C_Window Window;
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typedef C_Key Key;
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typedef C_Compare Compare;
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C_Key get_left(const C_Data& dt)
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const {return C_Data_left_func()(dt);}
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C_Key get_right(const C_Data& dt)
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const {return C_Data_right_func()(dt);}
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C_Key get_left_win(const C_Window& dt)
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const {return C_Window_left_func()(dt);}
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C_Key get_right_win(const C_Window& dt)
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const {return C_Window_right_func()(dt);}
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static bool comp( C_Key const& key1, C_Key const& key2)
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{return C_Compare()(key1, key2);}
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};
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} //namespace CGAL
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#endif
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