82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
// 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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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/SearchStructures/include/CGAL/Tree_traits.h $
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// $Id: Tree_traits.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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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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