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// Copyright (c) 1997 ETH Zurich (Switzerland).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1.1/SearchStructures/include/CGAL/Tree_traits.h $
// $Id: include/CGAL/Tree_traits.h 08b27d3db14 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Gabriele Neyer
#ifndef CGAL_TREE_TRAITS_H
#define CGAL_TREE_TRAITS_H
#include <CGAL/license/SearchStructures.h>
// Implementation of a minimal tree traits for CGAL trees, derived
// from Tree_base.h
// (e.g. Range_tree_d.h and Segment_tree_d.h).
// Any other interface must at least provide the interface of this class.
namespace CGAL {
// Interface as it is expected for one layer of a Range Tree
template<class C_Data, class C_Window, class C_Key,
class C_Data_func, class C_Window_left_func,
class C_Window_right_func, class C_Compare>
class tree_point_traits{
public:
typedef C_Key Key;
typedef C_Data Data;
typedef C_Window Window;
typedef C_Compare Compare;
C_Key get_key(const C_Data& dt)
const {return C_Data_func()(dt);}
C_Key get_left(const C_Window& dt)
const {return C_Window_left_func()(dt);}
C_Key get_right(const C_Window& dt)
const {return C_Window_right_func()(dt);}
static bool comp( C_Key const& key1, C_Key const& key2)
{return C_Compare()(key1, key2);}
static bool key_comp( C_Data const& data1, C_Data const& data2)
{
const Key d1= C_Data_func()(data1);
const Key d2= C_Data_func()(data2);
return C_Compare()(d1,d2);
}
};
// Interface as it is expected for one layer of a Segment Tree
template<class C_Data, class C_Window, class C_Key,
class C_Data_left_func, class C_Data_right_func,
class C_Window_left_func, class C_Window_right_func, class C_Compare>
class tree_interval_traits{
public:
typedef C_Data Data;
typedef C_Window Window;
typedef C_Key Key;
typedef C_Compare Compare;
C_Key get_left(const C_Data& dt)
const {return C_Data_left_func()(dt);}
C_Key get_right(const C_Data& dt)
const {return C_Data_right_func()(dt);}
C_Key get_left_win(const C_Window& dt)
const {return C_Window_left_func()(dt);}
C_Key get_right_win(const C_Window& dt)
const {return C_Window_right_func()(dt);}
static bool comp( C_Key const& key1, C_Key const& key2)
{return C_Compare()(key1, key2);}
};
} //namespace CGAL
#endif
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