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// Copyright (c) 1997 ETH Zurich (Switzerland).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.2-branch/SearchStructures/include/CGAL/Tree_traits.h $
// $Id: Tree_traits.h 28567 2006-02-16 14:30:13Z lsaboret $
//
//
// Author(s) : Gabriele Neyer
#ifndef __CGAL_tree_traits__
#define __CGAL_tree_traits__
// 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.
CGAL_BEGIN_NAMESPACE
// 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);}
};
CGAL_END_NAMESPACE
#endif
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