mirror of https://github.com/CGAL/cgal
283 lines
8.0 KiB
C++
283 lines
8.0 KiB
C++
// 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.
|
|
//
|
|
// $URL$
|
|
// $Id$
|
|
//
|
|
//
|
|
// Author(s) : Gabriele Neyer
|
|
|
|
#ifndef __CGAL_Tree_base_d__
|
|
#define __CGAL_Tree_base_d__
|
|
|
|
#include <iterator>
|
|
#include <iostream>
|
|
#include <functional>
|
|
#include <list>
|
|
#include <vector>
|
|
#include <CGAL/assertions.h>
|
|
#include <CGAL/Tree_assertions.h>
|
|
|
|
#ifndef USE_ARGUMENT
|
|
#define USE_ARGUMENT( X ) (void)(X);
|
|
#endif
|
|
#ifndef USE_VARIABLE
|
|
#define USE_VARIABLE( X ) (void)(&(X));
|
|
#endif
|
|
|
|
#ifndef TREE_BASE_NULL
|
|
#define TREE_BASE_NULL 0
|
|
#endif
|
|
|
|
#ifndef CGAL__static_cast
|
|
#define CGAL__static_cast(TYPE,EXPR) (TYPE)(EXPR)
|
|
#endif
|
|
|
|
#ifndef CGAL__const_cast
|
|
#define CGAL__const_cast(TYPE,EXPR) (TYPE)(EXPR)
|
|
#endif
|
|
|
|
#ifndef CGAL__reinterpret_cast
|
|
#define CGAL__reinterpret_cast(TYPE,EXPR) (TYPE)(EXPR)
|
|
#endif
|
|
|
|
|
|
#define stlvector
|
|
|
|
CGAL_BEGIN_NAMESPACE
|
|
|
|
|
|
|
|
//link type definition of an ordinary vertex of the tree
|
|
struct Tree_node_base {
|
|
void *parent_link;
|
|
void *left_link;
|
|
void *right_link;
|
|
Tree_node_base()
|
|
:parent_link(0), left_link(0), right_link(0)
|
|
{}
|
|
Tree_node_base(void* ll, void* rl)
|
|
:parent_link(0), left_link(ll), right_link(rl)
|
|
{}
|
|
};
|
|
|
|
|
|
// -------------------------------------------------------------------
|
|
// pure virtual abstract base class.
|
|
// Designed according to the Prototype Design Pattern
|
|
// A tree class has to be derived from this class.
|
|
|
|
template <class C_Data, class C_Window>
|
|
class Tree_base
|
|
{
|
|
|
|
protected:
|
|
Tree_base(Tree_base const &); // prevent access
|
|
void operator= (Tree_base const &); // prevent access
|
|
|
|
public:
|
|
typedef double vit;
|
|
typedef int lit;
|
|
typedef int lbit;
|
|
typedef double vbit;
|
|
typedef char oit;
|
|
// typedef std::vector<C_Data>::iterator vit;
|
|
//typedef std::list<C_Data>::iterator lit;
|
|
//typedef std::back_insert_iterator<lit> lbit;
|
|
//typedef std::back_insert_iterator<vit> vbit;
|
|
typedef Tree_base<C_Data, C_Window> Tree_base_type;
|
|
Tree_base() {}
|
|
virtual ~Tree_base() {}
|
|
|
|
// 'clone()' returns an object which can be used as argument to 'delete'
|
|
virtual Tree_base<C_Data, C_Window> *clone() const = 0;
|
|
//virtual Tree_base_type *clone() const = 0;
|
|
|
|
// 'make_tree()' returns an object which can be used as argument to 'delete'
|
|
virtual bool make_tree(const typename std::list<C_Data>::iterator& beg,
|
|
const typename std::list<C_Data>::iterator& end,
|
|
lit *dummy=0) =0;
|
|
#ifdef stlvector
|
|
virtual bool make_tree(const typename std::vector<C_Data>::iterator& beg,
|
|
const typename std::vector<C_Data>::iterator& end,
|
|
vit *dummy=0) =0;
|
|
#endif
|
|
#ifdef carray
|
|
virtual bool make_tree(const C_Data *beg,
|
|
const C_Data *end) =0;
|
|
#endif
|
|
virtual std::back_insert_iterator< std::list<C_Data> >
|
|
window_query(C_Window const &win, std::back_insert_iterator<
|
|
std::list<C_Data> > out,lbit *dummy=0 ) = 0;
|
|
virtual std::back_insert_iterator< std::vector<C_Data> >
|
|
window_query(C_Window const &win, std::back_insert_iterator<
|
|
std::vector<C_Data> > out,vbit *dummy=0) = 0;
|
|
#ifdef carray
|
|
virtual C_Data * window_query( C_Window const &win,
|
|
C_Data * out) = 0;
|
|
#endif
|
|
#ifdef ostreamiterator
|
|
typedef std::ostream_iterator< C_Data> oit;
|
|
virtual std::ostream_iterator< C_Data> window_query( C_Window const &win,
|
|
std::ostream_iterator< C_Data> out,
|
|
oit *dummy=0 ) = 0;
|
|
#endif
|
|
virtual std::back_insert_iterator< std::list< C_Data> >
|
|
enclosing_query( C_Window const &win, std::back_insert_iterator<
|
|
std::list< C_Data> > out, lbit *dummy=0 ) = 0;
|
|
virtual std::back_insert_iterator< std::vector< C_Data> >
|
|
enclosing_query( C_Window const &win, std::back_insert_iterator<
|
|
std::vector< C_Data> > out,vbit *dummy=0 ) = 0;
|
|
#ifdef carray
|
|
virtual C_Data * enclosing_query( C_Window const &win,
|
|
C_Data *out) = 0;
|
|
#endif
|
|
#ifdef ostreamiterator
|
|
virtual std::ostream_iterator< C_Data> enclosing_query( C_Window const &win,
|
|
std::ostream_iterator< C_Data> out,
|
|
oit *dummy=0) = 0;
|
|
#endif
|
|
virtual bool is_inside( C_Window const &win,
|
|
C_Data const& object) const =0;
|
|
virtual bool is_anchor()const =0;
|
|
virtual bool is_valid()const =0;
|
|
};
|
|
|
|
|
|
// -------------------------------------------------------------------
|
|
// Tree Anchor: this class is used as a recursion anchor.
|
|
// The derived tree classes can be nested. Use this class as the
|
|
// most inner class. This class is doing nothin exept stopping the recursion
|
|
|
|
template <class C_Data, class C_Window>
|
|
class Tree_anchor: public Tree_base< C_Data, C_Window>
|
|
{
|
|
public:
|
|
// Construct a factory with the given factory as sublayer
|
|
Tree_anchor() {}
|
|
virtual ~Tree_anchor(){}
|
|
Tree_base<C_Data, C_Window> *clone() const { return new Tree_anchor(); }
|
|
typedef Tree_base<C_Data, C_Window> tbt;
|
|
// Tree_base_type *clone() const { return new Tree_anchor(); }
|
|
|
|
bool make_tree(const typename std::list< C_Data>::iterator& beg,
|
|
const typename std::list< C_Data>::iterator& end,
|
|
typename tbt::lit * =0)
|
|
{
|
|
USE_ARGUMENT(beg);
|
|
USE_ARGUMENT(end);
|
|
return true;
|
|
}
|
|
#ifdef stlvector
|
|
bool make_tree(const typename std::vector< C_Data>::iterator& beg,
|
|
const typename std::vector< C_Data>::iterator& end,
|
|
typename tbt::vit * =0)
|
|
{
|
|
USE_ARGUMENT(beg);
|
|
USE_ARGUMENT(end);
|
|
return true;
|
|
}
|
|
#endif
|
|
#ifdef carray
|
|
bool make_tree(const C_Data *beg,
|
|
const C_Data *end)
|
|
{
|
|
USE_ARGUMENT(beg);
|
|
USE_ARGUMENT(end);
|
|
return true;
|
|
}
|
|
#endif
|
|
std::back_insert_iterator< std::list< C_Data> >
|
|
window_query(
|
|
C_Window const &win,
|
|
std::back_insert_iterator< std::list< C_Data> > out,
|
|
typename tbt::lbit * =0){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
|
|
std::back_insert_iterator< std::vector< C_Data> >
|
|
window_query( C_Window const &win,
|
|
std::back_insert_iterator< std::vector< C_Data> > out,
|
|
typename tbt::vbit * =0){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
#ifdef carray
|
|
C_Data * window_query( C_Window const &win,
|
|
C_Data * out){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
#endif
|
|
#ifdef ostreamiterator
|
|
std::ostream_iterator< C_Data> window_query( C_Window const &win,
|
|
std::ostream_iterator< C_Data> out,
|
|
typename tbt::oit *dummy=0){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
#endif
|
|
std::back_insert_iterator< std::list< C_Data> > enclosing_query( C_Window const &win,
|
|
std::back_insert_iterator< std::list< C_Data> > out,
|
|
typename tbt::lbit * =0){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
std::back_insert_iterator< std::vector< C_Data> > enclosing_query( C_Window const &win,
|
|
std::back_insert_iterator< std::vector< C_Data> > out,
|
|
typename tbt::vbit * =0){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
#ifdef carray
|
|
C_Data * enclosing_query( C_Window const &win,
|
|
C_Data * out){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
#endif
|
|
#ifdef ostreamiterator
|
|
std::ostream_iterator< C_Data> enclosing_query( C_Window const &win,
|
|
std::ostream_iterator< C_Data> out,
|
|
typename tbt::oit *dummy=0){
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(out);
|
|
return out;
|
|
}
|
|
#endif
|
|
bool is_valid()const{ return true;}
|
|
|
|
protected:
|
|
|
|
bool is_inside( C_Window const &win,
|
|
C_Data const& object) const
|
|
{
|
|
USE_ARGUMENT(win);
|
|
USE_ARGUMENT(object);
|
|
return true;
|
|
}
|
|
bool is_anchor()const {return true;}
|
|
};
|
|
|
|
CGAL_END_NAMESPACE
|
|
|
|
#endif
|