125 lines
3.9 KiB
C++
125 lines
3.9 KiB
C++
/*
|
|
* CDE - Common Desktop Environment
|
|
*
|
|
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
|
|
*
|
|
* These libraries and programs are free software; you can
|
|
* redistribute them and/or modify them under the terms of the GNU
|
|
* Lesser General Public License as published by the Free Software
|
|
* Foundation; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* These libraries and programs are distributed in the hope that
|
|
* they will be useful, but WITHOUT ANY WARRANTY; without even the
|
|
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
|
|
* PURPOSE. See the GNU Lesser General Public License for more
|
|
* details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with these libraries and programs; if not, write
|
|
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
|
|
* Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
/*
|
|
* $XConsortium: bset.h /main/4 1996/06/11 17:16:30 cde-hal $
|
|
*
|
|
* Copyright (c) 1993 HAL Computer Systems International, Ltd.
|
|
* All rights reserved. Unpublished -- rights reserved under
|
|
* the Copyright Laws of the United States. USE OF A COPYRIGHT
|
|
* NOTICE IS PRECAUTIONARY ONLY AND DOES NOT IMPLY PUBLICATION
|
|
* OR DISCLOSURE.
|
|
*
|
|
* THIS SOFTWARE CONTAINS CONFIDENTIAL INFORMATION AND TRADE
|
|
* SECRETS OF HAL COMPUTER SYSTEMS INTERNATIONAL, LTD. USE,
|
|
* DISCLOSURE, OR REPRODUCTION IS PROHIBITED WITHOUT THE
|
|
* PRIOR EXPRESS WRITTEN PERMISSION OF HAL COMPUTER SYSTEMS
|
|
* INTERNATIONAL, LTD.
|
|
*
|
|
* RESTRICTED RIGHTS LEGEND
|
|
* Use, duplication, or disclosure by the Government is subject
|
|
* to the restrictions as set forth in subparagraph (c)(l)(ii)
|
|
* of the Rights in Technical Data and Computer Software clause
|
|
* at DFARS 252.227-7013.
|
|
*
|
|
* HAL COMPUTER SYSTEMS INTERNATIONAL, LTD.
|
|
* 1315 Dell Avenue
|
|
* Campbell, CA 95008
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef _bset_h
|
|
#define _bset_h 1
|
|
|
|
#include "dstr/set.h"
|
|
//#include "storage/page_storage.h"
|
|
|
|
//**************************************************************
|
|
//
|
|
// a set implemented based on binary search tree data structure.
|
|
//
|
|
//**************************************************************
|
|
|
|
Boolean void_ls(const void* o1, const void* o2);
|
|
Boolean void_eq(const void* o1, const void* o2);
|
|
|
|
class bset;
|
|
|
|
struct bsetnode
|
|
{
|
|
void* v_element;
|
|
bsetnode* v_left;
|
|
bsetnode* v_right;
|
|
|
|
bsetnode(void* x) : v_element(x), v_left(0), v_right(0)
|
|
{};
|
|
virtual ~bsetnode() { delete v_left; delete v_right; };
|
|
};
|
|
|
|
class bset : public set {
|
|
|
|
public:
|
|
bset(cmp_func_ptr_t eq = void_eq, cmp_func_ptr_t ls = void_ls);
|
|
virtual ~bset();
|
|
|
|
virtual Boolean insert(void* element); // return false if element
|
|
// is already there
|
|
virtual void* remove(void* element);
|
|
virtual void* member(const void* element);
|
|
|
|
virtual void* smaller_member(const void* element);
|
|
virtual void* larger_member(const void* element);
|
|
|
|
// print elements as int.
|
|
virtual ostream& asciiOut(ostream&);
|
|
|
|
virtual void unlink_elements(); // unlink those v_elments
|
|
virtual void del_elements(app_func_ptr_t func);
|
|
virtual void apply(app_func_ptr_t);
|
|
|
|
protected:
|
|
|
|
virtual void* _member(const void* element, bsetnode* rt);
|
|
virtual Boolean _insert(void* element, bsetnode* rt);
|
|
virtual void* _move(bsetnode* target, bsetnode* source);
|
|
virtual void* _remove_min(void* element, bsetnode*& rt);
|
|
virtual void*_remove(void* element, bsetnode*& rt);
|
|
virtual void _del_elements(bsetnode* rt, app_func_ptr_t func);
|
|
virtual void _apply(bsetnode* rt, app_func_ptr_t f);
|
|
virtual void _unlink_elements(bsetnode* rt);
|
|
|
|
virtual void _smaller_member(const void* element, bsetnode* rt, void*& answer);
|
|
virtual void* _larger_member(const void* element, bsetnode* rt);
|
|
Boolean gt(const void* x, const void* y);
|
|
|
|
virtual void _asciiOut(ostream&, bsetnode* rt);
|
|
|
|
protected:
|
|
bsetnode* v_setroot;
|
|
|
|
};
|
|
|
|
typedef bset* bsetPtr;
|
|
|
|
#endif
|