cdesktopenv/cde/lib/DtMmdb/dstr/void_ptr_array.h

108 lines
3.1 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: void_ptr_array.h /main/4 1996/07/18 14:31:24 drk $
*
* 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 Unpublished -- rights reserved under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 _void_ptr_array_h
#define _void_ptr_array_h 1
#include "utility/funcs.h"
#include "utility/buffer.h"
//**************************************************************
//
// an void_ptr_array class
// holding voidPtr elements in range [0, count()-1]
//
//**************************************************************
class void_ptr_array : public buffer
{
public:
void_ptr_array(int exp_size) ;
void_ptr_array(void_ptr_array&) ;
virtual ~void_ptr_array() {};
Boolean expandWith(int extra_void_ptrs);
Boolean insert(void* element, int i) ;
void reset_vptr(voidPtr value); // set all cells to value
inline void reset_elmts(int i) { v_elmts = i; };
inline int no_elmts() { return v_elmts; };
inline int count() {
return (buf_sz() / sizeof(voidPtr) );
};
// terminate value: -1
inline int first() {
return ( count() == 0 ) ? -1 : 0;
};
inline virtual void* operator [](int i) {
return ((voidPtr*)(v_base))[i] ;
};
inline void next(int& ind) {
if ( ind == count() -1 )
ind = -1;
else
ind++;
};
friend ostream& operator <<(ostream&, void_ptr_array&);
protected:
int v_elmts;
};
#endif