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/*
* Copyright (C) 2004 Stefan Kleine Stegemann
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#import <Foundation/Foundation.h>
/**
* A ref-counting wrapper for abritrary pointers. When
* the wrapper receives the dealloc message, the associated
* pointer will be free'd using the CountingRef's delegate.
*
* A CountingRef retains it's delegate and sends it
* a release message when the CountingRef receives a
* dealloc message.
*/
@interface CountingRef : NSObject
{
void* ptr;
id delegate;
}
- (id) initWithPtr: (void*)aPtr delegate: (id)aDelegate;
- (void*) ptr;
- (BOOL) isNULL;
@end
/**
* Delegate for CountingRef's.
*/
@interface NSObject (CountingRefDelegate)
- (void) freePtrForReference: (CountingRef*)aReference;
@end
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