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-/****************************************************************************
-**
-** ...
-**
-** Copyright (C) 2001-2008 Trolltech ASA. All rights reserved.
-**
-** This file is part of the tools module of the TQt GUI Toolkit.
-**
-** This file may be used under the terms of the GNU General
-** Public License versions 2.0 or 3.0 as published by the Free
-** Software Foundation and appearing in the files LICENSE.GPL2
-** and LICENSE.GPL3 included in the packaging of this file.
-** Alternatively you may (at your option) use any later version
-** of the GNU General Public License if such license has been
-** publicly approved by Trolltech ASA (or its successors, if any)
-** and the KDE Free TQt Foundation.
-**
-** Please review the following information to ensure GNU General
-** Public Licensing requirements will be met:
-** http://trolltech.com/products/qt/licenses/licensing/opensource/.
-** If you are unsure which license is appropriate for your use, please
-** review the following information:
-** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
-** or contact the sales department at sales@trolltech.com.
-**
-** This file may be used under the terms of the Q Public License as
-** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
-** included in the packaging of this file. Licensees holding valid TQt
-** Commercial licenses may use this file in accordance with the TQt
-** Commercial License Agreement provided with the Software.
-**
-** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
-** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
-** herein.
-**
-**********************************************************************/
-
-#ifndef TQCLEANUPHANDLER_H
-#define TQCLEANUPHANDLER_H
-
-#ifndef TQT_H
-#include "tqptrlist.h"
-#endif // TQT_H
-
-template<class Type>
-class TQCleanupHandler
-{
-public:
- TQCleanupHandler() : cleanupObjects( 0 ) {}
- ~TQCleanupHandler() { clear(); }
-
- Type* add( Type **object ) {
- if ( !cleanupObjects )
- cleanupObjects = new TQPtrList<Type*>;
- cleanupObjects->insert( 0, object );
- return *object;
- }
-
- void remove( Type **object ) {
- if ( !cleanupObjects )
- return;
- if ( cleanupObjects->findRef( object ) >= 0 )
- (void) cleanupObjects->take();
- }
-
- bool isEmpty() const {
- return cleanupObjects ? cleanupObjects->isEmpty() : TRUE;
- }
-
- void clear() {
- if ( !cleanupObjects )
- return;
- TQPtrListIterator<Type*> it( *cleanupObjects );
- Type **object;
- while ( ( object = it.current() ) ) {
- delete *object;
- *object = 0;
- cleanupObjects->remove( object );
- }
- delete cleanupObjects;
- cleanupObjects = 0;
- }
-
-private:
- TQPtrList<Type*> *cleanupObjects;
-};
-
-template<class Type>
-class TQSingleCleanupHandler
-{
-public:
- TQSingleCleanupHandler() : object( 0 ) {}
- ~TQSingleCleanupHandler() {
- if ( object ) {
- delete *object;
- *object = 0;
- }
- }
- Type* set( Type **o ) {
- object = o;
- return *object;
- }
- void reset() { object = 0; }
-private:
- Type **object;
-};
-
-template<class Type>
-class TQSharedCleanupHandler
-{
-public:
- TQSharedCleanupHandler() : object( 0 ) {}
- ~TQSharedCleanupHandler() {
- if ( object ) {
- if ( (*object)->deref() )
- delete *object;
- *object = 0;
- }
- }
- Type* set( Type **o ) {
- object = o;
- return *object;
- }
- void reset() { object = 0; }
-private:
- Type **object;
-};
-
-#endif //TQCLEANUPHANDLER_H