/usr/include/qt4/Qt3Support/q3cleanuphandler.h is in libqt4-dev 4:4.8.1-0ubuntu4.9.
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**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
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**
** Other Usage
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** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3CLEANUPHANDLER_H
#define Q3CLEANUPHANDLER_H
#include <QtCore/qlist.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3SupportLight)
template<class T>
class Q3CleanupHandler
{
QListData p;
public:
inline Q3CleanupHandler()
{ p.d = 0; }
~Q3CleanupHandler()
{
if (p.d) {
for (int i = 0; i < p.size(); ++i) {
T** t = static_cast<T**>(*p.at(i));
delete *t;
*t = 0;
}
qFree(p.d);
p.d = 0;
}
}
T* add(T **object)
{
if (!p.d) {
p.d = &QListData::shared_null;
p.d->ref.ref();
p.detach();
}
*p.prepend() = object;
return *object;
}
void remove(T **object)
{
if (p.d)
for (int i = 0; i < p.size(); ++i)
if (*p.at(i) == object)
p.remove(i--);
}
};
template<class T>
class Q3SingleCleanupHandler
{
T **object;
public:
inline Q3SingleCleanupHandler()
: object(0) {}
inline ~Q3SingleCleanupHandler()
{ if (object) { delete *object; *object = 0; } }
inline T* set(T **o)
{ object = o; return *object; }
inline void reset() { object = 0; }
};
QT_END_NAMESPACE
QT_END_HEADER
#endif //Q3CLEANUPHANDLER_H
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