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Diffstat (limited to 'src/corelib/tools/qsharedpointer.h')
| -rw-r--r-- | src/corelib/tools/qsharedpointer.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/corelib/tools/qsharedpointer.h b/src/corelib/tools/qsharedpointer.h new file mode 100644 index 0000000..0a1efde --- /dev/null +++ b/src/corelib/tools/qsharedpointer.h @@ -0,0 +1,148 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** In addition, as a special exception, Nokia gives you certain +** additional rights. These rights are described in the Nokia Qt LGPL +** Exception version 1.0, 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: http://www.gnu.org/copyleft/gpl.html. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QSHAREDPOINTER_H +#define QSHAREDPOINTER_H + +#include <QtCore/qglobal.h> +#include <QtCore/qatomic.h> +#include <QtCore/qshareddata.h> + +#ifndef Q_QDOC +# if !defined(QT_NO_MEMBER_TEMPLATES) +// QSharedPointer requires member template support +# include <QtCore/qsharedpointer_impl.h> +# endif +#else + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Core) + +// These classes are here to fool qdoc into generating a better documentation + +template <class T> +class QSharedPointer +{ +public: + // basic accessor functions + T *data() const; + bool isNull() const; + operator bool() const; + bool operator!() const; + T &operator*() const; + T *operator ->() const; + + // constructors + QSharedPointer(); + explicit QSharedPointer(T *ptr); + QSharedPointer(T *ptr, Deleter d); + QSharedPointer(const QSharedPointer<T> &other); + QSharedPointer(const QWeakPointer<T> &other); + + ~QSharedPointer() { } + + QSharedPointer<T> &operator=(const QSharedPointer<T> &other); + QSharedPointer<T> &operator=(const QWeakPointer<T> &other); + + QWeakPointer<T> toWeakRef() const; + + void clear(); + + // casts: + template <class X> QSharedPointer<X> staticCast() const; + template <class X> QSharedPointer<X> dynamicCast() const; + template <class X> QSharedPointer<X> constCast() const; +}; + +template <class T> +class QWeakPointer +{ +public: + // basic accessor functions + bool isNull() const; + operator bool() const; + bool operator!() const; + + // constructors: + QWeakPointer(); + QWeakPointer(const QWeakPointer<T> &other); + QWeakPointer(const QSharedPointer<T> &other); + + ~QWeakPointer(); + + QWeakPointer<T> operator=(const QWeakPointer<T> &other); + QWeakPointer<T> operator=(const QSharedPointer<T> &other); + + void clear(); + + QSharedPointer<T> toStrongRef() const; +}; + +template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2); +template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2); +template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const X *ptr2); +template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2); +template<class T, class X> bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2); +template<class T, class X> bool operator!=(const T *ptr1, const QSharedPointer<X> &ptr2); +template<class T, class X> bool operator==(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2); +template<class T, class X> bool operator!=(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2); +template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2); +template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2); + +template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &other); +template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QWeakPointer<T> &other); +template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &src); +template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &src); +template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &src); +template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &src); + +template <class X, class T> QWeakPointer<X> qWeakPointerCast(const QWeakPointer<T> &src); + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // Q_QDOC + +#endif // QSHAREDPOINTER_H |