Mercurial > projects > qtd
view generator/parser/codemodel_pointer.h @ 77:0654fc9bac95
more porting
author | mandel |
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date | Sun, 24 May 2009 13:46:32 +0000 |
parents | 09a0f1d048f2 |
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/**************************************************************************** ** ** Copyright (C) 1992-2009 Nokia. All rights reserved. ** Copyright (C) 2006 Roberto Raggi <roberto@kdevelop.org> ** ** This file is part of Qt Jambi. ** ** Commercial Usage Licensees holding valid Qt Commercial licenses may use this file in accordance with the Qt Commercial License Agreement provided with the Software or, alternatively, in accordance with the terms contained in a written agreement between you and Nokia. 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. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ****************************************************************************/ #ifndef CODEMODEL_POINTER_H #define CODEMODEL_POINTER_H #include <QtCore/QSharedData> // Since the atomic API changed in 4.4 we need to hack a little here // to make it work with both 4.3 and 4.4 until that is not required #if QT_VERSION >= 0x040400 # include <QtCore/qatomic.h> template <class T> class CodeModelPointer: public QAtomicPointer<T> #else template <class T> class CodeModelPointer #endif // QT_VERSION >= 0x040400 { public: typedef T Type; #if QT_VERSION < 0x040400 inline T &operator*() { return *d; } inline const T &operator*() const { return *d; } inline T *operator->() { return d; } inline const T *operator->() const { return d; } inline operator T *() { return d; } inline operator const T *() const { return d; } inline T *data() { return d; } inline const T *data() const { return d; } inline const T *constData() const { return d; } inline bool operator==(const CodeModelPointer<T> &other) const { return d == other.d; } inline bool operator!=(const CodeModelPointer<T> &other) const { return d != other.d; } inline bool operator==(const T *ptr) const { return d == ptr; } inline bool operator!=(const T *ptr) const { return d != ptr; } inline CodeModelPointer() { d = 0; } inline ~CodeModelPointer() { if (d && !d->ref.deref()) delete d; } explicit CodeModelPointer(T *data); inline CodeModelPointer(const CodeModelPointer<T> &o) : d(o.d) { if (d) d->ref.ref(); } inline CodeModelPointer<T> & operator=(const CodeModelPointer<T> &o) { if (o.d != d) { T *x = o.d; if (x) x->ref.ref(); x = qAtomicSetPtr(&d, x); if (x && !x->ref.deref()) delete x; } return *this; } inline CodeModelPointer &operator=(T *o) { if (o != d) { T *x = o; if (x) x->ref.ref(); x = qAtomicSetPtr(&d, x); if (x && !x->ref.deref()) delete x; } return *this; } inline bool operator!() const { return !d; } private: T *d; #else // QT_VERSION < 0x040400 inline CodeModelPointer(T *value = 0) : QAtomicPointer<T>(value) {} inline CodeModelPointer &operator=(T *o) { QAtomicPointer<T>::operator=(o); return *this; } inline T *data() { return (T *) *this; } inline const T *data() const { return (const T *) *this; } inline const T *constData() const { return (const T *) *this; } #endif }; #if QT_VERSION < 0x040400 template <class T> Q_INLINE_TEMPLATE CodeModelPointer<T>::CodeModelPointer(T *adata) : d(adata) { if (d) d->ref.ref(); } #endif #endif // CODEMODEL_POINTER_H