diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/utils/qautoptr_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/xmlpatterns/utils/qautoptr_p.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,177 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef QPatternist_AutoPtr_p_h +#define QPatternist_AutoPtr_p_h + +#include + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + template + class AutoPtrRef + { + public: + explicit AutoPtrRef(T *const other) : m_ptr(other) + { + } + + T* m_ptr; + }; + + template + class AutoPtr + { + public: + explicit inline AutoPtr(T *pointer = 0) : m_ptr(pointer) + { + } + + inline AutoPtr(AutoPtr &other) : m_ptr(other.release()) + { + } + + inline ~AutoPtr() + { + delete m_ptr; + } + + inline T &operator*() const + { + Q_ASSERT_X(m_ptr, Q_FUNC_INFO, ""); + return *m_ptr; + } + + T *operator->() const + { + Q_ASSERT_X(m_ptr, Q_FUNC_INFO, ""); + return m_ptr; + } + + inline bool operator!() const + { + return !m_ptr; + } + + inline operator bool() const + { + return m_ptr != 0; + } + + AutoPtr(AutoPtrRef ref) : m_ptr(ref.m_ptr) + { + } + + AutoPtr& operator=(AutoPtrRef ref) + { + if(ref.m_ptr != m_ptr) + { + delete m_ptr; + m_ptr = ref.m_ptr; + } + return *this; + } + +#ifndef QT_NO_MEMBER_TEMPLATES + template + operator AutoPtrRef() + { + return AutoPtrRef(this->release()); + } + + template + operator AutoPtr() + { + return AutoPtr(this->release()); + } + + template + inline AutoPtr(AutoPtr& other) : m_ptr(other.release()) + { + } +#endif + + inline T *release() + { + T *const retval = m_ptr; + m_ptr = 0; + return retval; + } + + inline T *data() const + { + return m_ptr; + } + + void reset(T * other = 0) + { + if(other != m_ptr) + { + delete m_ptr; + m_ptr = other; + } + } + + inline AutoPtr &operator=(AutoPtr &other) + { + reset(other.release()); + return *this; + } + + private: + T *m_ptr; + }; +} + +QT_END_NAMESPACE +#endif