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Diffstat (limited to 'src/declarative/qml/v8/qscriptshareddata_p.h')
| -rw-r--r-- | src/declarative/qml/v8/qscriptshareddata_p.h | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/src/declarative/qml/v8/qscriptshareddata_p.h b/src/declarative/qml/v8/qscriptshareddata_p.h deleted file mode 100644 index 4dd56798f1..0000000000 --- a/src/declarative/qml/v8/qscriptshareddata_p.h +++ /dev/null @@ -1,169 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/ -** -** This file is part of the QtDeclarative 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. -** -** 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. -** -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -// -// 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 QSCRIPTSHAREDDATA_P_H -#define QSCRIPTSHAREDDATA_P_H - -#include "qglobal.h" -#include "qshareddata.h" - -QT_BEGIN_NAMESPACE - -/*! - \internal - This class should have the same interface as the QSharedData, but implementation doesn't - need to be thread safe, so atomic ref count was replaced by normal integer value. -*/ -class QScriptSharedData -{ -public: - class ReferenceCounter { - // FIXME shouldn't it be uint or something longer? - mutable int m_ref; - ReferenceCounter(int ref) : m_ref(ref) {} - ~ReferenceCounter() { Q_ASSERT_X(!m_ref, Q_FUNC_INFO, "Memory problem found"); } - public: - bool ref() { return ++m_ref; } - bool deref() { return --m_ref; } - friend class QScriptSharedData; - }; - - ReferenceCounter ref; - inline QScriptSharedData() : ref(0) { } - -private: - Q_DISABLE_COPY(QScriptSharedData) -}; - - -template <class T> class QScriptPassPointer; - -// FIXME: that could be reimplemented to not check for a null value. -template<class T> -class QScriptSharedDataPointer : public QExplicitlySharedDataPointer<T> -{ -public: - inline QScriptSharedDataPointer() {} - explicit QScriptSharedDataPointer(QScriptPassPointer<T> data) : QExplicitlySharedDataPointer<T>(data.give()) {} - explicit QScriptSharedDataPointer(T *data) : QExplicitlySharedDataPointer<T>(data) {} - - inline QScriptSharedDataPointer<T> &operator=(const QScriptPassPointer<T> &other) - { - this->QExplicitlySharedDataPointer<T>::operator =(other.give()); - return *this; - } - inline QScriptSharedDataPointer<T> &operator=(T *other) - { - this->QExplicitlySharedDataPointer<T>::operator =(other); - return *this; - } -}; - -// FIXME: that could be reimplemented to not check for a null value. -template <class T> -class QScriptPassPointer { -public: - QScriptPassPointer(T *data) : m_ptr(data) {} - inline QScriptPassPointer() { m_ptr = 0; } - inline QScriptPassPointer(const QScriptPassPointer<T> &other) : m_ptr(other.give()) {} - inline ~QScriptPassPointer() { Q_ASSERT_X(!m_ptr, Q_FUNC_INFO, "Ownership of the QScriptPassPointer hasn't been taken"); } - - inline T &operator*() const { return *m_ptr; } - inline T *operator->() { return m_ptr; } - inline T *operator->() const { return m_ptr; } - inline T *data() const { return m_ptr; } - inline const T *constData() const { return m_ptr; } - - inline bool operator==(const QScriptPassPointer<T> &other) const { return m_ptr == other.m_ptr; } - inline bool operator!=(const QScriptPassPointer<T> &other) const { return m_ptr != other.m_ptr; } - inline bool operator==(const QScriptSharedDataPointer<T> &other) const { return m_ptr == other.m_ptr; } - inline bool operator!=(const QScriptSharedDataPointer<T> &other) const { return m_ptr != other.m_ptr; } - inline bool operator==(const T *ptr) const { return m_ptr == ptr; } - inline bool operator!=(const T *ptr) const { return m_ptr != ptr; } - - inline operator bool () const { return m_ptr != 0; } - inline bool operator!() const { return !m_ptr; } - - inline QScriptPassPointer<T> & operator=(const QScriptPassPointer<T> &other) - { - if (other.m_ptr != m_ptr) { - if (m_ptr) - delete m_ptr; - m_ptr = other.give(); - } - return *this; - } - - inline QScriptPassPointer &operator=(T *other) - { - if (other != m_ptr) { - if (m_ptr) - delete m_ptr; - m_ptr = other; - } - return *this; - } - - inline T* give() const - { - T* result = m_ptr; - m_ptr = 0; - return result; - } - -private: - mutable T* m_ptr; -}; - -QT_END_NAMESPACE - -#endif // QSCRIPTSHAREDDATA_P_H |