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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore 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.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMETATYPE_P_H
#define QMETATYPE_P_H
//
// 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.
//
#include "qmetatype.h"
QT_BEGIN_NAMESPACE
enum { /* TYPEMODULEINFO flags */
Q_CORE_TYPE = 1,
Q_GUI_TYPE = 2,
Q_WIDGET_TYPE = 3
};
template <typename T>
class QTypeModuleInfo
{
public:
enum Module {
IsCore = !QTypeInfo<T>::isComplex, // Primitive types are in Core
IsWidget = false,
IsGui = false,
IsUnknown = !IsCore
};
static inline int module() { return IsCore ? Q_CORE_TYPE : 0; }
};
#define QT_ASSIGN_TYPE_TO_MODULE(TYPE, MODULE) \
template<> \
class QTypeModuleInfo<TYPE > \
{ \
public: \
enum Module { \
IsCore = (((MODULE) == (Q_CORE_TYPE))), \
IsWidget = (((MODULE) == (Q_WIDGET_TYPE))), \
IsGui = (((MODULE) == (Q_GUI_TYPE))), \
IsUnknown = !(IsCore || IsWidget || IsGui) \
}; \
static inline int module() { return MODULE; } \
Q_STATIC_ASSERT((IsUnknown && !(IsCore || IsWidget || IsGui)) \
|| (IsCore && !(IsUnknown || IsWidget || IsGui)) \
|| (IsWidget && !(IsUnknown || IsCore || IsGui)) \
|| (IsGui && !(IsUnknown || IsCore || IsWidget))); \
};
#define QT_DECLARE_CORE_MODULE_TYPES_ITER(TypeName, TypeId, Name) \
QT_ASSIGN_TYPE_TO_MODULE(Name, Q_CORE_TYPE);
#define QT_DECLARE_GUI_MODULE_TYPES_ITER(TypeName, TypeId, Name) \
QT_ASSIGN_TYPE_TO_MODULE(Name, Q_GUI_TYPE);
#define QT_DECLARE_WIDGETS_MODULE_TYPES_ITER(TypeName, TypeId, Name) \
QT_ASSIGN_TYPE_TO_MODULE(Name, Q_WIDGET_TYPE);
QT_FOR_EACH_STATIC_CORE_CLASS(QT_DECLARE_CORE_MODULE_TYPES_ITER)
QT_FOR_EACH_STATIC_CORE_TEMPLATE(QT_DECLARE_CORE_MODULE_TYPES_ITER)
QT_FOR_EACH_STATIC_GUI_CLASS(QT_DECLARE_GUI_MODULE_TYPES_ITER)
QT_FOR_EACH_STATIC_WIDGETS_CLASS(QT_DECLARE_WIDGETS_MODULE_TYPES_ITER)
#undef QT_DECLARE_CORE_MODULE_TYPES_ITER
#undef QT_DECLARE_GUI_MODULE_TYPES_ITER
#undef QT_DECLARE_WIDGETS_MODULE_TYPES_ITER
class QMetaTypeInterface
{
private:
template<typename T>
struct Impl {
static void *creator(const T *t)
{
if (t)
return new T(*t);
return new T();
}
static void deleter(T *t) { delete t; }
#ifndef QT_NO_DATASTREAM
static void saver(QDataStream &stream, const T *t) { stream << *t; }
static void loader(QDataStream &stream, T *t) { stream >> *t; }
#endif // QT_NO_DATASTREAM
static void destructor(T *t)
{
Q_UNUSED(t) // Silence MSVC that warns for POD types.
t->~T();
}
static void *constructor(void *where, const T *t)
{
if (t)
return new (where) T(*static_cast<const T*>(t));
return new (where) T;
}
};
public:
template<typename T>
explicit QMetaTypeInterface(T *)
: creator(reinterpret_cast<QMetaType::Creator>(Impl<T>::creator))
, deleter(reinterpret_cast<QMetaType::Deleter>(Impl<T>::deleter))
#ifndef QT_NO_DATASTREAM
, saveOp(reinterpret_cast<QMetaType::SaveOperator>(Impl<T>::saver))
, loadOp(reinterpret_cast<QMetaType::LoadOperator>(Impl<T>::loader))
#endif
, constructor(reinterpret_cast<QMetaType::Constructor>(Impl<T>::constructor))
, destructor(reinterpret_cast<QMetaType::Destructor>(Impl<T>::destructor))
, size(sizeof(T))
{}
QMetaTypeInterface()
: creator(0)
, deleter(0)
#ifndef QT_NO_DATASTREAM
, saveOp(0)
, loadOp(0)
#endif
, constructor(0)
, destructor(0)
, size(0)
{}
QMetaType::Creator creator;
QMetaType::Deleter deleter;
#ifndef QT_NO_DATASTREAM
QMetaType::SaveOperator saveOp;
QMetaType::LoadOperator loadOp;
#endif
QMetaType::Constructor constructor;
QMetaType::Destructor destructor;
int size;
};
QT_END_NAMESPACE
#endif // QMETATYPE_P_H
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