QxtGlobalShortcut/src/core/qxtmetatype.h
2011-09-06 15:21:07 +02:00

139 lines
4.1 KiB
C++

/****************************************************************************
** Copyright (c) 2006 - 2011, the LibQxt project.
** See the Qxt AUTHORS file for a list of authors and copyright holders.
** All rights reserved.
**
** Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in the
** documentation and/or other materials provided with the distribution.
** * Neither the name of the LibQxt project nor the
** names of its contributors may be used to endorse or promote products
** derived from this software without specific prior written permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
** ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
** DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
** DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
** (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
** LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
** ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
** SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**
** <http://libqxt.org> <foundation@libqxt.org>
*****************************************************************************/
#ifndef QXTMETATYPE_H
#define QXTMETATYPE_H
#include <QMetaType>
#include <QDataStream>
#include <QGenericArgument>
#include <QtDebug>
#include <qxtglobal.h>
template <typename T>
class /*QXT_CORE_EXPORT*/ QxtMetaType
{
public:
static inline T* construct(const T* copy = 0)
{
return QMetaType::construct(qMetaTypeId<T>(), reinterpret_cast<const void*>(copy));
}
static inline void destroy(T* data)
{
QMetaType::destroy(qMetaTypeId<T>(), data);
}
// no need to reimplement isRegistered since this class will fail at compile time if it isn't
static inline bool load(QDataStream& stream, T* data)
{
return QMetaType::load(stream, qMetaTypeId<T>(), reinterpret_cast<void*>(data));
}
static inline bool save(QDataStream& stream, const T* data)
{
return QMetaType::save(stream, qMetaTypeId<T>(), reinterpret_cast<const void*>(data));
}
static inline int type()
{
return qMetaTypeId<T>();
}
static inline const char* name()
{
return QMetaType::typeName(qMetaTypeId<T>());
}
};
template <>
class /*QXT_CORE_EXPORT*/ QxtMetaType<void>
{
public:
static inline void* construct(const void* copy = 0)
{
Q_UNUSED(copy);
return 0;
}
static inline void destroy(void* data)
{
Q_UNUSED(data);
}
static inline bool load(QDataStream& stream, void* data)
{
Q_UNUSED(stream);
Q_UNUSED(data);
return false;
}
static inline bool save(QDataStream& stream, const void* data)
{
Q_UNUSED(stream);
Q_UNUSED(data);
return false;
}
static inline int type()
{
return 0;
}
static inline const char* name()
{
return 0;
}
};
inline void* qxtConstructByName(const char* typeName, const void* copy = 0)
{
return QMetaType::construct(QMetaType::type(typeName), copy);
}
inline void qxtDestroyByName(const char* typeName, void* data)
{
QMetaType::destroy(QMetaType::type(typeName), data);
}
inline void* qxtConstructFromGenericArgument(QGenericArgument arg)
{
return qxtConstructByName(arg.name(), arg.data());
}
inline void qxtDestroyFromGenericArgument(QGenericArgument arg)
{
qxtDestroyByName(arg.name(), arg.data());
}
#endif