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/*
streamoperators.h
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2013 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#ifndef GAMMARAY_STREAMOPERATORS_H
#define GAMMARAY_STREAMOPERATORS_H
#include <QDataStream>
#include <QMetaType>
namespace GammaRay {
/** Custom QDataStream streaming operators. */
namespace StreamOperators {
/** Call once early during startup. */
void registerOperators();
namespace Internal {
template<typename T>
QDataStream &writeEnum(QDataStream &out, T value)
{
out << static_cast<qint32>(value);
return out;
}
template<typename T>
QDataStream &readEnum(QDataStream &in, T &value)
{
qint32 v;
in >> v;
value = static_cast<T>(v);
return in;
}
}
/** Abstract away stream operator registration across Qt versions. */
template<typename T>
void registerOperators()
{
qRegisterMetaType<T>();
}
}
#define GAMMARAY_ENUM_STREAM_OPERATORS(enumType) \
QDataStream &operator<<(QDataStream &out, enumType value) \
{ \
return GammaRay::StreamOperators::Internal::writeEnum(out, value); \
} \
QDataStream &operator>>(QDataStream &in, enumType &value) \
{ \
return GammaRay::StreamOperators::Internal::readEnum(in, value); \
}
}
#endif // GAMMARAY_STREAMOPERATORS_H
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