74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/************************************************************************
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**
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** @file vdatastreamenum.h
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 21 12, 2018
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2015 Valentina project
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** <https://bitbucket.org/dismine/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#ifndef DATASTREAM_ENUM_H
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#define DATASTREAM_ENUM_H
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#include <QDataStream>
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#include <type_traits>
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// (de)serialize enums into QDataStream
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//a function that can serialize any enum into QDataStream
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//it stores the enum in a qint64
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template<typename Enum,
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typename = typename std::enable_if<std::is_enum<Enum>::value>::type>
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QDataStream& operator<<(QDataStream& stream, const Enum& e)
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{
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stream << static_cast<qint64>(e);
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return stream;
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}
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//a function that can deserialize any enum from QDataStream
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//it reads the enum as if it was stored in qint64
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template<typename Enum,
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typename = typename std::enable_if<std::is_enum<Enum>::value>::type>
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QDataStream& operator>>(QDataStream& stream, Enum& e)
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{
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qint64 v;
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stream >> v;
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e = static_cast<Enum>(v);
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return stream;
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}
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#if QT_VERSION < QT_VERSION_CHECK(5, 9, 0)
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template <typename Enum>
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inline QDataStream &operator<<(QDataStream &s, QFlags<Enum> e)
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{
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return s << e.i;
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}
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template <typename Enum>
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inline QDataStream &operator>>(QDataStream &s, QFlags<Enum> &e)
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{
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return s >> e.i;
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}
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#endif
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#endif // DATASTREAM_ENUM_H
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