utilitytypes.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#pragma once
 
#include <utility>
#include <QDataStream>
#include <QByteArray>
 
namespace LC::Util::oral
{
    template<typename T>
    struct AsDataStream
    {
        using BaseType = QByteArray;
 
        T Val_;
 
        operator T () const &
        {
            return Val_;
        }
 
        operator T&& () &&
        {
            return std::move (Val_);
        }
 
        AsDataStream () = default;
        AsDataStream (const AsDataStream&) = default;
        AsDataStream (AsDataStream&&) = default;
 
        AsDataStream& operator= (const AsDataStream&) = default;
        AsDataStream& operator= (AsDataStream&&) = default;
 
        template<typename... Args>
        AsDataStream (Args&&... args)
        : Val_ { std::forward<Args> (args)... }
        {
        }
 
        template<typename U>
        AsDataStream& operator= (U&& val)
        {
            Val_ = std::forward<U> (val);
            return *this;
        }
 
        BaseType ToBaseType () const
        {
            QByteArray ba;
            {
                QDataStream out { &ba, QIODevice::WriteOnly };
                out << Val_;
            }
            return ba;
        }
 
        static AsDataStream FromBaseType (const QByteArray& ba)
        {
            QDataStream in { ba };
 
            AsDataStream res;
            in >> res.Val_;
            return res;
        }
    };
 
}