concurrentexception.h

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Boost Software License - Version 1.0 - August 17th, 2003
 *
 * Permission is hereby granted, free of charge, to any person or organization
 * obtaining a copy of the software and accompanying documentation covered by
 * this license (the "Software") to use, reproduce, display, distribute,
 * execute, and transmit the Software, and to prepare derivative works of the
 * Software, and to permit third-parties to whom the Software is furnished to
 * do so, all subject to the following:
 *
 * The copyright notices in the Software and this entire statement, including
 * the above license grant, this restriction and the following disclaimer,
 * must be included in all copies of the Software, in whole or in part, and
 * all derivative works of the Software, unless such copies or derivative
 * works are solely in the form of machine-executable object code generated by
 * a source language processor.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#pragma once
 
#include <memory>
#include <QFuture>
#include <util/sll/newtype.h>
 
namespace LC
{
namespace Util
{
    using QtException_t = QException;
 
    using QtException_ptr = std::shared_ptr<QtException_t>;
 
    template<typename T>
    class ConcurrentException : public QtException_t
                              , public T
    {
    public:
        ConcurrentException () = default;
 
        template<typename... Args>
        ConcurrentException (Args&&... args)
        : T { std::forward<Args> (args)... }
        {
        }
 
        void raise () const override
        {
            throw ConcurrentException<T> { *this };
        }
 
        ConcurrentException<T>* clone () const override
        {
            return new ConcurrentException<T> { *this };
        }
 
        const char* what () const noexcept override
        {
            return T::what ();
        }
    };
 
    using ConcurrentStdException = Util::ConcurrentException<Util::NewType<std::exception, 0, __LINE__>>;
}
}
 
Q_DECLARE_METATYPE (LC::Util::QtException_ptr)