concurrentexception.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 <memory>
#include <QFuture>
#include <util/sll/newtype.h>
 
namespace LC::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>
        requires requires (Args&&... args) { T { std::forward<Args> (args)... }; }
        explicit 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, struct StdException>>;
}
 
Q_DECLARE_METATYPE (LC::Util::QtException_ptr)