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74 lines
2.1 KiB
C++
74 lines
2.1 KiB
C++
/*
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* Copyright (C) 2008-2015 TrinityCore <http://www.trinitycore.org/>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _CALLBACK_H_
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#define _CALLBACK_H_
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#include <functional>
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#include <utility>
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#include <memory>
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#include "functional_unwrap.hpp"
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template<typename... Args>
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using Callback = std::function<void(Args...)>;
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template<typename... Args>
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using SharedCallback = std::shared_ptr<Callback<Args...>>;
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template<typename... Args>
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using WeakCallback = std::weak_ptr<Callback<Args...>>;
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namespace detail
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{
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template<typename... Args>
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struct do_unwrap_callback;
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template<typename... Args>
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struct do_unwrap_callback<std::tuple<Args...>>
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{
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typedef Callback<Args...> CallbackType;
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typedef SharedCallback<Args...> SharedCallbackType;
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typedef WeakCallback<Args...> WeakCallbackType;
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};
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template<typename _CTy>
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using unwrap_callback = do_unwrap_callback<::fu::argument_type_of_t<_CTy>>;
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} // detail
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template<typename _CTy>
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using callback_of_t = typename detail::unwrap_callback<_CTy>::CallbackType;
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template<typename _CTy>
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using shared_callback_of_t = typename detail::unwrap_callback<_CTy>::SharedCallbackType;
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template<typename _CTy>
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using weak_callback_of_t = typename detail::unwrap_callback<_CTy>::WeakCallbackType;
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template<typename _CTy>
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inline typename shared_callback_of_t<_CTy>
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make_shared_callback(_CTy&& callback)
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{
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return std::make_shared<typename callback_of_t<_CTy>>
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(std::forward<typename callback_of_t<_CTy>>(callback));
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}
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#endif /// _CALLBACK_H_
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