Atmosphere/libraries/libstratosphere/include/stratosphere/tipc/tipc_service_object.hpp
2021-04-11 03:42:16 -07:00

62 lines
2.2 KiB
C++

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/tipc/tipc_service_object_base.hpp>
#include <stratosphere/tipc/impl/tipc_impl_template_base.hpp>
namespace ams::tipc {
namespace impl {
template<typename Impl>
class EmplacedImplHolderBaseGetter {
public:
using Type = Impl;
};
template<typename Impl>
class EmplacedImplHolder {
template<typename, typename, typename, typename>
friend class impl::ImplTemplateBaseT;
private:
using Impl2 = typename EmplacedImplHolderBaseGetter<Impl>::Type;
static_assert(!std::is_abstract<Impl2>::value);
private:
Impl2 m_impl;
private:
template<typename... Args>
constexpr explicit EmplacedImplHolder(Args &&... args) : m_impl(std::forward<Args>(args)...) { /* ... */ }
public:
static constexpr Impl *GetImplPointer(EmplacedImplHolder *holder) {
return std::addressof(holder->m_impl);
}
};
}
template<typename Interface, typename Impl>
class ServiceObject final : public impl::ImplTemplateBase<Interface, Interface, impl::EmplacedImplHolder<Impl>, impl::EmplacedImplHolder<Impl>> {
private:
using ImplBase = impl::ImplTemplateBase<Interface, Interface, impl::EmplacedImplHolder<Impl>, impl::EmplacedImplHolder<Impl>>;
public:
using ImplBase::ImplBase;
constexpr Impl &GetImpl() { return *impl::EmplacedImplHolder<Impl>::GetImplPointer(this); }
};
}