/* * 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 <stratosphere/tipc/tipc_common.hpp> #include <stratosphere/tipc/tipc_pointer_and_size.hpp> namespace ams::tipc { namespace impl { struct OutBaseTag{}; } template<typename> struct IsOutForceEnabled : public std::false_type{}; template<> struct IsOutForceEnabled<::ams::Result> : public std::true_type{}; template<typename T> concept OutEnabled = (std::is_trivial<T>::value || IsOutForceEnabled<T>::value) && !std::is_pointer<T>::value; template<typename T> class Out : public impl::OutBaseTag { static_assert(OutEnabled<T>); public: static constexpr size_t TypeSize = sizeof(T); private: T *ptr; public: constexpr Out(uintptr_t p) : ptr(reinterpret_cast<T *>(p)) { /* ... */ } constexpr Out(T *p) : ptr(p) { /* ... */ } constexpr Out(const tipc::PointerAndSize &pas) : ptr(reinterpret_cast<T *>(pas.GetAddress())) { /* TODO: Is AMS_ABORT_UNLESS(pas.GetSize() >= sizeof(T)); necessary? */ } ALWAYS_INLINE void SetValue(const T& value) const { *this->ptr = value; } ALWAYS_INLINE const T &GetValue() const { return *this->ptr; } ALWAYS_INLINE T *GetPointer() const { return this->ptr; } /* Convenience operators. */ ALWAYS_INLINE T &operator*() const { return *this->ptr; } ALWAYS_INLINE T *operator->() const { return this->ptr; } }; template<typename T> class Out<T *> { static_assert(!std::is_same<T, T>::value, "Invalid tipc::Out<T> (Raw Pointer)"); }; }