/* * 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 "sf_common.hpp" #include "cmif/sf_cmif_pointer_and_size.hpp" namespace ams::sf { namespace impl { struct OutBaseTag{}; } template<typename> struct IsOutForceEnabled : public std::false_type{}; template<> struct IsOutForceEnabled<::ams::Result> : public std::true_type{}; template<typename T> using IsOutEnabled = typename std::enable_if<std::is_trivial<T>::value || IsOutForceEnabled<T>::value>::type; template<typename T, typename = IsOutEnabled<T>> class Out : public impl::OutBaseTag { 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 cmif::PointerAndSize &pas) : ptr(reinterpret_cast<T *>(pas.GetAddress())) { /* TODO: Is AMS_ASSERT(pas.GetSize() >= sizeof(T)); necessary? */ } void SetValue(const T& value) const { *this->ptr = value; } const T &GetValue() const { return *this->ptr; } T *GetPointer() const { return this->ptr; } /* Convenience operators. */ T &operator*() const { return *this->ptr; } T *operator->() const { return this->ptr; } }; template<typename T> class Out<T *> { static_assert(!std::is_same<T, T>::value, "Invalid sf::Out<T> (Raw Pointer)"); }; }