mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-24 13:31:12 +00:00
352 lines
16 KiB
C++
352 lines
16 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/sf/sf_common.hpp>
|
|
#include <stratosphere/sf/impl/sf_impl_template_base.hpp>
|
|
#include <stratosphere/sf/sf_object_impl_factory.hpp>
|
|
#include <stratosphere/sf/sf_memory_resource.hpp>
|
|
#include <stratosphere/sf/sf_default_allocation_policy.hpp>
|
|
|
|
namespace ams::sf {
|
|
|
|
namespace impl {
|
|
|
|
template<typename>
|
|
struct IsSmartPointer : public std::false_type{};
|
|
|
|
template<typename T>
|
|
struct IsSmartPointer<SharedPointer<T>> : public std::true_type{};
|
|
|
|
template<typename T>
|
|
struct IsSmartPointer<std::shared_ptr<T>> : public std::true_type{};
|
|
|
|
template<typename T, typename D>
|
|
struct IsSmartPointer<std::unique_ptr<T, D>> : public std::true_type{};
|
|
|
|
template<typename Impl>
|
|
struct UnmanagedEmplaceImplHolderBaseGetter {
|
|
using Type = Impl;
|
|
};
|
|
|
|
template<typename Impl> requires (std::is_abstract<Impl>::value )
|
|
struct UnmanagedEmplaceImplHolderBaseGetter<Impl> {
|
|
class Impl2 : public Impl {
|
|
public:
|
|
using Impl::Impl;
|
|
private:
|
|
constexpr virtual void AddReference() override { /* ... */ }
|
|
constexpr virtual void Release() override { /* ... */ }
|
|
};
|
|
|
|
using Type = Impl2;
|
|
};
|
|
|
|
template<typename Impl>
|
|
class UnmanagedEmplacedImplHolder {
|
|
template<typename, typename, typename, typename, typename>
|
|
friend class impl::ImplTemplateBaseT;
|
|
private:
|
|
using Impl2 = typename UnmanagedEmplaceImplHolderBaseGetter<Impl>::Type;
|
|
static_assert(!std::is_abstract<Impl2>::value);
|
|
private:
|
|
Impl2 m_impl;
|
|
private:
|
|
template<typename... Args>
|
|
constexpr explicit UnmanagedEmplacedImplHolder(Args &&... args) : m_impl(std::forward<Args>(args)...) { /* ... */ }
|
|
public:
|
|
static constexpr Impl *GetImplPointer(UnmanagedEmplacedImplHolder *holder) {
|
|
return std::addressof(holder->m_impl);
|
|
}
|
|
};
|
|
|
|
template<typename Impl>
|
|
class EmplacedImplHolder : private Impl {
|
|
template<typename, typename, typename, typename, typename>
|
|
friend class impl::ImplTemplateBaseT;
|
|
private:
|
|
template<typename... Args>
|
|
constexpr explicit EmplacedImplHolder(Args &&... args) : Impl(std::forward<Args>(args)...) { /* ... */ }
|
|
public:
|
|
static constexpr Impl *GetImplPointer(EmplacedImplHolder *holder) {
|
|
return holder;
|
|
}
|
|
|
|
template<typename Interface>
|
|
static constexpr Impl *GetEmplacedImplPointerImpl(const SharedPointer<Interface> &sp) {
|
|
using Base = impl::ImplTemplateBase<Interface, Interface, EmplacedImplHolder, EmplacedImplHolder>;
|
|
return static_cast<Base *>(sp.Get());
|
|
}
|
|
};
|
|
|
|
template<typename Impl> requires (IsSmartPointer<Impl>::value)
|
|
class EmplacedImplHolder<Impl> : private Impl {
|
|
template<typename, typename, typename, typename, typename>
|
|
friend class impl::ImplTemplateBaseT;
|
|
private:
|
|
template<typename... Args>
|
|
constexpr explicit EmplacedImplHolder(Args &&... args) : Impl(std::forward<Args>(args)...) { /* ... */ }
|
|
public:
|
|
static constexpr auto *GetImplPointer(EmplacedImplHolder *holder) {
|
|
return static_cast<Impl *>(holder)->operator ->();
|
|
}
|
|
|
|
template<typename Interface>
|
|
static constexpr Impl *GetEmplacedImplPointerImpl(const SharedPointer<Interface> &sp) {
|
|
using Base = impl::ImplTemplateBase<Interface, Interface, EmplacedImplHolder, EmplacedImplHolder>;
|
|
return static_cast<Base *>(sp.Get());
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
using SmartPointerHolder = EmplacedImplHolder<T>;
|
|
|
|
template<typename T>
|
|
class ManagedPointerHolder {
|
|
template<typename, typename, typename, typename, typename>
|
|
friend class impl::ImplTemplateBaseT;
|
|
private:
|
|
T *m_p;
|
|
private:
|
|
constexpr explicit ManagedPointerHolder(T *p) : m_p(p) { /* ... */ }
|
|
constexpr ~ManagedPointerHolder() { m_p->Release(); }
|
|
|
|
static constexpr T *GetImplPointer(ManagedPointerHolder *holder) {
|
|
return holder->m_p;
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
class UnmanagedPointerHolder {
|
|
template<typename, typename, typename, typename, typename>
|
|
friend class impl::ImplTemplateBaseT;
|
|
private:
|
|
T *m_p;
|
|
private:
|
|
constexpr explicit UnmanagedPointerHolder(T *p) : m_p(p) { /* ... */ }
|
|
|
|
static constexpr T *GetImplPointer(UnmanagedPointerHolder *holder) {
|
|
return holder->m_p;
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
template<typename Interface, typename Impl>
|
|
class UnmanagedServiceObject final : public impl::ImplTemplateBase<Interface, Interface, impl::UnmanagedEmplacedImplHolder<Impl>, impl::UnmanagedEmplacedImplHolder<Impl>> {
|
|
private:
|
|
using ImplBase = impl::ImplTemplateBase<Interface, Interface, impl::UnmanagedEmplacedImplHolder<Impl>, impl::UnmanagedEmplacedImplHolder<Impl>>;
|
|
public:
|
|
using ImplBase::ImplBase;
|
|
|
|
constexpr virtual void AddReference() override { /* ... */ }
|
|
constexpr virtual void Release() override { /* ... */ }
|
|
|
|
constexpr Impl &GetImpl() { return *impl::UnmanagedEmplacedImplHolder<Impl>::GetImplPointer(this); }
|
|
|
|
constexpr SharedPointer<Interface> GetShared() { return SharedPointer<Interface>(this, false); }
|
|
};
|
|
|
|
template<typename Interface, typename T>
|
|
class UnmanagedServiceObjectByPointer final : public impl::ImplTemplateBase<Interface, Interface, impl::UnmanagedPointerHolder<T>, impl::UnmanagedPointerHolder<T>> {
|
|
private:
|
|
using ImplBase = impl::ImplTemplateBase<Interface, Interface, impl::UnmanagedPointerHolder<T>, impl::UnmanagedPointerHolder<T>>;
|
|
public:
|
|
constexpr explicit UnmanagedServiceObjectByPointer(T *ptr) : ImplBase(ptr) { /* ... */ }
|
|
|
|
constexpr virtual void AddReference() override { /* ... */ }
|
|
constexpr virtual void Release() override { /* ... */ }
|
|
|
|
constexpr SharedPointer<Interface> GetShared() { return SharedPointer<Interface>(this, false); }
|
|
};
|
|
|
|
template<typename Policy>
|
|
class ObjectFactory;
|
|
|
|
template<typename Interface, typename Impl>
|
|
class EmplacedRef : public SharedPointer<Interface> {
|
|
template<typename> friend class ObjectFactory;
|
|
private:
|
|
constexpr explicit EmplacedRef(Interface *ptr, bool incref) : SharedPointer<Interface>(ptr, incref) { /* ... */ }
|
|
public:
|
|
constexpr EmplacedRef() { /* ... */ }
|
|
|
|
constexpr Impl &GetImpl() const {
|
|
return *impl::EmplacedImplHolder<Impl>::template GetEmplacedImplPointerImpl<Interface>(*this);
|
|
}
|
|
};
|
|
|
|
template<typename Policy> requires (!IsStatefulPolicy<Policy>)
|
|
class ObjectFactory<Policy> {
|
|
private:
|
|
template<typename Interface, typename Holder, typename T>
|
|
static constexpr SharedPointer<Interface> CreateSharedForPointer(T t) {
|
|
using Base = impl::ImplTemplateBase<Interface, Interface, Holder, Holder>;
|
|
return SharedPointer<Interface>(ObjectImplFactory<Base, Policy>::Create(std::forward<T>(t)), false);
|
|
}
|
|
public:
|
|
template<typename Interface, typename Impl, typename... Args>
|
|
static constexpr EmplacedRef<Interface, Impl> CreateSharedEmplaced(Args &&... args) {
|
|
using Base = impl::ImplTemplateBase<Interface, Interface, impl::EmplacedImplHolder<Impl>, impl::EmplacedImplHolder<Impl>>;
|
|
return EmplacedRef<Interface, Impl>(ObjectImplFactory<Base, Policy>::Create(std::forward<Args>(args)...), false);
|
|
}
|
|
|
|
template<typename T, typename... Args>
|
|
static constexpr SharedPointer<T> CreateUserSharedObject(Args &&... args) {
|
|
return SharedPointer<T>(ObjectImplFactory<T, Policy>::Create(std::forward<Args>(args)...), false);
|
|
}
|
|
|
|
template<typename Impl, typename Interface>
|
|
static constexpr Impl *GetEmplacedImplPointer(const SharedPointer<Interface> &sp) {
|
|
return impl::EmplacedImplHolder<Impl>::template GetEmplacedImplPointerImpl<Interface>(sp);
|
|
}
|
|
|
|
template<typename Interface, typename Smart>
|
|
static constexpr SharedPointer<Interface> CreateShared(Smart &&sp) {
|
|
return CreateSharedForPointer<Interface, impl::SmartPointerHolder<typename std::decay<decltype(sp)>::type>>(std::forward<Smart>(sp));
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
static constexpr SharedPointer<Interface> CreateShared(T *p) {
|
|
return CreateSharedForPointer<Interface, impl::ManagedPointerHolder<T>>(p);
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
static constexpr SharedPointer<Interface> CreateSharedWithoutManagement(T *p) {
|
|
return CreateSharedForPointer<Interface, impl::UnmanagedPointerHolder<T>>(p);
|
|
}
|
|
};
|
|
|
|
template<typename Policy> requires (IsStatefulPolicy<Policy>)
|
|
class ObjectFactory<Policy> {
|
|
public:
|
|
using Allocator = typename Policy::Allocator;
|
|
private:
|
|
template<typename Interface, typename Holder, typename T>
|
|
static constexpr SharedPointer<Interface> CreateSharedForPointer(Allocator *a, T t) {
|
|
using Base = impl::ImplTemplateBase<Interface, Interface, Holder, Holder>;
|
|
return SharedPointer<Interface>(ObjectImplFactory<Base, Policy>::Create(a, std::forward<T>(t)), false);
|
|
}
|
|
public:
|
|
template<typename Interface, typename Impl, typename... Args>
|
|
static constexpr EmplacedRef<Interface, Impl> CreateSharedEmplaced(Allocator *a, Args &&... args) {
|
|
using Base = impl::ImplTemplateBase<Interface, Interface, impl::EmplacedImplHolder<Impl>, impl::EmplacedImplHolder<Impl>>;
|
|
return EmplacedRef<Interface, Impl>(ObjectImplFactory<Base, Policy>::Create(a, std::forward<Args>(args)...), false);
|
|
}
|
|
|
|
template<typename T, typename... Args>
|
|
static constexpr SharedPointer<T> CreateUserSharedObject(Allocator *a, Args &&... args) {
|
|
return SharedPointer<T>(ObjectImplFactory<T, Policy>::Create(a, std::forward<Args>(args)...), false);
|
|
}
|
|
|
|
template<typename Impl, typename Interface>
|
|
static constexpr Impl *GetEmplacedImplPointer(const SharedPointer<Interface> &sp) {
|
|
return impl::EmplacedImplHolder<Impl>::template GetEmplacedImplPointerImpl<Interface>(sp);
|
|
}
|
|
|
|
template<typename Interface, typename Smart>
|
|
static constexpr SharedPointer<Interface> CreateShared(Allocator *a, Smart &&sp) {
|
|
return CreateSharedForPointer<Interface, impl::SmartPointerHolder<typename std::decay<decltype(sp)>::type>>(a, std::forward<Smart>(sp));
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
static constexpr SharedPointer<Interface> CreateShared(Allocator *a, T *p) {
|
|
return CreateSharedForPointer<Interface, impl::ManagedPointerHolder<T>>(a, p);
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
static constexpr SharedPointer<Interface> CreateSharedWithoutManagement(Allocator *a, T *p) {
|
|
return CreateSharedForPointer<Interface, impl::UnmanagedPointerHolder<T>>(a, p);
|
|
}
|
|
};
|
|
|
|
template<typename Policy>
|
|
class StatefulObjectFactory {
|
|
public:
|
|
using Allocator = typename Policy::Allocator;
|
|
private:
|
|
using StaticObjectFactory = ObjectFactory<Policy>;
|
|
private:
|
|
Allocator *m_allocator;
|
|
public:
|
|
constexpr explicit StatefulObjectFactory(Allocator *a) : m_allocator(a) { /* ... */ }
|
|
|
|
template<typename Interface, typename Impl, typename... Args>
|
|
constexpr EmplacedRef<Interface, Impl> CreateSharedEmplaced(Args &&... args) {
|
|
return StaticObjectFactory::template CreateSharedEmplaced<Interface, Impl>(m_allocator, std::forward<Args>(args)...);
|
|
}
|
|
|
|
template<typename Impl, typename Interface>
|
|
static constexpr Impl *GetEmplacedImplPointer(const SharedPointer<Interface> &sp) {
|
|
return StaticObjectFactory::template GetEmplacedImplPointer<Impl, Interface>(sp);
|
|
}
|
|
|
|
template<typename Interface, typename Smart>
|
|
constexpr SharedPointer<Interface> CreateShared(Allocator *a, Smart &&sp) {
|
|
return StaticObjectFactory::template CreateShared<Interface>(m_allocator, std::forward<Smart>(sp));
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
constexpr SharedPointer<Interface> CreateShared(Allocator *a, T *p) {
|
|
return StaticObjectFactory::template CreateShared<Interface>(m_allocator, p);
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
constexpr SharedPointer<Interface> CreateSharedWithoutManagement(Allocator *a, T *p) {
|
|
return StaticObjectFactory::template CreateSharedWithoutManagement<Interface>(m_allocator, p);
|
|
}
|
|
};
|
|
|
|
using DefaultObjectFactory = ObjectFactory<DefaultAllocationPolicy>;
|
|
using MemoryResourceObjectFactory = ObjectFactory<MemoryResourceAllocationPolicy>;
|
|
|
|
template<typename Interface, typename Impl, typename... Args>
|
|
inline EmplacedRef<Interface, Impl> CreateSharedObjectEmplaced(Args &&... args) {
|
|
return DefaultObjectFactory::CreateSharedEmplaced<Interface, Impl>(std::forward<Args>(args)...);
|
|
}
|
|
|
|
template<typename Interface, typename Impl, typename... Args>
|
|
inline EmplacedRef<Interface, Impl> CreateSharedObjectEmplaced(MemoryResource *mr, Args &&... args) {
|
|
return MemoryResourceObjectFactory::CreateSharedEmplaced<Interface, Impl>(mr, std::forward<Args>(args)...);
|
|
}
|
|
|
|
template<typename Interface, typename Smart>
|
|
inline SharedPointer<Interface> CreateSharedObject(Smart &&sp) {
|
|
return DefaultObjectFactory::CreateShared<Interface, Smart>(std::forward<Smart>(sp));
|
|
}
|
|
|
|
template<typename Interface, typename Smart>
|
|
inline SharedPointer<Interface> CreateSharedObject(MemoryResource *mr, Smart &&sp) {
|
|
return MemoryResourceObjectFactory::CreateShared<Interface, Smart>(mr, std::forward<Smart>(sp));
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
inline SharedPointer<Interface> CreateSharedObject(T *ptr) {
|
|
return DefaultObjectFactory::CreateShared<Interface, T>(std::move(ptr));
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
inline SharedPointer<Interface> CreateSharedObjectWithoutManagement(T *ptr) {
|
|
return DefaultObjectFactory::CreateSharedWithoutManagement<Interface, T>(std::move(ptr));
|
|
}
|
|
|
|
template<typename Interface, typename T>
|
|
inline SharedPointer<Interface> CreateSharedObjectWithoutManagement(MemoryResource *mr, T *ptr) {
|
|
return DefaultObjectFactory::CreateSharedWithoutManagement<Interface, T>(mr, std::move(ptr));
|
|
}
|
|
|
|
}
|