// SPDX-FileCopyrightText: Copyright 2024 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <memory>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "core/hle/service/hle_ipc.h"
namespace Service {
// clang-format off
template <typename T>
class Out {
public:
/* implicit */ Out(T& t) : raw(&t) {}
~Out() = default;
T* Get() const {
return raw;
}
T& operator*() {
return *raw;
}
private:
T* raw;
};
template <typename T>
using SharedPointer = std::shared_ptr<T>;
struct ClientProcessId {
explicit operator bool() const {
return pid != 0;
}
const u64& operator*() const {
return pid;
}
u64 pid;
};
using ClientAppletResourceUserId = ClientProcessId;
template <typename T>
class InCopyHandle : public Kernel::KScopedAutoObject<T> {
public:
using Type = T;
template <typename... Args>
/* implicit */ InCopyHandle(Args&&... args) : Kernel::KScopedAutoObject<T>(std::forward<Args...>(args)...) {}
~InCopyHandle() = default;
InCopyHandle& operator=(InCopyHandle&& rhs) {
Kernel::KScopedAutoObject<T>::operator=(std::move(rhs));
return *this;
}
};
template <typename T>
class OutCopyHandle : public Kernel::KScopedAutoObject<T> {
public:
using Type = T;
template <typename... Args>
/* implicit */ OutCopyHandle(Args&&... args) : Kernel::KScopedAutoObject<T>(std::forward<Args...>(args)...) {}
~OutCopyHandle() = default;
OutCopyHandle& operator=(OutCopyHandle&& rhs) {
Kernel::KScopedAutoObject<T>::operator=(std::move(rhs));
return *this;
}
};
template <typename T>
class OutMoveHandle : public Kernel::KScopedAutoObject<T> {
public:
using Type = T;
template <typename... Args>
/* implicit */ OutMoveHandle(Args&&... args) : Kernel::KScopedAutoObject<T>(std::forward<Args...>(args)...) {}
~OutMoveHandle() = default;
OutMoveHandle& operator=(OutMoveHandle&& rhs) {
Kernel::KScopedAutoObject<T>::operator=(std::move(rhs));
return *this;
}
};
enum BufferAttr : int {
BufferAttr_In = (1U << 0),
BufferAttr_Out = (1U << 1),
BufferAttr_HipcMapAlias = (1U << 2),
BufferAttr_HipcPointer = (1U << 3),
BufferAttr_FixedSize = (1U << 4),
BufferAttr_HipcAutoSelect = (1U << 5),
BufferAttr_HipcMapTransferAllowsNonSecure = (1U << 6),
BufferAttr_HipcMapTransferAllowsNonDevice = (1U << 7),
};
template <typename T, int A>
struct Buffer : public std::span<T> {
static_assert(std::is_trivial_v<T>, "Buffer type must be trivial");
static_assert((A & BufferAttr_FixedSize) == 0, "Buffer attr must not contain FixedSize");
static_assert(((A & BufferAttr_In) == 0) ^ ((A & BufferAttr_Out) == 0), "Buffer attr must be In or Out");
static constexpr BufferAttr Attr = static_cast<BufferAttr>(A);
using Type = T;
Buffer& operator=(const std::span<T>& rhs) {
std::span<T>::operator=(rhs);
return *this;
}
T& operator*() const {
return *this->data();
}
explicit operator bool() const {
return this->size() > 0;
}
};
template <BufferAttr A>
using InBuffer = Buffer<const u8, BufferAttr_In | A>;
template <typename T, BufferAttr A>
using InArray = Buffer<T, BufferAttr_In | A>;
template <BufferAttr A>
using OutBuffer = Buffer<u8, BufferAttr_Out | A>;
template <typename T, BufferAttr A>
using OutArray = Buffer<T, BufferAttr_Out | A>;
template <typename T, int A>
struct LargeData : public T {
static_assert(std::is_trivial_v<T>, "LargeData type must be trivial");
static_assert((A & BufferAttr_FixedSize) != 0, "LargeData attr must contain FixedSize");
static_assert(((A & BufferAttr_In) == 0) ^ ((A & BufferAttr_Out) == 0), "LargeData attr must be In or Out");
static constexpr BufferAttr Attr = static_cast<BufferAttr>(A);
using Type = T;
};
template <typename T, BufferAttr A>
using InLargeData = LargeData<T, BufferAttr_FixedSize | BufferAttr_In | A>;
template <typename T, BufferAttr A>
using OutLargeData = LargeData<T, BufferAttr_FixedSize | BufferAttr_Out | A>;
template <typename T>
struct RemoveOut {
using Type = std::remove_reference_t<T>;
};
template <typename T>
struct RemoveOut<Out<T>> {
using Type = T;
};
enum class ArgumentType {
InProcessId,
InData,
InInterface,
InCopyHandle,
OutData,
OutInterface,
OutCopyHandle,
OutMoveHandle,
InBuffer,
InLargeData,
OutBuffer,
OutLargeData,
};
template <typename T>
struct ArgumentTraits;
template <>
struct ArgumentTraits<ClientProcessId> {
static constexpr ArgumentType Type = ArgumentType::InProcessId;
};
template <typename T>
struct ArgumentTraits<SharedPointer<T>> {
static constexpr ArgumentType Type = ArgumentType::InInterface;
};
template <typename T>
struct ArgumentTraits<InCopyHandle<T>> {
static constexpr ArgumentType Type = ArgumentType::InCopyHandle;
};
template <typename T>
struct ArgumentTraits<Out<SharedPointer<T>>> {
static constexpr ArgumentType Type = ArgumentType::OutInterface;
};
template <typename T>
struct ArgumentTraits<Out<T>> {
static constexpr ArgumentType Type = ArgumentType::OutData;
};
template <typename T>
struct ArgumentTraits<OutCopyHandle<T>> {
static constexpr ArgumentType Type = ArgumentType::OutCopyHandle;
};
template <typename T>
struct ArgumentTraits<OutMoveHandle<T>> {
static constexpr ArgumentType Type = ArgumentType::OutMoveHandle;
};
template <typename T, int A>
struct ArgumentTraits<Buffer<T, A>> {
static constexpr ArgumentType Type = (A & BufferAttr_In) == 0 ? ArgumentType::OutBuffer : ArgumentType::InBuffer;
};
template <typename T, int A>
struct ArgumentTraits<LargeData<T, A>> {
static constexpr ArgumentType Type = (A & BufferAttr_In) == 0 ? ArgumentType::OutLargeData : ArgumentType::InLargeData;
};
template <typename T>
struct ArgumentTraits {
static constexpr ArgumentType Type = ArgumentType::InData;
};
// clang-format on
} // namespace Service
