| #pragma once |
| |
| #include <android/binder_to_string.h> |
| #include <binder/Parcel.h> |
| #include <binder/ParcelFileDescriptor.h> |
| #include <binder/Status.h> |
| #include <cassert> |
| #include <cstdint> |
| #include <type_traits> |
| #include <utility> |
| #include <utils/String16.h> |
| #include <variant> |
| |
| #ifndef __BIONIC__ |
| #define __assert2(a,b,c,d) ((void)0) |
| #endif |
| |
| namespace android { |
| |
| namespace aidl { |
| |
| namespace tests { |
| |
| class UnionWithFd : public ::android::Parcelable { |
| public: |
| inline bool operator!=(const UnionWithFd& rhs) const { |
| return _value != rhs._value; |
| } |
| inline bool operator<(const UnionWithFd& rhs) const { |
| return _value < rhs._value; |
| } |
| inline bool operator<=(const UnionWithFd& rhs) const { |
| return _value <= rhs._value; |
| } |
| inline bool operator==(const UnionWithFd& rhs) const { |
| return _value == rhs._value; |
| } |
| inline bool operator>(const UnionWithFd& rhs) const { |
| return _value > rhs._value; |
| } |
| inline bool operator>=(const UnionWithFd& rhs) const { |
| return _value >= rhs._value; |
| } |
| |
| enum Tag : int32_t { |
| num = 0, // int num; |
| pfd, // ParcelFileDescriptor pfd; |
| }; |
| |
| template<typename _Tp> |
| static constexpr bool _not_self = !std::is_same_v<std::remove_cv_t<std::remove_reference_t<_Tp>>, UnionWithFd>; |
| |
| UnionWithFd() : _value(std::in_place_index<num>, int32_t(0)) { } |
| UnionWithFd(const UnionWithFd&) = default; |
| UnionWithFd(UnionWithFd&&) = default; |
| UnionWithFd& operator=(const UnionWithFd&) = default; |
| UnionWithFd& operator=(UnionWithFd&&) = default; |
| |
| template <typename _Tp, typename = std::enable_if_t<_not_self<_Tp>>> |
| // NOLINTNEXTLINE(google-explicit-constructor) |
| constexpr UnionWithFd(_Tp&& _arg) |
| : _value(std::forward<_Tp>(_arg)) {} |
| |
| template <size_t _Np, typename... _Tp> |
| constexpr explicit UnionWithFd(std::in_place_index_t<_Np>, _Tp&&... _args) |
| : _value(std::in_place_index<_Np>, std::forward<_Tp>(_args)...) {} |
| |
| template <Tag _tag, typename... _Tp> |
| static UnionWithFd make(_Tp&&... _args) { |
| return UnionWithFd(std::in_place_index<_tag>, std::forward<_Tp>(_args)...); |
| } |
| |
| template <Tag _tag, typename _Tp, typename... _Up> |
| static UnionWithFd make(std::initializer_list<_Tp> _il, _Up&&... _args) { |
| return UnionWithFd(std::in_place_index<_tag>, std::move(_il), std::forward<_Up>(_args)...); |
| } |
| |
| Tag getTag() const { |
| return static_cast<Tag>(_value.index()); |
| } |
| |
| template <Tag _tag> |
| const auto& get() const { |
| if (getTag() != _tag) { __assert2(__FILE__, __LINE__, __PRETTY_FUNCTION__, "bad access: a wrong tag"); } |
| return std::get<_tag>(_value); |
| } |
| |
| template <Tag _tag> |
| auto& get() { |
| if (getTag() != _tag) { __assert2(__FILE__, __LINE__, __PRETTY_FUNCTION__, "bad access: a wrong tag"); } |
| return std::get<_tag>(_value); |
| } |
| |
| template <Tag _tag, typename... _Tp> |
| void set(_Tp&&... _args) { |
| _value.emplace<_tag>(std::forward<_Tp>(_args)...); |
| } |
| |
| ::android::status_t readFromParcel(const ::android::Parcel* _aidl_parcel) final; |
| ::android::status_t writeToParcel(::android::Parcel* _aidl_parcel) const final; |
| static const ::android::String16& getParcelableDescriptor() { |
| static const ::android::StaticString16 DESCIPTOR (u"android.aidl.tests.UnionWithFd"); |
| return DESCIPTOR; |
| } |
| inline std::string toString() const { |
| std::ostringstream os; |
| os << "UnionWithFd{"; |
| switch (getTag()) { |
| case num: os << "num: " << ::android::internal::ToString(get<num>()); break; |
| case pfd: os << "pfd: " << ::android::internal::ToString(get<pfd>()); break; |
| } |
| os << "}"; |
| return os.str(); |
| } |
| private: |
| std::variant<int32_t, ::android::os::ParcelFileDescriptor> _value; |
| }; // class UnionWithFd |
| |
| } // namespace tests |
| |
| } // namespace aidl |
| |
| } // namespace android |