libbinder*: IBinder/IInterface toString impl (dd511058) · Commits · e / os / android_frameworks_native

libs/binder/ndk/include_cpp/android/binder_to_string.h

+19 −27

Original line number	Diff line number	Diff line
		@@ -138,30 +138,6 @@ class IsIterable {
		enum { value = decltype(_test<_T>(0))::value };
		};

		template <typename _T>
		class ToEmptyString {
		template <typename _U>
		static std::enable_if_t<false
		#ifdef HAS_NDK_INTERFACE
		\|\| std::is_base_of_v<::ndk::ICInterface, _U>
		#if __ANDROID_API__ >= 31
		\|\| std::is_same_v<::ndk::AParcelableHolder, _U>
		#endif
		#endif // HAS_NDK_INTERFACE
		#ifdef HAS_CPP_INTERFACE
		\|\| std::is_base_of_v<IInterface, _U> \|\|
		std::is_same_v<IBinder, _U>
		#endif
		,
		std::true_type>
		_test(int);
		template <typename _U>
		static std::false_type _test(...);

		public:
		enum { value = decltype(_test<_T>(0))::value };
		};

		template <typename _T>
		struct TypeDependentFalse {
		enum { value = false };
		@@ -171,9 +147,7 @@ struct TypeDependentFalse {

		template <typename _T>
		std::string ToString(const _T& t) {
		if constexpr (details::ToEmptyString<_T>::value) {
		return "<unimplemented>";
		} else if constexpr (std::is_same_v<bool, _T>) {
		if constexpr (std::is_same_v<bool, _T>) {
		return t ? "true" : "false";
		} else if constexpr (std::is_same_v<char16_t, _T>) {
		// TODO(b/244494451): codecvt is deprecated in C++17 -- suppress the
		@@ -193,6 +167,24 @@ std::string ToString(const _T& t) {
		return ss.str();
		} else if constexpr (std::is_same_v<::ndk::ScopedFileDescriptor, _T>) {
		return "fd:" + std::to_string(t.get());
		} else if constexpr (std::is_base_of_v<::ndk::ICInterface, _T>) {
		// TODO(b/266248339): this format is to make it easy to handle resolv_integration_test
		// freezing the output format. We would like to print more info.
		return "<interface>";
		#if __ANDROID_API__ >= 31
		} else if constexpr (std::is_same_v<::ndk::AParcelableHolder, _T>) {
		return "AParcelableHolder";
		#endif
		#endif // HAS_NDK_INTERFACE
		#ifdef HAS_CPP_INTERFACE
		} else if constexpr (std::is_base_of_v<IInterface, _T>) {
		std::stringstream ss;
		ss << "interface:" << std::hex << &t;
		return ss.str();
		} else if constexpr (std::is_same_v<IBinder, _T>) {
		std::stringstream ss;
		ss << "binder:" << std::hex << &t;
		return ss.str();
		#endif
		#ifdef HAS_STRING16
		} else if constexpr (std::is_same_v<String16, _T>) {