libbinder_ndk: utils for vector<SpAIBinder> am: 58488fe01f am: 8ea3e49ee5 am:... (0aa642d1) · Commits · e / os / android_frameworks_native-old

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

+94 −0

Original line number	Diff line number	Diff line
		@@ -542,6 +542,28 @@ binder_status_t AParcel_readStdVectorParcelableElement(const AParcel* parcel, vo
		return AParcel_readParcelable(parcel, &vector->at(index));
		}

		/**
		* Writes a parcelable object of type P inside a std::vector<P> at index 'index' to 'parcel'.
		*/
		template <typename P>
		binder_status_t AParcel_writeNullableStdVectorParcelableElement(AParcel* parcel,
		const void* vectorData,
		size_t index) {
		const std::optional<std::vector<P>>* vector =
		static_cast<const std::optional<std::vector<P>*>>(vectorData);
		return AParcel_writeNullableParcelable(parcel, vector->at(index));
		}

		/**
		* Reads a parcelable object of type P inside a std::vector<P> at index 'index' from 'parcel'.
		*/
		template <typename P>
		binder_status_t AParcel_readNullableStdVectorParcelableElement(const AParcel* parcel,
		void* vectorData, size_t index) {
		std::optional<std::vector<P>>* vector = static_cast<std::optional<std::vector<P>>*>(vectorData);
		return AParcel_readNullableParcelable(parcel, &vector->at(index));
		}

		/**
		* Writes a ScopedFileDescriptor object inside a std::vector<ScopedFileDescriptor> at index 'index'
		* to 'parcel'.
		@@ -578,6 +600,54 @@ inline binder_status_t AParcel_readStdVectorParcelableElement<ScopedFileDescript
		return status;
		}

		/**
		* Writes an SpAIBinder object inside a std::vector<SpAIBinder> at index 'index'
		* to 'parcel'.
		*/
		template <>
		inline binder_status_t AParcel_writeStdVectorParcelableElement<SpAIBinder>(AParcel* parcel,
		const void* vectorData,
		size_t index) {
		const std::vector<SpAIBinder>* vector = static_cast<const std::vector<SpAIBinder>*>(vectorData);
		return AParcel_writeRequiredStrongBinder(parcel, vector->at(index));
		}

		/**
		* Reads an SpAIBinder object inside a std::vector<SpAIBinder> at index 'index'
		* from 'parcel'.
		*/
		template <>
		inline binder_status_t AParcel_readStdVectorParcelableElement<SpAIBinder>(const AParcel* parcel,
		void* vectorData,
		size_t index) {
		std::vector<SpAIBinder>* vector = static_cast<std::vector<SpAIBinder>*>(vectorData);
		return AParcel_readRequiredStrongBinder(parcel, &vector->at(index));
		}

		/**
		* Writes an SpAIBinder object inside a std::optional<std::vector<SpAIBinder>> at index 'index'
		* to 'parcel'.
		*/
		template <>
		inline binder_status_t AParcel_writeNullableStdVectorParcelableElement<SpAIBinder>(
		AParcel* parcel, const void* vectorData, size_t index) {
		const std::optional<std::vector<SpAIBinder>>* vector =
		static_cast<const std::optional<std::vector<SpAIBinder>>*>(vectorData);
		return AParcel_writeNullableStrongBinder(parcel, (*vector)->at(index));
		}

		/**
		* Reads an SpAIBinder object inside a std::optional<std::vector<SpAIBinder>> at index 'index'
		* from 'parcel'.
		*/
		template <>
		inline binder_status_t AParcel_readNullableStdVectorParcelableElement<SpAIBinder>(
		const AParcel* parcel, void* vectorData, size_t index) {
		std::optional<std::vector<SpAIBinder>>* vector =
		static_cast<std::optional<std::vector<SpAIBinder>>*>(vectorData);
		return AParcel_readNullableStrongBinder(parcel, &(*vector)->at(index));
		}

		/**
		* Convenience API for writing a std::vector<P>
		*/
		@@ -598,6 +668,30 @@ static inline binder_status_t AParcel_readVector(const AParcel* parcel, std::vec
		AParcel_readStdVectorParcelableElement<P>);
		}

		/**
		* Convenience API for writing a std::optional<std::vector<P>>
		*/
		template <typename P>
		static inline binder_status_t AParcel_writeVector(AParcel* parcel,
		const std::optional<std::vector<P>>& vec) {
		if (!vec) return AParcel_writeInt32(parcel, -1);
		const void* vectorData = static_cast<const void*>(&vec);
		return AParcel_writeParcelableArray(parcel, vectorData, static_cast<int32_t>(vec->size()),
		AParcel_writeNullableStdVectorParcelableElement<P>);
		}

		/**
		* Convenience API for reading a std::optional<std::vector<P>>
		*/
		template <typename P>
		static inline binder_status_t AParcel_readVector(const AParcel* parcel,
		std::optional<std::vector<P>>* vec) {
		void* vectorData = static_cast<void*>(vec);
		return AParcel_readParcelableArray(parcel, vectorData,
		AParcel_nullableStdVectorExternalAllocator<P>,
		AParcel_readNullableStdVectorParcelableElement<P>);
		}

		// @START
		/**
		* Writes a vector of int32_t to the next location in a non-null parcel.