Add BufferWithExtendableBuffer::extend() (ff6ca099) · Commits · e / os / android_packages_inputmethods_LatinIME

native/jni/src/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.cpp

+9 −5

Original line number	Diff line number	Diff line
		@@ -49,6 +49,10 @@ void BufferWithExtendableBuffer::readCodePointsAndAdvancePosition(const int maxC
		}
		}

		bool BufferWithExtendableBuffer::extend(const int size) {
		return checkAndPrepareWriting(getTailPosition(), size);
		}

		bool BufferWithExtendableBuffer::writeUint(const uint32_t data, const int size, const int pos) {
		int writingPos = pos;
		return writeUintAndAdvancePosition(data, size, &writingPos);
		@@ -96,13 +100,13 @@ bool BufferWithExtendableBuffer::writeCodePointsAndAdvancePosition(const int *co
		return true;
		}

		bool BufferWithExtendableBuffer::extendBuffer() {
		const size_t sizeAfterExtending =
		mAdditionalBuffer.size() + EXTEND_ADDITIONAL_BUFFER_SIZE_STEP;
		bool BufferWithExtendableBuffer::extendBuffer(const size_t size) {
		const size_t extendSize = std::max(EXTEND_ADDITIONAL_BUFFER_SIZE_STEP, size);
		const size_t sizeAfterExtending = mAdditionalBuffer.size() + extendSize;
		if (sizeAfterExtending > mMaxAdditionalBufferSize) {
		return false;
		}
		mAdditionalBuffer.resize(mAdditionalBuffer.size() + EXTEND_ADDITIONAL_BUFFER_SIZE_STEP);
		mAdditionalBuffer.resize(sizeAfterExtending);
		return true;
		}

		@@ -133,7 +137,7 @@ bool BufferWithExtendableBuffer::checkAndPrepareWriting(const int pos, const int
		}
		const size_t extendSize = totalRequiredSize -
		std::min(mAdditionalBuffer.size() + mOriginalBufferSize, totalRequiredSize);
		if (extendSize > 0 && !extendBuffer()) {
		if (extendSize > 0 && !extendBuffer(extendSize)) {
		// Failed to extend the buffer.
		return false;
		}

+3 −1

Original line number	Diff line number	Diff line
		@@ -87,6 +87,8 @@ class BufferWithExtendableBuffer {
		* NEAR_BUFFER_LIMIT_THRESHOLD_PERCENTILE) / 100);
		}

		bool extend(const int size);

		/**
		* For writing.
		*
		@@ -115,7 +117,7 @@ class BufferWithExtendableBuffer {
		const size_t mMaxAdditionalBufferSize;

		// Return if the buffer is successfully extended or not.
		bool extendBuffer();
		bool extendBuffer(const size_t size);

		// Returns if it is possible to write size-bytes from pos. When pos is at the tail position of
		// the additional buffer, try extending the buffer.