Index: third_party/android_prediction/suggest/policyimpl/dictionary/utils/sparse_table.h |
diff --git a/third_party/android_prediction/suggest/policyimpl/dictionary/utils/sparse_table.h b/third_party/android_prediction/suggest/policyimpl/dictionary/utils/sparse_table.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c38e106b6d2cf8c19bb60a731ac8339e20a5510b |
--- /dev/null |
+++ b/third_party/android_prediction/suggest/policyimpl/dictionary/utils/sparse_table.h |
@@ -0,0 +1,61 @@ |
+/* |
+ * Copyright (C) 2013, The Android Open Source Project |
+ * |
+ * Licensed under the Apache License, Version 2.0 (the "License"); |
+ * you may not use this file except in compliance with the License. |
+ * You may obtain a copy of the License at |
+ * |
+ * http://www.apache.org/licenses/LICENSE-2.0 |
+ * |
+ * Unless required by applicable law or agreed to in writing, software |
+ * distributed under the License is distributed on an "AS IS" BASIS, |
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+ * See the License for the specific language governing permissions and |
+ * limitations under the License. |
+ */ |
+ |
+#ifndef LATINIME_SPARSE_TABLE_H |
+#define LATINIME_SPARSE_TABLE_H |
+ |
+#include <cstdint> |
+ |
+#include "third_party/android_prediction/defines.h" |
+#include "third_party/android_prediction/suggest/policyimpl/dictionary/utils/buffer_with_extendable_buffer.h" |
+ |
+namespace latinime { |
+ |
+// Note that there is a corresponding implementation in SparseTable.java. |
+// TODO: Support multiple content buffers. |
+class SparseTable { |
+ public: |
+ SparseTable(BufferWithExtendableBuffer *const indexTableBuffer, |
+ BufferWithExtendableBuffer *const contentTableBuffer, const int blockSize, |
+ const int dataSize) |
+ : mIndexTableBuffer(indexTableBuffer), mContentTableBuffer(contentTableBuffer), |
+ mBlockSize(blockSize), mDataSize(dataSize) {} |
+ |
+ bool contains(const int id) const; |
+ |
+ uint32_t get(const int id) const; |
+ |
+ bool set(const int id, const uint32_t value); |
+ |
+ private: |
+ DISALLOW_IMPLICIT_CONSTRUCTORS(SparseTable); |
+ |
+ int getIndexFromContentTablePos(const int contentTablePos) const; |
+ |
+ int getPosInIndexTable(const int id) const; |
+ |
+ int getPosInContentTable(const int id, const int index) const; |
+ |
+ static const int NOT_EXIST; |
+ static const int INDEX_SIZE; |
+ |
+ BufferWithExtendableBuffer *const mIndexTableBuffer; |
+ BufferWithExtendableBuffer *const mContentTableBuffer; |
+ const int mBlockSize; |
+ const int mDataSize; |
+}; |
+} // namespace latinime |
+#endif /* LATINIME_SPARSE_TABLE_H */ |