| /* |
| * 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 "defines.h" |
| #include "dictionary/utils/buffer_with_extendable_buffer.h" |
| |
| namespace latinime { |
| |
| // 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 */ |