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