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/*
* 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 "suggest/policyimpl/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 */
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