| /* |
| * 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_DICT_CONTENT_H |
| #define LATINIME_SPARSE_TABLE_DICT_CONTENT_H |
| |
| #include <cstdio> |
| |
| #include "defines.h" |
| #include "dictionary/structure/v4/ver4_dict_constants.h" |
| #include "dictionary/utils/buffer_with_extendable_buffer.h" |
| #include "dictionary/utils/sparse_table.h" |
| #include "utils/byte_array_view.h" |
| |
| namespace latinime { |
| |
| // TODO: Support multiple contents. |
| class SparseTableDictContent { |
| public: |
| AK_FORCE_INLINE SparseTableDictContent(const ReadWriteByteArrayView *const buffers, |
| const int sparseTableBlockSize, const int sparseTableDataSize) |
| : mExpandableLookupTableBuffer(buffers[LOOKUP_TABLE_BUFFER_INDEX], |
| BufferWithExtendableBuffer::DEFAULT_MAX_ADDITIONAL_BUFFER_SIZE), |
| mExpandableAddressTableBuffer(buffers[ADDRESS_TABLE_BUFFER_INDEX], |
| BufferWithExtendableBuffer::DEFAULT_MAX_ADDITIONAL_BUFFER_SIZE), |
| mExpandableContentBuffer(buffers[CONTENT_BUFFER_INDEX], |
| BufferWithExtendableBuffer::DEFAULT_MAX_ADDITIONAL_BUFFER_SIZE), |
| mAddressLookupTable(&mExpandableLookupTableBuffer, &mExpandableAddressTableBuffer, |
| sparseTableBlockSize, sparseTableDataSize) {} |
| |
| SparseTableDictContent(const int sparseTableBlockSize, const int sparseTableDataSize) |
| : mExpandableLookupTableBuffer(Ver4DictConstants::MAX_DICTIONARY_SIZE), |
| mExpandableAddressTableBuffer(Ver4DictConstants::MAX_DICTIONARY_SIZE), |
| mExpandableContentBuffer(Ver4DictConstants::MAX_DICTIONARY_SIZE), |
| mAddressLookupTable(&mExpandableLookupTableBuffer, &mExpandableAddressTableBuffer, |
| sparseTableBlockSize, sparseTableDataSize) {} |
| |
| virtual ~SparseTableDictContent() {} |
| |
| bool isNearSizeLimit() const { |
| return mExpandableLookupTableBuffer.isNearSizeLimit() |
| || mExpandableAddressTableBuffer.isNearSizeLimit() |
| || mExpandableContentBuffer.isNearSizeLimit(); |
| } |
| |
| protected: |
| SparseTable *getUpdatableAddressLookupTable() { |
| return &mAddressLookupTable; |
| } |
| |
| const SparseTable *getAddressLookupTable() const { |
| return &mAddressLookupTable; |
| } |
| |
| BufferWithExtendableBuffer *getWritableContentBuffer() { |
| return &mExpandableContentBuffer; |
| } |
| |
| const BufferWithExtendableBuffer *getContentBuffer() const { |
| return &mExpandableContentBuffer; |
| } |
| |
| bool flush(FILE *const file) const; |
| |
| private: |
| DISALLOW_IMPLICIT_CONSTRUCTORS(SparseTableDictContent); |
| |
| static const int LOOKUP_TABLE_BUFFER_INDEX; |
| static const int ADDRESS_TABLE_BUFFER_INDEX; |
| static const int CONTENT_BUFFER_INDEX; |
| |
| BufferWithExtendableBuffer mExpandableLookupTableBuffer; |
| BufferWithExtendableBuffer mExpandableAddressTableBuffer; |
| BufferWithExtendableBuffer mExpandableContentBuffer; |
| SparseTable mAddressLookupTable; |
| }; |
| } // namespace latinime |
| #endif /* LATINIME_SPARSE_TABLE_DICT_CONTENT_H */ |