56 lines
1.9 KiB
C++
56 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_VER4_PATRICIA_TRIE_NODE_READER_H
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#define LATINIME_VER4_PATRICIA_TRIE_NODE_READER_H
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#include "defines.h"
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#include "dictionary/structure/pt_common/pt_node_params.h"
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#include "dictionary/structure/pt_common/pt_node_reader.h"
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namespace latinime {
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class BufferWithExtendableBuffer;
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class HeaderPolicy;
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class LanguageModelDictContent;
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/*
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* This class is used for helping to read nodes of ver4 patricia trie. This class handles moved
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* node and reads node attributes.
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*/
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class Ver4PatriciaTrieNodeReader : public PtNodeReader {
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public:
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explicit Ver4PatriciaTrieNodeReader(const BufferWithExtendableBuffer *const buffer)
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: mBuffer(buffer) {}
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~Ver4PatriciaTrieNodeReader() {}
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virtual const PtNodeParams fetchPtNodeParamsInBufferFromPtNodePos(const int ptNodePos) const {
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return fetchPtNodeInfoFromBufferAndProcessMovedPtNode(ptNodePos,
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NOT_A_DICT_POS /* siblingNodePos */);
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}
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private:
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DISALLOW_COPY_AND_ASSIGN(Ver4PatriciaTrieNodeReader);
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const BufferWithExtendableBuffer *const mBuffer;
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const PtNodeParams fetchPtNodeInfoFromBufferAndProcessMovedPtNode(const int ptNodePos,
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const int siblingNodePos) const;
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};
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} // namespace latinime
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#endif /* LATINIME_VER4_PATRICIA_TRIE_NODE_READER_H */
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