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      1 /*
      2  * Copyright (C) 2014, The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef LATINIME_VER2_PATRICIA_TRIE_NODE_READER_H
     18 #define LATINIME_VER2_PATRICIA_TRIE_NODE_READER_H
     19 
     20 #include <cstdint>
     21 
     22 #include "defines.h"
     23 #include "dictionary/structure/pt_common/pt_node_params.h"
     24 #include "dictionary/structure/pt_common/pt_node_reader.h"
     25 #include "utils/byte_array_view.h"
     26 
     27 namespace latinime {
     28 
     29 class DictionaryBigramsStructurePolicy;
     30 class DictionaryShortcutsStructurePolicy;
     31 
     32 class Ver2ParticiaTrieNodeReader : public PtNodeReader {
     33  public:
     34     Ver2ParticiaTrieNodeReader(const ReadOnlyByteArrayView buffer,
     35             const DictionaryBigramsStructurePolicy *const bigramPolicy,
     36             const DictionaryShortcutsStructurePolicy *const shortcutPolicy,
     37             const int *const codePointTable)
     38             : mBuffer(buffer), mBigramPolicy(bigramPolicy), mShortcutPolicy(shortcutPolicy),
     39               mCodePointTable(codePointTable) {}
     40 
     41     virtual const PtNodeParams fetchPtNodeParamsInBufferFromPtNodePos(const int ptNodePos) const;
     42 
     43  private:
     44     DISALLOW_IMPLICIT_CONSTRUCTORS(Ver2ParticiaTrieNodeReader);
     45 
     46     const ReadOnlyByteArrayView mBuffer;
     47     const DictionaryBigramsStructurePolicy *const mBigramPolicy;
     48     const DictionaryShortcutsStructurePolicy *const mShortcutPolicy;
     49     const int *const mCodePointTable;
     50 };
     51 } // namespace latinime
     52 #endif /* LATINIME_VER2_PATRICIA_TRIE_NODE_READER_H */
     53