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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_DICT_TOOLKIT_OFFDEVICE_INTERMEDIATE_DICT_H
     18 #define LATINIME_DICT_TOOLKIT_OFFDEVICE_INTERMEDIATE_DICT_H
     19 
     20 #include "dict_toolkit_defines.h"
     21 #include "offdevice_intermediate_dict/offdevice_intermediate_dict_header.h"
     22 #include "offdevice_intermediate_dict/offdevice_intermediate_dict_pt_node_array.h"
     23 #include "suggest/core/dictionary/property/word_property.h"
     24 #include "utils/int_array_view.h"
     25 
     26 namespace latinime {
     27 namespace dicttoolkit {
     28 
     29 /**
     30  * On memory patricia trie to represent a dictionary.
     31  */
     32 class OffdeviceIntermediateDict final {
     33  public:
     34     OffdeviceIntermediateDict(const OffdeviceIntermediateDictHeader &header)
     35             : mHeader(header), mRootPtNodeArray() {}
     36 
     37     bool addWord(const WordProperty &wordProperty);
     38     // The returned value will be invalid after modifying the dictionary. e.g. calling addWord().
     39     const WordProperty *getWordProperty(const CodePointArrayView codePoints) const;
     40     const OffdeviceIntermediateDictHeader &getHeader() const { return mHeader; }
     41 
     42  private:
     43     DISALLOW_ASSIGNMENT_OPERATOR(OffdeviceIntermediateDict);
     44 
     45     const OffdeviceIntermediateDictHeader mHeader;
     46     OffdeviceIntermediateDictPtNodeArray mRootPtNodeArray;
     47 
     48     bool addWordInner(const CodePointArrayView codePoints, const WordProperty &wordProperty,
     49             OffdeviceIntermediateDictPtNodeArray &ptNodeArray);
     50 };
     51 
     52 } // namespace dicttoolkit
     53 } // namespace latinime
     54 #endif // LATINIME_DICT_TOOLKIT_OFFDEVICE_INTERMEDIATE_DICT_H
     55