1 /*
2  * Copyright (C) 2013 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 /*
18  * !!!!! DO NOT CHANGE THE LOGIC IN THIS FILE !!!!!
19  * Do not edit this file other than updating policy's interface.
20  *
21  * This file was generated from
22  *   suggest/policyimpl/dictionary/structure/v4/bigram/ver4_bigram_list_policy.h
23  */
24 
25 #ifndef LATINIME_BACKWARD_V402_VER4_BIGRAM_LIST_POLICY_H
26 #define LATINIME_BACKWARD_V402_VER4_BIGRAM_LIST_POLICY_H
27 
28 #include "defines.h"
29 #include "dictionary/interface/dictionary_bigrams_structure_policy.h"
30 #include "dictionary/structure/backward/v402/content/bigram_entry.h"
31 
32 namespace latinime {
33 namespace backward {
34 namespace v402 {
35 
36 class BigramDictContent;
37 } // namespace v402
38 } // namespace backward
39 class NgramProperty;
40 namespace backward {
41 namespace v402 {
42 } // namespace v402
43 } // namespace backward
44 class HeaderPolicy;
45 namespace backward {
46 namespace v402 {
47 class TerminalPositionLookupTable;
48 
49 class Ver4BigramListPolicy : public DictionaryBigramsStructurePolicy {
50  public:
Ver4BigramListPolicy(BigramDictContent * const bigramDictContent,const TerminalPositionLookupTable * const terminalPositionLookupTable,const HeaderPolicy * const headerPolicy)51     Ver4BigramListPolicy(BigramDictContent *const bigramDictContent,
52             const TerminalPositionLookupTable *const terminalPositionLookupTable,
53             const HeaderPolicy *const headerPolicy)
54             : mBigramDictContent(bigramDictContent),
55               mTerminalPositionLookupTable(terminalPositionLookupTable),
56               mHeaderPolicy(headerPolicy) {}
57 
58     void getNextBigram(int *const outBigramPos, int *const outProbability,
59             bool *const outHasNext, int *const bigramEntryPos) const;
60 
skipAllBigrams(int * const pos)61     bool skipAllBigrams(int *const pos) const {
62         // Do nothing because we don't need to skip bigram lists in ver4 dictionaries.
63         return true;
64     }
65 
66     bool addNewEntry(const int terminalId, const int newTargetTerminalId,
67             const NgramProperty *const ngramProperty, bool *const outAddedNewEntry);
68 
69     bool removeEntry(const int terminalId, const int targetTerminalId);
70 
71     bool updateAllBigramEntriesAndDeleteUselessEntries(const int terminalId,
72             int *const outBigramCount);
73 
74     int getBigramEntryConut(const int terminalId);
75 
76  private:
77     DISALLOW_IMPLICIT_CONSTRUCTORS(Ver4BigramListPolicy);
78 
79     int getEntryPosToUpdate(const int targetTerminalIdToFind, const int bigramListPos,
80             int *const outTailEntryPos) const;
81 
82     const BigramEntry createUpdatedBigramEntryFrom(const BigramEntry *const originalBigramEntry,
83             const NgramProperty *const ngramProperty) const;
84 
85     bool updateHasNextFlag(const bool hasNext, const int bigramEntryPos);
86 
87     BigramDictContent *const mBigramDictContent;
88     const TerminalPositionLookupTable *const mTerminalPositionLookupTable;
89     const HeaderPolicy *const mHeaderPolicy;
90 };
91 } // namespace v402
92 } // namespace backward
93 } // namespace latinime
94 #endif /* LATINIME_BACKWARD_V402_VER4_BIGRAM_LIST_POLICY_H */
95