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
32namespace latinime {
33namespace backward {
34namespace v402 {
35
36class BigramDictContent;
37} // namespace v402
38} // namespace backward
39class NgramProperty;
40namespace backward {
41namespace v402 {
42} // namespace v402
43} // namespace backward
44class HeaderPolicy;
45namespace backward {
46namespace v402 {
47class TerminalPositionLookupTable;
48
49class Ver4BigramListPolicy : public DictionaryBigramsStructurePolicy {
50 public:
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
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