Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/policyimpl/dictionary/structure/v4/bigram/ver4_bigram_list_policy.h

Index: third_party/android_prediction/suggest/policyimpl/dictionary/structure/v4/bigram/ver4_bigram_list_policy.h
diff --git a/third_party/android_prediction/suggest/policyimpl/dictionary/structure/v4/bigram/ver4_bigram_list_policy.h b/third_party/android_prediction/suggest/policyimpl/dictionary/structure/v4/bigram/ver4_bigram_list_policy.h
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index 0000000000000000000000000000000000000000..f3486382bf579864a8f25811e534b149c7dd8894
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+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LATINIME_VER4_BIGRAM_LIST_POLICY_H
+#define LATINIME_VER4_BIGRAM_LIST_POLICY_H
+
+#include "third_party/android_prediction/defines.h"
+#include "third_party/android_prediction/suggest/core/policy/dictionary_bigrams_structure_policy.h"
+#include "third_party/android_prediction/suggest/policyimpl/dictionary/structure/v4/content/bigram_entry.h"
+
+namespace latinime {
+
+class BigramDictContent;
+class BigramProperty;
+class HeaderPolicy;
+class TerminalPositionLookupTable;
+
+class Ver4BigramListPolicy : public DictionaryBigramsStructurePolicy {
+ public:
+    Ver4BigramListPolicy(BigramDictContent *const bigramDictContent,
+            const TerminalPositionLookupTable *const terminalPositionLookupTable,
+            const HeaderPolicy *const headerPolicy)
+            : mBigramDictContent(bigramDictContent),
+              mTerminalPositionLookupTable(terminalPositionLookupTable),
+              mHeaderPolicy(headerPolicy) {}
+
+    void getNextBigram(int *const outBigramPos, int *const outProbability,
+            bool *const outHasNext, int *const bigramEntryPos) const;
+
+    bool skipAllBigrams(int *const pos) const {
+        // Do nothing because we don't need to skip bigram lists in ver4 dictionaries.
+        return true;
+    }
+
+    bool addNewEntry(const int terminalId, const int newTargetTerminalId,
+            const BigramProperty *const bigramProperty, bool *const outAddedNewEntry);
+
+    bool removeEntry(const int terminalId, const int targetTerminalId);
+
+    bool updateAllBigramEntriesAndDeleteUselessEntries(const int terminalId,
+            int *const outBigramCount);
+
+    int getBigramEntryConut(const int terminalId);
+
+ private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(Ver4BigramListPolicy);
+
+    int getEntryPosToUpdate(const int targetTerminalIdToFind, const int bigramListPos,
+            int *const outTailEntryPos) const;
+
+    const BigramEntry createUpdatedBigramEntryFrom(const BigramEntry *const originalBigramEntry,
+            const BigramProperty *const bigramProperty) const;
+
+    BigramDictContent *const mBigramDictContent;
+    const TerminalPositionLookupTable *const mTerminalPositionLookupTable;
+    const HeaderPolicy *const mHeaderPolicy;
+};
+} // namespace latinime
+#endif /* LATINIME_VER4_BIGRAM_LIST_POLICY_H */