Add spellcheck and word suggestion to the prediction service

third_party/prediction/suggest/core/dictionary/binary_dictionary_bigrams_iterator.h

Index: third_party/prediction/suggest/core/dictionary/binary_dictionary_bigrams_iterator.h
diff --git a/third_party/prediction/suggest/core/dictionary/binary_dictionary_bigrams_iterator.h b/third_party/prediction/suggest/core/dictionary/binary_dictionary_bigrams_iterator.h
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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_BINARY_DICTIONARY_BIGRAMS_ITERATOR_H
+#define LATINIME_BINARY_DICTIONARY_BIGRAMS_ITERATOR_H
+
+#include "third_party/prediction/defines.h"
+#include "third_party/prediction/suggest/core/policy/dictionary_bigrams_structure_policy.h"
+
+namespace latinime {
+
+class BinaryDictionaryBigramsIterator {
+ public:
+  // Empty iterator.
+  BinaryDictionaryBigramsIterator()
+      : mBigramsStructurePolicy(nullptr),
+        mPos(NOT_A_DICT_POS),
+        mBigramPos(NOT_A_DICT_POS),
+        mProbability(NOT_A_PROBABILITY),
+        mHasNext(false) {}
+
+  BinaryDictionaryBigramsIterator(
+      const DictionaryBigramsStructurePolicy* const bigramsStructurePolicy,
+      const int pos)
+      : mBigramsStructurePolicy(bigramsStructurePolicy),
+        mPos(pos),
+        mBigramPos(NOT_A_DICT_POS),
+        mProbability(NOT_A_PROBABILITY),
+        mHasNext(pos != NOT_A_DICT_POS) {}
+
+  BinaryDictionaryBigramsIterator(
+      BinaryDictionaryBigramsIterator&& bigramsIterator)
+      : mBigramsStructurePolicy(bigramsIterator.mBigramsStructurePolicy),
+        mPos(bigramsIterator.mPos),
+        mBigramPos(bigramsIterator.mBigramPos),
+        mProbability(bigramsIterator.mProbability),
+        mHasNext(bigramsIterator.mHasNext) {}
+
+  AK_FORCE_INLINE bool hasNext() const { return mHasNext; }
+
+  AK_FORCE_INLINE void next() {
+    mBigramsStructurePolicy->getNextBigram(&mBigramPos, &mProbability,
+                                           &mHasNext, &mPos);
+  }
+
+  AK_FORCE_INLINE int getProbability() const { return mProbability; }
+
+  AK_FORCE_INLINE int getBigramPos() const { return mBigramPos; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(BinaryDictionaryBigramsIterator);
+
+  const DictionaryBigramsStructurePolicy* const mBigramsStructurePolicy;
+  int mPos;
+  int mBigramPos;
+  int mProbability;
+  bool mHasNext;
+};
+}  // namespace latinime
+#endif  // LATINIME_BINARY_DICTIONARY_BIGRAMS_ITERATOR_H