Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/core/dicnode/dic_node_utils.h

Index: third_party/android_prediction/suggest/core/dicnode/dic_node_utils.h
diff --git a/third_party/android_prediction/suggest/core/dicnode/dic_node_utils.h b/third_party/android_prediction/suggest/core/dicnode/dic_node_utils.h
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index 0000000000000000000000000000000000000000..fadad5f05d5330495fe8536bcc6ba32b5752cb09
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+++ b/third_party/android_prediction/suggest/core/dicnode/dic_node_utils.h
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+/*
+ * Copyright (C) 2012 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_DIC_NODE_UTILS_H
+#define LATINIME_DIC_NODE_UTILS_H
+
+#include "third_party/android_prediction/defines.h"
+
+namespace latinime {
+
+class DicNode;
+class DicNodeVector;
+class DictionaryStructureWithBufferPolicy;
+class MultiBigramMap;
+
+class DicNodeUtils {
+ public:
+    static void initAsRoot(
+            const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy,
+            const int *const prevWordPtNodePos, DicNode *const newRootDicNode);
+    static void initAsRootWithPreviousWord(
+            const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy,
+            const DicNode *const prevWordLastDicNode, DicNode *const newRootDicNode);
+    static void initByCopy(const DicNode *const srcDicNode, DicNode *const destDicNode);
+    static void getAllChildDicNodes(const DicNode *dicNode,
+            const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy,
+            DicNodeVector *childDicNodes);
+    static float getBigramNodeImprobability(
+            const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy,
+            const DicNode *const dicNode, MultiBigramMap *const multiBigramMap);
+
+ private:
+    DISALLOW_IMPLICIT_CONSTRUCTORS(DicNodeUtils);
+    // Max number of bigrams to look up
+    static const int MAX_BIGRAMS_CONSIDERED_PER_CONTEXT = 500;
+
+    static int getBigramNodeProbability(
+            const DictionaryStructureWithBufferPolicy *const dictionaryStructurePolicy,
+            const DicNode *const dicNode, MultiBigramMap *const multiBigramMap);
+};
+} // namespace latinime
+#endif // LATINIME_DIC_NODE_UTILS_H