Add spellcheck and word suggestion to the prediction service

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

Index: third_party/prediction/suggest/core/dictionary/ngram_listener.h
diff --git a/third_party/prediction/suggest/core/dictionary/ngram_listener.h b/third_party/prediction/suggest/core/dictionary/ngram_listener.h
new file mode 100644
index 0000000000000000000000000000000000000000..081d04f9ee629d1ced5645cf138a857dbda9ede9
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+++ b/third_party/prediction/suggest/core/dictionary/ngram_listener.h
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+/*
+ * Copyright (C) 2014, 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_NGRAM_LISTENER_H
+#define LATINIME_NGRAM_LISTENER_H
+
+#include "third_party/prediction/defines.h"
+
+namespace latinime {
+
+/**
+ * Interface to iterate ngram entries.
+ */
+class NgramListener {
+ public:
+  virtual void onVisitEntry(const int ngramProbability,
+                            const int targetPtNodePos) = 0;
+  virtual ~NgramListener(){};
+
+ protected:
+  NgramListener() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(NgramListener);
+};
+}  // namespace latinime
+#endif /* LATINIME_NGRAM_LISTENER_H */