Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/pt_node_reader.h

Index: third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/pt_node_reader.h
diff --git a/third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/pt_node_reader.h b/third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/pt_node_reader.h
new file mode 100644
index 0000000000000000000000000000000000000000..3107834f74a904117dfb3f5edf4a13ae4d625028
--- /dev/null
+++ b/third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/pt_node_reader.h
@@ -0,0 +1,40 @@
+/*
+ * 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_PT_NODE_READER_H
+#define LATINIME_PT_NODE_READER_H
+
+#include "third_party/android_prediction/defines.h"
+
+#include "third_party/android_prediction/suggest/policyimpl/dictionary/structure/pt_common/pt_node_params.h"
+
+namespace latinime {
+
+// Interface class used to read PtNode information.
+class PtNodeReader {
+ public:
+    virtual ~PtNodeReader() {}
+    virtual const PtNodeParams fetchPtNodeParamsInBufferFromPtNodePos(
+            const int ptNodePos) const = 0;
+
+ protected:
+    PtNodeReader() {};
+
+ private:
+    DISALLOW_COPY_AND_ASSIGN(PtNodeReader);
+};
+} // namespace latinime
+#endif /* LATINIME_PT_NODE_READER_H */