Add spellcheck and word suggestion to the prediction service

third_party/android_prediction/suggest/core/policy/scoring.h

Index: third_party/android_prediction/suggest/core/policy/scoring.h
diff --git a/third_party/android_prediction/suggest/core/policy/scoring.h b/third_party/android_prediction/suggest/core/policy/scoring.h
new file mode 100644
index 0000000000000000000000000000000000000000..aaad200393e27e861a21437e60bc088a6a7bc1d6
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+++ b/third_party/android_prediction/suggest/core/policy/scoring.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_SCORING_H
+#define LATINIME_SCORING_H
+
+#include "third_party/android_prediction/defines.h"
+
+namespace latinime {
+
+class DicNode;
+class DicTraverseSession;
+class SuggestionResults;
+
+// This class basically tweaks suggestions and distances apart from CompoundDistance
+class Scoring {
+ public:
+    virtual int calculateFinalScore(const float compoundDistance, const int inputSize,
+            const ErrorTypeUtils::ErrorType containedErrorTypes, const bool forceCommit,
+            const bool boostExactMatches) const = 0;
+    virtual void getMostProbableString(const DicTraverseSession *const traverseSession,
+            const float languageWeight, SuggestionResults *const outSuggestionResults) const = 0;
+    virtual float getAdjustedLanguageWeight(DicTraverseSession *const traverseSession,
+            DicNode *const terminals, const int size) const = 0;
+    virtual float getDoubleLetterDemotionDistanceCost(
+            const DicNode *const terminalDicNode) const = 0;
+    virtual bool autoCorrectsToMultiWordSuggestionIfTop() const = 0;
+    virtual bool sameAsTyped(const DicTraverseSession *const traverseSession,
+            const DicNode *const dicNode) const = 0;
+
+ protected:
+    Scoring() {}
+    virtual ~Scoring() {}
+
+ private:
+    DISALLOW_COPY_AND_ASSIGN(Scoring);
+};
+} // namespace latinime
+#endif // LATINIME_SCORING_H