Add spellcheck and word suggestion to the prediction service

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

+/*
+ * 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/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