1 /* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef LATINIME_EDIT_DISTANCE_POLICY_H 18 #define LATINIME_EDIT_DISTANCE_POLICY_H 19 20 #include "defines.h" 21 22 namespace latinime { 23 24 class EditDistancePolicy { 25 public: 26 virtual float getSubstitutionCost(const int index0, const int index1) const = 0; 27 virtual float getDeletionCost(const int index0, const int index1) const = 0; 28 virtual float getInsertionCost(const int index0, const int index1) const = 0; 29 virtual bool allowTransposition(const int index0, const int index1) const = 0; 30 virtual float getTranspositionCost(const int index0, const int index1) const = 0; 31 virtual int getString0Length() const = 0; 32 virtual int getString1Length() const = 0; 33 34 protected: 35 EditDistancePolicy() {} 36 virtual ~EditDistancePolicy() {} 37 38 private: 39 DISALLOW_COPY_AND_ASSIGN(EditDistancePolicy); 40 }; 41 } // namespace latinime 42 43 #endif // LATINIME_EDIT_DISTANCE_POLICY_H 44
