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_WEIGHTING_H 18 #define LATINIME_WEIGHTING_H 19 20 #include "defines.h" 21 22 namespace latinime { 23 24 class DicNode; 25 class DicTraverseSession; 26 struct DicNode_InputStateG; 27 class MultiBigramMap; 28 29 class Weighting { 30 public: 31 static void addCostAndForwardInputIndex(const Weighting *const weighting, 32 const CorrectionType correctionType, 33 const DicTraverseSession *const traverseSession, 34 const DicNode *const parentDicNode, DicNode *const dicNode, 35 MultiBigramMap *const multiBigramMap); 36 37 protected: 38 virtual float getTerminalSpatialCost(const DicTraverseSession *const traverseSession, 39 const DicNode *const dicNode) const = 0; 40 41 virtual float getOmissionCost( 42 const DicNode *const parentDicNode, const DicNode *const dicNode) const = 0; 43 44 virtual float getMatchedCost( 45 const DicTraverseSession *const traverseSession, const DicNode *const dicNode, 46 DicNode_InputStateG *inputStateG) const = 0; 47 48 virtual bool isProximityDicNode(const DicTraverseSession *const traverseSession, 49 const DicNode *const dicNode) const = 0; 50 51 virtual float getTranspositionCost( 52 const DicTraverseSession *const traverseSession, const DicNode *const parentDicNode, 53 const DicNode *const dicNode) const = 0; 54 55 virtual float getInsertionCost( 56 const DicTraverseSession *const traverseSession, 57 const DicNode *const parentDicNode, const DicNode *const dicNode) const = 0; 58 59 virtual float getNewWordCost(const DicTraverseSession *const traverseSession, 60 const DicNode *const dicNode) const = 0; 61 62 virtual float getNewWordBigramCost( 63 const DicTraverseSession *const traverseSession, const DicNode *const dicNode, 64 MultiBigramMap *const multiBigramMap) const = 0; 65 66 virtual float getCompletionCost( 67 const DicTraverseSession *const traverseSession, 68 const DicNode *const dicNode) const = 0; 69 70 virtual float getTerminalLanguageCost( 71 const DicTraverseSession *const traverseSession, const DicNode *const dicNode, 72 float dicNodeLanguageImprobability) const = 0; 73 74 virtual bool needsToNormalizeCompoundDistance() const = 0; 75 76 virtual float getAdditionalProximityCost() const = 0; 77 78 virtual float getSubstitutionCost() const = 0; 79 80 virtual float getSpaceSubstitutionCost(const DicTraverseSession *const traverseSession, 81 const DicNode *const dicNode) const = 0; 82 83 virtual ErrorType getErrorType(const CorrectionType correctionType, 84 const DicTraverseSession *const traverseSession, 85 const DicNode *const parentDicNode, const DicNode *const dicNode) const = 0; 86 87 Weighting() {} 88 virtual ~Weighting() {} 89 90 private: 91 DISALLOW_COPY_AND_ASSIGN(Weighting); 92 93 static float getSpatialCost(const Weighting *const weighting, 94 const CorrectionType correctionType, const DicTraverseSession *const traverseSession, 95 const DicNode *const parentDicNode, const DicNode *const dicNode, 96 DicNode_InputStateG *const inputStateG); 97 static float getLanguageCost(const Weighting *const weighting, 98 const CorrectionType correctionType, const DicTraverseSession *const traverseSession, 99 const DicNode *const parentDicNode, const DicNode *const dicNode, 100 MultiBigramMap *const multiBigramMap); 101 // TODO: Move to TypingWeighting and GestureWeighting? 102 static int getForwardInputCount(const CorrectionType correctionType); 103 }; 104 } // namespace latinime 105 #endif // LATINIME_WEIGHTING_H 106
