00001 #pragma once
00002
00003 #include <string>
00004 #include <boost/unordered_set.hpp>
00005
00006 #include "StatelessFeatureFunction.h"
00007 #include "moses/FactorCollection.h"
00008 #include "moses/AlignmentInfo.h"
00009
00010 namespace Moses
00011 {
00012
00015 class SourceWordDeletionFeature : public StatelessFeatureFunction
00016 {
00017 private:
00018 boost::unordered_set<std::string> m_vocab;
00019 FactorType m_factorType;
00020 bool m_unrestricted;
00021 std::string m_filename;
00022
00023 public:
00024 SourceWordDeletionFeature(const std::string &line);
00025
00026 void Load(AllOptions::ptr const& opts);
00027
00028 bool IsUseable(const FactorMask &mask) const;
00029
00030 void EvaluateInIsolation(const Phrase &source
00031 , const TargetPhrase &targetPhrase
00032 , ScoreComponentCollection &scoreBreakdown
00033 , ScoreComponentCollection &estimatedScores) const;
00034 void EvaluateWithSourceContext(const InputType &input
00035 , const InputPath &inputPath
00036 , const TargetPhrase &targetPhrase
00037 , const StackVec *stackVec
00038 , ScoreComponentCollection &scoreBreakdown
00039 , ScoreComponentCollection *estimatedScores = NULL) const {
00040 }
00041
00042 void EvaluateTranslationOptionListWithSourceContext(const InputType &input
00043 , const TranslationOptionList &translationOptionList) const {
00044 }
00045
00046
00047 void EvaluateWhenApplied(const Hypothesis& hypo,
00048 ScoreComponentCollection* accumulator) const {
00049 }
00050 void EvaluateWhenApplied(const ChartHypothesis &hypo,
00051 ScoreComponentCollection* accumulator) const {
00052 }
00053
00054 void ComputeFeatures(const Phrase &source,
00055 const TargetPhrase& targetPhrase,
00056 ScoreComponentCollection* accumulator,
00057 const AlignmentInfo &alignmentInfo) const;
00058 void SetParameter(const std::string& key, const std::string& value);
00059
00060 };
00061
00062 }
00063
