src/ff_csplit.h


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#ifndef _FF_CSPLIT_H_
#define _FF_CSPLIT_H_

#include <boost/shared_ptr.hpp>

#include "ff.h"

class BasicCSplitFeaturesImpl;
class BasicCSplitFeatures : public FeatureFunction {
 public:
  BasicCSplitFeatures(const std::string& param);
 protected:
  virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
                                     const Hypergraph::Edge& edge,
                                     const std::vector<const void*>& ant_contexts,
                                     SparseVector<double>* features,
                                     SparseVector<double>* estimated_features,
                                     void* out_context) const;
 private:
  boost::shared_ptr<BasicCSplitFeaturesImpl> pimpl_;
};

class ReverseCharLMCSplitFeatureImpl;
class ReverseCharLMCSplitFeature : public FeatureFunction {
 public:
  ReverseCharLMCSplitFeature(const std::string& param);
 protected:
  virtual void TraversalFeaturesImpl(const SentenceMetadata& smeta,
                                     const Hypergraph::Edge& edge,
                                     const std::vector<const void*>& ant_contexts,
                                     SparseVector<double>* features,
                                     SparseVector<double>* estimated_features,
                                     void* out_context) const;
 private:
  boost::shared_ptr<ReverseCharLMCSplitFeatureImpl> pimpl_;
  const int fid_;
};

#endif