File size: 1,509 Bytes
158b61b |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 |
#pragma once
#include <string>
#include "VWFeatureBase.h"
#include "moses/InputType.h"
namespace Moses
{
// Inherit from this for source-dependent classifier features. They will
// automatically register with the classifier class named VW0 or one or more
// names specified by the used-by=name1,name2,... parameter.
//
// The classifier gets a full list by calling
// VWFeatureBase::GetSourceFeatures(GetScoreProducerDescription())
class VWFeatureSource : public VWFeatureBase
{
public:
VWFeatureSource(const std::string &line)
: VWFeatureBase(line, vwft_source) {
}
// Gets its pure virtual functions from VWFeatureBase
virtual void operator()(const InputType &input
, const TargetPhrase &targetPhrase
, Discriminative::Classifier &classifier
, Discriminative::FeatureVector &outFeatures) const {
}
virtual void operator()(const InputType &input
, const Phrase &contextPhrase
, const AlignmentInfo &alignmentInfo
, Discriminative::Classifier &classifier
, Discriminative::FeatureVector &outFeatures) const {
}
virtual void SetParameter(const std::string& key, const std::string& value) {
VWFeatureBase::SetParameter(key, value);
}
protected:
inline std::string GetWord(const InputType &input, size_t pos) const {
return input.GetWord(pos).GetString(m_sourceFactors, false);
}
};
}
|