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#ifndef moses_PhraseLengthFeature_h
#define moses_PhraseLengthFeature_h
#include <stdexcept>
#include <string>
#include <map>
#include "StatelessFeatureFunction.h"
#include "moses/Word.h"
#include "moses/FactorCollection.h"
namespace Moses
{
/** Sets the features for length of source phrase, target phrase, both.
*/
class PhraseLengthFeature : public StatelessFeatureFunction
{
public:
PhraseLengthFeature(const std::string &line);
bool IsUseable(const FactorMask &mask) const {
return true;
}
void EvaluateWhenApplied(const Hypothesis& hypo,
ScoreComponentCollection* accumulator) const {
}
void EvaluateWhenApplied(const ChartHypothesis& hypo,
ScoreComponentCollection*) const {
}
void EvaluateWithSourceContext(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, const StackVec *stackVec
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedScore = NULL) const {
}
void EvaluateTranslationOptionListWithSourceContext(const InputType &input
, const TranslationOptionList &translationOptionList) const {
}
virtual void EvaluateInIsolation(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedScore) const;
};
}
#endif // moses_PhraseLengthFeature_h
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