mosesdecoder/moses/FF/SkeletonStatefulFF.h

58 lines
1.4 KiB
C++

#pragma once
#include <string>
#include "StatefulFeatureFunction.h"
#include "FFState.h"
namespace Moses
{
class SkeletonState : public FFState
{
int m_targetLen;
public:
SkeletonState(int targetLen)
:m_targetLen(targetLen)
{}
int Compare(const FFState& other) const;
};
class SkeletonStatefulFF : public StatefulFeatureFunction
{
public:
SkeletonStatefulFF(const std::string &line)
:StatefulFeatureFunction(3, line)
{}
bool IsUseable(const FactorMask &mask) const {
return true;
}
virtual const FFState* EmptyHypothesisState(const InputType &input) const {
return new SkeletonState(0);
}
void Evaluate(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const;
void Evaluate(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedFutureScore = NULL) const;
FFState* Evaluate(
const Hypothesis& cur_hypo,
const FFState* prev_state,
ScoreComponentCollection* accumulator) const;
FFState* EvaluateChart(
const ChartHypothesis& /* cur_hypo */,
int /* featureID - used to index the state in the previous hypotheses */,
ScoreComponentCollection* accumulator) const;
};
}