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#pragma once
#include <string>
#include <vector>
#include <set>
#include <iostream>
#include "StatefulFeatureFunction.h"
#include "FFState.h"
#include "util/exception.hh"
#include <stdint.h>
namespace Moses
{
class TargetConstituentAdjacencyFeatureState : public FFState
{
public:
friend class TargetConstituentAdjacencyFeature;
TargetConstituentAdjacencyFeatureState(bool recombine)
: m_recombine(recombine)
{};
size_t hash() const;
virtual bool operator==(const FFState& other) const;
private:
const bool m_recombine;
std::map<const Factor*, float> m_collection;
};
class TargetConstituentAdjacencyFeature : public StatefulFeatureFunction
{
public:
TargetConstituentAdjacencyFeature(const std::string &line);
~TargetConstituentAdjacencyFeature()
{};
bool IsUseable(const FactorMask &mask) const {
return true;
};
virtual const FFState* EmptyHypothesisState(const InputType &input) const {
return new TargetConstituentAdjacencyFeatureState(m_recombine);
};
void SetParameter(const std::string& key, const std::string& value);
void Load(AllOptions::ptr const& opts)
{};
void EvaluateInIsolation(const Phrase &source
, const TargetPhrase &targetPhrase
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection &estimatedFutureScore) const
{};
void EvaluateWithSourceContext(const InputType &input
, const InputPath &inputPath
, const TargetPhrase &targetPhrase
, const StackVec *stackVec
, ScoreComponentCollection &scoreBreakdown
, ScoreComponentCollection *estimatedFutureScore = NULL) const
{};
void EvaluateTranslationOptionListWithSourceContext(const InputType &input
, const TranslationOptionList &translationOptionList) const
{};
FFState* EvaluateWhenApplied(
const Hypothesis& cur_hypo,
const FFState* prev_state,
ScoreComponentCollection* accumulator) const;
FFState* EvaluateWhenApplied(
const ChartHypothesis& cur_hypo,
int featureID, // used to index the state in the previous hypotheses
ScoreComponentCollection* accumulator) const {
UTIL_THROW2(GetScoreProducerDescription() << ": feature currently not implemented for chart-based decoding.");
return new TargetConstituentAdjacencyFeatureState(m_recombine);
};
private:
size_t m_featureVariant;
bool m_recombine;
};
}
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