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https://github.com/moses-smt/mosesdecoder.git
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86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
#pragma once
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#include <string>
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#include "StatefulFeatureFunction.h"
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#include "FFState.h"
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namespace Moses
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{
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class ExampleState : public FFState
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{
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int m_targetLen;
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public:
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ExampleState(int targetLen)
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:m_targetLen(targetLen) {
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}
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virtual size_t hash() const {
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return (size_t) m_targetLen;
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}
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virtual bool operator==(const FFState& o) const {
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const ExampleState& other = static_cast<const ExampleState&>(o);
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return m_targetLen == other.m_targetLen;
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}
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};
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class ExampleStatefulFF : public StatefulFeatureFunction
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{
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public:
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ExampleStatefulFF(const std::string &line);
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bool IsUseable(const FactorMask &mask) const {
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return true;
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}
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virtual const FFState* EmptyHypothesisState(const InputType &input) const {
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return new ExampleState(0);
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}
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// An empty implementation of this function is provided by StatefulFeatureFunction.
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// Unless you are actually implementing this, please remove this declaration here
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// and the empty skeleton implementation from the corresponding .cpp
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// file to reduce code clutter.
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void
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EvaluateInIsolation(const Phrase &source
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, const TargetPhrase &targetPhrase
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection &estimatedScores) const;
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// An empty implementation of this function is provided by StatefulFeatureFunction.
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// Unless you are actually implementing this, please remove this declaration here
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// and the empty skeleton implementation from the corresponding .cpp
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// file to reduce code clutter.
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void
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EvaluateWithSourceContext(const InputType &input
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, const InputPath &inputPath
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, const TargetPhrase &targetPhrase
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, const StackVec *stackVec
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, ScoreComponentCollection &scoreBreakdown
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, ScoreComponentCollection *estimatedScores = NULL) const;
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// An empty implementation of this function is provided by StatefulFeatureFunction.
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// Unless you are actually implementing this, please remove this declaration here
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// and the empty skeleton implementation from the corresponding .cpp
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// file to reduce code clutter.
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void
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EvaluateTranslationOptionListWithSourceContext
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( const InputType &input , const TranslationOptionList &translationOptionList) const;
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FFState* EvaluateWhenApplied(
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const Hypothesis& cur_hypo,
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const FFState* prev_state,
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ScoreComponentCollection* accumulator) const;
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FFState* EvaluateWhenApplied(
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const ChartHypothesis& /* cur_hypo */,
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int /* featureID - used to index the state in the previous hypotheses */,
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ScoreComponentCollection* accumulator) const;
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void SetParameter(const std::string& key, const std::string& value);
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};
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}
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