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| #include <sstream> |
| #include "ExampleStatefulFF.h" |
| #include "../PhraseBased/Manager.h" |
| #include "../PhraseBased/Hypothesis.h" |
|
|
| using namespace std; |
|
|
| namespace Moses2 |
| { |
|
|
| class ExampleState: public FFState |
| { |
| public: |
| int targetLen; |
|
|
| ExampleState() { |
| |
| } |
|
|
| virtual size_t hash() const { |
| return (size_t) targetLen; |
| } |
| virtual bool operator==(const FFState& o) const { |
| const ExampleState& other = static_cast<const ExampleState&>(o); |
| return targetLen == other.targetLen; |
| } |
|
|
| virtual std::string ToString() const { |
| stringstream sb; |
| sb << targetLen; |
| return sb.str(); |
| } |
|
|
| }; |
|
|
| |
| ExampleStatefulFF::ExampleStatefulFF(size_t startInd, const std::string &line) : |
| StatefulFeatureFunction(startInd, line) |
| { |
| ReadParameters(); |
| } |
|
|
| ExampleStatefulFF::~ExampleStatefulFF() |
| { |
| |
| } |
|
|
| FFState* ExampleStatefulFF::BlankState(MemPool &pool, const System &sys) const |
| { |
| return new (pool.Allocate<ExampleState>()) ExampleState(); |
| } |
|
|
| void ExampleStatefulFF::EmptyHypothesisState(FFState &state, |
| const ManagerBase &mgr, const InputType &input, |
| const Hypothesis &hypo) const |
| { |
| ExampleState &stateCast = static_cast<ExampleState&>(state); |
| stateCast.targetLen = 0; |
| } |
|
|
| void ExampleStatefulFF::EvaluateInIsolation(MemPool &pool, |
| const System &system, const Phrase<Moses2::Word> &source, |
| const TargetPhraseImpl &targetPhrase, Scores &scores, |
| SCORE &estimatedScore) const |
| { |
| } |
|
|
| void ExampleStatefulFF::EvaluateInIsolation(MemPool &pool, const System &system, const Phrase<SCFG::Word> &source, |
| const TargetPhrase<SCFG::Word> &targetPhrase, Scores &scores, |
| SCORE &estimatedScore) const |
| { |
| } |
|
|
| void ExampleStatefulFF::EvaluateWhenApplied(const ManagerBase &mgr, |
| const Hypothesis &hypo, const FFState &prevState, Scores &scores, |
| FFState &state) const |
| { |
| ExampleState &stateCast = static_cast<ExampleState&>(state); |
| stateCast.targetLen = hypo.GetTargetPhrase().GetSize(); |
| } |
|
|
| void ExampleStatefulFF::EvaluateWhenApplied(const SCFG::Manager &mgr, |
| const SCFG::Hypothesis &hypo, int featureID, Scores &scores, |
| FFState &state) const |
| { |
| UTIL_THROW2("Not implemented"); |
| } |
|
|
| } |
|
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|
