| #include <stdexcept> |
| #include "InputFeature.h" |
| #include "moses/Util.h" |
| #include "moses/ScoreComponentCollection.h" |
| #include "moses/InputPath.h" |
| #include "moses/StaticData.h" |
| #include "moses/TranslationModel/PhraseDictionaryTreeAdaptor.h" |
|
|
| using namespace std; |
|
|
| namespace Moses |
| { |
| InputFeature *InputFeature::s_instance = NULL; |
|
|
| InputFeature::InputFeature(const std::string &line) |
| : StatelessFeatureFunction(line,true) |
| , m_numRealWordCount(0) |
| { |
| m_numInputScores = this->m_numScoreComponents; |
| ReadParameters(); |
|
|
| UTIL_THROW_IF2(s_instance, "Can only have 1 input feature"); |
| s_instance = this; |
| } |
|
|
| void InputFeature::Load(AllOptions::ptr const& opts) |
| { |
| m_options = opts; |
| const PhraseDictionary *pt = PhraseDictionary::GetColl()[0]; |
| const PhraseDictionaryTreeAdaptor *ptBin = dynamic_cast<const PhraseDictionaryTreeAdaptor*>(pt); |
|
|
| m_legacy = (ptBin != NULL); |
| } |
|
|
| void InputFeature::SetParameter(const std::string& key, const std::string& value) |
| { |
| if (key == "num-input-features") { |
| m_numInputScores = Scan<size_t>(value); |
| } else if (key == "real-word-count") { |
| m_numRealWordCount = Scan<size_t>(value); |
| } else { |
| StatelessFeatureFunction::SetParameter(key, value); |
| } |
|
|
| } |
|
|
| void InputFeature::EvaluateWithSourceContext(const InputType &input |
| , const InputPath &inputPath |
| , const TargetPhrase &targetPhrase |
| , const StackVec *stackVec |
| , ScoreComponentCollection &scoreBreakdown |
| , ScoreComponentCollection *estimatedScores) const |
| { |
| if (m_legacy) { |
| |
| return; |
| } else if (input.GetType() == WordLatticeInput) { |
| const ScorePair *scores = inputPath.GetInputScore(); |
| if (scores) { |
| scoreBreakdown.PlusEquals(this, *scores); |
| } |
| } |
| } |
|
|
| } |
|
|
|
|
