mosesdecoder/moses/TranslationModel/SkeletonPT.cpp

// vim:tabstop=2
#include "SkeletonPT.h"
#include "moses/TranslationModel/CYKPlusParser/ChartRuleLookupManagerSkeleton.h"

using namespace std;

namespace Moses
{
SkeletonPT::SkeletonPT(const std::string &line)
  : PhraseDictionary(line)
{
  ReadParameters();
}

void SkeletonPT::CleanUpAfterSentenceProcessing(const InputType& source)
{
  RemoveAllInColl(m_allTPColl);
}

void SkeletonPT::GetTargetPhraseCollectionBatch(const InputPathList &inputPathQueue) const
{
  InputPathList::const_iterator iter;
  for (iter = inputPathQueue.begin(); iter != inputPathQueue.end(); ++iter) {
    InputPath &inputPath = **iter;

    TargetPhrase *tp = CreateTargetPhrase(inputPath.GetPhrase());
    TargetPhraseCollection *tpColl = new TargetPhraseCollection();
    tpColl->Add(tp);

    m_allTPColl.push_back(tpColl);
    inputPath.SetTargetPhrases(*this, tpColl, NULL);
  }
}

TargetPhrase *SkeletonPT::CreateTargetPhrase(const Phrase &sourcePhrase) const
{
  // create a target phrase from the 1st word of the source, prefix with 'SkeletonPT:'
  assert(sourcePhrase.GetSize());
  assert(m_output.size() == 1);

  string str = sourcePhrase.GetWord(0).GetFactor(0)->GetString().as_string();
  str = "SkeletonPT:" + str;

  TargetPhrase *tp = new TargetPhrase();
  Word &word = tp->AddWord();
  word.CreateFromString(Output, m_output, str, false);

  // score for this phrase table
  vector<float> scores(m_numScoreComponents, 1.3);
  tp->GetScoreBreakdown().PlusEquals(this, scores);

  // score of all other ff when this rule is being loaded
  tp->Evaluate(sourcePhrase, GetFeaturesToApply());

  return tp;
}

ChartRuleLookupManager* SkeletonPT::CreateRuleLookupManager(const ChartParser &parser,
    const ChartCellCollectionBase &cellCollection)
{
  return new ChartRuleLookupManagerSkeleton(parser, cellCollection, *this);
}

TO_STRING_BODY(SkeletonPT);

// friend
ostream& operator<<(ostream& out, const SkeletonPT& phraseDict)
{
  return out;
}

}