mosesdecoder/moses/SearchNormal.h

#ifndef moses_SearchNormal_h
#define moses_SearchNormal_h

#include <vector>
#include "Search.h"
#include "HypothesisStackNormal.h"
#include "TranslationOptionCollection.h"
#include "Timer.h"

namespace Moses
{

class Manager;
class InputType;
class TranslationOptionCollection;

/** Functions and variables you need to decoder an input using the phrase-based decoder (NO cube-pruning)
 *  Instantiated by the Manager class
 */
class SearchNormal: public Search
{
protected:
  const InputType &m_source;
  std::vector < HypothesisStack* > m_hypoStackColl; /**< stacks to store hypotheses (partial translations) */
  // no of elements = no of words in source + 1
  TargetPhrase m_initialTargetPhrase; /**< used to seed 1st hypo */
  clock_t m_start; /**< starting time, used for logging */
  size_t interrupted_flag; /**< flag indicating that decoder ran out of time (see switch -time-out) */
  HypothesisStackNormal* actual_hypoStack; /**actual (full expanded) stack of hypotheses*/
  const TranslationOptionCollection &m_transOptColl; /**< pre-computed list of translation options for the phrases in this sentence */

  // functions for creating hypotheses
  void ProcessOneHypothesis(const Hypothesis &hypothesis);
  void ExpandAllHypotheses(const Hypothesis &hypothesis, size_t startPos, size_t endPos);
  virtual void ExpandHypothesis(const Hypothesis &hypothesis,const TranslationOption &transOpt, float expectedScore);

public:
  SearchNormal(Manager& manager, const InputType &source, const TranslationOptionCollection &transOptColl);
  ~SearchNormal();

  void ProcessSentence();

  void OutputHypoStackSize();
  void OutputHypoStack(int stack);

  virtual const std::vector < HypothesisStack* >& GetHypothesisStacks() const;
  virtual const Hypothesis *GetBestHypothesis() const;
};

}

#endif