mosesdecoder/moses/SearchNormal.h
2014-12-26 13:11:52 +05:30

51 lines
1.6 KiB
C++

#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
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 Decode();
void OutputHypoStackSize();
void OutputHypoStack();
virtual const std::vector < HypothesisStack* >& GetHypothesisStacks() const;
virtual const Hypothesis *GetBestHypothesis() const;
};
}
#endif