mosesdecoder/moses/SearchCubePruning.h
2013-09-25 16:57:01 +01:00

51 lines
1.7 KiB
C++

#ifndef moses_SearchCubePruning_h
#define moses_SearchCubePruning_h
#include <vector>
#include "Search.h"
#include "HypothesisStackCubePruning.h"
#include "SentenceStats.h"
namespace Moses
{
class InputType;
class TranslationOptionCollection;
/** Functions and variables you need to decoder an input using the phrase-based decoder with cube-pruning
* Instantiated by the Manager class
*/
class SearchCubePruning: 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
clock_t m_start; /**< used to track time spend on translation */
const TranslationOptionCollection &m_transOptColl; /**< pre-computed list of translation options for the phrases in this sentence */
//! go thru all bitmaps in 1 stack & create backpointers to bitmaps in the stack
void CreateForwardTodos(HypothesisStackCubePruning &stack);
//! create a back pointer to this bitmap, with edge that has this words range translation
void CreateForwardTodos(const WordsBitmap &bitmap, const WordsRange &range, BitmapContainer &bitmapContainer);
bool CheckDistortion(const WordsBitmap &bitmap, const WordsRange &range) const;
void PrintBitmapContainerGraph();
public:
SearchCubePruning(Manager& manager, const InputType &source, const TranslationOptionCollection &transOptColl);
~SearchCubePruning();
void ProcessSentence();
void OutputHypoStackSize();
void OutputHypoStack(int stack);
virtual const std::vector < HypothesisStack* >& GetHypothesisStacks() const;
virtual const Hypothesis *GetBestHypothesis() const;
};
}
#endif