moses2/SCFG/InputPath.h


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/*
 * InputPath.h
 *
 *  Created on: 23 Oct 2015
 *      Author: hieu
 */

#pragma once

#include <iostream>
#include <list>
#include <boost/unordered_map.hpp>
#include "../InputPathBase.h"
#include "../MemPoolAllocator.h"
#include "TargetPhrases.h"
#include "ActiveChart.h"
#include "Word.h"

namespace Moses2
{
namespace SCFG
{
class TargetPhrases;
class TargetPhraseImpl;


////////////////////////////////////////////////////////////////////////////
class InputPath: public InputPathBase
{
public:
  typedef std::pair<SymbolBind, const SCFG::TargetPhrases*> Element;
  typedef std::list<Element, MemPoolAllocator<Element> > Coll;
  Coll targetPhrases;

  SubPhrase<SCFG::Word> subPhrase;

  InputPath(MemPool &pool, const SubPhrase<SCFG::Word> &subPhrase, const Range &range,
            size_t numPt, const InputPath *prefixPath);
  virtual ~InputPath();

  const ActiveChart &GetActiveChart(size_t ptInd) const {
    return m_activeChart[ptInd];
  }

  void AddActiveChartEntry(size_t ptInd, ActiveChartEntry *chartEntry);

  void AddTargetPhrasesToPath(
    MemPool &pool,
    const System &system,
    const PhraseTable &pt,
    const SCFG::TargetPhrases &tps,
    const SCFG::SymbolBind &symbolBind);

  size_t GetNumRules() const;

  std::string Debug(const System &system) const;

protected:
  ActiveChart *m_activeChart;
};

}
}