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// $Id$
// vim:tabstop=2
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2010 Hieu Hoang
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#pragma once
#include <iostream>
#include <queue>
#include <map>
#include <vector>
#include "Word.h"
#include "WordsRange.h"
#include "NonTerminal.h"
#include "ChartHypothesis.h"
#include "ChartHypothesisCollection.h"
#include "RuleCube.h"
#include "ChartCellLabelSet.h"
namespace Moses
{
class ChartTranslationOptionList;
class ChartTranslationOptionCollection;
class ChartCellCollection;
class ChartManager;
class ChartCell
{
friend std::ostream& operator<<(std::ostream&, const ChartCell&);
public:
protected:
std::map<Word, ChartHypothesisCollection> m_hypoColl;
WordsRange m_coverage;
ChartCellLabel *m_sourceWordLabel;
ChartCellLabelSet m_targetLabelSet;
bool m_nBestIsEnabled; /**< flag to determine whether to keep track of old arcs */
ChartManager &m_manager;
public:
ChartCell(size_t startPos, size_t endPos, ChartManager &manager);
~ChartCell();
void ProcessSentence(const ChartTranslationOptionList &transOptList
,const ChartCellCollection &allChartCells);
const HypoList &GetSortedHypotheses(const Word &constituentLabel) const;
bool AddHypothesis(ChartHypothesis *hypo);
void SortHypotheses();
void PruneToSize();
const ChartHypothesis *GetBestHypothesis() const;
const ChartCellLabel &GetSourceWordLabel() const {
CHECK(m_coverage.GetNumWordsCovered() == 1);
return *m_sourceWordLabel;
}
const ChartCellLabelSet &GetTargetLabelSet() const {
return m_targetLabelSet;
}
void CleanupArcList();
void OutputSizes(std::ostream &out) const;
size_t GetSize() const;
//! transitive comparison used for adding objects into set
inline bool operator<(const ChartCell &compare) const {
return m_coverage < compare.m_coverage;
}
void GetSearchGraph(long translationId, std::ostream &outputSearchGraphStream, const std::map<unsigned,bool> &reachable) const;
};
}
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