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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 <vector>
#include "Phrase.h"
namespace Moses
{
class ScoreComponentCollection;
class ChartHypothesis;
class ChartTrellisNode
{
friend std::ostream& operator<<(std::ostream&, const ChartTrellisNode&);
public:
typedef std::vector<ChartTrellisNode*> NodeChildren;
protected:
const ChartHypothesis *m_hypo;
NodeChildren m_edge;
public:
ChartTrellisNode(const ChartHypothesis *hypo);
ChartTrellisNode(const ChartTrellisNode &origNode
, const ChartTrellisNode &soughtNode
, const ChartHypothesis &replacementHypo
, ScoreComponentCollection &scoreChange
, const ChartTrellisNode *&nodeChanged);
~ChartTrellisNode();
const ChartHypothesis &GetHypothesis() const {
return *m_hypo;
}
const NodeChildren &GetChildren() const {
return m_edge;
}
const ChartTrellisNode &GetChild(size_t ind) const {
return *m_edge[ind];
}
Phrase GetOutputPhrase() const;
};
}
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