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81 lines
2.3 KiB
C++
81 lines
2.3 KiB
C++
// $Id$
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// vim:tabstop=2
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2010 Hieu Hoang
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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***********************************************************************/
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#pragma once
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#include "ScoreComponentCollection.h"
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#include "Phrase.h"
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#include <boost/shared_ptr.hpp>
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namespace Moses
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{
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class ChartHypothesis;
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class ChartTrellisDetour;
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class ChartTrellisDetourQueue;
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class ChartTrellisNode;
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/** 1 path through the output hypergraph
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* The class hold the final node in the path used for constructing n-best list in chart decoding.
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* Each node hold it's own children.
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* Also contains the total score and score breakdown for this path.
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*/
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class ChartTrellisPath
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{
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public:
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ChartTrellisPath(const ChartHypothesis &hypo);
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ChartTrellisPath(const ChartTrellisDetour &detour);
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~ChartTrellisPath();
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const ChartTrellisNode &GetFinalNode() const {
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return *m_finalNode;
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}
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const ChartTrellisNode *GetDeviationPoint() const {
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return m_deviationPoint;
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}
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//! get score for this path throught trellis
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float GetTotalScore() const {
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return m_totalScore;
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}
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Phrase GetOutputPhrase() const;
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/** returns detailed component scores */
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const ScoreComponentCollection &GetScoreBreakdown() const {
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return m_scoreBreakdown;
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}
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private:
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ChartTrellisPath(const ChartTrellisPath &); // Not implemented
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ChartTrellisPath &operator=(const ChartTrellisPath &); // Not implemented
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ChartTrellisNode *m_finalNode;
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ChartTrellisNode *m_deviationPoint;
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ScoreComponentCollection m_scoreBreakdown;
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float m_totalScore;
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};
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} // namespace Moses
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