00001 // $Id$ 00002 // vim:tabstop=2 00003 /*********************************************************************** 00004 Moses - factored phrase-based language decoder 00005 Copyright (C) 2010 Hieu Hoang 00006 00007 This library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Lesser General Public 00009 License as published by the Free Software Foundation; either 00010 version 2.1 of the License, or (at your option) any later version. 00011 00012 This library is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 Lesser General Public License for more details. 00016 00017 You should have received a copy of the GNU Lesser General Public 00018 License along with this library; if not, write to the Free Software 00019 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00020 ***********************************************************************/ 00021 00022 #include "ChartTrellisPath.h" 00023 00024 #include "ChartHypothesis.h" 00025 #include "ChartTrellisDetour.h" 00026 #include "ChartTrellisDetourQueue.h" 00027 #include "ChartTrellisNode.h" 00028 00029 namespace Moses 00030 { 00031 00032 ChartTrellisPath::ChartTrellisPath(const ChartHypothesis &hypo) 00033 : m_finalNode(new ChartTrellisNode(hypo)) 00034 , m_deviationPoint(NULL) 00035 , m_scoreBreakdown(hypo.GetScoreBreakdown()) 00036 , m_totalScore(hypo.GetTotalScore()) 00037 { 00038 } 00039 00040 ChartTrellisPath::ChartTrellisPath(const ChartTrellisDetour &detour) 00041 : m_finalNode(new ChartTrellisNode(detour, m_deviationPoint)) 00042 , m_scoreBreakdown(detour.GetBasePath().m_scoreBreakdown) 00043 , m_totalScore(0) 00044 { 00045 CHECK(m_deviationPoint); 00046 ScoreComponentCollection scoreChange; 00047 scoreChange = detour.GetReplacementHypo().GetScoreBreakdown(); 00048 scoreChange.MinusEquals(detour.GetSubstitutedNode().GetHypothesis().GetScoreBreakdown()); 00049 m_scoreBreakdown.PlusEquals(scoreChange); 00050 m_totalScore = m_scoreBreakdown.GetWeightedScore(); 00051 } 00052 00053 ChartTrellisPath::~ChartTrellisPath() 00054 { 00055 delete m_finalNode; 00056 } 00057 00058 Phrase ChartTrellisPath::GetOutputPhrase() const 00059 { 00060 Phrase ret = GetFinalNode().GetOutputPhrase(); 00061 return ret; 00062 } 00063 00064 } // namespace Moses