sentencestats.cpp.svn-base

moses开源的机器翻译系统

// $Id$
// vim:tabstop=2

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh

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
***********************************************************************/

#include <iostream>
using std::cout;
using std::endl;
#include "SentenceStats.h"

/***
 * to be called after decoding a sentence
 */
void SentenceStats::CalcFinalStats(const Hypothesis& bestHypo)
{
	//deleted words
	AddDeletedWords(bestHypo);
	//inserted words--not implemented yet 8/1 TODO
}

void SentenceStats::AddDeletedWords(const Hypothesis& hypo)
{
	//don't check either a null pointer or the empty initial hypothesis (if we were given the empty hypo, the null check will save us)
	if(hypo.GetPrevHypo() != NULL && hypo.GetPrevHypo()->GetCurrSourceWordsRange().GetNumWordsCovered() > 0) AddDeletedWords(*hypo.GetPrevHypo());
	if(hypo.GetCurrTargetWordsRange().GetNumWordsCovered() == 0)
	{
		m_deletedWords.push_back(hypo.GetSourcePhrase());
	}
}