sentpair.cpp

解码器是基于短语的统计机器翻译系统的核心模块

/*
* SentPair.cpp  -  Chinese sentence and its English candidate translations
*
* Copyright (C) 2006 by Zhongjun He <[e-mail]> 
Multilingual Interaction Technology and Evaluation Laboratory, ICT, CAS

* Begin       : 04/13/2006
* Last Change : 04/13/2006
*
* This program 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 program 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/
#include "SentPair.h"

/************************************************************************/
/* construction function                                                */
/************************************************************************/
SentPair::SentPair(const string &s)
{
  istrstream buffer(s.c_str());
  string temp;
  while (buffer>>temp)
  {
	  ChineseWord.push_back(temp);
  }
}

/************************************************************************/
/* print translation options                                            */
/************************************************************************/
void SentPair::ShowTransOption(ostream &out)
{
	out << "<TransOption num=\"" << transoption.size() << "\">" << endl;
	map<pair<int,int>,TransMap>::iterator it;
	for (it=transoption.begin(); it!=transoption.end(); it++)
	{
		int beg = (*it).first.first, end = (*it).first.second;
		string s;
		for (int i=beg; i<=end; i++)
			s += ChineseWord[i];
		out << "<src phrase=\"" << s << "\" beg=\"" << beg << "\" end=\"" << end << "\">" << endl;

		TransMap::iterator it2;
		for (it2=(*it).second.begin(); it2!=(*it).second.end(); it2++)
		{
			out << "<trans lex=\"" << (*it2).first << "\"> ";
			for (int j=1; j<(int)(*it2).second.size(); j++)
			{
				if (j == (*it2).second.size()-1)
				    out << (*it2).second[j] << " ";
				else
					out << (*it2).second[j] << " | ";
			}
			out << "</trans>" << endl;
		}
		out << "</src>" << endl;
	}
	out << "</TransOption>" << endl;
}

/************************************************************************/
/*Print Future Cost                                                     */
/************************************************************************/
void SentPair::ShowFutureCost(ostream &out)
{
	out << "\n<FutureCost>" << endl;
	map<pair<int,int>,double >::iterator it;
	for (it=FutureCost.begin(); it!=FutureCost.end(); it++)
	{	
		out << "<cost beg=\"" << (*it).first.first << "\" end=\"" << (*it).first.second << "\"> ";
		out << (*it).second << "</cost>" << endl;
	}
	out << "</FutureCost>" << endl;
}