mirror of
https://github.com/moses-smt/mosesdecoder.git
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a0b6abdfd3
git-svn-id: https://mosesdecoder.svn.sourceforge.net/svnroot/mosesdecoder/trunk@3901 1f5c12ca-751b-0410-a591-d2e778427230
93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2011 University of Edinburgh
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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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#ifndef moses_OutputCollector_h
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#define moses_OutputCollector_h
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#ifdef WITH_THREADS
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#include <boost/thread/mutex.hpp>
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#endif
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#ifdef BOOST_HAS_PTHREADS
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#include <pthread.h>
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#endif
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#include <iostream>
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#include <map>
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#include <ostream>
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#include <string>
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namespace Moses
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{
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/**
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* Makes sure output goes in the correct order.
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**/
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class OutputCollector
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{
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public:
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OutputCollector(std::ostream* outStream= &std::cout, std::ostream* debugStream=&std::cerr) :
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m_nextOutput(0),m_outStream(outStream),m_debugStream(debugStream) {}
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/**
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* Write or cache the output, as appropriate.
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**/
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void Write(int sourceId,const std::string& output,const std::string& debug="") {
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#ifdef WITH_THREADS
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boost::mutex::scoped_lock lock(m_mutex);
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#endif
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if (sourceId == m_nextOutput) {
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//This is the one we were expecting
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*m_outStream << output << std::flush;
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*m_debugStream << debug << std::flush;
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++m_nextOutput;
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//see if there's any more
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std::map<int,std::string>::iterator iter;
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while ((iter = m_outputs.find(m_nextOutput)) != m_outputs.end()) {
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*m_outStream << iter->second << std::flush;
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m_outputs.erase(iter);
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++m_nextOutput;
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std::map<int,std::string>::iterator debugIter = m_debugs.find(iter->first);
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if (debugIter != m_debugs.end()) {
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*m_debugStream << debugIter->second << std::flush;
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m_debugs.erase(debugIter);
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}
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}
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} else {
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//save for later
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m_outputs[sourceId] = output;
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m_debugs[sourceId] = debug;
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}
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}
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private:
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std::map<int,std::string> m_outputs;
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std::map<int,std::string> m_debugs;
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int m_nextOutput;
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std::ostream* m_outStream;
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std::ostream* m_debugStream;
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#ifdef WITH_THREADS
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boost::mutex m_mutex;
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#endif
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};
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} // namespace Moses
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#endif
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