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https://github.com/moses-smt/mosesdecoder.git
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99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
// $Id$
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2006 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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#include <boost/version.hpp>
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#ifdef WITH_THREADS
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#include <boost/thread/locks.hpp>
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#endif
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#include <ostream>
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#include <string>
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#include "FactorCollection.h"
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#include "Util.h"
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using namespace std;
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namespace Moses
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{
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FactorCollection FactorCollection::s_instance;
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const Factor *FactorCollection::AddFactor(const StringPiece &factorString)
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{
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// Sorry this is so complicated. Can't we just require everybody to use Boost >= 1.42? The issue is that I can't check BOOST_VERSION unless we have Boost.
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#ifdef WITH_THREADS
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#if BOOST_VERSION < 104200
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FactorFriend to_ins;
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to_ins.in.m_string.assign(factorString.data(), factorString.size());
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#endif // BOOST_VERSION
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{ // read=lock scope
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boost::shared_lock<boost::shared_mutex> read_lock(m_accessLock);
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#if BOOST_VERSION >= 104200
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// If this line doesn't compile, upgrade your Boost.
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Set::const_iterator i = m_set.find(factorString, HashFactor(), EqualsFactor());
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#else // BOOST_VERSION
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Set::const_iterator i = m_set.find(to_ins);
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#endif // BOOST_VERSION
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if (i != m_set.end()) return &i->in;
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}
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boost::unique_lock<boost::shared_mutex> lock(m_accessLock);
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#if BOOST_VERSION >= 104200
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FactorFriend to_ins;
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to_ins.in.m_string.assign(factorString.data(), factorString.size());
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#endif // BOOST_VERSION
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#else // WITH_THREADS
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#if BOOST_VERSION >= 104200
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Set::const_iterator i = m_set.find(factorString, HashFactor(), EqualsFactor());
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if (i != m_set.end()) return &i->in;
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#endif
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FactorFriend to_ins;
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to_ins.in.m_string.assign(factorString.data(), factorString.size());
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#endif // WITH_THREADS
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to_ins.in.m_id = m_factorId;
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std::pair<Set::iterator, bool> ret(m_set.insert(to_ins));
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if (ret.second) {
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m_factorId++;
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}
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return &ret.first->in;
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}
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FactorCollection::~FactorCollection() {}
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TO_STRING_BODY(FactorCollection);
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// friend
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ostream& operator<<(ostream& out, const FactorCollection& factorCollection)
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{
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#ifdef WITH_THREADS
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boost::shared_lock<boost::shared_mutex> lock(factorCollection.m_accessLock);
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#endif
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for (FactorCollection::Set::const_iterator i = factorCollection.m_set.begin(); i != factorCollection.m_set.end(); ++i) {
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out << i->in;
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}
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return out;
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}
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}
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