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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
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/***********************************************************************
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Moses - statistical machine translation system
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Copyright (C) 2006-2011 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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#include "AlignmentInfo.h"
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#include <set>
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namespace Moses
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{
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// Singleton collection of all AlignmentInfo objects.
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class AlignmentInfoCollection
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{
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public:
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static AlignmentInfoCollection &Instance() { return s_instance; }
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// Returns a pointer to an AlignmentInfo object with the same source-target
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// alignment pairs as given in the argument. If the collection already
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// contains such an object then returns a pointer to it; otherwise a new
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// one is inserted.
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const AlignmentInfo *Add(const std::set<std::pair<size_t,size_t> > &);
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// Returns a pointer to an empty AlignmentInfo object.
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const AlignmentInfo &GetEmptyAlignmentInfo() const;
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private:
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typedef std::set<AlignmentInfo, AlignmentInfoOrderer> AlignmentInfoSet;
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// Only a single static variable should be created.
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AlignmentInfoCollection();
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static AlignmentInfoCollection s_instance;
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AlignmentInfoSet m_collection;
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const AlignmentInfo *m_emptyAlignmentInfo;
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};
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}
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