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78 lines
2.2 KiB
C++
78 lines
2.2 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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#ifndef moses_GenerationDictionary_h
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#define moses_GenerationDictionary_h
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#include <list>
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#include <map>
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#include <stdexcept>
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#include <vector>
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#include "ScoreComponentCollection.h"
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#include "Phrase.h"
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#include "TypeDef.h"
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#include "DecodeFeature.h"
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namespace Moses
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{
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class FactorCollection;
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typedef std::map < Word , ScoreComponentCollection > OutputWordCollection;
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// 1st = output phrase
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// 2nd = log probability (score)
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/** Implementation of a generation table in a trie.
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*/
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class GenerationDictionary : public DecodeFeature
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{
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typedef std::map<const Word* , OutputWordCollection, WordComparer> Collection;
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protected:
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Collection m_collection;
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// 1st = source
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// 2nd = target
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std::string m_filePath;
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public:
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GenerationDictionary(const std::string &line);
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virtual ~GenerationDictionary();
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//! load data file
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bool Load(const std::string &filePath, FactorDirection direction);
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/** number of unique input entries in the generation table.
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* NOT the number of lines in the generation table
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*/
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size_t GetSize() const
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{
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return m_collection.size();
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}
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/** returns a bag of output words, OutputWordCollection, for a particular input word.
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* Or NULL if the input word isn't found. The search function used is the WordComparer functor
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*/
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const OutputWordCollection *FindWord(const Word &word) const;
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};
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}
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#endif
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