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66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
/***********************************************************************
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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 "moses/TranslationModel/PhraseDictionary.h"
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#include "moses/InputType.h"
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#include "moses/NonTerminal.h"
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#include "PhraseDictionaryNodeSCFG.h"
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#include "Trie.h"
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namespace Moses
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{
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/** Implementation of a SCFG rule table in a trie. Looking up a rule of
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* length n symbols requires n look-ups to find the TargetPhraseCollection.
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*/
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class PhraseDictionarySCFG : public RuleTableTrie
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{
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friend std::ostream& operator<<(std::ostream&, const PhraseDictionarySCFG&);
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friend class RuleTableLoader;
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public:
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PhraseDictionarySCFG(size_t numScoreComponents,
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PhraseDictionaryFeature* feature)
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: RuleTableTrie(numScoreComponents, feature) {}
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const PhraseDictionaryNodeSCFG &GetRootNode() const { return m_collection; }
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ChartRuleLookupManager *CreateRuleLookupManager(
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const InputType &,
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const ChartCellCollectionBase &);
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TO_STRING();
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protected:
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TargetPhraseCollection &GetOrCreateTargetPhraseCollection(
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const Phrase &source, const TargetPhrase &target, const Word &sourceLHS);
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PhraseDictionaryNodeSCFG &GetOrCreateNode(const Phrase &source
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, const TargetPhrase &target
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, const Word &sourceLHS);
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void SortAndPrune();
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PhraseDictionaryNodeSCFG m_collection;
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};
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} // namespace Moses
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