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78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
// $Id$
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// vim:tabstop=2
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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_PhraseDictionaryMemory_h
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#define moses_PhraseDictionaryMemory_h
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#include "moses/TranslationModel/PhraseDictionary.h"
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#include "moses/TranslationModel/PhraseDictionaryNode.h"
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namespace Moses
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{
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/*** Implementation of a phrase table in a trie. Looking up a phrase of
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* length n words requires n look-ups to find the TargetPhraseCollection.
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*/
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class PhraseDictionaryMemory : public PhraseDictionary
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{
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typedef PhraseDictionary MyBase;
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friend std::ostream& operator<<(std::ostream&, const PhraseDictionaryMemory&);
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protected:
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PhraseDictionaryNode m_collection;
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TargetPhraseCollection *CreateTargetPhraseCollection(const Phrase &source);
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public:
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PhraseDictionaryMemory(size_t numScoreComponent, PhraseDictionaryFeature* feature)
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: PhraseDictionary(numScoreComponent,feature) {}
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virtual ~PhraseDictionaryMemory();
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bool Load(const std::vector<FactorType> &input
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, const std::vector<FactorType> &output
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, const std::string &filePath
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, const std::vector<float> &weight
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, size_t tableLimit
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, const LMList &languageModels
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, float weightWP);
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const TargetPhraseCollection *GetTargetPhraseCollection(const Phrase &source) const;
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// for mert
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virtual void InitializeForInput(InputType const&) {
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/* Don't do anything source specific here as this object is shared between threads.*/
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}
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virtual ChartRuleLookupManager *CreateRuleLookupManager(
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const InputType &,
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const ChartCellCollectionBase &) {
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CHECK(false);
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return 0;
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}
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TO_STRING();
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};
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}
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#endif
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