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https://github.com/moses-smt/mosesdecoder.git
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51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
#pragma once
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#include <string>
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#include <vector>
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#include "moses/Factor.h"
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#include "moses/Util.h"
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#include "SingleFactor.h"
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#include "moses/TranslationModel/DynSAInclude/onlineRLM.h"
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//#include "multiOnlineRLM.h"
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#include "moses/TranslationModel/DynSAInclude/FileHandler.h"
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#include "moses/TranslationModel/DynSAInclude/vocab.h"
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namespace Moses
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{
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class Factor;
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class Phrase;
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/** @todo ask ollie
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*/
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class LanguageModelORLM : public LanguageModelSingleFactor {
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public:
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typedef count_t T; // type for ORLM filter
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LanguageModelORLM(const std::string &line)
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:LanguageModelSingleFactor("ORLM", line)
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,m_lm(0)
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{}
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bool Load(const std::string &filePath, FactorType factorType, size_t nGramOrder);
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virtual LMResult GetValue(const std::vector<const Word*> &contextFactor, State* finalState = NULL) const;
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~LanguageModelORLM() {
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//save LM with markings
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Utils::rtrim(m_filePath, ".gz");
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FileHandler fout(m_filePath + ".marked.gz", std::ios::out|std::ios::binary, false);
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m_lm->save(&fout);
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fout.close();
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delete m_lm;
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}
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void CleanUpAfterSentenceProcessing() {m_lm->clearCache();} // clear caches
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bool UpdateORLM(const std::vector<string>& ngram, const int value);
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protected:
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OnlineRLM<T>* m_lm;
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//MultiOnlineRLM<T>* m_lm;
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wordID_t m_oov_id;
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std::vector<wordID_t> lm_ids_vec_;
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void CreateFactors();
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wordID_t GetLmID(const std::string &str) const;
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wordID_t GetLmID(const Factor *factor) const;
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};
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} // end namespace
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