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https://github.com/moses-smt/mosesdecoder.git
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98 lines
3.3 KiB
C++
98 lines
3.3 KiB
C++
// vim:tabstop=2
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/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2010 Hieu Hoang
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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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#include "PhraseDictionaryOnDisk.h"
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#include "moses/InputFileStream.h"
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#include "moses/StaticData.h"
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#include "moses/TargetPhraseCollection.h"
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#include "moses/TranslationModel/CYKPlusParser/DotChartOnDisk.h"
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#include "moses/TranslationModel/CYKPlusParser/ChartRuleLookupManagerOnDisk.h"
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using namespace std;
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namespace Moses
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{
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PhraseDictionaryOnDisk::~PhraseDictionaryOnDisk()
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{
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}
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bool PhraseDictionaryOnDisk::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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, const WordPenaltyProducer* wpProducer)
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{
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PrintUserTime("Start loading binary SCFG phrase table. ");
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m_languageModels = &(languageModels);
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m_wpProducer = wpProducer;
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m_filePath = filePath;
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m_tableLimit = tableLimit;
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m_inputFactorsVec = input;
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m_outputFactorsVec = output;
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LoadTargetLookup();
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if (!m_dbWrapper.BeginLoad(filePath))
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return false;
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CHECK(m_dbWrapper.GetMisc("Version") == OnDiskPt::OnDiskWrapper::VERSION_NUM);
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CHECK(m_dbWrapper.GetMisc("NumSourceFactors") == input.size());
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CHECK(m_dbWrapper.GetMisc("NumTargetFactors") == output.size());
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CHECK(m_dbWrapper.GetMisc("NumScores") == weight.size());
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return true;
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}
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// PhraseDictionary impl
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//! find list of translations that can translates src. Only for phrase input
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const TargetPhraseCollection *PhraseDictionaryOnDisk::GetTargetPhraseCollection(const Phrase& /* src */) const
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{
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CHECK(false);
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return NULL;
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}
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void PhraseDictionaryOnDisk::InitializeForInput(const InputType& /* input */)
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{
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// Nothing to do: sentence-specific state is stored in ChartRuleLookupManager
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}
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void PhraseDictionaryOnDisk::LoadTargetLookup()
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{
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// TODO
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}
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ChartRuleLookupManager *PhraseDictionaryOnDisk::CreateRuleLookupManager(
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const InputType &sentence,
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const ChartCellCollectionBase &cellCollection)
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{
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return new ChartRuleLookupManagerOnDisk(sentence, cellCollection, *this,
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m_dbWrapper, m_languageModels,
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m_wpProducer, m_inputFactorsVec,
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m_outputFactorsVec, m_filePath);
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}
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}
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