mirror of
https://github.com/moses-smt/mosesdecoder.git
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228 lines
7.0 KiB
C++
228 lines
7.0 KiB
C++
// -*- c++ -*-
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// $Id$
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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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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the University of Edinburgh nor the names of its contributors
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may be used to endorse or promote products derived from this software
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without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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***********************************************************************/
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// example file on how to use moses library
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#pragma once
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#ifdef WITH_THREADS
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#include <boost/thread.hpp>
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#endif
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#include <cassert>
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#include <fstream>
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#include <ostream>
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#include <vector>
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#include <list>
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#include <iomanip>
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#include "moses/TypeDef.h"
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#include "moses/Sentence.h"
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#include "moses/TabbedSentence.h"
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#include "moses/FactorTypeSet.h"
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#include "moses/FactorCollection.h"
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#include "moses/Hypothesis.h"
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#include "moses/OutputCollector.h"
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#include "moses/TrellisPathList.h"
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#include "moses/InputFileStream.h"
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#include "moses/InputType.h"
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#include "moses/WordLattice.h"
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#include "moses/LatticeMBR.h"
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#include "moses/ChartKBestExtractor.h"
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#include "moses/Syntax/KBestExtractor.h"
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#include "search/applied.hh"
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#include <boost/format.hpp>
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namespace Moses
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{
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class ScoreComponentCollection;
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class Hypothesis;
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class ChartHypothesis;
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class Factor;
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class TranslationTask;
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namespace Syntax
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{
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struct SHyperedge;
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}
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/** Helper class that holds misc variables to write data out to command line.
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*/
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class IOWrapper
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{
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protected:
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const std::vector<Moses::FactorType> *m_inputFactorOrder;
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std::string m_inputFilePath;
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Moses::InputFileStream *m_inputFile;
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std::istream *m_inputStream;
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std::ostream *m_nBestStream;
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std::ostream *m_outputWordGraphStream;
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std::ostream *m_outputSearchGraphStream;
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std::ostream *m_detailedTranslationReportingStream;
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std::ostream *m_unknownsStream;
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std::ostream *m_detailedTreeFragmentsTranslationReportingStream;
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std::ofstream *m_alignmentInfoStream;
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std::ofstream *m_latticeSamplesStream;
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std::auto_ptr<Moses::OutputCollector> m_singleBestOutputCollector;
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std::auto_ptr<Moses::OutputCollector> m_nBestOutputCollector;
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std::auto_ptr<Moses::OutputCollector> m_unknownsCollector;
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std::auto_ptr<Moses::OutputCollector> m_alignmentInfoCollector;
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std::auto_ptr<Moses::OutputCollector> m_searchGraphOutputCollector;
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std::auto_ptr<Moses::OutputCollector> m_detailedTranslationCollector;
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std::auto_ptr<Moses::OutputCollector> m_wordGraphCollector;
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std::auto_ptr<Moses::OutputCollector> m_latticeSamplesCollector;
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std::auto_ptr<Moses::OutputCollector> m_detailTreeFragmentsOutputCollector;
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bool m_surpressSingleBestOutput;
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#ifdef WITH_THREADS
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boost::mutex m_lock;
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#endif
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size_t m_currentLine; /* line counter, initialized from static data at construction
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* incremented with every call to ReadInput */
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InputTypeEnum m_inputType; // initialized from StaticData at construction
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std::list<boost::shared_ptr<InputType> > m_past_input;
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std::list<boost::shared_ptr<InputType> > m_future_input;
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size_t m_look_ahead; /// for context-sensitive decoding: # of wrds to look ahead
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size_t m_look_back; /// for context-sensitive decoding: # of wrds to look back
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size_t m_buffered_ahead; /// number of words buffered ahead
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// For context-sensitive decoding:
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// Number of context words ahead and before the current sentence.
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std::string m_hypergraph_output_filepattern;
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public:
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IOWrapper();
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~IOWrapper();
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// Moses::InputType* GetInput(Moses::InputType *inputType);
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boost::shared_ptr<InputType> ReadInput();
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Moses::OutputCollector *GetSingleBestOutputCollector() {
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return m_singleBestOutputCollector.get();
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}
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void SetOutputStream2SingleBestOutputCollector(std::ostream* outStream) {
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if (m_singleBestOutputCollector.get())
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m_singleBestOutputCollector->SetOutputStream(outStream);
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else
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m_singleBestOutputCollector.reset(new Moses::OutputCollector(outStream));
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}
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Moses::OutputCollector *GetNBestOutputCollector() {
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return m_nBestOutputCollector.get();
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}
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Moses::OutputCollector *GetUnknownsCollector() {
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return m_unknownsCollector.get();
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}
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Moses::OutputCollector *GetAlignmentInfoCollector() {
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return m_alignmentInfoCollector.get();
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}
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Moses::OutputCollector *GetSearchGraphOutputCollector() {
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return m_searchGraphOutputCollector.get();
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}
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Moses::OutputCollector *GetDetailedTranslationCollector() {
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return m_detailedTranslationCollector.get();
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}
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Moses::OutputCollector *GetWordGraphCollector() {
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return m_wordGraphCollector.get();
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}
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Moses::OutputCollector *GetLatticeSamplesCollector() {
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return m_latticeSamplesCollector.get();
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}
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Moses::OutputCollector *GetDetailTreeFragmentsOutputCollector() {
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return m_detailTreeFragmentsOutputCollector.get();
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}
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void SetInputStreamFromString(std::istringstream &input) {
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m_inputStream = &input;
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}
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std::string GetHypergraphOutputFileName(size_t const id) const;
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// post editing
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std::ifstream *spe_src, *spe_trg, *spe_aln;
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private:
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template<class itype>
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boost::shared_ptr<InputType>
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BufferInput();
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boost::shared_ptr<InputType>
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GetBufferedInput();
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void
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set_context_for(InputType& source);
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};
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template<class itype>
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boost::shared_ptr<InputType>
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IOWrapper::
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BufferInput()
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{
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boost::shared_ptr<itype> source;
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boost::shared_ptr<InputType> ret;
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if (m_future_input.size()) {
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ret = m_future_input.front();
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m_future_input.pop_front();
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m_buffered_ahead -= ret->GetSize();
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} else {
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source.reset(new itype);
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if (!source->Read(*m_inputStream, *m_inputFactorOrder))
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return ret;
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ret = source;
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}
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while (m_buffered_ahead < m_look_ahead) {
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source.reset(new itype);
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if (!source->Read(*m_inputStream, *m_inputFactorOrder)) break;
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m_future_input.push_back(source);
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m_buffered_ahead += source->GetSize();
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}
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return ret;
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}
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}
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