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117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
// $Id: PhraseDictionaryMemory.cpp 2477 2009-08-07 16:47:54Z bhaddow $
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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) 2010 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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#include <iostream>
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#include "DecodeFeature.h"
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#include "moses/DecodeStep.h"
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#include "moses/StaticData.h"
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using namespace std;
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namespace Moses
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{
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DecodeFeature::DecodeFeature(const std::string &line)
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: StatelessFeatureFunction(line)
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, m_container(NULL)
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{
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VERBOSE(2,"DecodeFeature:" << std::endl);
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}
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DecodeFeature::DecodeFeature(size_t numScoreComponents
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, const std::string &line)
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: StatelessFeatureFunction(numScoreComponents, line)
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, m_container(NULL)
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{
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VERBOSE(2,"DecodeFeature: no factors yet" << std::endl);
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}
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DecodeFeature::DecodeFeature(size_t numScoreComponents
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, const std::vector<FactorType> &input
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, const std::vector<FactorType> &output
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, const std::string &line)
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: StatelessFeatureFunction(numScoreComponents, line)
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, m_container(NULL)
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, m_input(input), m_output(output)
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{
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m_inputFactors = FactorMask(input);
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m_outputFactors = FactorMask(output);
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VERBOSE(2,"DecodeFeature: input=" << m_inputFactors << " output=" << m_outputFactors << std::endl);
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}
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void DecodeFeature::SetParameter(const std::string& key, const std::string& value)
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{
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if (key == "input-factor") {
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m_input =Tokenize<FactorType>(value, ",");
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m_inputFactors = FactorMask(m_input);
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} else if (key == "output-factor") {
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m_output =Tokenize<FactorType>(value, ",");
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m_outputFactors = FactorMask(m_output);
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} else {
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StatelessFeatureFunction::SetParameter(key, value);
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}
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}
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const FactorMask& DecodeFeature::GetOutputFactorMask() const
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{
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return m_outputFactors;
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}
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const FactorMask& DecodeFeature::GetInputFactorMask() const
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{
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return m_inputFactors;
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}
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const std::vector<FactorType>& DecodeFeature::GetInput() const
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{
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return m_input;
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}
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const std::vector<FactorType>& DecodeFeature::GetOutput() const
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{
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return m_output;
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}
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bool DecodeFeature::IsUseable(const FactorMask &mask) const
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{
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for (size_t i = 0; i < m_output.size(); ++i) {
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const FactorType &factor = m_output[i];
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if (!mask[factor]) {
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return false;
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}
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}
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return true;
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}
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const DecodeGraph &DecodeFeature::GetDecodeGraph() const
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{
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assert(m_container);
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const DecodeGraph *graph = m_container->GetContainer();
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assert(graph);
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return *graph;
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}
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}
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