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// $Id: PhraseDictionaryMemory.cpp 2477 2009-08-07 16:47:54Z bhaddow $
// vim:tabstop=2
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2010 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#include <iostream>
#include "DecodeFeature.h"
#include "moses/DecodeStep.h"
#include "moses/StaticData.h"
using namespace std;
namespace Moses
{
DecodeFeature::DecodeFeature(const std::string &line, bool registerNow)
: StatelessFeatureFunction(line, registerNow)
, m_container(NULL)
{
VERBOSE(2,"DecodeFeature:" << std::endl);
}
DecodeFeature::DecodeFeature(size_t numScoreComponents
, const std::string &line)
: StatelessFeatureFunction(numScoreComponents, line)
, m_container(NULL)
{
VERBOSE(2,"DecodeFeature: no factors yet" << std::endl);
}
DecodeFeature::DecodeFeature(size_t numScoreComponents
, const std::vector<FactorType> &input
, const std::vector<FactorType> &output
, const std::string &line)
: StatelessFeatureFunction(numScoreComponents, line)
, m_input(input), m_output(output)
, m_container(NULL)
{
m_inputFactors = FactorMask(input);
m_outputFactors = FactorMask(output);
VERBOSE(2,"DecodeFeature: input=" << m_inputFactors << " output=" << m_outputFactors << std::endl);
}
void DecodeFeature::SetParameter(const std::string& key, const std::string& value)
{
if (key == "input-factor") {
m_input =Tokenize<FactorType>(value, ",");
m_inputFactors = FactorMask(m_input);
} else if (key == "output-factor") {
m_output =Tokenize<FactorType>(value, ",");
m_outputFactors = FactorMask(m_output);
} else {
StatelessFeatureFunction::SetParameter(key, value);
}
}
const FactorMask& DecodeFeature::GetOutputFactorMask() const
{
return m_outputFactors;
}
const FactorMask& DecodeFeature::GetInputFactorMask() const
{
return m_inputFactors;
}
const std::vector<FactorType>& DecodeFeature::GetInput() const
{
return m_input;
}
const std::vector<FactorType>& DecodeFeature::GetOutput() const
{
return m_output;
}
bool DecodeFeature::IsUseable(const FactorMask &mask) const
{
for (size_t i = 0; i < m_output.size(); ++i) {
const FactorType &factor = m_output[i];
if (!mask[factor]) {
return false;
}
}
return true;
}
const DecodeGraph &DecodeFeature::GetDecodeGraph() const
{
assert(m_container);
const DecodeGraph *graph = m_container->GetContainer();
assert(graph);
return *graph;
}
}
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