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// vim:tabstop=2
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 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 "moses/TranslationModel/PhraseDictionary.h"
#include "moses/StaticData.h"
#include "moses/InputType.h"
#include "moses/TranslationOption.h"
#include "moses/UserMessage.h"
#include "moses/InputPath.h"
#include "util/exception.hh"
using namespace std;
namespace Moses
{
PhraseDictionary::PhraseDictionary(const std::string &description, const std::string &line)
:DecodeFeature(description, line)
,m_tableLimit(20) // default
{
}
const TargetPhraseCollection *PhraseDictionary::
GetTargetPhraseCollection(InputType const& src,WordsRange const& range) const
{
Phrase phrase = src.GetSubString(range);
return GetTargetPhraseCollection(phrase);
}
void PhraseDictionary::SetParameter(const std::string& key, const std::string& value)
{
if (key == "path") {
m_filePath = value;
} else if (key == "table-limit") {
m_tableLimit = Scan<size_t>(value);
} else {
DecodeFeature::SetParameter(key, value);
}
}
void PhraseDictionary::SetFeaturesToApply()
{
// find out which feature function can be applied in this decode step
const std::vector<FeatureFunction*> &allFeatures = FeatureFunction::GetFeatureFunctions();
for (size_t i = 0; i < allFeatures.size(); ++i) {
FeatureFunction *feature = allFeatures[i];
if (feature->IsUseable(m_outputFactors)) {
m_featuresToApply.push_back(feature);
}
}
}
void PhraseDictionary::SetTargetPhraseFromPtMatrix(const std::vector<InputLatticeNode*> &phraseDictionaryQueue) const
{
// UTIL_THROW(util::Exception, "SetTargetPhraseFromPtMatrix() not implemented");
for (size_t i = 0; i < phraseDictionaryQueue.size(); ++i) {
InputLatticeNode &node = *phraseDictionaryQueue[i];
const Phrase &phrase = node.GetPhrase();
const TargetPhraseCollection *targetPhrases = this->GetTargetPhraseCollection(phrase);
node.SetTargetPhrases(*this, targetPhrases, NULL);
}
}
}
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