mosesdecoder/moses/TranslationModel/PhraseDictionary.cpp
2013-06-10 16:29:07 +01:00

88 lines
2.7 KiB
C++

// 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"
using namespace std;
namespace Moses
{
PhraseDictionary::PhraseDictionary(const std::string &description, const std::string &line)
:DecodeFeature(description, line)
{
m_tableLimit= 20; // TODO default?
for (size_t i = 0; i < m_args.size(); ++i) {
const vector<string> &args = m_args[i];
if (args[0] == "path") {
m_filePath = args[1];
} else if (args[0] == "table-limit") {
m_tableLimit = Scan<size_t>(args[1]);
} else if (args[0] == "target-path") {
m_targetFile = args[1];
} else if (args[0] == "alignment-path") {
m_alignmentsFile = args[1];
} else {
//throw "Unknown argument " + args[0];
}
} // for (size_t i = 0; i < toks.size(); ++i) {
// 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);
}
}
}
const TargetPhraseCollection *PhraseDictionary::
GetTargetPhraseCollection(InputType const& src,WordsRange const& range) const
{
Phrase phrase = src.GetSubString(range);
phrase.OnlyTheseFactors(m_inputFactors);
return GetTargetPhraseCollection(phrase);
}
bool PhraseDictionary::OverrideParameter(const std::string& key, const std::string& value)
{
if (key == "table-limit") {
m_tableLimit = Scan<size_t>(value);
}
else {
return DecodeFeature::OverrideParameter(key, value);
}
return true;
}
}