mosesdecoder/moses/TranslationModel/CYKPlusParser/ChartRuleLookupManagerSkeleton.cpp
2015-10-25 13:37:59 +00:00

108 lines
3.5 KiB
C++

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2011 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 "ChartRuleLookupManagerSkeleton.h"
#include "DotChartInMemory.h"
#include "moses/Util.h"
#include "moses/ChartParser.h"
#include "moses/InputType.h"
#include "moses/ChartParserCallback.h"
#include "moses/StaticData.h"
#include "moses/NonTerminal.h"
#include "moses/ChartCellCollection.h"
#include "moses/TranslationModel/PhraseDictionaryMemory.h"
#include "moses/TranslationModel/SkeletonPT.h"
using namespace std;
namespace Moses
{
ChartRuleLookupManagerSkeleton::ChartRuleLookupManagerSkeleton(
const ChartParser &parser,
const ChartCellCollectionBase &cellColl,
const SkeletonPT &skeletonPt)
: ChartRuleLookupManager(parser, cellColl)
, m_skeletonPT(skeletonPt)
{
cerr << "starting ChartRuleLookupManagerSkeleton" << endl;
}
ChartRuleLookupManagerSkeleton::~ChartRuleLookupManagerSkeleton()
{
// RemoveAllInColl(m_tpColl);
}
void ChartRuleLookupManagerSkeleton::GetChartRuleCollection(
const InputPath &inputPath,
size_t last,
ChartParserCallback &outColl)
{
//m_tpColl.push_back(TargetPhraseCollection());
//TargetPhraseCollection &tpColl = m_tpColl.back();
TargetPhraseCollection::shared_ptr tpColl(new TargetPhraseCollection);
m_tpColl.push_back(tpColl);
const Range &range = inputPath.GetWordsRange();
if (range.GetNumWordsCovered() == 1) {
const ChartCellLabel &sourceWordLabel = GetSourceAt(range.GetStartPos());
const Word &sourceWord = sourceWordLabel.GetLabel();
TargetPhrase *tp = CreateTargetPhrase(sourceWord);
tpColl->Add(tp);
}
outColl.Add(*tpColl, m_stackVec, range);
}
TargetPhrase *
ChartRuleLookupManagerSkeleton::
CreateTargetPhrase(const Word &sourceWord) const
{
// create a target phrase from the 1st word of the source, prefix with 'ChartManagerSkeleton:'
string str = sourceWord.GetFactor(0)->GetString().as_string();
str = "ChartManagerSkeleton:" + str;
TargetPhrase *tp = new TargetPhrase(&m_skeletonPT);
Word &word = tp->AddWord();
word.CreateFromString(Output, m_skeletonPT.GetOutput(), str, false);
// create hiero-style non-terminal for LHS
Word *targetLHS = new Word();
targetLHS->CreateFromString(Output, m_skeletonPT.GetOutput(), "X", true);
tp->SetTargetLHS(targetLHS);
// word alignement
tp->SetAlignmentInfo("0-0");
// score for this phrase table
vector<float> scores(m_skeletonPT.GetNumScoreComponents(), 1.3);
tp->GetScoreBreakdown().PlusEquals(&m_skeletonPT, scores);
// score of all other ff when this rule is being loaded
Phrase sourcePhrase;
sourcePhrase.AddWord(sourceWord);
//tp->Evaluate(sourcePhrase, m_skeletonPT.GetFeaturesToApply());
return tp;
}
} // namespace Moses