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https://github.com/moses-smt/mosesdecoder.git
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96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
// $Id$
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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) 2006 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 "TranslationOption.h"
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#include "WordsBitmap.h"
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#include "GenerationDictionary.h"
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#include "LexicalReordering.h"
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#include "StaticData.h"
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#include "InputType.h"
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using namespace std;
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namespace Moses
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{
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//TODO this should be a factory function!
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TranslationOption::TranslationOption(const WordsRange &wordsRange
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, const TargetPhrase &targetPhrase)
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: m_targetPhrase(targetPhrase)
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, m_sourceWordsRange(wordsRange)
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, m_futureScore(targetPhrase.GetFutureScore())
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{
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}
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TranslationOption::TranslationOption(const TranslationOption ©, const WordsRange &sourceWordsRange)
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: m_targetPhrase(copy.m_targetPhrase)
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//, m_sourcePhrase(new Phrase(*copy.m_sourcePhrase)) // TODO use when confusion network trans opt for confusion net properly implemented
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, m_sourceWordsRange(sourceWordsRange)
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, m_futureScore(copy.m_futureScore)
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, m_lexReorderingScores(copy.m_lexReorderingScores)
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{}
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bool TranslationOption::IsCompatible(const Phrase& phrase, const std::vector<FactorType>& featuresToCheck) const
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{
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if (featuresToCheck.size() == 1) {
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return m_targetPhrase.IsCompatible(phrase, featuresToCheck[0]);
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} else if (featuresToCheck.empty()) {
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return true;
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/* features already there, just update score */
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} else {
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return m_targetPhrase.IsCompatible(phrase, featuresToCheck);
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}
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}
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bool TranslationOption::Overlap(const Hypothesis &hypothesis) const
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{
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const WordsBitmap &bitmap = hypothesis.GetWordsBitmap();
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return bitmap.Overlap(GetSourceWordsRange());
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}
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void TranslationOption::CacheLexReorderingScores(const LexicalReordering &producer, const Scores &score)
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{
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m_lexReorderingScores[&producer] = score;
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}
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void TranslationOption::Evaluate(const InputType &source)
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{
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m_targetPhrase.Evaluate(source);
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}
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TO_STRING_BODY(TranslationOption);
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// friend
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ostream& operator<<(ostream& out, const TranslationOption& possibleTranslation)
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{
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out << possibleTranslation.GetTargetPhrase()
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<< " c=" << possibleTranslation.GetFutureScore()
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<< " [" << possibleTranslation.GetSourceWordsRange() << "]"
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<< possibleTranslation.GetScoreBreakdown();
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return out;
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}
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}
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