mosesdecoder/moses/MockHypothesis.h

95 lines
2.6 KiB
C++

/***********************************************************************
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
***********************************************************************/
#ifndef _MOCK_HYPOTHESIS_
#define _MOCK_HYPOTHESIS_
#include <memory>
#include <vector>
#include "moses/FF/UnknownWordPenaltyProducer.h"
#include "moses/FF/DistortionScoreProducer.h"
#include "moses/FF/WordPenaltyProducer.h"
#include "Hypothesis.h"
#include "Manager.h"
#include "TranslationOption.h"
namespace MosesTest
{
//
// Construct a hypothesis with arbitrary source and target phrase
// sequences. Useful for testing feature functions.
//
typedef std::pair<size_t,size_t> Alignment; //(first,last) in source
class MockHypothesisGuard
{
public:
/** Creates a phrase-based hypothesis.
*/
MockHypothesisGuard(
const std::string& sourceSentence,
const std::vector<Alignment>& alignments,
const std::vector<std::string>& targetSegments);
Moses::Hypothesis* operator*() const {
return m_hypothesis;
}
/** Destroy the hypothesis chain */
~MockHypothesisGuard();
private:
Moses::TranslationOption m_initialTransOpt;
Moses::Sentence m_sentence;
Moses::WordPenaltyProducer m_wp;
Moses::UnknownWordPenaltyProducer m_uwp;
Moses::DistortionScoreProducer m_dist;
Moses::Manager m_manager;
Moses::Hypothesis* m_hypothesis;
std::vector<Moses::TargetPhrase> m_targetPhrases;
std::vector<Moses::TranslationOption*> m_toptions;
};
class HypothesisFixture
{
public:
HypothesisFixture();
const Moses::Hypothesis* empty() {
return **m_empty;
}
const Moses::Hypothesis* partial() {
return **m_partial;
}
const Moses::Hypothesis* full() {
return **m_full;
}
private:
std::auto_ptr<MockHypothesisGuard> m_empty;
std::auto_ptr<MockHypothesisGuard> m_partial;
std::auto_ptr<MockHypothesisGuard> m_full;
};
}
#endif