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/***********************************************************************
Moses - statistical machine translation system
Copyright (C) 2006-2011 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
***********************************************************************/
#pragma once
#include "StackVec.h"
#include "ChartTranslationOptions.h"
#include <vector>
namespace Moses
{
class ChartCellCollection;
class ChartHypothesis;
class ChartManager;
class TargetPhrase;
typedef std::vector<const ChartHypothesis*> HypoList;
/** wrapper around list of target phrase translation options
* @todo How is this used. Split out into separate source file
*/
class TranslationDimension
{
public:
TranslationDimension(std::size_t pos,
const ChartTranslationOptions::CollType &orderedTargetPhrases)
: m_pos(pos)
, m_orderedTargetPhrases(orderedTargetPhrases) {
}
std::size_t IncrementPos() {
return m_pos++;
}
bool HasMoreTranslations() const {
return m_pos+1 < m_orderedTargetPhrases.size();
}
const boost::shared_ptr<ChartTranslationOption> GetTranslationOption() const {
return m_orderedTargetPhrases[m_pos];
}
bool operator<(const TranslationDimension &compare) const {
return GetTranslationOption().get() < compare.GetTranslationOption().get();
}
bool operator==(const TranslationDimension &compare) const {
return GetTranslationOption().get() == compare.GetTranslationOption().get();
}
private:
std::size_t m_pos;
const ChartTranslationOptions::CollType &m_orderedTargetPhrases;
};
/** wrapper around list of hypotheses for a particular non-term of a trans opt
* @todo How is this used. Split out into separate source file
*/
class HypothesisDimension
{
public:
HypothesisDimension(std::size_t pos, const HypoList &orderedHypos)
: m_pos(pos)
, m_orderedHypos(&orderedHypos) {
}
std::size_t IncrementPos() {
return m_pos++;
}
bool HasMoreHypo() const {
return m_pos+1 < m_orderedHypos->size();
}
const ChartHypothesis *GetHypothesis() const {
return (*m_orderedHypos)[m_pos];
}
bool operator<(const HypothesisDimension &compare) const {
return GetHypothesis() < compare.GetHypothesis();
}
bool operator==(const HypothesisDimension &compare) const {
return GetHypothesis() == compare.GetHypothesis();
}
private:
std::size_t m_pos;
const HypoList *m_orderedHypos;
};
std::size_t hash_value(const HypothesisDimension &);
/** @todo How is this used. Split out into separate source file */
class RuleCubeItem
{
public:
RuleCubeItem(const ChartTranslationOptions &, const ChartCellCollection &);
RuleCubeItem(const RuleCubeItem &, int);
~RuleCubeItem();
const TranslationDimension &GetTranslationDimension() const {
return m_translationDimension;
}
const std::vector<HypothesisDimension> &GetHypothesisDimensions() const {
return m_hypothesisDimensions;
}
float GetScore() const {
return m_score;
}
void EstimateScore();
void CreateHypothesis(const ChartTranslationOptions &, ChartManager &);
ChartHypothesis *ReleaseHypothesis();
bool operator<(const RuleCubeItem &) const;
private:
RuleCubeItem(const RuleCubeItem &); // Not implemented
RuleCubeItem &operator=(const RuleCubeItem &); // Not implemented
void CreateHypothesisDimensions(const StackVec &);
TranslationDimension m_translationDimension;
std::vector<HypothesisDimension> m_hypothesisDimensions;
ChartHypothesis *m_hypothesis;
float m_score;
};
}
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