diff options
author | Hieu Hoang <hieuhoang@gmail.com> | 2012-11-12 23:56:18 +0400 |
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committer | Hieu Hoang <hieuhoang@gmail.com> | 2012-11-12 23:56:18 +0400 |
commit | 5e3ef23cef6101d2c098eb3445f562e8f595655b (patch) | |
tree | b8c332b6fa82bae84ea4910967a10ba1b08a7107 /moses/RuleCubeItem.h | |
parent | 8c785cff2b1be3cccd76ea9026f71b649762dfc3 (diff) |
move moses/src/* to moses/
Diffstat (limited to 'moses/RuleCubeItem.h')
-rw-r--r-- | moses/RuleCubeItem.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/moses/RuleCubeItem.h b/moses/RuleCubeItem.h new file mode 100644 index 000000000..612079172 --- /dev/null +++ b/moses/RuleCubeItem.h @@ -0,0 +1,147 @@ +/*********************************************************************** + 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 <vector> + +namespace Moses +{ + +class ChartCellCollection; +class ChartHypothesis; +class ChartManager; +class ChartTranslationOptions; +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 std::vector<TargetPhrase*> &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 TargetPhrase *GetTargetPhrase() const { + return (*m_orderedTargetPhrases)[m_pos]; + } + + bool operator<(const TranslationDimension &compare) const { + return GetTargetPhrase() < compare.GetTargetPhrase(); + } + + bool operator==(const TranslationDimension &compare) const { + return GetTargetPhrase() == compare.GetTargetPhrase(); + } + + private: + std::size_t m_pos; + const std::vector<TargetPhrase*> *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; +}; + +} |