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123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/***********************************************************************
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Moses - factored phrase-based language decoder
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Copyright (C) 2014 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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#pragma once
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#ifndef moses_CompletedRuleCollectionS_h
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#define moses_CompletedRuleCollectionS_h
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#include <vector>
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#include <numeric>
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#include "moses/StackVec.h"
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#include "moses/TargetPhraseCollection.h"
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#include "moses/ChartTranslationOptions.h"
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#include "moses/ChartCellLabel.h"
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#include "moses/ChartParserCallback.h"
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namespace Moses
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{
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// temporary storage for a completed rule (because we use lookahead to find rules before ChartManager wants us to)
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struct CompletedRule
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{
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public:
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CompletedRule(const TargetPhraseCollection &tpc,
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const StackVec &stackVec,
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const float score)
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: m_stackVec(stackVec)
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, m_tpc(tpc)
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, m_score(score) {}
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const TargetPhraseCollection & GetTPC() const {
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return m_tpc;
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}
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const StackVec & GetStackVector() const {
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return m_stackVec;
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}
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const float GetScoreEstimate() const {
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return m_score;
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}
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private:
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const StackVec m_stackVec;
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const TargetPhraseCollection &m_tpc;
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const float m_score;
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};
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class CompletedRuleOrdered
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{
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public:
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bool operator()(const CompletedRule* itemA, const CompletedRule* itemB) const {
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return itemA->GetScoreEstimate() > itemB->GetScoreEstimate();
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}
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};
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struct CompletedRuleCollection
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{
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public:
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CompletedRuleCollection();
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CompletedRuleCollection(const CompletedRuleCollection &old)
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: m_collection(old.m_collection)
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, m_scoreThreshold(old.m_scoreThreshold)
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, m_ruleLimit(old.m_ruleLimit) {}
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CompletedRuleCollection & operator=(const CompletedRuleCollection &old) {
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m_collection = old.m_collection;
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m_scoreThreshold = old.m_scoreThreshold;
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m_ruleLimit = old.m_ruleLimit;
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return *this;
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}
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std::vector<CompletedRule*>::const_iterator begin() const {
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return m_collection.begin();
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}
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std::vector<CompletedRule*>::const_iterator end() const {
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return m_collection.end();
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}
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void Clear() {
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RemoveAllInColl(m_collection);
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}
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void Add(const TargetPhraseCollection &tpc,
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const StackVec &stackVec,
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const ChartParserCallback &outColl);
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void Add(const TargetPhraseCollection &tpc,
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const StackVec &stackVec,
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const std::vector<float> &stackScores,
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const ChartParserCallback &outColl);
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private:
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std::vector<CompletedRule*> m_collection;
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float m_scoreThreshold;
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size_t m_ruleLimit;
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};
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} // namespace Moses
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#endif |