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91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/***********************************************************************
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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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#pragma once
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#include "ChartTranslationOptions.h"
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#include "ChartParserCallback.h"
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#include "StackVec.h"
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#include <vector>
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namespace Moses
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{
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class TargetPhraseCollection;
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class Range;
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class InputType;
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class InputPath;
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class ChartCellLabel;
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//! a vector of translations options for a specific range, in a specific sentence
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class ChartTranslationOptionList : public ChartParserCallback
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{
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friend std::ostream& operator<<(std::ostream&, const ChartTranslationOptionList&);
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public:
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ChartTranslationOptionList(size_t ruleLimit, const InputType &input);
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~ChartTranslationOptionList();
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const ChartTranslationOptions &Get(size_t i) const {
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return *m_collection[i];
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}
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//! number of translation options
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size_t GetSize() const {
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return m_size;
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}
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void Add(const TargetPhraseCollection &, const StackVec &,
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const Range &);
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void AddPhraseOOV(TargetPhrase &phrase, std::list<TargetPhraseCollection::shared_ptr > &waste_memory, const Range &range);
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bool Empty() const {
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return m_size == 0;
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}
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float GetBestScore(const ChartCellLabel *chartCell) const;
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void Clear();
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void ApplyThreshold(float threshold);
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void EvaluateWithSourceContext(const InputType &input, const InputPath &inputPath);
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private:
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typedef std::vector<ChartTranslationOptions*> CollType;
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struct ScoreThresholdPred {
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ScoreThresholdPred(float threshold) : m_thresholdScore(threshold) {}
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bool operator()(const ChartTranslationOptions *option) {
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return option->GetEstimateOfBestScore() >= m_thresholdScore;
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}
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float m_thresholdScore;
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};
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void SwapTranslationOptions(size_t a, size_t b);
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CollType m_collection;
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size_t m_size;
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float m_scoreThreshold;
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const size_t m_ruleLimit;
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};
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}
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