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https://github.com/moses-smt/mosesdecoder.git
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106 lines
2.3 KiB
C++
106 lines
2.3 KiB
C++
/*
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* PhraseImpl.h
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*
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* Created on: 23 Oct 2015
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* Author: hieu
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*/
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#pragma once
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#include <cstddef>
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#include <string>
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#include <iostream>
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#include "Word.h"
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#include "MemPool.h"
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#include "TypeDef.h"
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#include "legacy/FactorCollection.h"
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namespace Moses2
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{
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class SubPhrase;
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class Scores;
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class PhraseTable;
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class MemPool;
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class System;
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class Phrase
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{
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friend std::ostream& operator<<(std::ostream &, const Phrase &);
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public:
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virtual const Word& operator[](size_t pos) const = 0;
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virtual size_t GetSize() const = 0;
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virtual size_t hash() const;
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virtual bool operator==(const Phrase &compare) const;
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virtual bool operator!=(const Phrase &compare) const
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{
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return !( (*this) == compare );
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}
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virtual std::string GetString(const FactorList &factorTypes) const;
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virtual SubPhrase GetSubPhrase(size_t start, size_t end) const = 0;
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};
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////////////////////////////////////////////////////////////////////////
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class TargetPhrase : public Phrase
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{
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public:
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const PhraseTable &pt;
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mutable void **ffData;
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SCORE *scoreProperties;
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TargetPhrase(MemPool &pool, const PhraseTable &pt, const System &system);
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Scores &GetScores()
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{ return *m_scores; }
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const Scores &GetScores() const
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{ return *m_scores; }
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SCORE GetFutureScore() const;
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void SetEstimatedScore(const SCORE &value)
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{ m_estimatedScore = value; }
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SCORE *GetScoresProperty(int propertyInd) const;
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protected:
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Scores *m_scores;
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SCORE m_estimatedScore;
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};
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//////////////////////////////////////////
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struct CompareFutureScore {
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bool operator() (const TargetPhrase *a, const TargetPhrase *b) const
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{
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return a->GetFutureScore() > b->GetFutureScore();
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}
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bool operator() (const TargetPhrase &a, const TargetPhrase &b) const
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{
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return a.GetFutureScore() > b.GetFutureScore();
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}
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};
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////////////////////////////////////////////////////////////////////////
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class PhraseOrdererLexical
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{
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public:
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bool operator()(const Phrase &a, const Phrase &b) const {
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size_t minSize = std::min(a.GetSize(), b.GetSize());
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for (size_t i = 0; i < minSize; ++i) {
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const Word &aWord = a[i];
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const Word &bWord = b[i];
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int cmp = aWord.Compare(bWord);
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//std::cerr << "WORD: " << aWord << " ||| " << bWord << " ||| " << lessThan << std::endl;
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if (cmp) {
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return (cmp < 0);
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}
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}
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return a.GetSize() < b.GetSize();
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}
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};
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}
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