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/*
* PhraseTable.h
*
* Created on: 23 Oct 2015
* Author: hieu
*/
#pragma once
#include <string>
#include <boost/unordered_map.hpp>
#include "../Word.h"
#include "../HypothesisColl.h"
#include "../FF/StatelessFeatureFunction.h"
#include "../legacy/Util2.h"
namespace Moses2
{
class System;
class InputPathsBase;
class InputPath;
class Manager;
class TargetPhrases;
class Range;
namespace SCFG
{
class InputPath;
class Stacks;
class Manager;
class ActiveChartEntry;
}
////////////////////////////////////////////////////////////////////////
class PhraseTable: public StatelessFeatureFunction
{
public:
int decodeGraphBackoff;
PhraseTable(size_t startInd, const std::string &line);
virtual ~PhraseTable();
virtual void SetParameter(const std::string& key, const std::string& value);
virtual void Lookup(const Manager &mgr, InputPathsBase &inputPaths) const;
virtual TargetPhrases *Lookup(const Manager &mgr, MemPool &pool,
InputPath &inputPath) const;
void SetPtInd(size_t ind)
{ m_ptInd = ind; }
size_t GetPtInd() const
{ return m_ptInd; }
bool SatisfyBackoff(const Manager &mgr, const InputPath &path) const;
virtual void
EvaluateInIsolation(MemPool &pool, const System &system, const Phrase<Moses2::Word> &source,
const TargetPhraseImpl &targetPhrase, Scores &scores,
SCORE &estimatedScore) const;
virtual void
EvaluateInIsolation(MemPool &pool, const System &system, const Phrase<SCFG::Word> &source,
const TargetPhrase<SCFG::Word> &targetPhrase, Scores &scores,
SCORE &estimatedScore) const;
// scfg
virtual void InitActiveChart(
MemPool &pool,
const SCFG::Manager &mgr,
SCFG::InputPath &path) const = 0;
virtual void Lookup(
MemPool &pool,
const SCFG::Manager &mgr,
size_t maxChartSpan,
const SCFG::Stacks &stacks,
SCFG::InputPath &path) const = 0;
virtual void LookupUnary(MemPool &pool,
const SCFG::Manager &mgr,
const SCFG::Stacks &stacks,
SCFG::InputPath &path) const;
protected:
std::string m_path;
size_t m_ptInd; // in the order that it is list in [feature], NOT order of [mapping]
size_t m_tableLimit;
std::vector<FactorType> m_input, m_output;
// cache
size_t m_maxCacheSize; // 0 = no caching
struct CacheCollEntry2
{
TargetPhrases *tpsPtr;
clock_t clock;
};
// scfg
virtual void LookupNT(
MemPool &pool,
const SCFG::Manager &mgr,
const Moses2::Range &subPhraseRange,
const SCFG::InputPath &prevPath,
const SCFG::Stacks &stacks,
SCFG::InputPath &outPath) const;
virtual void LookupGivenWord(
MemPool &pool,
const SCFG::Manager &mgr,
const SCFG::InputPath &prevPath,
const SCFG::Word &wordSought,
const Moses2::Hypotheses *hypos,
const Moses2::Range &subPhraseRange,
SCFG::InputPath &outPath) const;
virtual void LookupGivenNode(
MemPool &pool,
const SCFG::Manager &mgr,
const SCFG::ActiveChartEntry &prevEntry,
const SCFG::Word &wordSought,
const Moses2::Hypotheses *hypos,
const Moses2::Range &subPhraseRange,
SCFG::InputPath &outPath) const = 0;
};
}
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