Welcome to mirror list, hosted at ThFree Co, Russian Federation.

PhraseTable.h « TranslationModel « moses2 « contrib - github.com/moses-smt/mosesdecoder.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
blob: c0774da6738112d7dc6fd7219e00cb925b242eb6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * 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;

  virtual void CleanUpAfterSentenceProcessing();

  // 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;

};

}