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
|
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#pragma once
#include "ChartTranslationOptions.h"
#include "ChartParserCallback.h"
#include "StackVec.h"
#include <vector>
namespace Moses
{
class TargetPhraseCollection;
class Range;
class InputType;
class InputPath;
class ChartCellLabel;
//! a vector of translations options for a specific range, in a specific sentence
class ChartTranslationOptionList : public ChartParserCallback
{
friend std::ostream& operator<<(std::ostream&, const ChartTranslationOptionList&);
public:
ChartTranslationOptionList(size_t ruleLimit, const InputType &input);
~ChartTranslationOptionList();
const ChartTranslationOptions &Get(size_t i) const {
return *m_collection[i];
}
//! number of translation options
size_t GetSize() const {
return m_size;
}
void Add(const TargetPhraseCollection &, const StackVec &,
const Range &);
void AddPhraseOOV(TargetPhrase &phrase, std::list<TargetPhraseCollection::shared_ptr > &waste_memory, const Range &range);
bool Empty() const {
return m_size == 0;
}
float GetBestScore(const ChartCellLabel *chartCell) const;
void Clear();
void ApplyThreshold(float threshold);
void EvaluateWithSourceContext(const InputType &input, const InputPath &inputPath);
private:
typedef std::vector<ChartTranslationOptions*> CollType;
struct ScoreThresholdPred {
ScoreThresholdPred(float threshold) : m_thresholdScore(threshold) {}
bool operator()(const ChartTranslationOptions *option) {
return option->GetEstimateOfBestScore() >= m_thresholdScore;
}
float m_thresholdScore;
};
void SwapTranslationOptions(size_t a, size_t b);
CollType m_collection;
size_t m_size;
float m_scoreThreshold;
const size_t m_ruleLimit;
};
}
|
