blob: ab92ce1d551d958c343e74aac094d5cb68ce3f09 (
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
|
// -*- c++ -*-
#ifndef moses_ForestInput_h
#define moses_ForestInput_h
#include <string>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <util/string_piece.hh>
#include "moses/Syntax/F2S/Forest.h"
#include "Sentence.h"
namespace Moses
{
class TranslationTask;
class ForestInput : public Sentence
{
public:
friend std::ostream &operator<<(std::ostream&, const ForestInput &);
ForestInput(TranslationTask const* ttask)
: Sentence(ttask), m_rootVertex(NULL) {}
InputTypeEnum GetType() const {
return ForestInputType;
}
//! populate this InputType with data from in stream
virtual int Read(std::istream& in,const std::vector<FactorType>& factorOrder);
//! Output debugging info to stream out
virtual void Print(std::ostream&) const;
//! create trans options specific to this InputType
virtual TranslationOptionCollection*
CreateTranslationOptionCollection() const;
boost::shared_ptr<const Syntax::F2S::Forest> GetForest() const {
return m_forest;
}
const Syntax::F2S::Forest::Vertex *GetRootVertex() const {
return m_rootVertex;
}
private:
typedef Syntax::F2S::Forest Forest;
struct VertexSetHash {
std::size_t operator()(const Forest::Vertex *v) const {
std::size_t seed = 0;
boost::hash_combine(seed, v->pvertex.symbol);
boost::hash_combine(seed, v->pvertex.span.GetStartPos());
boost::hash_combine(seed, v->pvertex.span.GetEndPos());
return seed;
}
};
struct VertexSetPred {
bool operator()(const Forest::Vertex *v, const Forest::Vertex *w) const {
return v->pvertex == w->pvertex;
}
};
typedef boost::unordered_set<Forest::Vertex *, VertexSetHash,
VertexSetPred> VertexSet;
Forest::Vertex *AddOrDeleteVertex(Forest::Vertex *);
std::size_t FindMaxEnd(const Forest &);
void FindTopVertices(Forest &, std::vector<Forest::Vertex *> &);
void ParseHyperedgeLine(const std::string &,
const std::vector<FactorType> &);
Forest::Vertex *ParseVertex(const StringPiece &,
const std::vector<FactorType> &);
boost::shared_ptr<Forest> m_forest;
Forest::Vertex *m_rootVertex;
VertexSet m_vertexSet;
};
} // namespace Moses
#endif
|