blob: 79192d40ffdfcd7fc7e76a6eb9c6618c3c725d07 (
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
|
#ifndef SEARCH_RULE__
#define SEARCH_RULE__
#include "lm/left.hh"
#include "search/arity.hh"
#include "search/types.hh"
#include "search/word.hh"
#include <boost/array.hpp>
#include <iosfwd>
#include <vector>
namespace search {
template <class Model> class Context;
class Rule {
public:
Rule() : arity_(0) {}
void AppendTerminal(Word w) { items_.push_back(w); }
void AppendNonTerminal() {
items_.resize(items_.size() + 1);
++arity_;
}
template <class Model> void FinishedAdding(const Context<Model> &context, Score additive, bool prepend_bos);
Score Bound() const { return bound_; }
Score Additive() const { return additive_; }
unsigned int Arity() const { return arity_; }
const lm::ngram::ChartState &Lexical(unsigned int index) const {
return lexical_[index];
}
// For printing.
typedef const std::vector<Word> ItemsRet;
ItemsRet &Items() const { return items_; }
private:
Score bound_, additive_;
unsigned int arity_;
// TODO: pool?
std::vector<Word> items_;
std::vector<lm::ngram::ChartState> lexical_;
};
std::ostream &operator<<(std::ostream &o, const Rule &rule);
} // namespace search
#endif // SEARCH_RULE__
|
