SegrulesFSA.hpp
1.63 KB
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
/*
* File: SegrulesFSA.hpp
* Author: mlenart
*
* Created on 12 marzec 2014, 17:52
*/
#ifndef SEGRULESFSA_HPP
#define SEGRULESFSA_HPP
#include <set>
#include <iostream>
#include "../deserializationUtils.hpp"
struct SegrulesState {
uint16_t offset;
bool accepting;
bool weak;
bool shiftOrthFromPrevious;
bool sink;
};
inline bool operator<(const SegrulesState& s1, const SegrulesState& s2) {
return s1.offset < s2.offset;
}
class SegrulesFSA {
public:
SegrulesFSA(const unsigned char* ptr) : initialState(), ptr(ptr), initialTransitions() {
SegrulesState state = {0, false, false, false, false};
initialState = state;
initialTransitions = createInitialTransitionsVector();
}
void proceedToNext(
const unsigned char segnum,
const SegrulesState& state,
bool atEndOfWord,
std::vector<SegrulesState>& res) const;
virtual ~SegrulesFSA() {
}
SegrulesState initialState;
private:
const unsigned char* ptr;
std::vector< std::vector<SegrulesState> > initialTransitions;
SegrulesState transition2State(const unsigned char* transitionPtr) const;
std::vector< std::vector<SegrulesState> > createInitialTransitionsVector();
void doProceedFromInitialState(
const unsigned char segnum,
bool atEndOfWord,
std::vector<SegrulesState>& res) const;
void doProceedFromNonInitialState(
const unsigned char segnum,
const SegrulesState& state,
bool atEndOfWord,
std::vector<SegrulesState>& res) const;
};
#endif /* SEGRULESFSA_HPP */