SegrulesFSA.hpp
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/*
* File: SegrulesFSA.hpp
* Author: mlenart
*
* Created on 12 marzec 2014, 17:52
*/
#ifndef SEGRULESFSA_HPP
#define SEGRULESFSA_HPP
#include <set>
#include <iostream>
#include "deserialization/deserializationUtils.hpp"
namespace morfeusz {
struct SegrulesState {
uint16_t offset;
bool accepting;
bool weak;
bool shiftOrthFromPrevious;
bool sink;
bool failed;
static SegrulesState FAILED_STATE;
};
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, false};
initialState = state;
initialTransitions = createInitialTransitionsVector();
}
void proceedToNext(
const unsigned char segnum,
const SegrulesState& state,
bool atEndOfWord,
SegrulesState& resState) const;
virtual ~SegrulesFSA() {
}
SegrulesState initialState;
private:
const unsigned char* ptr;
std::vector< SegrulesState > initialTransitions;
SegrulesState transition2State(const unsigned char* transitionPtr) const;
std::vector< SegrulesState > createInitialTransitionsVector();
void doProceedFromInitialState(
const unsigned char segnum,
bool atEndOfWord,
SegrulesState& resState) const;
void doProceedFromNonInitialState(
const unsigned char segnum,
const SegrulesState& state,
bool atEndOfWord,
SegrulesState& resState) const;
};
}
#endif /* SEGRULESFSA_HPP */