/* retoor <retoor@molodetz.nl> */
#ifndef LOREG_MATCHER_H
#define LOREG_MATCHER_H

#include "nfa.h"
#include "loreg.h"

typedef struct {
    nfa_state_t **states;
    size_t count;
    size_t capacity;
    size_t *group_starts;
    size_t *group_ends;
    int group_count;
} state_set_t;

state_set_t *state_set_create(size_t initial_capacity, int group_count);
void state_set_free(state_set_t *set);
void state_set_clear(state_set_t *set);
void state_set_add(state_set_t *set, nfa_state_t *state);
bool state_set_contains(state_set_t *set, nfa_state_t *state);

bool nfa_match(nfa_t *nfa, const char *text, size_t start_pos, loreg_match_t *result);
bool nfa_search(nfa_t *nfa, const char *text, loreg_match_t *result);

#endif