#ifndef DICT_H
#define DICT_H

#include <stddef.h>
#include <stdint.h>

struct level {
    uint64_t bit_mask;
    uint64_t *token_masks;
};

#ifndef MAPPED_CHARS
#define MAPPED_CHARS 32
#endif

struct dict {
    // parameters for compilation
    struct string_token {
        char *s;
        int t;
    } *strings;
    size_t nstrings;
    uint8_t *char_to_bit;

    // result of compilation
    struct level start_level;
    struct level *bit_to_ptr[MAPPED_CHARS];
    size_t num_levels;

    // allocator
    void *(*calloc)(size_t, size_t);
    void (*free)(void *);
};

#define DICT_INIT(strings_, nstrings_, char_to_bit_) (struct dict){.strings = strings_, .nstrings = nstrings_, .char_to_bit = char_to_bit_, .calloc = NULL, .free = NULL}

#define DICT_SET_ALLOCATOR(dict, calloc_, free_) do {   \
        (dict)->calloc = (calloc_);                     \
        (dict)->free = (free_);                         \
    } while(0)

int dict_compile(struct dict *d);
void dict_free(struct dict *d);
void dict_print(struct dict *d);
int dict_check(struct dict *d, char *string);

#endif