fzf-native/fzf.h at main · dangduc/fzf-native · GitHub

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#ifndef FZF_H_
#define FZF_H_

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

typedef struct {
  int16_t *data;
  size_t size;
  size_t cap;
  bool allocated;
} fzf_i16_t;

typedef struct {
  int32_t *data;
  size_t size;
  size_t cap;
  bool allocated;
} fzf_i32_t;

typedef struct {
  uint32_t *data;
  size_t size;
  size_t cap;
} fzf_position_t;

typedef struct {
  int32_t start;
  int32_t end;
  int32_t score;
} fzf_result_t;

typedef struct {
  fzf_i16_t I16;
  fzf_i32_t I32;
} fzf_slab_t;

typedef struct {
  size_t size_16;
  size_t size_32;
} fzf_slab_config_t;

typedef struct {
  const char *data;
  size_t size;
} fzf_string_t;

typedef fzf_result_t (*fzf_algo_t)(bool, bool, fzf_string_t *, fzf_string_t *,
                                   fzf_position_t *, fzf_slab_t *);

typedef enum { CaseSmart = 0, CaseIgnore, CaseRespect } fzf_case_types;

typedef struct {
  fzf_algo_t fn;
  bool inv;
  char *ptr;
  void *text;
  bool case_sensitive;
} fzf_term_t;

typedef struct {
  fzf_term_t *ptr;
  size_t size;
  size_t cap;
} fzf_term_set_t;

typedef struct {
  fzf_term_set_t **ptr;
  size_t size;
  size_t cap;
  bool only_inv;
} fzf_pattern_t;

fzf_result_t fzf_fuzzy_match_v1(bool case_sensitive, bool normalize,
                                fzf_string_t *text, fzf_string_t *pattern,
                                fzf_position_t *pos, fzf_slab_t *slab);
fzf_result_t fzf_fuzzy_match_v2(bool case_sensitive, bool normalize,
                                fzf_string_t *text, fzf_string_t *pattern,
                                fzf_position_t *pos, fzf_slab_t *slab);
fzf_result_t fzf_exact_match_naive(bool case_sensitive, bool normalize,
                                   fzf_string_t *text, fzf_string_t *pattern,
                                   fzf_position_t *pos, fzf_slab_t *slab);
fzf_result_t fzf_prefix_match(bool case_sensitive, bool normalize,
                              fzf_string_t *text, fzf_string_t *pattern,
                              fzf_position_t *pos, fzf_slab_t *slab);
fzf_result_t fzf_suffix_match(bool case_sensitive, bool normalize,
                              fzf_string_t *text, fzf_string_t *pattern,
                              fzf_position_t *pos, fzf_slab_t *slab);
fzf_result_t fzf_equal_match(bool case_sensitive, bool normalize,
                             fzf_string_t *text, fzf_string_t *pattern,
                             fzf_position_t *pos, fzf_slab_t *slab);

/* interface */
fzf_pattern_t *fzf_parse_pattern(fzf_case_types case_mode, bool normalize,
                                 char *pattern, bool fuzzy);
void fzf_free_pattern(fzf_pattern_t *pattern);

int32_t fzf_get_score(const char *text, fzf_pattern_t *pattern,
                      fzf_slab_t *slab);

fzf_position_t *fzf_pos_array(size_t len);
fzf_position_t *fzf_get_positions(const char *text, fzf_pattern_t *pattern,
                                  fzf_slab_t *slab);
void fzf_free_positions(fzf_position_t *pos);

fzf_slab_t *fzf_make_slab(fzf_slab_config_t config);
fzf_slab_t *fzf_make_default_slab(void);
void fzf_free_slab(fzf_slab_t *slab);

#endif // FZF_H_