netdata/libnetdata/simple_pattern/simple_pattern.h

// SPDX-License-Identifier: GPL-3.0-or-later

#ifndef NETDATA_SIMPLE_PATTERN_H
#define NETDATA_SIMPLE_PATTERN_H

#include "../libnetdata.h"


typedef enum {
    SIMPLE_PATTERN_EXACT,
    SIMPLE_PATTERN_PREFIX,
    SIMPLE_PATTERN_SUFFIX,
    SIMPLE_PATTERN_SUBSTRING
} SIMPLE_PREFIX_MODE;

typedef void SIMPLE_PATTERN;

// create a simple_pattern from the string given
// default_mode is used in cases where EXACT matches, without an asterisk,
// should be considered PREFIX matches.
SIMPLE_PATTERN *simple_pattern_create(const char *list, const char *separators, SIMPLE_PREFIX_MODE default_mode);

// test if string str is matched from the pattern and fill 'wildcarded' with the parts matched by '*'
int simple_pattern_matches_extract(SIMPLE_PATTERN *list, const char *str, char *wildcarded, size_t wildcarded_size);

// test if string str is matched from the pattern
#define simple_pattern_matches(list, str) simple_pattern_matches_extract(list, str, NULL, 0)

// free a simple_pattern that was created with simple_pattern_create()
// list can be NULL, in which case, this does nothing.
void simple_pattern_free(SIMPLE_PATTERN *list);

void simple_pattern_dump(uint64_t debug_type, SIMPLE_PATTERN *p) ;
int simple_pattern_is_potential_name(SIMPLE_PATTERN *p) ;
char *simple_pattern_iterate(SIMPLE_PATTERN **p);

// Auxiliary function to create a pattern
char *simple_pattern_trim_around_equal(char *src);

#define is_valid_sp(x) ((x) && *(x) && !((x)[0] == '*' && (x)[1] == '\0'))

#endif //NETDATA_SIMPLE_PATTERN_H