Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;

** without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

** See the GNU Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

#ifndef ZABBIX_ZBXREGEXP_H

#define ZABBIX_ZBXREGEXP_H

​

#include "zbxalgo.h"

​

#define ZBX_REGEXP_NO_MATCH 0

#define ZBX_REGEXP_MATCH    1

#define ZBX_REGEXP_COMPILE_FAIL -1

#define ZBX_REGEXP_RUNTIME_FAIL -2  /* a regexp compiled successfully but an error occurred during matching */

​

#define ZBX_IGNORE_CASE     0

#define ZBX_CASE_SENSITIVE  1

​

typedef enum {

    ZBX_REGEXP_GROUP_CHECK_DISABLE,

    ZBX_REGEXP_GROUP_CHECK_ENABLE

}

zbx_regexp_group_check_t;

​

typedef struct zbx_regexp zbx_regexp_t;

​

typedef struct

{

    char        *name;

    char        *expression;

    int     expression_type;

    char        exp_delimiter;

    unsigned char   case_sensitive;

}

zbx_expression_t;

​

ZBX_PTR_VECTOR_DECL(expression, zbx_expression_t *)

​

/* regular expressions */

int zbx_regexp_compile(const char *pattern, zbx_regexp_t **regexp, char **err_msg);

int zbx_regexp_compile_ext(const char *pattern, zbx_regexp_t **regexp, int flags, char **err_msg);

void    zbx_regexp_free(zbx_regexp_t *regexp);

int zbx_regexp_match_precompiled(const char *string, const zbx_regexp_t *regexp);

int zbx_regexp_match_precompiled2(const char *string, const zbx_regexp_t *regexp, char **err_msg);

char    *zbx_regexp_match(const char *string, const char *pattern, int *len);

int zbx_regexp_sub(const char *string, const char *pattern, const char *output_template, char **out);

int zbx_mregexp_sub(const char *string, const char *pattern, const char *output_template,

        zbx_regexp_group_check_t group_check, char **out);

int zbx_iregexp_sub(const char *string, const char *pattern, const char *output_template, char **out);

int zbx_mregexp_sub_precompiled(const char *string, const zbx_regexp_t *regexp, const char *output_template,

        size_t limit, char **out);

int zbx_regexp_repl(const char *string, const char *pattern, const char *repl_template, char **out);

void    zbx_regexp_clean_expressions(zbx_vector_expression_t *expressions);

​

void    zbx_add_regexp_ex(zbx_vector_expression_t *regexps, const char *name, const char *expression,

        int expression_type, char exp_delimiter, int case_sensitive);

int zbx_regexp_match_ex(const zbx_vector_expression_t *regexps, const char *string, const char *pattern,

        int case_sensitive);

int zbx_regexp_sub_ex(const zbx_vector_expression_t *regexps, const char *string, const char *pattern,

        int case_sensitive, const char *output_template, char **output);

int zbx_regexp_sub_ex2(const zbx_vector_expression_t *regexps, const char *string, const char *pattern,

        int case_sensitive, const char *output_template, char **output, char **err_msg);

int zbx_global_regexp_exists(const char *name, const zbx_vector_expression_t *regexps);

void    zbx_regexp_escape(char **string);

​

/* wildcards */

void    zbx_wildcard_minimize(char *str);

int zbx_wildcard_match(const char *value, const char *wildcard);

​

void    zbx_init_regexp_env(void);

​

#endif /* ZABBIX_ZBXREGEXP_H */