/*
 * Copyright (C) Igor Sysoev
 */


#ifndef _NGX_REGEX_H_INCLUDED_
#define _NGX_REGEX_H_INCLUDED_


#include <ngx_config.h>
#include <ngx_core.h>

#include <pcre.h>


#define NGX_REGEX_NO_MATCHED  PCRE_ERROR_NOMATCH   /* -1 */

#define NGX_REGEX_CASELESS    PCRE_CASELESS

typedef pcre  ngx_regex_t;

typedef struct {
    ngx_regex_t   *regex;
    u_char        *name;
} ngx_regex_elt_t;


void ngx_regex_init(void);
ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options,
    ngx_pool_t *pool, ngx_str_t *err);
ngx_int_t ngx_regex_capture_count(ngx_regex_t *re);

#define ngx_regex_exec(re, s, captures, size)                                \
    pcre_exec(re, NULL, (const char *) (s)->data, (s)->len, 0, 0,            \
              captures, size)

ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log);


#define ngx_regex_exec_n           "pcre_exec()"
#define ngx_regex_capture_count_n  "pcre_fullinfo()"


#endif /* _NGX_REGEX_H_INCLUDED_ */