/*
  *  Parse a regular expression, and extract a static suffix.
  *

  *  Copyright (C) 2013-2021 Cisco Systems, Inc. and/or its affiliates. All rights reserved.

  *  Copyright (C) 2007-2013 Sourcefire, Inc.

  *
  *  Authors: Török Edvin
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License version 2 as
  *  published by the Free Software Foundation.
  *
  *  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 General Public License for more details.
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  *  MA 02110-1301, USA.
  */
 #ifndef REGEX_SUFFIX_H
 #define REGEX_SUFFIX_H
 #include "regex/regex.h"
 
 struct regex_list {

     char *pattern;
     regex_t *preg;
     struct regex_list *nxt;

 };

 typedef cl_error_t (*suffix_callback)(void *cbdata, const char *suffix, size_t len, const struct regex_list *regex);

 
 /**
  * @brief Build a suffix tree given a regex pattern
  *
  * @param pattern The regex pattern
  * @param pregs
  * @param cb
  * @param cbdata
  * @return cl_error_t May return a clam error type or may return a regex error integer.
  *         TODO: separate regex error code from clam error code into out param.
  */

 cl_error_t cli_regex2suffix(const char *pattern, regex_t *preg, suffix_callback cb, void *cbdata);

 #endif