| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 2017 Mark Wooding |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file lib/regexp.h |
| 19 | * @brief Regular expressions |
| 20 | */ |
| 21 | #ifndef REGEXP_H |
| 22 | #define REGEXP_H |
| 23 | |
| 24 | #if defined(HAVE_LIBPCRE2) |
| 25 | # ifndef PCRE2_CODE_UNIT_WIDTH |
| 26 | # define PCRE2_CODE_UNIT_WIDTH 8 |
| 27 | # endif |
| 28 | # include <pcre2.h> |
| 29 | typedef pcre2_code regexp; |
| 30 | # define RXF_CASELESS PCRE2_CASELESS |
| 31 | # define RXERR_NOMATCH PCRE2_ERROR_NOMATCH |
| 32 | #elif defined(HAVE_PCRE_H) |
| 33 | # include <pcre.h> |
| 34 | typedef pcre regexp; |
| 35 | # define RXF_CASELESS PCRE_CASELESS |
| 36 | # define RXERR_NOMATCH PCRE_ERROR_NOMATCH |
| 37 | #else |
| 38 | # error "no supported regular expression library found" |
| 39 | #endif |
| 40 | |
| 41 | void regexp_setup(void); |
| 42 | |
| 43 | #define RXCERR_LEN 128 |
| 44 | regexp *regexp_compile(const char *pat, unsigned f, |
| 45 | char *errbuf, size_t errlen, size_t *erroff_out); |
| 46 | |
| 47 | int regexp_match(const regexp *re, const char *s, size_t n, unsigned f, |
| 48 | size_t *ov, size_t on); |
| 49 | |
| 50 | void regexp_free(regexp *re); |
| 51 | |
| 52 | #endif /* REGEXP_H */ |
| 53 | |
| 54 | /* |
| 55 | Local Variables: |
| 56 | c-basic-offset:2 |
| 57 | comment-column:40 |
| 58 | End: |
| 59 | */ |