oscap_pcre.h

/*
 * Copyright 2023 Red Hat Inc., Durham, North Carolina.
 * All Rights Reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * Authors:
 *      Evgenii Kolesnikov <ekolesni@redhat.com>
 */
 
#ifndef OSCAP_PCRE_
#define OSCAP_PCRE_
 
typedef struct oscap_pcre oscap_pcre_t;
 
typedef enum {
        OSCAP_PCRE_OPTS_NONE                        = 0x0001,
        OSCAP_PCRE_OPTS_UTF8                        = 0x0002,
        OSCAP_PCRE_OPTS_MULTILINE                   = 0x0004,
        OSCAP_PCRE_OPTS_DOTALL                      = 0x0008,
        OSCAP_PCRE_OPTS_CASELESS                    = 0x0010,
        OSCAP_PCRE_OPTS_NO_UTF8_CHECK               = 0x0020,
        OSCAP_PCRE_OPTS_PARTIAL                     = 0x0040,
} oscap_pcre_options_t;
 
typedef enum {
        OSCAP_PCRE_ERR_NOMATCH                      = -1,
        OSCAP_PCRE_ERR_PARTIAL                      = -2,
        OSCAP_PCRE_ERR_BADPARTIAL                   = -3,
        OSCAP_PCRE_ERR_BADUTF8                      = -10,
        OSCAP_PCRE_ERR_RECURSIONLIMIT               = -21,
        OSCAP_PCRE_ERR_UNKNOWN                      = -100,
} oscap_pcre_error_t;
 
 
oscap_pcre_t* oscap_pcre_compile(const char *pattern, oscap_pcre_options_t options,
                                 char **errptr, int *erroffset);
 
int oscap_pcre_exec(const oscap_pcre_t *opcre, const char *subject,
                    int length, int startoffset, oscap_pcre_options_t options,
                    int *ovector, int ovecsize);
 
void oscap_pcre_free(oscap_pcre_t *opcre);
 
void oscap_pcre_set_match_limit_recursion(oscap_pcre_t *opcre, unsigned long limit);
 
int oscap_pcre_get_substrings(char *str, int *ofs, oscap_pcre_t *re, int want_substrs, char ***substrings);
 
void oscap_pcre_err_free(char *err);
 
#endif