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Member "n2n-3.1.1/include/n2n_regex.h" (31 Mar 2022, 2324 Bytes) of package /linux/misc/n2n-3.1.1.tar.gz:

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    1 /**
    2  * (C) 2007-22 - ntop.org and contributors
    3  *
    4  * This program is free software; you can redistribute it and/or modify
    5  * it under the terms of the GNU General Public License as published by
    6  * the Free Software Foundation; either version 3 of the License, or
    7  * (at your option) any later version.
    8  *
    9  * This program is distributed in the hope that it will be useful,
   10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
   12  * GNU General Public License for more details.
   13  *
   14  * You should have received a copy of the GNU General Public License
   15  * along with this program; if not see see <http://www.gnu.org/licenses/>
   16  *
   17  */
   18 
   19 // taken from https://github.com/kokke/tiny-regex-c
   20 // under Unlicense as of August 4, 2020
   21 
   22 /*
   23  *
   24  * Mini regex-module inspired by Rob Pike's regex code described in:
   25  *
   26  * http://www.cs.princeton.edu/courses/archive/spr09/cos333/beautiful.html
   27  *
   28  *
   29  *
   30  * Supports:
   31  * ---------
   32  *     '.'        Dot, matches any character
   33  *     '^'        Start anchor, matches beginning of string
   34  *     '$'        End anchor, matches end of string
   35  *     '*'        Asterisk, match zero or more (greedy)
   36  *     '+'        Plus, match one or more (greedy)
   37  *     '?'        Question, match zero or one (non-greedy)
   38  *     '[abc]'    Character class, match if one of {'a', 'b', 'c'}
   39  *     '[^abc]'   Inverted class, match if NOT one of {'a', 'b', 'c'} -- NOTE: feature is currently broken!
   40  *     '[a-zA-Z]' Character ranges, the character set of the ranges { a-z | A-Z }
   41  *     '\s'       Whitespace, \t \f \r \n \v and spaces
   42  *     '\S'       Non-whitespace
   43  *     '\w'       Alphanumeric, [a-zA-Z0-9_]
   44  *     '\W'       Non-alphanumeric
   45  *     '\d'       Digits, [0-9]
   46  *     '\D'       Non-digits
   47  *
   48  *
   49  */
   50 
   51 #ifndef _N2N_REGEX_
   52 #define _N2N_REGEX_
   53 
   54 #ifdef __cplusplus
   55 extern "C" {
   56 #endif
   57 
   58 #include <stdio.h>
   59 
   60 /* Compile regex string pattern to a regex_t-array. */
   61 re_t re_compile (const char* pattern);
   62 
   63 
   64 /* Find matches of the compiled pattern inside text. */
   65 int re_matchp (re_t pattern, const char* text, int* matchlenght);
   66 
   67 
   68 /* Find matches of the txt pattern inside text (will compile automatically first). */
   69 int  re_match (const char* pattern, const char* text, int* matchlenght);
   70 
   71 
   72 #ifdef __cplusplus
   73 }
   74 #endif
   75 
   76 #endif