From 95d5e60afb29aedc29909340e7564d54a6a247c2 Mon Sep 17 00:00:00 2001 From: Niels de Vos Date: Thu, 1 Jan 2015 13:15:45 +0100 Subject: core: add generic parser utility This generic parser will get used for parsing the netgroups and exports files for the Gluster/NFS server. The parsing of netgroups shows how the parser can be used (see Change-Id Ie04800d4). BUG: 1143880 Change-Id: Id4cf2b0189ef5799c06868d211d3fcd9c8608c08 Original-author: Shreyas Siravara CC: Richard Wareing CC: Jiffin Tony Thottan Signed-off-by: Niels de Vos Reviewed-on: http://review.gluster.org/9359 Tested-by: Gluster Build System Reviewed-by: Vijay Bellur --- libglusterfs/src/parse-utils.h | 50 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 libglusterfs/src/parse-utils.h (limited to 'libglusterfs/src/parse-utils.h') diff --git a/libglusterfs/src/parse-utils.h b/libglusterfs/src/parse-utils.h new file mode 100644 index 00000000000..275ccf3153b --- /dev/null +++ b/libglusterfs/src/parse-utils.h @@ -0,0 +1,50 @@ +/* + Copyright 2014-present Facebook. All Rights Reserved + + This file is part of GlusterFS. + + Author : + Shreyas Siravara + + This file is licensed to you under your choice of the GNU Lesser + General Public License, version 3 or any later version (LGPLv3 or + later), or the GNU General Public License, version 2 (GPLv2), in all + cases as published by the Free Software Foundation. +*/ + +#ifndef _PARSE_UTILS_H +#define _PARSE_UTILS_H + +#include + +#define GF_PARSE "parse-utils" + +struct parser { + regex_t preg; /* Compiled regex */ + regmatch_t pmatch[1]; /* The match */ + char *complete_str; /* The string we are parsing */ + char *regex; /* Regex used to parse the string */ + char *_rstr; /* Temp string to hold offsets */ +}; + +/* Initializes some of the parsers variables */ +struct parser * +parser_init (const char *regex); + +/* Sets the string to parse */ +int +parser_set_string (struct parser *parser, const char *complete_str); + +/* Frees memory used by the string after all matches are found */ +int +parser_unset_string (struct parser *parser); + +/* Free memory used by the parser */ +void +parser_deinit (struct parser *ptr); + +/* Get the next matching string */ +char * +parser_get_next_match (struct parser *parser); + +#endif /* _PARSE_UTILS_H */ -- cgit