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beee9b4a26
The `--enable-pcreposix` configure option was not actually compiling properly. Follow pre-existing pattern for inclusion of regex.h or the pcreposix.h header. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
162 lines
3.8 KiB
C
162 lines
3.8 KiB
C
/*
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* FRR string processing utilities.
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* Copyright (C) 2018 Cumulus Networks, Inc.
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* Quentin Young
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _FRRSTR_H_
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#define _FRRSTR_H_
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#include <sys/types.h>
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#include <sys/types.h>
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#ifdef HAVE_LIBPCREPOSIX
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#include <pcreposix.h>
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#else
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#include <regex.h>
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#endif /* HAVE_LIBPCREPOSIX */
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#include <stdbool.h>
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#include "vector.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Tokenizes a string, storing tokens in a vector. Whitespace is ignored.
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* Delimiter characters are not included.
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*
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* string
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* The string to split
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*
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* delimiter
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* Delimiter string, as used in strsep()
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*
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* Returns:
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* The split string. Each token is allocated with MTYPE_TMP.
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*/
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void frrstr_split(const char *string, const char *delimiter, char ***result,
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int *argc);
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vector frrstr_split_vec(const char *string, const char *delimiter);
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/*
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* Concatenate string array into a single string.
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*
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* argv
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* array of string pointers to concatenate
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*
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* argc
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* array length
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*
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* join
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* string to insert between each part, or NULL for nothing
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*
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* Returns:
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* the joined string, allocated with MTYPE_TMP
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*/
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char *frrstr_join(const char **parts, int argc, const char *join);
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char *frrstr_join_vec(vector v, const char *join);
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/*
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* Filter string vector.
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* Removes lines that do not contain a match for the provided regex.
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*
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* v
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* The vector to filter.
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*
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* filter
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* Regex to filter with.
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*/
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void frrstr_filter_vec(vector v, regex_t *filter);
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/*
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* Free allocated string vector.
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* Assumes each item is allocated with MTYPE_TMP.
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*
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* v
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* the vector to free
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*/
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void frrstr_strvec_free(vector v);
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/*
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* Given a string, replaces all occurrences of a substring with a different
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* string. The result is a new string. The original string is not modified.
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*
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* If 'replace' is longer than 'find', this function performs N+1 allocations,
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* where N is the number of times 'find' occurs in 'str'. If 'replace' is equal
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* in length or shorter than 'find', only 1 allocation is performed.
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*
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* str
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* String to perform replacement on.
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*
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* find
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* Substring to replace.
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*
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* replace
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* String to replace 'find' with.
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*
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* Returns:
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* A new string, allocated with MTYPE_TMP, that is the result of performing
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* the replacement on 'str'. This must be freed by the caller.
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*/
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char *frrstr_replace(const char *str, const char *find, const char *replace);
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/*
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* Prefix match for string.
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*
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* str
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* string to check for prefix match
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*
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* prefix
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* prefix to look for
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*
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* Returns:
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* true if str starts with prefix, false otherwise
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*/
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bool frrstr_startswith(const char *str, const char *prefix);
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/*
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* Suffix match for string.
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*
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* str
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* string to check for suffix match
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*
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* suffix
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* suffix to look for
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*
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* Returns:
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* true if str ends with suffix, false otherwise
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*/
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bool frrstr_endswith(const char *str, const char *suffix);
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/*
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* Check the string only contains digit characters.
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*
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* str
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* string to check for digits
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*
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* Returns:
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* 1 str only contains digit characters, 0 otherwise
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*/
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int all_digit(const char *str);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FRRSTR_H_ */
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