64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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#pragma once
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#include <jemalloc/jemalloc.h>
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#include <regex.h>
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/**
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* Regex structure.
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*/
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typedef struct {
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regex_t expr;
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unsigned nmatches;
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char **matches;
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} ksregex;
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/**
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* Create a ksregex from an expression.
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* @param expression - the expression to compile.
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* @param nmatches - the number of matches groups to get, 0 if you want none.
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* @param flags - regex flags.
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* @return - the created regex, NULL if an error happen.
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*/
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ksregex* ksregex_new(const char *expression, unsigned nmatches, int flags);
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/**
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* Create a ksregex from an expression with 0 match group.
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* @param expression - the expression to compile.
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* @param flags - regex flags.
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*/
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static inline ksregex* ksregex_new_nogroup(const char *expression, int flags)
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{ return ksregex_new(expression, 0, flags); }
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/**
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* Try to match the regex with a tested string.
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* @param regex - the regex to match.
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* @param tested - the string that should match the regex.
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* @return - true if the string matches, false otherwise.
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*/
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bool ksregex_matches(ksregex *regex, const char *tested);
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/**
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* Free ksregex matches.
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*/
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static inline void _ksregex_free_matches(ksregex *regex)
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{
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if (regex->matches)
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{
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// free all matches.
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for (unsigned i = 0; i < regex->nmatches; i++) free(regex->matches[i]);
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// free matches array.
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free(regex->matches);
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regex->matches = NULL;
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}
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}
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/**
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* Free a ksregex.
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*/
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static inline void ksregex_free(ksregex *regex)
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{
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// free matches groups.
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_ksregex_free_matches(regex);
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free(regex); // free regex data.
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}
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