Mercurial > hg > th-libs
view th_regex.h @ 645:b897995101b7
More fiddling and twiddling. Add parsing to string nodes instead of separate character nodes.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sat, 25 Jan 2020 05:11:40 +0200 |
parents | 9e1f9e1d1487 |
children | 18fe45e61b2b |
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/* * Simple regular expression matching functionality * Programmed and designed by Matti 'ccr' Hamalainen * (C) Copyright 2020 Tecnic Software productions (TNSP) * * Please read file 'COPYING' for information on license and distribution. */ #ifdef TH_EXPERIMENTAL_REGEX #ifndef TH_REGEX_H #define TH_REGEX_H #include "th_types.h" #include "th_datastruct.h" #ifdef __cplusplus extern "C" { #endif // // Definitions // // Character type typedef char th_regex_char_t; // Structure containing the compiled regular expression struct th_regex_t; typedef struct th_regex_t th_regex_t; // Linked list structure for returned match sequences typedef struct { th_llist_t node; size_t start, len; } th_regex_match_t; // Flags for th_regex_match() // (not actually used or supported yet :D) enum { TH_REF_CASEFOLD = 0x0001, TH_REF_ANCHORED = 0x0002, }; #ifdef TH_EXPERIMENTAL_REGEX_DEBUG extern BOOL th_dbg_re_flags; #endif // // Functions // int th_regex_compile(th_regex_t **pexpr, const th_regex_char_t *pattern); void th_regex_free(th_regex_t *expr); void th_regex_dump(FILE *fh, const int level, const th_regex_t *expr); int th_regex_match(const th_regex_t *expr, const th_regex_char_t *haystack, size_t *pnmatches, th_regex_match_t **pmatches, const size_t maxmatches, const int flags); void th_regex_free_matches(th_regex_match_t *matches); #ifdef __cplusplus } #endif #endif // TH_REGEX_H #endif // TH_EXPERIMENTAL_REGEX