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annotate th_regex.h @ 652:38a9302962f7

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Always compile the regex code, but do not run tests on it unless enabled.
author Matti Hamalainen <ccr@tnsp.org>
date Sat, 25 Jan 2020 13:18:38 +0200
parents 18fe45e61b2b
children ae601363fdad
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1 /*
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2 * Simple regular expression matching functionality
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3 * Programmed and designed by Matti 'ccr' Hamalainen
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4 * (C) Copyright 2020 Tecnic Software productions (TNSP)
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5 *
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6 * Please read file 'COPYING' for information on license and distribution.
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7 */
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8 #ifndef TH_REGEX_H
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9 #define TH_REGEX_H
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10
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11 #include "th_types.h"
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12 #include "th_datastruct.h"
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13 #include "th_ioctx.h"
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16 #ifdef __cplusplus
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17 extern "C" {
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18 #endif
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21 //
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22 // Definitions
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23 //
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25 // Character type
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26 typedef char th_regex_char_t;
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28
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29 // Structure containing the compiled regular expression
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30 struct th_regex_t;
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31 typedef struct th_regex_t th_regex_t;
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34 // Linked list structure for returned match sequences
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35 typedef struct
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36 {
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37 th_llist_t node;
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38 size_t start, len;
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39 } th_regex_match_t;
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40
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41
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42 // Flags for th_regex_match()
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43 // (not actually used or supported yet :D)
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44 enum
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45 {
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46 TH_REF_CASEFOLD = 0x0001,
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47 TH_REF_ANCHORED = 0x0002,
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48 };
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50
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51 #ifdef TH_EXPERIMENTAL_REGEX_DEBUG
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52 extern th_ioctx *th_dbg_fh;
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53 #endif
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56 //
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57 // Functions
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58 //
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59 int th_regex_compile(th_regex_t **pexpr, const th_regex_char_t *pattern);
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60 void th_regex_free(th_regex_t *expr);
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61 void th_regex_dump(th_ioctx *fh, const int level, const th_regex_t *expr);
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63 int th_regex_match(const th_regex_t *expr, const th_regex_char_t *haystack,
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64 size_t *pnmatches, th_regex_match_t **pmatches, const size_t maxmatches,
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65 const int flags);
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67 void th_regex_free_matches(th_regex_match_t *matches);
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70 #ifdef __cplusplus
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71 }
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72 #endif
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73 #endif // TH_REGEX_H