Mercurial > hg > th-libs

annotate th_regex.h @ 622:6d99150a8f89

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Some more slight Doxygenisation.
author Matti Hamalainen <ccr@tnsp.org>
date Fri, 17 Jan 2020 04:16:32 +0200
parents a0e8d9c6300b
children d191ded8a790
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
605
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
1 /*
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
2 * Simple regular expression matching functionality
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
3 * Programmed and designed by Matti 'ccr' Hamalainen
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
4 * (C) Copyright 2020 Tecnic Software productions (TNSP)
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
5 *
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
6 * Please read file 'COPYING' for information on license and distribution.
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
7 */
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
8 #ifdef TH_EXPERIMENTAL_REGEX
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
9
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
10 #ifndef TH_REGEX_H
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
11 #define TH_REGEX_H
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
12
610
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
13 #include "th_types.h"
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
14 #include "th_datastruct.h"
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
15
605
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
16
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
17 #ifdef __cplusplus
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
18 extern "C" {
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
19 #endif
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
20
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
21 //
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
22 // Definitions
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
23 //
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
24 // Character type
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
25 typedef char th_regex_char;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
26
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
27
610
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
28 enum
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
29 {
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
30 TH_REF_CASEFOLD = 0x0001,
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
31 TH_REF_ANCHORED = 0x0002,
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
32 };
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
33
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
34
605
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
35 struct th_regex_ctx;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
36
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
37 typedef struct
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
38 {
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
39 int mode, type;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
40 ssize_t repeatMin, repeatMax;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
41
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
42 union
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
43 {
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
44 th_regex_char chr;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
45
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
46 struct
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
47 {
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
48 size_t nchars;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
49 th_regex_char *chars;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
50 } list;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
51
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
52 struct th_regex_ctx *expr;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
53 } match;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
54 } th_regex_node;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
55
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
56
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
57 typedef struct th_regex_ctx
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
58 {
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
59 size_t nnodes, nodessize;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
60 th_regex_node *nodes;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
61 } th_regex_ctx;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
62
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
63
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
64 typedef struct
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
65 {
610
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
66 th_llist_t node;
605
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
67 size_t start, len;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
68 } th_regex_match_node;
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
69
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
70
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
71 //
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
72 // Functions
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
73 //
610
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
74 int th_regex_compile(th_regex_ctx **pexpr, const th_regex_char *pattern);
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
75 void th_regex_free(th_regex_ctx *expr);
605
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
76
610
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
77 int th_regex_match(const th_regex_ctx *expr, const th_regex_char *haystack,
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
78 size_t *pnmatches, th_regex_match_node **pmatches, const size_t maxmatches,
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
79 const int flags);
a0e8d9c6300b A bit more work on the regex stuff.
Matti Hamalainen <ccr@tnsp.org>
parents: 605
diff changeset
80 void th_regex_free_matches(th_regex_match_node *matches);
605
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
81
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
82
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
83 #ifdef __cplusplus
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
84 }
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
85 #endif
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
86 #endif // TH_REGEX_H
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
87
566e6ef41f9d Initial commit of the highly experimental and unfinished regular expression
Matti Hamalainen <ccr@tnsp.org>
parents:
diff changeset
88 #endif // TH_EXPERIMENTAL_REGEX