1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 #ifndef __LINUX_TEXTSEARCH_FSM_H
3 #define __LINUX_TEXTSEARCH_FSM_H
4
5 #include <linux/types.h>
6
7 enum {
8 TS_FSM_SPECIFIC, /* specific ch
9 TS_FSM_WILDCARD, /* any charact
10 TS_FSM_DIGIT, /* isdigit() *
11 TS_FSM_XDIGIT, /* isxdigit()
12 TS_FSM_PRINT, /* isprint() *
13 TS_FSM_ALPHA, /* isalpha() *
14 TS_FSM_ALNUM, /* isalnum() *
15 TS_FSM_ASCII, /* isascii() *
16 TS_FSM_CNTRL, /* iscntrl() *
17 TS_FSM_GRAPH, /* isgraph() *
18 TS_FSM_LOWER, /* islower() *
19 TS_FSM_UPPER, /* isupper() *
20 TS_FSM_PUNCT, /* ispunct() *
21 TS_FSM_SPACE, /* isspace() *
22 __TS_FSM_TYPE_MAX,
23 };
24 #define TS_FSM_TYPE_MAX (__TS_FSM_TYPE_MAX - 1
25
26 enum {
27 TS_FSM_SINGLE, /* 1 occurrenc
28 TS_FSM_PERHAPS, /* 1 or 0 occu
29 TS_FSM_ANY, /* 0..n occurr
30 TS_FSM_MULTI, /* 1..n occurr
31 TS_FSM_HEAD_IGNORE, /* 0..n ignore
32 __TS_FSM_RECUR_MAX,
33 };
34 #define TS_FSM_RECUR_MAX (__TS_FSM_RECUR_MAX -
35
36 /**
37 * struct ts_fsm_token - state machine token (
38 * @type: type of token
39 * @recur: number of recurrences
40 * @value: character value for TS_FSM_SPECIFIC
41 */
42 struct ts_fsm_token
43 {
44 __u16 type;
45 __u8 recur;
46 __u8 value;
47 };
48
49 #endif
50
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