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