textsearch_fsm.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_TEXTSEARCH_FSM_H
#define __LINUX_TEXTSEARCH_FSM_H
#include <linux/types.h>
enum {
TS_FSM_SPECIFIC, /* specific character */
TS_FSM_WILDCARD, /* any character */
TS_FSM_DIGIT, /* isdigit() */
TS_FSM_XDIGIT, /* isxdigit() */
TS_FSM_PRINT, /* isprint() */
TS_FSM_ALPHA, /* isalpha() */
TS_FSM_ALNUM, /* isalnum() */
TS_FSM_ASCII, /* isascii() */
TS_FSM_CNTRL, /* iscntrl() */
TS_FSM_GRAPH, /* isgraph() */
TS_FSM_LOWER, /* islower() */
TS_FSM_UPPER, /* isupper() */
TS_FSM_PUNCT, /* ispunct() */
TS_FSM_SPACE, /* isspace() */
__TS_FSM_TYPE_MAX,
};
#define TS_FSM_TYPE_MAX (__TS_FSM_TYPE_MAX - 1)
enum {
TS_FSM_SINGLE, /* 1 occurrence */
TS_FSM_PERHAPS, /* 1 or 0 occurrence */
TS_FSM_ANY, /* 0..n occurrences */
TS_FSM_MULTI, /* 1..n occurrences */
TS_FSM_HEAD_IGNORE, /* 0..n ignored occurrences at head */
__TS_FSM_RECUR_MAX,
};
#define TS_FSM_RECUR_MAX (__TS_FSM_RECUR_MAX - 1)
/**
* struct ts_fsm_token - state machine token (state)
* @type: type of token
* @recur: number of recurrences
* @value: character value for TS_FSM_SPECIFIC
*/
struct ts_fsm_token
{
__u16 type;
__u8 recur;
__u8 value;
};
#endif