1 /* SPDX-License-Identifier: GPL-2.0 */ 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 character */ 9 TS_FSM_WILDCARD, /* any character */ 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 occurrence */ 28 TS_FSM_PERHAPS, /* 1 or 0 occurrence */ 29 TS_FSM_ANY, /* 0..n occurrences */ 30 TS_FSM_MULTI, /* 1..n occurrences */ 31 TS_FSM_HEAD_IGNORE, /* 0..n ignored occurrences at head */ 32 __TS_FSM_RECUR_MAX, 33 }; 34 #define TS_FSM_RECUR_MAX (__TS_FSM_RECUR_MAX - 1) 35 36 /** 37 * struct ts_fsm_token - state machine token (state) 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