name : 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