include/linux/textsearch_fsm.h

   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