include/linux/textsearch_fsm.h

   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