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