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40 lines
621 B
C
40 lines
621 B
C
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/*
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* Copyright (C) 2001 Sistina Software (UK) Limited.
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*
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* This file is released under the GPL.
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*/
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#ifndef _LVM_PARSE_REGEX_H
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#define _LVM_PARSE_REGEX_H
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#include "bitset.h"
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enum {
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CAT,
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STAR,
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PLUS,
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OR,
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QUEST,
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CHARSET,
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HAT,
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DOLLAR
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};
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struct rx_node {
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int type;
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bitset_t charset;
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struct rx_node *left, *right;
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/* used to build the dfa for the toker */
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int nullable, final;
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bitset_t firstpos;
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bitset_t lastpos;
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bitset_t followpos;
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};
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struct rx_node *rx_parse_str(struct pool *mem, const char *str);
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struct rx_node *rx_parse_tok(struct pool *mem,
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const char *begin, const char *end);
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#endif
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