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75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
#ifndef R2_REGEX_H
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#define R2_REGEX_H
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#include <r_types.h>
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#include <sys/types.h>
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typedef struct r_regex_t {
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int re_magic;
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size_t re_nsub; /* number of parenthesized subexpressions */
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const char *re_endp; /* end pointer for R_REGEX_PEND */
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struct re_guts *re_g; /* none of your business :-) */
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} RRegex;
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typedef struct r_regmatch_t {
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off_t rm_so; /* start of match */
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off_t rm_eo; /* end of match */
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} RRegexMatch;
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typedef int regoff_t;
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/* regcomp() flags */
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#define R_REGEX_BASIC 0000
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#define R_REGEX_EXTENDED 0001
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#define R_REGEX_ICASE 0002
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#define R_REGEX_NOSUB 0004
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#define R_REGEX_NEWLINE 0010
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#define R_REGEX_NOSPEC 0020
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#define R_REGEX_PEND 0040
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#define R_REGEX_DUMP 0200
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/* regerror() flags */
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#define R_REGEX_ENOSYS (-1) /* Reserved */
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#define R_REGEX_NOMATCH 1
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#define R_REGEX_BADPAT 2
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#define R_REGEX_ECOLLATE 3
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#define R_REGEX_ECTYPE 4
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#define R_REGEX_EESCAPE 5
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#define R_REGEX_ESUBREG 6
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#define R_REGEX_EBRACK 7
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#define R_REGEX_EPAREN 8
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#define R_REGEX_EBRACE 9
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#define R_REGEX_BADBR 10
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#define R_REGEX_ERANGE 11
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#define R_REGEX_ESPACE 12
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#define R_REGEX_BADRPT 13
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#define R_REGEX_EMPTY 14
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#define R_REGEX_ASSERT 15
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#define R_REGEX_INVARG 16
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#define R_REGEX_ILLSEQ 17
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#define R_REGEX_ATOI 255 /* convert name to number (!) */
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#define R_REGEX_ITOA 0400 /* convert number to name (!) */
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/* regexec() flags */
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#define R_REGEX_NOTBOL 00001
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#define R_REGEX_NOTEOL 00002
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#define R_REGEX_STARTEND 00004
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#define R_REGEX_TRACE 00400 /* tracing of execution */
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#define R_REGEX_LARGE 01000 /* force large representation */
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#define R_REGEX_BACKR 02000 /* force use of backref code */
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R_API RRegex *r_regex_new (const char *pattern, const char *cflags);
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R_API int r_regex_run (const char *pattern, const char *flags, const char *text);
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R_API int r_regex_flags(const char *flags);
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R_API int r_regex_comp(RRegex*, const char *, int);
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R_API size_t r_regex_error(int, const RRegex*, char *, size_t);
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/*
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* gcc under c99 mode won't compile "[]" by itself. As a workaround,
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* a dummy argument name is added.
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*/
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R_API int r_regex_exec(const RRegex *, const char *, size_t, RRegexMatch __pmatch[], int);
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R_API void r_regex_free(RRegex *);
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R_API void r_regex_fini(RRegex *);
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#endif /* !_REGEX_H_ */
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