/* the biggie, a compiled RE (or rather, a front end to same) */ typedefstruct
{ int re_magic; /* magic number */
size_t re_nsub; /* number of subexpressions */ long re_info; /* bitmask of the following flags: */ #define REG_UBACKREF 000001/* has back-reference (\n) */ #define REG_ULOOKAROUND 000002/* has lookahead/lookbehind constraint */ #define REG_UBOUNDS 000004/* has bounded quantifier ({m,n}) */ #define REG_UBRACES 000010/* has { that doesn't begin a quantifier */ #define REG_UBSALNUM 000020/* has backslash-alphanumeric in non-ARE */ #define REG_UPBOTCH 000040/* has unmatched right paren in ERE (legal
* per spec, but that was a mistake) */ #define REG_UBBS 000100/* has backslash within bracket expr */ #define REG_UNONPOSIX 000200/* has any construct that extends POSIX */ #define REG_UUNSPEC 000400/* has any case disallowed by POSIX, e.g.
* an empty branch */ #define REG_UUNPORT 001000/* has numeric character code dependency */ #define REG_ULOCALE 002000/* has locale dependency */ #define REG_UEMPTYMATCH 004000/* can match a zero-length string */ #define REG_UIMPOSSIBLE 010000/* provably cannot match anything */ #define REG_USHORTEST 020000/* has non-greedy quantifier */ int re_csize; /* sizeof(character) */ char *re_endp; /* backward compatibility kludge */
Oid re_collation; /* Collation that defines LC_CTYPE behavior */ /* the rest is opaque pointers to hidden innards */ char *re_guts; /* `char *' is more portable than `void *' */ char *re_fns;
} pg_regex_t;
/* result reporting (may acquire more fields later) */ typedefstruct
{
pg_regoff_t rm_so; /* start of substring */
pg_regoff_t rm_eo; /* end of substring */
} pg_regmatch_t;
/* supplementary control and reporting */ typedefstruct
{
pg_regmatch_t rm_extend; /* see REG_EXPECT */
} rm_detail_t;
/* *regexcompilationflags
*/ #define REG_BASIC 000000/* BREs (convenience) */ #define REG_EXTENDED 000001/* EREs */ #define REG_ADVF 000002/* advanced features in EREs */ #define REG_ADVANCED 000003/* AREs (which are also EREs) */ #define REG_QUOTE 000004/* no special characters, none */ #define REG_NOSPEC REG_QUOTE /* historical synonym */ #define REG_ICASE 000010/* ignore case */ #define REG_NOSUB 000020/* caller doesn't need subexpr match data */ #define REG_EXPANDED 000040/* expanded format, white space & comments */ #define REG_NLSTOP 000100/* \n doesn't match . or [^ ] */ #define REG_NLANCH 000200/* ^ matches after \n, $ before */ #define REG_NEWLINE 000300/* newlines are line terminators */ #define REG_PEND 000400/* ugh -- backward-compatibility hack */ #define REG_EXPECT 001000/* report details on partial/limited matches */ #define REG_BOSONLY 002000/* temporary kludge for BOS-only matches */ #define REG_DUMP 004000/* none of your business :-) */ #define REG_FAKE 010000/* none of your business :-) */ #define REG_PROGRESS 020000/* none of your business :-) */
/* *regexexecutionflags
*/ #define REG_NOTBOL 0001/* BOS is not BOL */ #define REG_NOTEOL 0002/* EOS is not EOL */ #define REG_STARTEND 0004/* backward compatibility kludge */ #define REG_FTRACE 0010/* none of your business */ #define REG_MTRACE 0020/* none of your business */ #define REG_SMALL 0040/* none of your business */
/* *errorreporting *Becarefulifmodifyingthelistoferrorcodes--thetableusedby *regerror()isgeneratedautomaticallyfromthisfile!
*/ #define REG_OKAY 0/* no errors detected */ #define REG_NOMATCH 1/* failed to match */ #define REG_BADPAT 2/* invalid regexp */ #define REG_ECOLLATE 3/* invalid collating element */ #define REG_ECTYPE 4/* invalid character class */ #define REG_EESCAPE 5/* invalid escape \ sequence */ #define REG_ESUBREG 6/* invalid backreference number */ #define REG_EBRACK 7/* brackets [] not balanced */ #define REG_EPAREN 8/* parentheses () not balanced */ #define REG_EBRACE 9/* braces {} not balanced */ #define REG_BADBR 10/* invalid repetition count(s) */ #define REG_ERANGE 11/* invalid character range */ #define REG_ESPACE 12/* out of memory */ #define REG_BADRPT 13/* quantifier operand invalid */ #define REG_ASSERT 15/* "can't happen" -- you found a bug */ #define REG_INVARG 16/* invalid argument to regex function */ #define REG_MIXED 17/* character widths of regex and string differ */ #define REG_BADOPT 18/* invalid embedded option */ #define REG_ETOOBIG 19/* regular expression is too complex */ #define REG_ECOLORS 20/* too many colors */ /* two specials for debugging and testing */ #define REG_ATOI 101/* convert error-code name to number */ #define REG_ITOA 102/* convert error-code number to name */ /* non-error result codes for pg_regprefix */ #define REG_PREFIX (-1) /* identified a common prefix */ #define REG_EXACT (-2) /* identified an exact match */
/* Redirect the standard typenames to our typenames. */ #define regoff_t pg_regoff_t #define regex_t pg_regex_t #define regmatch_t pg_regmatch_t
/* regexp.c */ extern regex_t *RE_compile_and_cache(text *text_re, int cflags, Oid collation); externbool RE_compile_and_execute(text *text_re, char *dat, int dat_len, int cflags, Oid collation, int nmatch, regmatch_t *pmatch);
#endif/* _PG_REGEX_H_ */
Messung V0.5 in Prozent
[Verzeichnis aufwärts0.18unsichere VerbindungÜbersetzung europäischer Sprachen durch Browser2026-08-05]