mirror of
https://github.com/freebsd/freebsd-src.git
synced 2024-12-05 10:09:30 +00:00
52 lines
1.9 KiB
C
52 lines
1.9 KiB
C
/* utf8.h
|
|
*
|
|
* Copyright (c) 1998-2000, Larry Wall
|
|
*
|
|
* You may distribute under the terms of either the GNU General Public
|
|
* License or the Artistic License, as specified in the README file.
|
|
*
|
|
*/
|
|
|
|
START_EXTERN_C
|
|
|
|
#ifdef DOINIT
|
|
EXTCONST unsigned char PL_utf8skip[] = {
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* ascii */
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus */
|
|
1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, /* bogus */
|
|
2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2, /* scripts */
|
|
3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6, /* cjk etc. */
|
|
7,13, /* Perl extended (not UTF-8). Up to 72bit allowed (64-bit + reserved). */
|
|
};
|
|
#else
|
|
EXTCONST unsigned char PL_utf8skip[];
|
|
#endif
|
|
|
|
END_EXTERN_C
|
|
|
|
#define UTF8_MAXLEN 13 /* how wide can a single UTF8 encoded character become */
|
|
|
|
/*#define IN_UTF8 (PL_curcop->op_private & HINT_UTF8)*/
|
|
#define IN_BYTE (PL_curcop->op_private & HINT_BYTE)
|
|
#define DO_UTF8(sv) (SvUTF8(sv) && !IN_BYTE)
|
|
|
|
#define UTF8SKIP(s) PL_utf8skip[*(U8*)s]
|
|
|
|
/*
|
|
* Note: we try to be careful never to call the isXXX_utf8() functions
|
|
* unless we're pretty sure we've seen the beginning of a UTF-8 character
|
|
* (that is, the two high bits are set). Otherwise we risk loading in the
|
|
* heavy-duty SWASHINIT and SWASHGET routines unnecessarily.
|
|
*/
|
|
#define isIDFIRST_lazy_if(p,c) ((!c || (*((U8*)p) < 0xc0)) \
|
|
? isIDFIRST(*(p)) \
|
|
: isIDFIRST_utf8((U8*)p))
|
|
#define isALNUM_lazy_if(p,c) ((!c || (*((U8*)p) < 0xc0)) \
|
|
? isALNUM(*(p)) \
|
|
: isALNUM_utf8((U8*)p))
|
|
#define isIDFIRST_lazy(p) isIDFIRST_lazy_if(p,1)
|
|
#define isALNUM_lazy(p) isALNUM_lazy_if(p,1)
|