https://perl5.git.perl.org / perl5.git / blame
| Commit | Line | Data |
|---|---|---|
| a0ed51b3 LW |
1 | /* utf8.h |
| 2 | * | |
| 4eb8286e | 3 | * Copyright (c) 1998-1999, Larry Wall |
| a0ed51b3 LW |
4 | * |
| 5 | * You may distribute under the terms of either the GNU General Public | |
| 6 | * License or the Artistic License, as specified in the README file. | |
| 7 | * | |
| 8 | */ | |
| 9 | ||
| 73c4f7a1 GS |
10 | START_EXTERN_C |
| 11 | ||
| a0ed51b3 | 12 | #ifdef DOINIT |
| 6f06b55f | 13 | EXTCONST unsigned char PL_utf8skip[] = { |
| a0ed51b3 LW |
14 | 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 */ |
| 15 | 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 */ | |
| 16 | 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 */ | |
| 17 | 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 */ | |
| 18 | 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 */ | |
| 19 | 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 */ | |
| 20 | 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 */ | |
| 21 | 3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,7,8, /* cjk etc. */ | |
| 22 | }; | |
| 23 | #else | |
| 6f06b55f | 24 | EXTCONST unsigned char PL_utf8skip[]; |
| a0ed51b3 LW |
25 | #endif |
| 26 | ||
| 73c4f7a1 GS |
27 | END_EXTERN_C |
| 28 | ||
| 393fec97 | 29 | /*#define IN_UTF8 (PL_curcop->op_private & HINT_UTF8)*/ |
| 5bc28da9 | 30 | #define IN_BYTE (PL_curcop->op_private & HINT_BYTE) |
| 7e2040f0 | 31 | #define DO_UTF8(sv) (SvUTF8(sv) && !IN_BYTE) |
| a0ed51b3 | 32 | |
| 6f06b55f | 33 | #define UTF8SKIP(s) PL_utf8skip[*(U8*)s] |
| 7e2040f0 GS |
34 | |
| 35 | /* | |
| 36 | * Note: we try to be careful never to call the isXXX_utf8() functions | |
| 37 | * unless we're pretty sure we've seen the beginning of a UTF-8 character | |
| 38 | * (that is, the two high bits are set). Otherwise we risk loading in the | |
| 39 | * heavy-duty SWASHINIT and SWASHGET routines unnecessarily. | |
| 40 | */ | |
| 41 | #define isIDFIRST_lazy_if(p,c) ((!c || (*((U8*)p) < 0xc0)) \ | |
| 42 | ? isIDFIRST(*(p)) \ | |
| 43 | : isIDFIRST_utf8((U8*)p)) | |
| 44 | #define isALNUM_lazy_if(p,c) ((!c || (*((U8*)p) < 0xc0)) \ | |
| 45 | ? isALNUM(*(p)) \ | |
| 46 | : isALNUM_utf8((U8*)p)) | |
| 47 | #define isIDFIRST_lazy(p) isIDFIRST_lazy_if(p,1) | |
| 48 | #define isALNUM_lazy(p) isALNUM_lazy_if(p,1) |