ICU 56.1: utf_old.h Source File

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utf_old.h
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1 /*
2 *******************************************************************************
3 *
4 * Copyright (C) 2002-2012, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 *
7 *******************************************************************************
8 * file name: utf_old.h
9 * encoding: US-ASCII
10 * tab size: 8 (not used)
11 * indentation:4
12 *
13 * created on: 2002sep21
14 * created by: Markus W. Scherer
15 */
16
143 #ifndef __UTF_OLD_H__
144 #define __UTF_OLD_H__
145
146 #ifndef U_HIDE_DEPRECATED_API
147
148 #include "unicode/utf.h"
149 #include "unicode/utf8.h"
150 #include "unicode/utf16.h"
151
152 /* Formerly utf.h, part 1 --------------------------------------------------- */
153
154 #ifdef U_USE_UTF_DEPRECATES
155
162 typedef int32_t UTextOffset;
163 #endif
164
166 #define UTF_SIZE 16
167
174 #define UTF_SAFE
175
176 #undef UTF_UNSAFE
177
178 #undef UTF_STRICT
179
194 #define UTF8_ERROR_VALUE_1 0x15
195
201 #define UTF8_ERROR_VALUE_2 0x9f
202
209 #define UTF_ERROR_VALUE 0xffff
210
217 #define UTF_IS_ERROR(c) \
218 (((c)&0xfffe)==0xfffe || (c)==UTF8_ERROR_VALUE_1 || (c)==UTF8_ERROR_VALUE_2)
219
225 #define UTF_IS_VALID(c) \
226 (UTF_IS_UNICODE_CHAR(c) && \
227 (c)!=UTF8_ERROR_VALUE_1 && (c)!=UTF8_ERROR_VALUE_2)
228
233 #define UTF_IS_SURROGATE(uchar) (((uchar)&0xfffff800)==0xd800)
234
240 #define UTF_IS_UNICODE_NONCHAR(c) \
241 ((c)>=0xfdd0 && \
242 ((uint32_t)(c)<=0xfdef || ((c)&0xfffe)==0xfffe) && \
243 (uint32_t)(c)<=0x10ffff)
244
260 #define UTF_IS_UNICODE_CHAR(c) \
261 ((uint32_t)(c)<0xd800 || \
262 ((uint32_t)(c)>0xdfff && \
263 (uint32_t)(c)<=0x10ffff && \
264 !UTF_IS_UNICODE_NONCHAR(c)))
265
266 /* Formerly utf8.h ---------------------------------------------------------- */
267
272 #define UTF8_COUNT_TRAIL_BYTES(leadByte) (utf8_countTrailBytes[(uint8_t)leadByte])
273
278 #define UTF8_MASK_LEAD_BYTE(leadByte, countTrailBytes) ((leadByte)&=(1<<(6-(countTrailBytes)))-1)
279
281 #define UTF8_IS_SINGLE(uchar) (((uchar)&0x80)==0)
282
283 #define UTF8_IS_LEAD(uchar) ((uint8_t)((uchar)-0xc0)<0x3e)
284
285 #define UTF8_IS_TRAIL(uchar) (((uchar)&0xc0)==0x80)
286
288 #define UTF8_NEED_MULTIPLE_UCHAR(c) ((uint32_t)(c)>0x7f)
289
303 #if 1
304 # define UTF8_CHAR_LENGTH(c) \
305 ((uint32_t)(c)<=0x7f ? 1 : \
306 ((uint32_t)(c)<=0x7ff ? 2 : \
307 ((uint32_t)((c)-0x10000)>0xfffff ? 3 : 4) \
308 ) \
309 )
310 #else
311 # define UTF8_CHAR_LENGTH(c) \
312 ((uint32_t)(c)<=0x7f ? 1 : \
313 ((uint32_t)(c)<=0x7ff ? 2 : \
314 ((uint32_t)(c)<=0xffff ? 3 : \
315 ((uint32_t)(c)<=0x10ffff ? 4 : \
316 ((uint32_t)(c)<=0x3ffffff ? 5 : \
317 ((uint32_t)(c)<=0x7fffffff ? 6 : 3) \
318 ) \
319 ) \
320 ) \
321 ) \
322 )
323 #endif
324
326 #define UTF8_MAX_CHAR_LENGTH 4
327
329 #define UTF8_ARRAY_SIZE(size) ((5*(size))/2)
330
332 #define UTF8_GET_CHAR_UNSAFE(s, i, c) { \
333 int32_t _utf8_get_char_unsafe_index=(int32_t)(i); \
334 UTF8_SET_CHAR_START_UNSAFE(s, _utf8_get_char_unsafe_index); \
335 UTF8_NEXT_CHAR_UNSAFE(s, _utf8_get_char_unsafe_index, c); \
336 }
337
339 #define UTF8_GET_CHAR_SAFE(s, start, i, length, c, strict) { \
340 int32_t _utf8_get_char_safe_index=(int32_t)(i); \
341 UTF8_SET_CHAR_START_SAFE(s, start, _utf8_get_char_safe_index); \
342 UTF8_NEXT_CHAR_SAFE(s, _utf8_get_char_safe_index, length, c, strict); \
343 }
344
346 #define UTF8_NEXT_CHAR_UNSAFE(s, i, c) { \
347 (c)=(s)[(i)++]; \
348 if((uint8_t)((c)-0xc0)<0x35) { \
349 uint8_t __count=UTF8_COUNT_TRAIL_BYTES(c); \
350 UTF8_MASK_LEAD_BYTE(c, __count); \
351 switch(__count) { \
352 /* each following branch falls through to the next one */ \
353 case 3: \
354 (c)=((c)<<6)|((s)[(i)++]&0x3f); \
355 case 2: \
356 (c)=((c)<<6)|((s)[(i)++]&0x3f); \
357 case 1: \
358 (c)=((c)<<6)|((s)[(i)++]&0x3f); \
359 /* no other branches to optimize switch() */ \
360 break; \
361 } \
362 } \
363 }
364
366 #define UTF8_APPEND_CHAR_UNSAFE(s, i, c) { \
367 if((uint32_t)(c)<=0x7f) { \
368 (s)[(i)++]=(uint8_t)(c); \
369 } else { \
370 if((uint32_t)(c)<=0x7ff) { \
371 (s)[(i)++]=(uint8_t)(((c)>>6)|0xc0); \
372 } else { \
373 if((uint32_t)(c)<=0xffff) { \
374 (s)[(i)++]=(uint8_t)(((c)>>12)|0xe0); \
375 } else { \
376 (s)[(i)++]=(uint8_t)(((c)>>18)|0xf0); \
377 (s)[(i)++]=(uint8_t)((((c)>>12)&0x3f)|0x80); \
378 } \
379 (s)[(i)++]=(uint8_t)((((c)>>6)&0x3f)|0x80); \
380 } \
381 (s)[(i)++]=(uint8_t)(((c)&0x3f)|0x80); \
382 } \
383 }
384
386 #define UTF8_FWD_1_UNSAFE(s, i) { \
387 (i)+=1+UTF8_COUNT_TRAIL_BYTES((s)[i]); \
388 }
389
391 #define UTF8_FWD_N_UNSAFE(s, i, n) { \
392 int32_t __N=(n); \
393 while(__N>0) { \
394 UTF8_FWD_1_UNSAFE(s, i); \
395 --__N; \
396 } \
397 }
398
400 #define UTF8_SET_CHAR_START_UNSAFE(s, i) { \
401 while(UTF8_IS_TRAIL((s)[i])) { --(i); } \
402 }
403
405 #define UTF8_NEXT_CHAR_SAFE(s, i, length, c, strict) { \
406 (c)=(s)[(i)++]; \
407 if((c)>=0x80) { \
408 if(UTF8_IS_LEAD(c)) { \
409 (c)=utf8_nextCharSafeBody(s, &(i), (int32_t)(length), c, strict); \
410 } else { \
411 (c)=UTF8_ERROR_VALUE_1; \
412 } \
413 } \
414 }
415
417 #define UTF8_APPEND_CHAR_SAFE(s, i, length, c) { \
418 if((uint32_t)(c)<=0x7f) { \
419 (s)[(i)++]=(uint8_t)(c); \
420 } else { \
421 (i)=utf8_appendCharSafeBody(s, (int32_t)(i), (int32_t)(length), c, NULL); \
422 } \
423 }
424
426 #define UTF8_FWD_1_SAFE(s, i, length) U8_FWD_1(s, i, length)
427
429 #define UTF8_FWD_N_SAFE(s, i, length, n) U8_FWD_N(s, i, length, n)
430
432 #define UTF8_SET_CHAR_START_SAFE(s, start, i) U8_SET_CP_START(s, start, i)
433
435 #define UTF8_PREV_CHAR_UNSAFE(s, i, c) { \
436 (c)=(s)[--(i)]; \
437 if(UTF8_IS_TRAIL(c)) { \
438 uint8_t __b, __count=1, __shift=6; \
439 \
440 /* c is a trail byte */ \
441 (c)&=0x3f; \
442 for(;;) { \
443 __b=(s)[--(i)]; \
444 if(__b>=0xc0) { \
445 UTF8_MASK_LEAD_BYTE(__b, __count); \
446 (c)|=(UChar32)__b<<__shift; \
447 break; \
448 } else { \
449 (c)|=(UChar32)(__b&0x3f)<<__shift; \
450 ++__count; \
451 __shift+=6; \
452 } \
453 } \
454 } \
455 }
456
458 #define UTF8_BACK_1_UNSAFE(s, i) { \
459 while(UTF8_IS_TRAIL((s)[--(i)])) {} \
460 }
461
463 #define UTF8_BACK_N_UNSAFE(s, i, n) { \
464 int32_t __N=(n); \
465 while(__N>0) { \
466 UTF8_BACK_1_UNSAFE(s, i); \
467 --__N; \
468 } \
469 }
470
472 #define UTF8_SET_CHAR_LIMIT_UNSAFE(s, i) { \
473 UTF8_BACK_1_UNSAFE(s, i); \
474 UTF8_FWD_1_UNSAFE(s, i); \
475 }
476
478 #define UTF8_PREV_CHAR_SAFE(s, start, i, c, strict) { \
479 (c)=(s)[--(i)]; \
480 if((c)>=0x80) { \
481 if((c)<=0xbf) { \
482 (c)=utf8_prevCharSafeBody(s, start, &(i), c, strict); \
483 } else { \
484 (c)=UTF8_ERROR_VALUE_1; \
485 } \
486 } \
487 }
488
490 #define UTF8_BACK_1_SAFE(s, start, i) U8_BACK_1(s, start, i)
491
493 #define UTF8_BACK_N_SAFE(s, start, i, n) U8_BACK_N(s, start, i, n)
494
496 #define UTF8_SET_CHAR_LIMIT_SAFE(s, start, i, length) U8_SET_CP_LIMIT(s, start, i, length)
497
498 /* Formerly utf16.h --------------------------------------------------------- */
499
501 #define UTF_IS_FIRST_SURROGATE(uchar) (((uchar)&0xfffffc00)==0xd800)
502
504 #define UTF_IS_SECOND_SURROGATE(uchar) (((uchar)&0xfffffc00)==0xdc00)
505
507 #define UTF_IS_SURROGATE_FIRST(c) (((c)&0x400)==0)
508
510 #define UTF_SURROGATE_OFFSET ((0xd800<<10UL)+0xdc00-0x10000)
511
513 #define UTF16_GET_PAIR_VALUE(first, second) \
514 (((first)<<10UL)+(second)-UTF_SURROGATE_OFFSET)
515
517 #define UTF_FIRST_SURROGATE(supplementary) (UChar)(((supplementary)>>10)+0xd7c0)
518
520 #define UTF_SECOND_SURROGATE(supplementary) (UChar)(((supplementary)&0x3ff)|0xdc00)
521
523 #define UTF16_LEAD(supplementary) UTF_FIRST_SURROGATE(supplementary)
524
526 #define UTF16_TRAIL(supplementary) UTF_SECOND_SURROGATE(supplementary)
527
529 #define UTF16_IS_SINGLE(uchar) !UTF_IS_SURROGATE(uchar)
530
532 #define UTF16_IS_LEAD(uchar) UTF_IS_FIRST_SURROGATE(uchar)
533
535 #define UTF16_IS_TRAIL(uchar) UTF_IS_SECOND_SURROGATE(uchar)
536
538 #define UTF16_NEED_MULTIPLE_UCHAR(c) ((uint32_t)(c)>0xffff)
539
541 #define UTF16_CHAR_LENGTH(c) ((uint32_t)(c)<=0xffff ? 1 : 2)
542
544 #define UTF16_MAX_CHAR_LENGTH 2
545
547 #define UTF16_ARRAY_SIZE(size) (size)
548
560 #define UTF16_GET_CHAR_UNSAFE(s, i, c) { \
561 (c)=(s)[i]; \
562 if(UTF_IS_SURROGATE(c)) { \
563 if(UTF_IS_SURROGATE_FIRST(c)) { \
564 (c)=UTF16_GET_PAIR_VALUE((c), (s)[(i)+1]); \
565 } else { \
566 (c)=UTF16_GET_PAIR_VALUE((s)[(i)-1], (c)); \
567 } \
568 } \
569 }
570
572 #define UTF16_GET_CHAR_SAFE(s, start, i, length, c, strict) { \
573 (c)=(s)[i]; \
574 if(UTF_IS_SURROGATE(c)) { \
575 uint16_t __c2; \
576 if(UTF_IS_SURROGATE_FIRST(c)) { \
577 if((i)+1<(length) && UTF_IS_SECOND_SURROGATE(__c2=(s)[(i)+1])) { \
578 (c)=UTF16_GET_PAIR_VALUE((c), __c2); \
579 /* strict: ((c)&0xfffe)==0xfffe is caught by UTF_IS_ERROR() and UTF_IS_UNICODE_CHAR() */ \
580 } else if(strict) {\
581 /* unmatched first surrogate */ \
582 (c)=UTF_ERROR_VALUE; \
583 } \
584 } else { \
585 if((i)-1>=(start) && UTF_IS_FIRST_SURROGATE(__c2=(s)[(i)-1])) { \
586 (c)=UTF16_GET_PAIR_VALUE(__c2, (c)); \
587 /* strict: ((c)&0xfffe)==0xfffe is caught by UTF_IS_ERROR() and UTF_IS_UNICODE_CHAR() */ \
588 } else if(strict) {\
589 /* unmatched second surrogate */ \
590 (c)=UTF_ERROR_VALUE; \
591 } \
592 } \
593 } else if((strict) && !UTF_IS_UNICODE_CHAR(c)) { \
594 (c)=UTF_ERROR_VALUE; \
595 } \
596 }
597
599 #define UTF16_NEXT_CHAR_UNSAFE(s, i, c) { \
600 (c)=(s)[(i)++]; \
601 if(UTF_IS_FIRST_SURROGATE(c)) { \
602 (c)=UTF16_GET_PAIR_VALUE((c), (s)[(i)++]); \
603 } \
604 }
605
607 #define UTF16_APPEND_CHAR_UNSAFE(s, i, c) { \
608 if((uint32_t)(c)<=0xffff) { \
609 (s)[(i)++]=(uint16_t)(c); \
610 } else { \
611 (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \
612 (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \
613 } \
614 }
615
617 #define UTF16_FWD_1_UNSAFE(s, i) { \
618 if(UTF_IS_FIRST_SURROGATE((s)[(i)++])) { \
619 ++(i); \
620 } \
621 }
622
624 #define UTF16_FWD_N_UNSAFE(s, i, n) { \
625 int32_t __N=(n); \
626 while(__N>0) { \
627 UTF16_FWD_1_UNSAFE(s, i); \
628 --__N; \
629 } \
630 }
631
633 #define UTF16_SET_CHAR_START_UNSAFE(s, i) { \
634 if(UTF_IS_SECOND_SURROGATE((s)[i])) { \
635 --(i); \
636 } \
637 }
638
640 #define UTF16_NEXT_CHAR_SAFE(s, i, length, c, strict) { \
641 (c)=(s)[(i)++]; \
642 if(UTF_IS_FIRST_SURROGATE(c)) { \
643 uint16_t __c2; \
644 if((i)<(length) && UTF_IS_SECOND_SURROGATE(__c2=(s)[(i)])) { \
645 ++(i); \
646 (c)=UTF16_GET_PAIR_VALUE((c), __c2); \
647 /* strict: ((c)&0xfffe)==0xfffe is caught by UTF_IS_ERROR() and UTF_IS_UNICODE_CHAR() */ \
648 } else if(strict) {\
649 /* unmatched first surrogate */ \
650 (c)=UTF_ERROR_VALUE; \
651 } \
652 } else if((strict) && !UTF_IS_UNICODE_CHAR(c)) { \
653 /* unmatched second surrogate or other non-character */ \
654 (c)=UTF_ERROR_VALUE; \
655 } \
656 }
657
659 #define UTF16_APPEND_CHAR_SAFE(s, i, length, c) { \
660 if((uint32_t)(c)<=0xffff) { \
661 (s)[(i)++]=(uint16_t)(c); \
662 } else if((uint32_t)(c)<=0x10ffff) { \
663 if((i)+1<(length)) { \
664 (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \
665 (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \
666 } else /* not enough space */ { \
667 (s)[(i)++]=UTF_ERROR_VALUE; \
668 } \
669 } else /* c>0x10ffff, write error value */ { \
670 (s)[(i)++]=UTF_ERROR_VALUE; \
671 } \
672 }
673
675 #define UTF16_FWD_1_SAFE(s, i, length) U16_FWD_1(s, i, length)
676
678 #define UTF16_FWD_N_SAFE(s, i, length, n) U16_FWD_N(s, i, length, n)
679
681 #define UTF16_SET_CHAR_START_SAFE(s, start, i) U16_SET_CP_START(s, start, i)
682
684 #define UTF16_PREV_CHAR_UNSAFE(s, i, c) { \
685 (c)=(s)[--(i)]; \
686 if(UTF_IS_SECOND_SURROGATE(c)) { \
687 (c)=UTF16_GET_PAIR_VALUE((s)[--(i)], (c)); \
688 } \
689 }
690
692 #define UTF16_BACK_1_UNSAFE(s, i) { \
693 if(UTF_IS_SECOND_SURROGATE((s)[--(i)])) { \
694 --(i); \
695 } \
696 }
697
699 #define UTF16_BACK_N_UNSAFE(s, i, n) { \
700 int32_t __N=(n); \
701 while(__N>0) { \
702 UTF16_BACK_1_UNSAFE(s, i); \
703 --__N; \
704 } \
705 }
706
708 #define UTF16_SET_CHAR_LIMIT_UNSAFE(s, i) { \
709 if(UTF_IS_FIRST_SURROGATE((s)[(i)-1])) { \
710 ++(i); \
711 } \
712 }
713
715 #define UTF16_PREV_CHAR_SAFE(s, start, i, c, strict) { \
716 (c)=(s)[--(i)]; \
717 if(UTF_IS_SECOND_SURROGATE(c)) { \
718 uint16_t __c2; \
719 if((i)>(start) && UTF_IS_FIRST_SURROGATE(__c2=(s)[(i)-1])) { \
720 --(i); \
721 (c)=UTF16_GET_PAIR_VALUE(__c2, (c)); \
722 /* strict: ((c)&0xfffe)==0xfffe is caught by UTF_IS_ERROR() and UTF_IS_UNICODE_CHAR() */ \
723 } else if(strict) {\
724 /* unmatched second surrogate */ \
725 (c)=UTF_ERROR_VALUE; \
726 } \
727 } else if((strict) && !UTF_IS_UNICODE_CHAR(c)) { \
728 /* unmatched first surrogate or other non-character */ \
729 (c)=UTF_ERROR_VALUE; \
730 } \
731 }
732
734 #define UTF16_BACK_1_SAFE(s, start, i) U16_BACK_1(s, start, i)
735
737 #define UTF16_BACK_N_SAFE(s, start, i, n) U16_BACK_N(s, start, i, n)
738
740 #define UTF16_SET_CHAR_LIMIT_SAFE(s, start, i, length) U16_SET_CP_LIMIT(s, start, i, length)
741
742 /* Formerly utf32.h --------------------------------------------------------- */
743
744 /*
745 * Old documentation:
746 *
747 * This file defines macros to deal with UTF-32 code units and code points.
748 * Signatures and semantics are the same as for the similarly named macros
749 * in utf16.h.
750 * utf32.h is included by utf.h after unicode/umachine.h</p>
751 * and some common definitions.
752 * <p><b>Usage:</b> ICU coding guidelines for if() statements should be followed when using these macros.
753 * Compound statements (curly braces {}) must be used for if-else-while...
754 * bodies and all macro statements should be terminated with semicolon.</p>
755 */
756
757 /* internal definitions ----------------------------------------------------- */
758
760 #define UTF32_IS_SAFE(c, strict) \
761 (!(strict) ? \
762 (uint32_t)(c)<=0x10ffff : \
763 UTF_IS_UNICODE_CHAR(c))
764
765 /*
766 * For the semantics of all of these macros, see utf16.h.
767 * The UTF-32 versions are trivial because any code point is
768 * encoded using exactly one code unit.
769 */
770
771 /* single-code point definitions -------------------------------------------- */
772
773 /* classes of code unit values */
774
776 #define UTF32_IS_SINGLE(uchar) 1
777
778 #define UTF32_IS_LEAD(uchar) 0
779
780 #define UTF32_IS_TRAIL(uchar) 0
781
782 /* number of code units per code point */
783
785 #define UTF32_NEED_MULTIPLE_UCHAR(c) 0
786
787 #define UTF32_CHAR_LENGTH(c) 1
788
789 #define UTF32_MAX_CHAR_LENGTH 1
790
791 /* average number of code units compared to UTF-16 */
792
794 #define UTF32_ARRAY_SIZE(size) (size)
795
797 #define UTF32_GET_CHAR_UNSAFE(s, i, c) { \
798 (c)=(s)[i]; \
799 }
800
802 #define UTF32_GET_CHAR_SAFE(s, start, i, length, c, strict) { \
803 (c)=(s)[i]; \
804 if(!UTF32_IS_SAFE(c, strict)) { \
805 (c)=UTF_ERROR_VALUE; \
806 } \
807 }
808
809 /* definitions with forward iteration --------------------------------------- */
810
812 #define UTF32_NEXT_CHAR_UNSAFE(s, i, c) { \
813 (c)=(s)[(i)++]; \
814 }
815
817 #define UTF32_APPEND_CHAR_UNSAFE(s, i, c) { \
818 (s)[(i)++]=(c); \
819 }
820
822 #define UTF32_FWD_1_UNSAFE(s, i) { \
823 ++(i); \
824 }
825
827 #define UTF32_FWD_N_UNSAFE(s, i, n) { \
828 (i)+=(n); \
829 }
830
832 #define UTF32_SET_CHAR_START_UNSAFE(s, i) { \
833 }
834
836 #define UTF32_NEXT_CHAR_SAFE(s, i, length, c, strict) { \
837 (c)=(s)[(i)++]; \
838 if(!UTF32_IS_SAFE(c, strict)) { \
839 (c)=UTF_ERROR_VALUE; \
840 } \
841 }
842
844 #define UTF32_APPEND_CHAR_SAFE(s, i, length, c) { \
845 if((uint32_t)(c)<=0x10ffff) { \
846 (s)[(i)++]=(c); \
847 } else /* c>0x10ffff, write 0xfffd */ { \
848 (s)[(i)++]=0xfffd; \
849 } \
850 }
851
853 #define UTF32_FWD_1_SAFE(s, i, length) { \
854 ++(i); \
855 }
856
858 #define UTF32_FWD_N_SAFE(s, i, length, n) { \
859 if(((i)+=(n))>(length)) { \
860 (i)=(length); \
861 } \
862 }
863
865 #define UTF32_SET_CHAR_START_SAFE(s, start, i) { \
866 }
867
868 /* definitions with backward iteration -------------------------------------- */
869
871 #define UTF32_PREV_CHAR_UNSAFE(s, i, c) { \
872 (c)=(s)[--(i)]; \
873 }
874
876 #define UTF32_BACK_1_UNSAFE(s, i) { \
877 --(i); \
878 }
879
881 #define UTF32_BACK_N_UNSAFE(s, i, n) { \
882 (i)-=(n); \
883 }
884
886 #define UTF32_SET_CHAR_LIMIT_UNSAFE(s, i) { \
887 }
888
890 #define UTF32_PREV_CHAR_SAFE(s, start, i, c, strict) { \
891 (c)=(s)[--(i)]; \
892 if(!UTF32_IS_SAFE(c, strict)) { \
893 (c)=UTF_ERROR_VALUE; \
894 } \
895 }
896
898 #define UTF32_BACK_1_SAFE(s, start, i) { \
899 --(i); \
900 }
901
903 #define UTF32_BACK_N_SAFE(s, start, i, n) { \
904 (i)-=(n); \
905 if((i)<(start)) { \
906 (i)=(start); \
907 } \
908 }
909
911 #define UTF32_SET_CHAR_LIMIT_SAFE(s, i, length) { \
912 }
913
914 /* Formerly utf.h, part 2 --------------------------------------------------- */
915
921 #define UTF_ARRAY_SIZE(size) UTF16_ARRAY_SIZE(size)
922
924 #define UTF_GET_CHAR_UNSAFE(s, i, c) UTF16_GET_CHAR_UNSAFE(s, i, c)
925
927 #define UTF_GET_CHAR_SAFE(s, start, i, length, c, strict) UTF16_GET_CHAR_SAFE(s, start, i, length, c, strict)
928
929
931 #define UTF_NEXT_CHAR_UNSAFE(s, i, c) UTF16_NEXT_CHAR_UNSAFE(s, i, c)
932
934 #define UTF_NEXT_CHAR_SAFE(s, i, length, c, strict) UTF16_NEXT_CHAR_SAFE(s, i, length, c, strict)
935
936
938 #define UTF_APPEND_CHAR_UNSAFE(s, i, c) UTF16_APPEND_CHAR_UNSAFE(s, i, c)
939
941 #define UTF_APPEND_CHAR_SAFE(s, i, length, c) UTF16_APPEND_CHAR_SAFE(s, i, length, c)
942
943
945 #define UTF_FWD_1_UNSAFE(s, i) UTF16_FWD_1_UNSAFE(s, i)
946
948 #define UTF_FWD_1_SAFE(s, i, length) UTF16_FWD_1_SAFE(s, i, length)
949
950
952 #define UTF_FWD_N_UNSAFE(s, i, n) UTF16_FWD_N_UNSAFE(s, i, n)
953
955 #define UTF_FWD_N_SAFE(s, i, length, n) UTF16_FWD_N_SAFE(s, i, length, n)
956
957
959 #define UTF_SET_CHAR_START_UNSAFE(s, i) UTF16_SET_CHAR_START_UNSAFE(s, i)
960
962 #define UTF_SET_CHAR_START_SAFE(s, start, i) UTF16_SET_CHAR_START_SAFE(s, start, i)
963
964
966 #define UTF_PREV_CHAR_UNSAFE(s, i, c) UTF16_PREV_CHAR_UNSAFE(s, i, c)
967
969 #define UTF_PREV_CHAR_SAFE(s, start, i, c, strict) UTF16_PREV_CHAR_SAFE(s, start, i, c, strict)
970
971
973 #define UTF_BACK_1_UNSAFE(s, i) UTF16_BACK_1_UNSAFE(s, i)
974
976 #define UTF_BACK_1_SAFE(s, start, i) UTF16_BACK_1_SAFE(s, start, i)
977
978
980 #define UTF_BACK_N_UNSAFE(s, i, n) UTF16_BACK_N_UNSAFE(s, i, n)
981
983 #define UTF_BACK_N_SAFE(s, start, i, n) UTF16_BACK_N_SAFE(s, start, i, n)
984
985
987 #define UTF_SET_CHAR_LIMIT_UNSAFE(s, i) UTF16_SET_CHAR_LIMIT_UNSAFE(s, i)
988
990 #define UTF_SET_CHAR_LIMIT_SAFE(s, start, i, length) UTF16_SET_CHAR_LIMIT_SAFE(s, start, i, length)
991
992 /* Define default macros (UTF-16 "safe") ------------------------------------ */
993
999 #define UTF_IS_SINGLE(uchar) U16_IS_SINGLE(uchar)
1000
1006 #define UTF_IS_LEAD(uchar) U16_IS_LEAD(uchar)
1007
1013 #define UTF_IS_TRAIL(uchar) U16_IS_TRAIL(uchar)
1014
1020 #define UTF_NEED_MULTIPLE_UCHAR(c) UTF16_NEED_MULTIPLE_UCHAR(c)
1021
1027 #define UTF_CHAR_LENGTH(c) U16_LENGTH(c)
1028
1034 #define UTF_MAX_CHAR_LENGTH U16_MAX_LENGTH
1035
1045 #define UTF_GET_CHAR(s, start, i, length, c) U16_GET(s, start, i, length, c)
1046
1058 #define UTF_NEXT_CHAR(s, i, length, c) U16_NEXT(s, i, length, c)
1059
1071 #define UTF_APPEND_CHAR(s, i, length, c) UTF16_APPEND_CHAR_SAFE(s, i, length, c)
1072
1082 #define UTF_FWD_1(s, i, length) U16_FWD_1(s, i, length)
1083
1093 #define UTF_FWD_N(s, i, length, n) U16_FWD_N(s, i, length, n)
1094
1109 #define UTF_SET_CHAR_START(s, start, i) U16_SET_CP_START(s, start, i)
1110
1122 #define UTF_PREV_CHAR(s, start, i, c) U16_PREV(s, start, i, c)
1123
1135 #define UTF_BACK_1(s, start, i) U16_BACK_1(s, start, i)
1136
1148 #define UTF_BACK_N(s, start, i, n) U16_BACK_N(s, start, i, n)
1149
1164 #define UTF_SET_CHAR_LIMIT(s, start, i, length) U16_SET_CP_LIMIT(s, start, i, length)
1165
1166 #endif /* U_HIDE_DEPRECATED_API */
1167
1168 #endif
1169
utf8.h
C API: 8-bit Unicode handling macros.
utf.h
C API: Code point macros.
utf16.h
C API: 16-bit Unicode handling macros.