50 #define U16_IS_SINGLE(c) !U_IS_SURROGATE(c) 58 #define U16_IS_LEAD(c) (((c)&0xfffffc00)==0xd800) 66 #define U16_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00) 74 #define U16_IS_SURROGATE(c) U_IS_SURROGATE(c) 83 #define U16_IS_SURROGATE_LEAD(c) (((c)&0x400)==0) 92 #define U16_IS_SURROGATE_TRAIL(c) (((c)&0x400)!=0) 98 #define U16_SURROGATE_OFFSET ((0xd800<<10UL)+0xdc00-0x10000) 111 #define U16_GET_SUPPLEMENTARY(lead, trail) \ 112 (((UChar32)(lead)<<10UL)+(UChar32)(trail)-U16_SURROGATE_OFFSET) 122 #define U16_LEAD(supplementary) (UChar)(((supplementary)>>10)+0xd7c0) 131 #define U16_TRAIL(supplementary) (UChar)(((supplementary)&0x3ff)|0xdc00) 140 #define U16_LENGTH(c) ((uint32_t)(c)<=0xffff ? 1 : 2) 147 #define U16_MAX_LENGTH 2 166 #define U16_GET_UNSAFE(s, i, c) { \ 168 if(U16_IS_SURROGATE(c)) { \ 169 if(U16_IS_SURROGATE_LEAD(c)) { \ 170 (c)=U16_GET_SUPPLEMENTARY((c), (s)[(i)+1]); \ 172 (c)=U16_GET_SUPPLEMENTARY((s)[(i)-1], (c)); \ 200 #define U16_GET(s, start, i, length, c) { \ 202 if(U16_IS_SURROGATE(c)) { \ 204 if(U16_IS_SURROGATE_LEAD(c)) { \ 205 if((i)+1!=(length) && U16_IS_TRAIL(__c2=(s)[(i)+1])) { \ 206 (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ 209 if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ 210 (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ 216 #ifndef U_HIDE_DRAFT_API 241 #define U16_GET_OR_FFFD(s, start, i, length, c) { \ 243 if(U16_IS_SURROGATE(c)) { \ 245 if(U16_IS_SURROGATE_LEAD(c)) { \ 246 if((i)+1!=(length) && U16_IS_TRAIL(__c2=(s)[(i)+1])) { \ 247 (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ 252 if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ 253 (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ 261 #endif // U_HIDE_DRAFT_API 284 #define U16_NEXT_UNSAFE(s, i, c) { \ 286 if(U16_IS_LEAD(c)) { \ 287 (c)=U16_GET_SUPPLEMENTARY((c), (s)[(i)++]); \ 312 #define U16_NEXT(s, i, length, c) { \ 314 if(U16_IS_LEAD(c)) { \ 316 if((i)!=(length) && U16_IS_TRAIL(__c2=(s)[(i)])) { \ 318 (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ 323 #ifndef U_HIDE_DRAFT_API 346 #define U16_NEXT_OR_FFFD(s, i, length, c) { \ 348 if(U16_IS_SURROGATE(c)) { \ 350 if(U16_IS_SURROGATE_LEAD(c) && (i)!=(length) && U16_IS_TRAIL(__c2=(s)[(i)])) { \ 352 (c)=U16_GET_SUPPLEMENTARY((c), __c2); \ 359 #endif // U_HIDE_DRAFT_API 374 #define U16_APPEND_UNSAFE(s, i, c) { \ 375 if((uint32_t)(c)<=0xffff) { \ 376 (s)[(i)++]=(uint16_t)(c); \ 378 (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \ 379 (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \ 400 #define U16_APPEND(s, i, capacity, c, isError) { \ 401 if((uint32_t)(c)<=0xffff) { \ 402 (s)[(i)++]=(uint16_t)(c); \ 403 } else if((uint32_t)(c)<=0x10ffff && (i)+1<(capacity)) { \ 404 (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \ 405 (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \ 421 #define U16_FWD_1_UNSAFE(s, i) { \ 422 if(U16_IS_LEAD((s)[(i)++])) { \ 440 #define U16_FWD_1(s, i, length) { \ 441 if(U16_IS_LEAD((s)[(i)++]) && (i)!=(length) && U16_IS_TRAIL((s)[i])) { \ 458 #define U16_FWD_N_UNSAFE(s, i, n) { \ 461 U16_FWD_1_UNSAFE(s, i); \ 481 #define U16_FWD_N(s, i, length, n) { \ 483 while(__N>0 && ((i)<(length) || ((length)<0 && (s)[i]!=0))) { \ 484 U16_FWD_1(s, i, length); \ 502 #define U16_SET_CP_START_UNSAFE(s, i) { \ 503 if(U16_IS_TRAIL((s)[i])) { \ 522 #define U16_SET_CP_START(s, start, i) { \ 523 if(U16_IS_TRAIL((s)[i]) && (i)>(start) && U16_IS_LEAD((s)[(i)-1])) { \ 550 #define U16_PREV_UNSAFE(s, i, c) { \ 552 if(U16_IS_TRAIL(c)) { \ 553 (c)=U16_GET_SUPPLEMENTARY((s)[--(i)], (c)); \ 577 #define U16_PREV(s, start, i, c) { \ 579 if(U16_IS_TRAIL(c)) { \ 581 if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ 583 (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ 588 #ifndef U_HIDE_DRAFT_API 610 #define U16_PREV_OR_FFFD(s, start, i, c) { \ 612 if(U16_IS_SURROGATE(c)) { \ 614 if(U16_IS_SURROGATE_TRAIL(c) && (i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \ 616 (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \ 623 #endif // U_HIDE_DRAFT_API 636 #define U16_BACK_1_UNSAFE(s, i) { \ 637 if(U16_IS_TRAIL((s)[--(i)])) { \ 654 #define U16_BACK_1(s, start, i) { \ 655 if(U16_IS_TRAIL((s)[--(i)]) && (i)>(start) && U16_IS_LEAD((s)[(i)-1])) { \ 673 #define U16_BACK_N_UNSAFE(s, i, n) { \ 676 U16_BACK_1_UNSAFE(s, i); \ 695 #define U16_BACK_N(s, start, i, n) { \ 697 while(__N>0 && (i)>(start)) { \ 698 U16_BACK_1(s, start, i); \ 716 #define U16_SET_CP_LIMIT_UNSAFE(s, i) { \ 717 if(U16_IS_LEAD((s)[(i)-1])) { \ 739 #define U16_SET_CP_LIMIT(s, start, i, length) { \ 740 if((start)<(i) && ((i)<(length) || (length)<0) && U16_IS_LEAD((s)[(i)-1]) && U16_IS_TRAIL((s)[i])) { \ Basic types and constants for UTF.
C API: Code point macros.