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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)); \
197 #define U16_GET(s, start, i, length, c) { \
199 if(U16_IS_SURROGATE(c)) { \
201 if(U16_IS_SURROGATE_LEAD(c)) { \
202 if((i)+1<(length) && U16_IS_TRAIL(__c2=(s)[(i)+1])) { \
203 (c)=U16_GET_SUPPLEMENTARY((c), __c2); \
206 if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \
207 (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \
234 #define U16_NEXT_UNSAFE(s, i, c) { \
236 if(U16_IS_LEAD(c)) { \
237 (c)=U16_GET_SUPPLEMENTARY((c), (s)[(i)++]); \
261 #define U16_NEXT(s, i, length, c) { \
263 if(U16_IS_LEAD(c)) { \
265 if((i)<(length) && U16_IS_TRAIL(__c2=(s)[(i)])) { \
267 (c)=U16_GET_SUPPLEMENTARY((c), __c2); \
285 #define U16_APPEND_UNSAFE(s, i, c) { \
286 if((uint32_t)(c)<=0xffff) { \
287 (s)[(i)++]=(uint16_t)(c); \
289 (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \
290 (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \
311 #define U16_APPEND(s, i, capacity, c, isError) { \
312 if((uint32_t)(c)<=0xffff) { \
313 (s)[(i)++]=(uint16_t)(c); \
314 } else if((uint32_t)(c)<=0x10ffff && (i)+1<(capacity)) { \
315 (s)[(i)++]=(uint16_t)(((c)>>10)+0xd7c0); \
316 (s)[(i)++]=(uint16_t)(((c)&0x3ff)|0xdc00); \
332 #define U16_FWD_1_UNSAFE(s, i) { \
333 if(U16_IS_LEAD((s)[(i)++])) { \
349 #define U16_FWD_1(s, i, length) { \
350 if(U16_IS_LEAD((s)[(i)++]) && (i)<(length) && U16_IS_TRAIL((s)[i])) { \
367 #define U16_FWD_N_UNSAFE(s, i, n) { \
370 U16_FWD_1_UNSAFE(s, i); \
388 #define U16_FWD_N(s, i, length, n) { \
390 while(__N>0 && (i)<(length)) { \
391 U16_FWD_1(s, i, length); \
409 #define U16_SET_CP_START_UNSAFE(s, i) { \
410 if(U16_IS_TRAIL((s)[i])) { \
429 #define U16_SET_CP_START(s, start, i) { \
430 if(U16_IS_TRAIL((s)[i]) && (i)>(start) && U16_IS_LEAD((s)[(i)-1])) { \
457 #define U16_PREV_UNSAFE(s, i, c) { \
459 if(U16_IS_TRAIL(c)) { \
460 (c)=U16_GET_SUPPLEMENTARY((s)[--(i)], (c)); \
485 #define U16_PREV(s, start, i, c) { \
487 if(U16_IS_TRAIL(c)) { \
489 if((i)>(start) && U16_IS_LEAD(__c2=(s)[(i)-1])) { \
491 (c)=U16_GET_SUPPLEMENTARY(__c2, (c)); \
507 #define U16_BACK_1_UNSAFE(s, i) { \
508 if(U16_IS_TRAIL((s)[--(i)])) { \
525 #define U16_BACK_1(s, start, i) { \
526 if(U16_IS_TRAIL((s)[--(i)]) && (i)>(start) && U16_IS_LEAD((s)[(i)-1])) { \
544 #define U16_BACK_N_UNSAFE(s, i, n) { \
547 U16_BACK_1_UNSAFE(s, i); \
566 #define U16_BACK_N(s, start, i, n) { \
568 while(__N>0 && (i)>(start)) { \
569 U16_BACK_1(s, start, i); \
587 #define U16_SET_CP_LIMIT_UNSAFE(s, i) { \
588 if(U16_IS_LEAD((s)[(i)-1])) { \
608 #define U16_SET_CP_LIMIT(s, start, i, length) { \
609 if((start)<(i) && (i)<(length) && U16_IS_LEAD((s)[(i)-1]) && U16_IS_TRAIL((s)[i])) { \