46     UnicodeStringAppender(UnicodeString &dest) : fDest(&dest), fIdx(0) { }  in UnicodeStringAppender()
49         if (fIdx == UPRV_LENGTHOF(fBuffer)) {  in append()
50             fDest->append(fBuffer, 0, fIdx);  in append()
51             fIdx = 0;  in append()
53         fBuffer[fIdx++] = x;  in append()
57         if (fIdx >= UPRV_LENGTHOF(fBuffer) - 1) {  in append()
58             fDest->append(fBuffer, 0, fIdx);  in append()
59             fIdx = 0;  in append()
61         U16_APPEND_UNSAFE(fBuffer, fIdx, x);  in append()
68         if (fIdx) {  in flush()
69             fDest->append(fBuffer, 0, fIdx);  in flush()
71         fIdx = 0;  in flush()
82     int32_t fIdx;  variable