lib/Support/ConvertUTF.cpp

151         UTF32 ch;
155         ch = *source++;
156         if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
158             if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
167                 *target++ = (UTF16)ch; /* normal case */
169         } else if (ch > UNI_MAX_LEGAL_UTF32) {
181             ch -= halfBase;
182             *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START);
183             *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START);
199     UTF32 ch, ch2;
202         ch = *source++;
204         if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {
210                     ch = ((ch - UNI_SUR_HIGH_START) << halfShift)
225             if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) {
235         *target++ = ch;
241     fprintf(stderr, "ConvertUTF16toUTF32 illegal seq 0x%04x,%04x\n", ch, ch2);
254         UTF32 ch;
259         ch = *source++;
261         if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_HIGH_END) {
267                     ch = ((ch - UNI_SUR_HIGH_START) << halfShift)
282             if (ch >= UNI_SUR_LOW_START && ch <= UNI_SUR_LOW_END) {
289         if (ch < (UTF32)0x80) {      bytesToWrite = 1;
290         } else if (ch < (UTF32)0x800) {     bytesToWrite = 2;
291         } else if (ch < (UTF32)0x10000) {   bytesToWrite = 3;
292         } else if (ch < (UTF32)0x110000) {  bytesToWrite = 4;
294                                             ch = UNI_REPLACEMENT_CHAR;
303             case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
304             case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
305             case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
306             case 1: *--target =  (UTF8)(ch | firstByteMark[bytesToWrite]);
324         UTF32 ch;
328         ch = *source++;
331             if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
341         if (ch < (UTF32)0x80) {      bytesToWrite = 1;
342         } else if (ch < (UTF32)0x800) {     bytesToWrite = 2;
343         } else if (ch < (UTF32)0x10000) {   bytesToWrite = 3;
344         } else if (ch <= UNI_MAX_LEGAL_UTF32) {  bytesToWrite = 4;
346                                             ch = UNI_REPLACEMENT_CHAR;
356             case 4: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
357             case 3: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
358             case 2: *--target = (UTF8)((ch | byteMark) & byteMask); ch >>= 6;
359             case 1: *--target = (UTF8) (ch | firstByteMark[bytesToWrite]);
548         UTF32 ch = 0;
562             case 5: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
563             case 4: ch += *source++; ch <<= 6; /* remember, illegal UTF-8 */
564             case 3: ch += *source++; ch <<= 6;
565             case 2: ch += *source++; ch <<= 6;
566             case 1: ch += *source++; ch <<= 6;
567             case 0: ch += *source++;
569         ch -= offsetsFromUTF8[extraBytesToRead];
575         if (ch <= UNI_MAX_BMP) { /* Target is a character <= 0xFFFF */
577             if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
586                 *target++ = (UTF16)ch; /* normal case */
588         } else if (ch > UNI_MAX_UTF16) {
602             ch -= halfBase;
603             *target++ = (UTF16)((ch >> halfShift) + UNI_SUR_HIGH_START);
604             *target++ = (UTF16)((ch & halfMask) + UNI_SUR_LOW_START);
622         UTF32 ch = 0;
666             case 5: ch += *source++; ch <<= 6;
667             case 4: ch += *source++; ch <<= 6;
668             case 3: ch += *source++; ch <<= 6;
669             case 2: ch += *source++; ch <<= 6;
670             case 1: ch += *source++; ch <<= 6;
671             case 0: ch += *source++;
673         ch -= offsetsFromUTF8[extraBytesToRead];
675         if (ch <= UNI_MAX_LEGAL_UTF32) {
680             if (ch >= UNI_SUR_HIGH_START && ch <= UNI_SUR_LOW_END) {
689                 *target++ = ch;
691         } else { /* i.e., ch > UNI_MAX_LEGAL_UTF32 */
726                 ch += *source++;
728                 if (tmpBytesToRead) ch <<= 6;