264     if (fRec.get() != &gEmptyRec) {  in validate()
265         SkASSERT(fRec->fLength > 0);  in validate()
266         SkASSERT(fRec->getRefCnt() > 0);  in validate()
267         SkASSERT(0 == fRec->data()[fRec->fLength]);  in validate()
275 SkString::SkString() : fRec(const_cast<Rec*>(&gEmptyRec)) {  in SkString()
279     fRec = Rec::Make(nullptr, len);  in SkString()
285     fRec = Rec::Make(text, len);  in SkString()
289     fRec = Rec::Make(text, len);  in SkString()
292 SkString::SkString(const SkString& src) : fRec(src.validate().fRec) {}  in SkString()
294 SkString::SkString(SkString&& src) : fRec(std::move(src.validate().fRec)) {  in SkString()
295     src.fRec.reset(const_cast<Rec*>(&gEmptyRec));  in SkString()
299     fRec = Rec::Make(src.c_str(), src.size());  in SkString()
303     fRec = Rec::Make(src.data(), src.length());  in SkString()
311     return fRec == src.fRec || this->equals(src.c_str(), src.size());  in equals()
321     return fRec->fLength == len && !sk_careful_memcmp(fRec->data(), text, len);  in equals()
326     fRec = src.fRec;  // sk_sp<Rec>::operator=(const sk_sp<Ref>&) checks for self-assignment.  in operator =()
333     if (fRec != src.fRec) {  in operator =()
346     fRec.reset(const_cast<Rec*>(&gEmptyRec));  in reset()
352     if (fRec->fLength) {  in writable_str()
353         if (!fRec->unique()) {  in writable_str()
354             fRec = Rec::Make(fRec->data(), fRec->fLength);  in writable_str()
357     return fRec->data();  in writable_str()
364     } else if (fRec->unique() && ((len >> 2) <= (fRec->fLength >> 2))) {  in resize()
368         fRec->fLength = SkToU32(len);  in resize()
387     } else if (fRec->unique() && ((len >> 2) <= (fRec->fLength >> 2))) {  in set()
394         fRec->fLength = SkToU32(len);  in set()
407         size_t length = fRec->fLength;  in insert()
428         if (fRec->unique() && (length >> 2) == ((length + len) >> 2)) {  in insert()
437             fRec->fLength = SkToU32(length + len);  in insert()
442             SkString    tmp(fRec->fLength + len);  in insert()
446                 memcpy(dst, fRec->data(), offset);  in insert()
449             if (offset < fRec->fLength) {  in insert()
450                 memcpy(dst + offset + len, fRec->data() + offset,  in insert()
451                        fRec->fLength - offset);  in insert()
610     swap(fRec, other.fRec);  in swap()