#include "unicode/utypes.h"
#include "unicode/brkiter.h"
#include "unicode/casemap.h"
#include "unicode/edits.h"
#include "unicode/stringoptions.h"
#include "unicode/ustring.h"
#include "unicode/ucasemap.h"
#include "unicode/ubrk.h"
#include "unicode/utf.h"
#include "unicode/utf16.h"
#include "cmemory.h"
#include "ucase.h"
#include "ucasemap_imp.h"
#include "ustr_imp.h"
#include "uassert.h"
U_NAMESPACE_BEGIN
namespace {
int32_t checkOverflowAndEditsError(int32_t destIndex, int32_t destCapacity,
Edits *edits, UErrorCode &errorCode) {
if (U_SUCCESS(errorCode)) {
if (destIndex > destCapacity) {
errorCode = U_BUFFER_OVERFLOW_ERROR;
} else if (edits != NULL) {
edits->copyErrorTo(errorCode);
}
}
return destIndex;
}
inline int32_t
appendResult(UChar *dest, int32_t destIndex, int32_t destCapacity,
int32_t result, const UChar *s,
int32_t cpLength, uint32_t options, icu::Edits *edits) {
UChar32 c;
int32_t length;
if(result<0) {
if(edits!=NULL) {
edits->addUnchanged(cpLength);
}
if(options & U_OMIT_UNCHANGED_TEXT) {
return destIndex;
}
c=~result;
if(destIndex<destCapacity && c<=0xffff) { dest[destIndex++]=(UChar)c;
return destIndex;
}
length=cpLength;
} else {
if(result<=UCASE_MAX_STRING_LENGTH) {
c=U_SENTINEL;
length=result;
} else if(destIndex<destCapacity && result<=0xffff) { dest[destIndex++]=(UChar)result;
if(edits!=NULL) {
edits->addReplace(cpLength, 1);
}
return destIndex;
} else {
c=result;
length=U16_LENGTH(c);
}
if(edits!=NULL) {
edits->addReplace(cpLength, length);
}
}
if(length>(INT32_MAX-destIndex)) {
return -1; }
if(destIndex<destCapacity) {
if(c>=0) {
UBool isError=FALSE;
U16_APPEND(dest, destIndex, destCapacity, c, isError);
if(isError) {
destIndex+=length;
}
} else {
if((destIndex+length)<=destCapacity) {
while(length>0) {
dest[destIndex++]=*s++;
--length;
}
} else {
destIndex+=length;
}
}
} else {
destIndex+=length;
}
return destIndex;
}
inline int32_t
appendUChar(UChar *dest, int32_t destIndex, int32_t destCapacity, UChar c) {
if(destIndex<destCapacity) {
dest[destIndex]=c;
} else if(destIndex==INT32_MAX) {
return -1; }
return destIndex+1;
}
int32_t
appendNonEmptyUnchanged(UChar *dest, int32_t destIndex, int32_t destCapacity,
const UChar *s, int32_t length, uint32_t options, icu::Edits *edits) {
if(edits!=NULL) {
edits->addUnchanged(length);
}
if(options & U_OMIT_UNCHANGED_TEXT) {
return destIndex;
}
if(length>(INT32_MAX-destIndex)) {
return -1; }
if((destIndex+length)<=destCapacity) {
u_memcpy(dest+destIndex, s, length);
}
return destIndex + length;
}
inline int32_t
appendUnchanged(UChar *dest, int32_t destIndex, int32_t destCapacity,
const UChar *s, int32_t length, uint32_t options, icu::Edits *edits) {
if (length <= 0) {
return destIndex;
}
return appendNonEmptyUnchanged(dest, destIndex, destCapacity, s, length, options, edits);
}
UChar32 U_CALLCONV
utf16_caseContextIterator(void *context, int8_t dir) {
UCaseContext *csc=(UCaseContext *)context;
UChar32 c;
if(dir<0) {
csc->index=csc->cpStart;
csc->dir=dir;
} else if(dir>0) {
csc->index=csc->cpLimit;
csc->dir=dir;
} else {
dir=csc->dir;
}
if(dir<0) {
if(csc->start<csc->index) {
U16_PREV((const UChar *)csc->p, csc->start, csc->index, c);
return c;
}
} else {
if(csc->index<csc->limit) {
U16_NEXT((const UChar *)csc->p, csc->index, csc->limit, c);
return c;
}
}
return U_SENTINEL;
}
int32_t toLower(int32_t caseLocale, uint32_t options,
UChar *dest, int32_t destCapacity,
const UChar *src, UCaseContext *csc, int32_t srcStart, int32_t srcLimit,
icu::Edits *edits, UErrorCode &errorCode) {
const int8_t *latinToLower;
if (caseLocale == UCASE_LOC_ROOT ||
(caseLocale >= 0 ?
!(caseLocale == UCASE_LOC_TURKISH || caseLocale == UCASE_LOC_LITHUANIAN) :
(options & _FOLD_CASE_OPTIONS_MASK) == U_FOLD_CASE_DEFAULT)) {
latinToLower = LatinCase::TO_LOWER_NORMAL;
} else {
latinToLower = LatinCase::TO_LOWER_TR_LT;
}
const UTrie2 *trie = ucase_getTrie();
int32_t destIndex = 0;
int32_t prev = srcStart;
int32_t srcIndex = srcStart;
for (;;) {
UChar lead = 0;
while (srcIndex < srcLimit) {
lead = src[srcIndex];
int32_t delta;
if (lead < LatinCase::LONG_S) {
int8_t d = latinToLower[lead];
if (d == LatinCase::EXC) { break; }
++srcIndex;
if (d == 0) { continue; }
delta = d;
} else if (lead >= 0xd800) {
break; } else {
uint16_t props = UTRIE2_GET16_FROM_U16_SINGLE_LEAD(trie, lead);
if (UCASE_HAS_EXCEPTION(props)) { break; }
++srcIndex;
if (!UCASE_IS_UPPER_OR_TITLE(props) || (delta = UCASE_GET_DELTA(props)) == 0) {
continue;
}
}
lead += static_cast<UChar>(delta);
destIndex = appendUnchanged(dest, destIndex, destCapacity,
src + prev, srcIndex - 1 - prev, options, edits);
if (destIndex >= 0) {
destIndex = appendUChar(dest, destIndex, destCapacity, lead);
if (edits != nullptr) {
edits->addReplace(1, 1);
}
}
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
prev = srcIndex;
}
if (srcIndex >= srcLimit) {
break;
}
int32_t cpStart = srcIndex++;
UChar trail;
UChar32 c;
if (U16_IS_LEAD(lead) && srcIndex < srcLimit && U16_IS_TRAIL(trail = src[srcIndex])) {
c = U16_GET_SUPPLEMENTARY(lead, trail);
++srcIndex;
} else {
c = lead;
}
const UChar *s;
if (caseLocale >= 0) {
csc->cpStart = cpStart;
csc->cpLimit = srcIndex;
c = ucase_toFullLower(c, utf16_caseContextIterator, csc, &s, caseLocale);
} else {
c = ucase_toFullFolding(c, &s, options);
}
if (c >= 0) {
destIndex = appendUnchanged(dest, destIndex, destCapacity,
src + prev, cpStart - prev, options, edits);
if (destIndex >= 0) {
destIndex = appendResult(dest, destIndex, destCapacity, c, s,
srcIndex - cpStart, options, edits);
}
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
prev = srcIndex;
}
}
destIndex = appendUnchanged(dest, destIndex, destCapacity,
src + prev, srcIndex - prev, options, edits);
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
return destIndex;
}
int32_t toUpper(int32_t caseLocale, uint32_t options,
UChar *dest, int32_t destCapacity,
const UChar *src, UCaseContext *csc, int32_t srcLength,
icu::Edits *edits, UErrorCode &errorCode) {
const int8_t *latinToUpper;
if (caseLocale == UCASE_LOC_TURKISH) {
latinToUpper = LatinCase::TO_UPPER_TR;
} else {
latinToUpper = LatinCase::TO_UPPER_NORMAL;
}
const UTrie2 *trie = ucase_getTrie();
int32_t destIndex = 0;
int32_t prev = 0;
int32_t srcIndex = 0;
for (;;) {
UChar lead = 0;
while (srcIndex < srcLength) {
lead = src[srcIndex];
int32_t delta;
if (lead < LatinCase::LONG_S) {
int8_t d = latinToUpper[lead];
if (d == LatinCase::EXC) { break; }
++srcIndex;
if (d == 0) { continue; }
delta = d;
} else if (lead >= 0xd800) {
break; } else {
uint16_t props = UTRIE2_GET16_FROM_U16_SINGLE_LEAD(trie, lead);
if (UCASE_HAS_EXCEPTION(props)) { break; }
++srcIndex;
if (UCASE_GET_TYPE(props) != UCASE_LOWER || (delta = UCASE_GET_DELTA(props)) == 0) {
continue;
}
}
lead += static_cast<UChar>(delta);
destIndex = appendUnchanged(dest, destIndex, destCapacity,
src + prev, srcIndex - 1 - prev, options, edits);
if (destIndex >= 0) {
destIndex = appendUChar(dest, destIndex, destCapacity, lead);
if (edits != nullptr) {
edits->addReplace(1, 1);
}
}
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
prev = srcIndex;
}
if (srcIndex >= srcLength) {
break;
}
int32_t cpStart;
csc->cpStart = cpStart = srcIndex++;
UChar trail;
UChar32 c;
if (U16_IS_LEAD(lead) && srcIndex < srcLength && U16_IS_TRAIL(trail = src[srcIndex])) {
c = U16_GET_SUPPLEMENTARY(lead, trail);
++srcIndex;
} else {
c = lead;
}
csc->cpLimit = srcIndex;
const UChar *s;
c = ucase_toFullUpper(c, utf16_caseContextIterator, csc, &s, caseLocale);
if (c >= 0) {
destIndex = appendUnchanged(dest, destIndex, destCapacity,
src + prev, cpStart - prev, options, edits);
if (destIndex >= 0) {
destIndex = appendResult(dest, destIndex, destCapacity, c, s,
srcIndex - cpStart, options, edits);
}
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
prev = srcIndex;
}
}
destIndex = appendUnchanged(dest, destIndex, destCapacity,
src + prev, srcIndex - prev, options, edits);
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
return destIndex;
}
}
U_NAMESPACE_END
U_NAMESPACE_USE
#if !UCONFIG_NO_BREAK_ITERATION
U_CFUNC int32_t U_CALLCONV
ustrcase_internalToTitle(int32_t caseLocale, uint32_t options, BreakIterator *iter,
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
icu::Edits *edits,
UErrorCode &errorCode) {
if (!ustrcase_checkTitleAdjustmentOptions(options, errorCode)) {
return 0;
}
UCaseContext csc=UCASECONTEXT_INITIALIZER;
csc.p=(void *)src;
csc.limit=srcLength;
int32_t destIndex=0;
int32_t prev=0;
UBool isFirstIndex=TRUE;
while(prev<srcLength) {
int32_t index;
if(isFirstIndex) {
isFirstIndex=FALSE;
index=iter->first();
} else {
index=iter->next();
}
if(index==UBRK_DONE || index>srcLength) {
index=srcLength;
}
if(prev<index) {
int32_t titleStart=prev;
int32_t titleLimit=prev;
UChar32 c;
U16_NEXT(src, titleLimit, index, c);
if ((options&U_TITLECASE_NO_BREAK_ADJUSTMENT)==0) {
UBool toCased = (options&U_TITLECASE_ADJUST_TO_CASED) != 0;
while (toCased ? UCASE_NONE==ucase_getType(c) : !ustrcase_isLNS(c)) {
titleStart=titleLimit;
if(titleLimit==index) {
break;
}
U16_NEXT(src, titleLimit, index, c);
}
if (prev < titleStart) {
destIndex=appendUnchanged(dest, destIndex, destCapacity,
src+prev, titleStart-prev, options, edits);
if(destIndex<0) {
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
}
}
if(titleStart<titleLimit) {
csc.cpStart=titleStart;
csc.cpLimit=titleLimit;
const UChar *s;
c=ucase_toFullTitle(c, utf16_caseContextIterator, &csc, &s, caseLocale);
destIndex=appendResult(dest, destIndex, destCapacity, c, s,
titleLimit-titleStart, options, edits);
if(destIndex<0) {
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
if (titleStart+1 < index &&
caseLocale == UCASE_LOC_DUTCH &&
(src[titleStart] == 0x0049 || src[titleStart] == 0x0069)) {
if (src[titleStart+1] == 0x006A) {
destIndex=appendUChar(dest, destIndex, destCapacity, 0x004A);
if(destIndex<0) {
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
if(edits!=NULL) {
edits->addReplace(1, 1);
}
titleLimit++;
} else if (src[titleStart+1] == 0x004A) {
destIndex=appendUnchanged(dest, destIndex, destCapacity,
src+titleStart+1, 1, options, edits);
if(destIndex<0) {
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
titleLimit++;
}
}
if(titleLimit<index) {
if((options&U_TITLECASE_NO_LOWERCASE)==0) {
destIndex+=
toLower(
caseLocale, options,
dest+destIndex, destCapacity-destIndex,
src, &csc, titleLimit, index,
edits, errorCode);
if(errorCode==U_BUFFER_OVERFLOW_ERROR) {
errorCode=U_ZERO_ERROR;
}
if(U_FAILURE(errorCode)) {
return destIndex;
}
} else {
destIndex=appendUnchanged(dest, destIndex, destCapacity,
src+titleLimit, index-titleLimit, options, edits);
if(destIndex<0) {
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
}
}
}
}
prev=index;
}
return checkOverflowAndEditsError(destIndex, destCapacity, edits, errorCode);
}
#endif // !UCONFIG_NO_BREAK_ITERATION
U_NAMESPACE_BEGIN
namespace GreekUpper {
static const uint16_t data0370[] = {
0x0370,
0x0370,
0x0372,
0x0372,
0,
0,
0x0376,
0x0376,
0,
0,
0x037A,
0x03FD,
0x03FE,
0x03FF,
0,
0x037F,
0,
0,
0,
0,
0,
0,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0,
0x039F | HAS_VOWEL | HAS_ACCENT,
0,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x0391 | HAS_VOWEL,
0x0392,
0x0393,
0x0394,
0x0395 | HAS_VOWEL,
0x0396,
0x0397 | HAS_VOWEL,
0x0398,
0x0399 | HAS_VOWEL,
0x039A,
0x039B,
0x039C,
0x039D,
0x039E,
0x039F | HAS_VOWEL,
0x03A0,
0x03A1,
0,
0x03A3,
0x03A4,
0x03A5 | HAS_VOWEL,
0x03A6,
0x03A7,
0x03A8,
0x03A9 | HAS_VOWEL,
0x0399 | HAS_VOWEL | HAS_DIALYTIKA,
0x03A5 | HAS_VOWEL | HAS_DIALYTIKA,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x0391 | HAS_VOWEL,
0x0392,
0x0393,
0x0394,
0x0395 | HAS_VOWEL,
0x0396,
0x0397 | HAS_VOWEL,
0x0398,
0x0399 | HAS_VOWEL,
0x039A,
0x039B,
0x039C,
0x039D,
0x039E,
0x039F | HAS_VOWEL,
0x03A0,
0x03A1,
0x03A3,
0x03A3,
0x03A4,
0x03A5 | HAS_VOWEL,
0x03A6,
0x03A7,
0x03A8,
0x03A9 | HAS_VOWEL,
0x0399 | HAS_VOWEL | HAS_DIALYTIKA,
0x03A5 | HAS_VOWEL | HAS_DIALYTIKA,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03CF,
0x0392,
0x0398,
0x03D2,
0x03D2 | HAS_ACCENT,
0x03D2 | HAS_DIALYTIKA,
0x03A6,
0x03A0,
0x03CF,
0x03D8,
0x03D8,
0x03DA,
0x03DA,
0x03DC,
0x03DC,
0x03DE,
0x03DE,
0x03E0,
0x03E0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0x039A,
0x03A1,
0x03F9,
0x037F,
0x03F4,
0x0395 | HAS_VOWEL,
0,
0x03F7,
0x03F7,
0x03F9,
0x03FA,
0x03FA,
0x03FC,
0x03FD,
0x03FE,
0x03FF,
};
static const uint16_t data1F00[] = {
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL,
0x0395 | HAS_VOWEL,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0,
0,
0x0395 | HAS_VOWEL,
0x0395 | HAS_VOWEL,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0,
0,
0x0397 | HAS_VOWEL,
0x0397 | HAS_VOWEL,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL,
0x0397 | HAS_VOWEL,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL,
0x039F | HAS_VOWEL,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0,
0,
0x039F | HAS_VOWEL,
0x039F | HAS_VOWEL,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0,
0,
0x03A5 | HAS_VOWEL,
0x03A5 | HAS_VOWEL,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0,
0x03A5 | HAS_VOWEL,
0,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL,
0x03A9 | HAS_VOWEL,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL,
0x03A9 | HAS_VOWEL,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0,
0,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_ACCENT,
0x0391 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0,
0x0399 | HAS_VOWEL,
0,
0,
0,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0395 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_ACCENT,
0x0397 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0,
0,
0,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x0399 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0,
0,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0x0399 | HAS_VOWEL | HAS_ACCENT,
0,
0,
0,
0,
0x03A5 | HAS_VOWEL,
0x03A5 | HAS_VOWEL,
0x03A5 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x03A5 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x03A1,
0x03A1,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT | HAS_DIALYTIKA,
0x03A5 | HAS_VOWEL,
0x03A5 | HAS_VOWEL,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A5 | HAS_VOWEL | HAS_ACCENT,
0x03A1,
0,
0,
0,
0,
0,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x039F | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_ACCENT,
0x03A9 | HAS_VOWEL | HAS_YPOGEGRAMMENI,
0,
0,
0,
};
static const uint16_t data2126 = 0x03A9 | HAS_VOWEL;
uint32_t getLetterData(UChar32 c) {
if (c < 0x370 || 0x2126 < c || (0x3ff < c && c < 0x1f00)) {
return 0;
} else if (c <= 0x3ff) {
return data0370[c - 0x370];
} else if (c <= 0x1fff) {
return data1F00[c - 0x1f00];
} else if (c == 0x2126) {
return data2126;
} else {
return 0;
}
}
uint32_t getDiacriticData(UChar32 c) {
switch (c) {
case 0x0300: case 0x0301: case 0x0342: case 0x0302: case 0x0303: case 0x0311: return HAS_ACCENT;
case 0x0308: return HAS_COMBINING_DIALYTIKA;
case 0x0344: return HAS_COMBINING_DIALYTIKA | HAS_ACCENT;
case 0x0345: return HAS_YPOGEGRAMMENI;
case 0x0304: case 0x0306: case 0x0313: case 0x0314: case 0x0343: return HAS_OTHER_GREEK_DIACRITIC;
default:
return 0;
}
}
UBool isFollowedByCasedLetter(const UChar *s, int32_t i, int32_t length) {
while (i < length) {
UChar32 c;
U16_NEXT(s, i, length, c);
int32_t type = ucase_getTypeOrIgnorable(c);
if ((type & UCASE_IGNORABLE) != 0) {
} else if (type != UCASE_NONE) {
return TRUE; } else {
return FALSE; }
}
return FALSE; }
int32_t toUpper(uint32_t options,
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
Edits *edits,
UErrorCode &errorCode) {
int32_t destIndex=0;
uint32_t state = 0;
for (int32_t i = 0; i < srcLength;) {
int32_t nextIndex = i;
UChar32 c;
U16_NEXT(src, nextIndex, srcLength, c);
uint32_t nextState = 0;
int32_t type = ucase_getTypeOrIgnorable(c);
if ((type & UCASE_IGNORABLE) != 0) {
nextState |= (state & AFTER_CASED);
} else if (type != UCASE_NONE) {
nextState |= AFTER_CASED;
}
uint32_t data = getLetterData(c);
if (data > 0) {
uint32_t upper = data & UPPER_MASK;
if ((data & HAS_VOWEL) != 0 && (state & AFTER_VOWEL_WITH_ACCENT) != 0 &&
(upper == 0x399 || upper == 0x3A5)) {
data |= HAS_DIALYTIKA;
}
int32_t numYpogegrammeni = 0; if ((data & HAS_YPOGEGRAMMENI) != 0) {
numYpogegrammeni = 1;
}
while (nextIndex < srcLength) {
uint32_t diacriticData = getDiacriticData(src[nextIndex]);
if (diacriticData != 0) {
data |= diacriticData;
if ((diacriticData & HAS_YPOGEGRAMMENI) != 0) {
++numYpogegrammeni;
}
++nextIndex;
} else {
break; }
}
if ((data & HAS_VOWEL_AND_ACCENT_AND_DIALYTIKA) == HAS_VOWEL_AND_ACCENT) {
nextState |= AFTER_VOWEL_WITH_ACCENT;
}
UBool addTonos = FALSE;
if (upper == 0x397 &&
(data & HAS_ACCENT) != 0 &&
numYpogegrammeni == 0 &&
(state & AFTER_CASED) == 0 &&
!isFollowedByCasedLetter(src, nextIndex, srcLength)) {
if (i == nextIndex) {
upper = 0x389; } else {
addTonos = TRUE;
}
} else if ((data & HAS_DIALYTIKA) != 0) {
if (upper == 0x399) {
upper = 0x3AA;
data &= ~HAS_EITHER_DIALYTIKA;
} else if (upper == 0x3A5) {
upper = 0x3AB;
data &= ~HAS_EITHER_DIALYTIKA;
}
}
UBool change;
if (edits == nullptr && (options & U_OMIT_UNCHANGED_TEXT) == 0) {
change = TRUE; } else {
change = src[i] != upper || numYpogegrammeni > 0;
int32_t i2 = i + 1;
if ((data & HAS_EITHER_DIALYTIKA) != 0) {
change |= i2 >= nextIndex || src[i2] != 0x308;
++i2;
}
if (addTonos) {
change |= i2 >= nextIndex || src[i2] != 0x301;
++i2;
}
int32_t oldLength = nextIndex - i;
int32_t newLength = (i2 - i) + numYpogegrammeni;
change |= oldLength != newLength;
if (change) {
if (edits != NULL) {
edits->addReplace(oldLength, newLength);
}
} else {
if (edits != NULL) {
edits->addUnchanged(oldLength);
}
change = (options & U_OMIT_UNCHANGED_TEXT) == 0;
}
}
if (change) {
destIndex=appendUChar(dest, destIndex, destCapacity, (UChar)upper);
if (destIndex >= 0 && (data & HAS_EITHER_DIALYTIKA) != 0) {
destIndex=appendUChar(dest, destIndex, destCapacity, 0x308); }
if (destIndex >= 0 && addTonos) {
destIndex=appendUChar(dest, destIndex, destCapacity, 0x301);
}
while (destIndex >= 0 && numYpogegrammeni > 0) {
destIndex=appendUChar(dest, destIndex, destCapacity, 0x399);
--numYpogegrammeni;
}
if(destIndex<0) {
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
}
} else {
const UChar *s;
c=ucase_toFullUpper(c, NULL, NULL, &s, UCASE_LOC_GREEK);
destIndex = appendResult(dest, destIndex, destCapacity, c, s,
nextIndex - i, options, edits);
if (destIndex < 0) {
errorCode = U_INDEX_OUTOFBOUNDS_ERROR;
return 0;
}
}
i = nextIndex;
state = nextState;
}
return destIndex;
}
} U_NAMESPACE_END
U_CFUNC int32_t U_CALLCONV
ustrcase_internalToLower(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_UNUSED
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
icu::Edits *edits,
UErrorCode &errorCode) {
UCaseContext csc=UCASECONTEXT_INITIALIZER;
csc.p=(void *)src;
csc.limit=srcLength;
int32_t destIndex = toLower(
caseLocale, options,
dest, destCapacity,
src, &csc, 0, srcLength,
edits, errorCode);
return checkOverflowAndEditsError(destIndex, destCapacity, edits, errorCode);
}
U_CFUNC int32_t U_CALLCONV
ustrcase_internalToUpper(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_UNUSED
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
icu::Edits *edits,
UErrorCode &errorCode) {
int32_t destIndex;
if (caseLocale == UCASE_LOC_GREEK) {
destIndex = GreekUpper::toUpper(options, dest, destCapacity,
src, srcLength, edits, errorCode);
} else {
UCaseContext csc=UCASECONTEXT_INITIALIZER;
csc.p=(void *)src;
csc.limit=srcLength;
destIndex = toUpper(
caseLocale, options,
dest, destCapacity,
src, &csc, srcLength,
edits, errorCode);
}
return checkOverflowAndEditsError(destIndex, destCapacity, edits, errorCode);
}
U_CFUNC int32_t U_CALLCONV
ustrcase_internalFold(int32_t , uint32_t options, UCASEMAP_BREAK_ITERATOR_UNUSED
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
icu::Edits *edits,
UErrorCode &errorCode) {
int32_t destIndex = toLower(
-1, options,
dest, destCapacity,
src, nullptr, 0, srcLength,
edits, errorCode);
return checkOverflowAndEditsError(destIndex, destCapacity, edits, errorCode);
}
U_CFUNC int32_t
ustrcase_map(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
UStringCaseMapper *stringCaseMapper,
icu::Edits *edits,
UErrorCode &errorCode) {
int32_t destLength;
if(U_FAILURE(errorCode)) {
return 0;
}
if( destCapacity<0 ||
(dest==NULL && destCapacity>0) ||
src==NULL ||
srcLength<-1
) {
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
if(srcLength==-1) {
srcLength=u_strlen(src);
}
if( dest!=NULL &&
((src>=dest && src<(dest+destCapacity)) ||
(dest>=src && dest<(src+srcLength)))
) {
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
if (edits != nullptr && (options & U_EDITS_NO_RESET) == 0) {
edits->reset();
}
destLength=stringCaseMapper(caseLocale, options, UCASEMAP_BREAK_ITERATOR
dest, destCapacity, src, srcLength, edits, errorCode);
return u_terminateUChars(dest, destCapacity, destLength, &errorCode);
}
U_CFUNC int32_t
ustrcase_mapWithOverlap(int32_t caseLocale, uint32_t options, UCASEMAP_BREAK_ITERATOR_PARAM
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
UStringCaseMapper *stringCaseMapper,
UErrorCode &errorCode) {
UChar buffer[300];
UChar *temp;
int32_t destLength;
if(U_FAILURE(errorCode)) {
return 0;
}
if( destCapacity<0 ||
(dest==NULL && destCapacity>0) ||
src==NULL ||
srcLength<-1
) {
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
if(srcLength==-1) {
srcLength=u_strlen(src);
}
if( dest!=NULL &&
((src>=dest && src<(dest+destCapacity)) ||
(dest>=src && dest<(src+srcLength)))
) {
if(destCapacity<=UPRV_LENGTHOF(buffer)) {
temp=buffer;
} else {
temp=(UChar *)uprv_malloc(destCapacity*U_SIZEOF_UCHAR);
if(temp==NULL) {
errorCode=U_MEMORY_ALLOCATION_ERROR;
return 0;
}
}
} else {
temp=dest;
}
destLength=stringCaseMapper(caseLocale, options, UCASEMAP_BREAK_ITERATOR
temp, destCapacity, src, srcLength, NULL, errorCode);
if(temp!=dest) {
if (U_SUCCESS(errorCode) && 0 < destLength && destLength <= destCapacity) {
u_memmove(dest, temp, destLength);
}
if(temp!=buffer) {
uprv_free(temp);
}
}
return u_terminateUChars(dest, destCapacity, destLength, &errorCode);
}
U_CAPI int32_t U_EXPORT2
u_strFoldCase(UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
uint32_t options,
UErrorCode *pErrorCode) {
return ustrcase_mapWithOverlap(
UCASE_LOC_ROOT, options, UCASEMAP_BREAK_ITERATOR_NULL
dest, destCapacity,
src, srcLength,
ustrcase_internalFold, *pErrorCode);
}
U_NAMESPACE_BEGIN
int32_t CaseMap::fold(
uint32_t options,
const UChar *src, int32_t srcLength,
UChar *dest, int32_t destCapacity, Edits *edits,
UErrorCode &errorCode) {
return ustrcase_map(
UCASE_LOC_ROOT, options, UCASEMAP_BREAK_ITERATOR_NULL
dest, destCapacity,
src, srcLength,
ustrcase_internalFold, edits, errorCode);
}
U_NAMESPACE_END
struct CmpEquivLevel {
const UChar *start, *s, *limit;
};
typedef struct CmpEquivLevel CmpEquivLevel;
static int32_t _cmpFold(
const UChar *s1, int32_t length1,
const UChar *s2, int32_t length2,
uint32_t options,
int32_t *matchLen1, int32_t *matchLen2,
UErrorCode *pErrorCode) {
int32_t cmpRes = 0;
const UChar *start1, *start2, *limit1, *limit2;
const UChar *org1, *org2;
const UChar *m1, *m2;
const UChar *p;
int32_t length;
CmpEquivLevel stack1[2], stack2[2];
UChar fold1[UCASE_MAX_STRING_LENGTH+1], fold2[UCASE_MAX_STRING_LENGTH+1];
int32_t level1, level2;
UChar32 c1, c2, cp1, cp2;
if(U_FAILURE(*pErrorCode)) {
return 0;
}
if(matchLen1) {
U_ASSERT(matchLen2 !=NULL);
*matchLen1=0;
*matchLen2=0;
}
start1=m1=org1=s1;
if(length1==-1) {
limit1=NULL;
} else {
limit1=s1+length1;
}
start2=m2=org2=s2;
if(length2==-1) {
limit2=NULL;
} else {
limit2=s2+length2;
}
level1=level2=0;
c1=c2=-1;
for(;;) {
if(c1<0) {
for(;;) {
if(s1==limit1 || ((c1=*s1)==0 && (limit1==NULL || (options&_STRNCMP_STYLE)))) {
if(level1==0) {
c1=-1;
break;
}
} else {
++s1;
break;
}
do {
--level1;
start1=stack1[level1].start;
} while(start1==NULL);
s1=stack1[level1].s;
limit1=stack1[level1].limit;
}
}
if(c2<0) {
for(;;) {
if(s2==limit2 || ((c2=*s2)==0 && (limit2==NULL || (options&_STRNCMP_STYLE)))) {
if(level2==0) {
c2=-1;
break;
}
} else {
++s2;
break;
}
do {
--level2;
start2=stack2[level2].start;
} while(start2==NULL);
s2=stack2[level2].s;
limit2=stack2[level2].limit;
}
}
if(c1==c2) {
const UChar *next1, *next2;
if(c1<0) {
cmpRes=0;
break;
}
next1=next2=NULL;
if(level1==0) {
next1=s1;
} else if(s1==limit1) {
U_ASSERT(level1==1);
next1=stack1[0].s;
}
if (next1!=NULL) {
if(level2==0) {
next2=s2;
} else if(s2==limit2) {
U_ASSERT(level2==1);
next2=stack2[0].s;
}
if(next2!=NULL) {
m1=next1;
m2=next2;
}
}
c1=c2=-1;
continue;
} else if(c1<0) {
cmpRes=-1;
break;
} else if(c2<0) {
cmpRes=1;
break;
}
cp1=c1;
if(U_IS_SURROGATE(c1)) {
UChar c;
if(U_IS_SURROGATE_LEAD(c1)) {
if(s1!=limit1 && U16_IS_TRAIL(c=*s1)) {
cp1=U16_GET_SUPPLEMENTARY(c1, c);
}
} else {
if(start1<=(s1-2) && U16_IS_LEAD(c=*(s1-2))) {
cp1=U16_GET_SUPPLEMENTARY(c, c1);
}
}
}
cp2=c2;
if(U_IS_SURROGATE(c2)) {
UChar c;
if(U_IS_SURROGATE_LEAD(c2)) {
if(s2!=limit2 && U16_IS_TRAIL(c=*s2)) {
cp2=U16_GET_SUPPLEMENTARY(c2, c);
}
} else {
if(start2<=(s2-2) && U16_IS_LEAD(c=*(s2-2))) {
cp2=U16_GET_SUPPLEMENTARY(c, c2);
}
}
}
if( level1==0 &&
(length=ucase_toFullFolding((UChar32)cp1, &p, options))>=0
) {
if(U_IS_SURROGATE(c1)) {
if(U_IS_SURROGATE_LEAD(c1)) {
++s1;
} else {
--s2;
--m2;
c2=*(s2-1);
}
}
stack1[0].start=start1;
stack1[0].s=s1;
stack1[0].limit=limit1;
++level1;
if(length<=UCASE_MAX_STRING_LENGTH) {
u_memcpy(fold1, p, length);
} else {
int32_t i=0;
U16_APPEND_UNSAFE(fold1, i, length);
length=i;
}
start1=s1=fold1;
limit1=fold1+length;
c1=-1;
continue;
}
if( level2==0 &&
(length=ucase_toFullFolding((UChar32)cp2, &p, options))>=0
) {
if(U_IS_SURROGATE(c2)) {
if(U_IS_SURROGATE_LEAD(c2)) {
++s2;
} else {
--s1;
--m2;
c1=*(s1-1);
}
}
stack2[0].start=start2;
stack2[0].s=s2;
stack2[0].limit=limit2;
++level2;
if(length<=UCASE_MAX_STRING_LENGTH) {
u_memcpy(fold2, p, length);
} else {
int32_t i=0;
U16_APPEND_UNSAFE(fold2, i, length);
length=i;
}
start2=s2=fold2;
limit2=fold2+length;
c2=-1;
continue;
}
if(c1>=0xd800 && c2>=0xd800 && (options&U_COMPARE_CODE_POINT_ORDER)) {
if(
(c1<=0xdbff && s1!=limit1 && U16_IS_TRAIL(*s1)) ||
(U16_IS_TRAIL(c1) && start1!=(s1-1) && U16_IS_LEAD(*(s1-2)))
) {
} else {
c1-=0x2800;
}
if(
(c2<=0xdbff && s2!=limit2 && U16_IS_TRAIL(*s2)) ||
(U16_IS_TRAIL(c2) && start2!=(s2-1) && U16_IS_LEAD(*(s2-2)))
) {
} else {
c2-=0x2800;
}
}
cmpRes=c1-c2;
break;
}
if(matchLen1) {
*matchLen1=static_cast<int32_t>(m1-org1);
*matchLen2=static_cast<int32_t>(m2-org2);
}
return cmpRes;
}
U_CFUNC int32_t
u_strcmpFold(const UChar *s1, int32_t length1,
const UChar *s2, int32_t length2,
uint32_t options,
UErrorCode *pErrorCode) {
return _cmpFold(s1, length1, s2, length2, options, NULL, NULL, pErrorCode);
}
U_CAPI int32_t U_EXPORT2
u_strCaseCompare(const UChar *s1, int32_t length1,
const UChar *s2, int32_t length2,
uint32_t options,
UErrorCode *pErrorCode) {
if(pErrorCode==0 || U_FAILURE(*pErrorCode)) {
return 0;
}
if(s1==NULL || length1<-1 || s2==NULL || length2<-1) {
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
return u_strcmpFold(s1, length1, s2, length2,
options|U_COMPARE_IGNORE_CASE,
pErrorCode);
}
U_CAPI int32_t U_EXPORT2
u_strcasecmp(const UChar *s1, const UChar *s2, uint32_t options) {
UErrorCode errorCode=U_ZERO_ERROR;
return u_strcmpFold(s1, -1, s2, -1,
options|U_COMPARE_IGNORE_CASE,
&errorCode);
}
U_CAPI int32_t U_EXPORT2
u_memcasecmp(const UChar *s1, const UChar *s2, int32_t length, uint32_t options) {
UErrorCode errorCode=U_ZERO_ERROR;
return u_strcmpFold(s1, length, s2, length,
options|U_COMPARE_IGNORE_CASE,
&errorCode);
}
U_CAPI int32_t U_EXPORT2
u_strncasecmp(const UChar *s1, const UChar *s2, int32_t n, uint32_t options) {
UErrorCode errorCode=U_ZERO_ERROR;
return u_strcmpFold(s1, n, s2, n,
options|(U_COMPARE_IGNORE_CASE|_STRNCMP_STYLE),
&errorCode);
}
U_CAPI void
u_caseInsensitivePrefixMatch(const UChar *s1, int32_t length1,
const UChar *s2, int32_t length2,
uint32_t options,
int32_t *matchLen1, int32_t *matchLen2,
UErrorCode *pErrorCode) {
_cmpFold(s1, length1, s2, length2, options,
matchLen1, matchLen2, pErrorCode);
}