567 lines
18 KiB
C++
567 lines
18 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
|
|
// License & terms of use: http://www.unicode.org/copyright.html
|
|
/*
|
|
*******************************************************************************
|
|
*
|
|
* Copyright (C) 2009-2016, International Business Machines
|
|
* Corporation and others. All Rights Reserved.
|
|
*
|
|
*******************************************************************************
|
|
* file name: normalizer2.cpp
|
|
* encoding: UTF-8
|
|
* tab size: 8 (not used)
|
|
* indentation:4
|
|
*
|
|
* created on: 2009nov22
|
|
* created by: Markus W. Scherer
|
|
*/
|
|
|
|
#include "unicode/utypes.h"
|
|
|
|
#if !UCONFIG_NO_NORMALIZATION
|
|
|
|
#include "unicode/edits.h"
|
|
#include "unicode/normalizer2.h"
|
|
#include "unicode/stringoptions.h"
|
|
#include "unicode/unistr.h"
|
|
#include "unicode/unorm.h"
|
|
#include "cstring.h"
|
|
#include "mutex.h"
|
|
#include "norm2allmodes.h"
|
|
#include "normalizer2impl.h"
|
|
#include "uassert.h"
|
|
#include "ucln_cmn.h"
|
|
|
|
using icu::Normalizer2Impl;
|
|
|
|
// NFC/NFD data machine-generated by gennorm2 --csource
|
|
#define INCLUDED_FROM_NORMALIZER2_CPP
|
|
#include "norm2_nfc_data.h"
|
|
|
|
U_NAMESPACE_BEGIN
|
|
|
|
// Public API dispatch via Normalizer2 subclasses -------------------------- ***
|
|
|
|
Normalizer2::~Normalizer2() {}
|
|
|
|
void
|
|
Normalizer2::normalizeUTF8(uint32_t /*options*/, StringPiece src, ByteSink &sink,
|
|
Edits *edits, UErrorCode &errorCode) const {
|
|
if (U_FAILURE(errorCode)) {
|
|
return;
|
|
}
|
|
if (edits != nullptr) {
|
|
errorCode = U_UNSUPPORTED_ERROR;
|
|
return;
|
|
}
|
|
UnicodeString src16 = UnicodeString::fromUTF8(src);
|
|
normalize(src16, errorCode).toUTF8(sink);
|
|
}
|
|
|
|
UBool
|
|
Normalizer2::getRawDecomposition(UChar32, UnicodeString &) const {
|
|
return FALSE;
|
|
}
|
|
|
|
UChar32
|
|
Normalizer2::composePair(UChar32, UChar32) const {
|
|
return U_SENTINEL;
|
|
}
|
|
|
|
uint8_t
|
|
Normalizer2::getCombiningClass(UChar32 /*c*/) const {
|
|
return 0;
|
|
}
|
|
|
|
UBool
|
|
Normalizer2::isNormalizedUTF8(StringPiece s, UErrorCode &errorCode) const {
|
|
return U_SUCCESS(errorCode) && isNormalized(UnicodeString::fromUTF8(s), errorCode);
|
|
}
|
|
|
|
// Normalizer2 implementation for the old UNORM_NONE.
|
|
class NoopNormalizer2 : public Normalizer2 {
|
|
virtual ~NoopNormalizer2();
|
|
|
|
virtual UnicodeString &
|
|
normalize(const UnicodeString &src,
|
|
UnicodeString &dest,
|
|
UErrorCode &errorCode) const U_OVERRIDE {
|
|
if(U_SUCCESS(errorCode)) {
|
|
if(&dest!=&src) {
|
|
dest=src;
|
|
} else {
|
|
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
}
|
|
}
|
|
return dest;
|
|
}
|
|
virtual void
|
|
normalizeUTF8(uint32_t options, StringPiece src, ByteSink &sink,
|
|
Edits *edits, UErrorCode &errorCode) const U_OVERRIDE {
|
|
if(U_SUCCESS(errorCode)) {
|
|
if (edits != nullptr) {
|
|
if ((options & U_EDITS_NO_RESET) == 0) {
|
|
edits->reset();
|
|
}
|
|
edits->addUnchanged(src.length());
|
|
}
|
|
if ((options & U_OMIT_UNCHANGED_TEXT) == 0) {
|
|
sink.Append(src.data(), src.length());
|
|
}
|
|
sink.Flush();
|
|
}
|
|
}
|
|
|
|
virtual UnicodeString &
|
|
normalizeSecondAndAppend(UnicodeString &first,
|
|
const UnicodeString &second,
|
|
UErrorCode &errorCode) const U_OVERRIDE {
|
|
if(U_SUCCESS(errorCode)) {
|
|
if(&first!=&second) {
|
|
first.append(second);
|
|
} else {
|
|
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
}
|
|
}
|
|
return first;
|
|
}
|
|
virtual UnicodeString &
|
|
append(UnicodeString &first,
|
|
const UnicodeString &second,
|
|
UErrorCode &errorCode) const U_OVERRIDE {
|
|
if(U_SUCCESS(errorCode)) {
|
|
if(&first!=&second) {
|
|
first.append(second);
|
|
} else {
|
|
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
}
|
|
}
|
|
return first;
|
|
}
|
|
virtual UBool
|
|
getDecomposition(UChar32, UnicodeString &) const U_OVERRIDE {
|
|
return FALSE;
|
|
}
|
|
// No need to U_OVERRIDE the default getRawDecomposition().
|
|
virtual UBool
|
|
isNormalized(const UnicodeString &, UErrorCode &errorCode) const U_OVERRIDE {
|
|
return U_SUCCESS(errorCode);
|
|
}
|
|
virtual UBool
|
|
isNormalizedUTF8(StringPiece, UErrorCode &errorCode) const U_OVERRIDE {
|
|
return U_SUCCESS(errorCode);
|
|
}
|
|
virtual UNormalizationCheckResult
|
|
quickCheck(const UnicodeString &, UErrorCode &) const U_OVERRIDE {
|
|
return UNORM_YES;
|
|
}
|
|
virtual int32_t
|
|
spanQuickCheckYes(const UnicodeString &s, UErrorCode &) const U_OVERRIDE {
|
|
return s.length();
|
|
}
|
|
virtual UBool hasBoundaryBefore(UChar32) const U_OVERRIDE { return TRUE; }
|
|
virtual UBool hasBoundaryAfter(UChar32) const U_OVERRIDE { return TRUE; }
|
|
virtual UBool isInert(UChar32) const U_OVERRIDE { return TRUE; }
|
|
};
|
|
|
|
NoopNormalizer2::~NoopNormalizer2() {}
|
|
|
|
Normalizer2WithImpl::~Normalizer2WithImpl() {}
|
|
|
|
DecomposeNormalizer2::~DecomposeNormalizer2() {}
|
|
|
|
ComposeNormalizer2::~ComposeNormalizer2() {}
|
|
|
|
FCDNormalizer2::~FCDNormalizer2() {}
|
|
|
|
// instance cache ---------------------------------------------------------- ***
|
|
|
|
Norm2AllModes::~Norm2AllModes() {
|
|
delete impl;
|
|
}
|
|
|
|
Norm2AllModes *
|
|
Norm2AllModes::createInstance(Normalizer2Impl *impl, UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
delete impl;
|
|
return NULL;
|
|
}
|
|
Norm2AllModes *allModes=new Norm2AllModes(impl);
|
|
if(allModes==NULL) {
|
|
errorCode=U_MEMORY_ALLOCATION_ERROR;
|
|
delete impl;
|
|
return NULL;
|
|
}
|
|
return allModes;
|
|
}
|
|
|
|
Norm2AllModes *
|
|
Norm2AllModes::createNFCInstance(UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return NULL;
|
|
}
|
|
Normalizer2Impl *impl=new Normalizer2Impl;
|
|
if(impl==NULL) {
|
|
errorCode=U_MEMORY_ALLOCATION_ERROR;
|
|
return NULL;
|
|
}
|
|
impl->init(norm2_nfc_data_indexes, &norm2_nfc_data_trie,
|
|
norm2_nfc_data_extraData, norm2_nfc_data_smallFCD);
|
|
return createInstance(impl, errorCode);
|
|
}
|
|
|
|
U_CDECL_BEGIN
|
|
static UBool U_CALLCONV uprv_normalizer2_cleanup();
|
|
U_CDECL_END
|
|
|
|
static Norm2AllModes *nfcSingleton;
|
|
static Normalizer2 *noopSingleton;
|
|
|
|
static icu::UInitOnce nfcInitOnce = U_INITONCE_INITIALIZER;
|
|
static icu::UInitOnce noopInitOnce = U_INITONCE_INITIALIZER;
|
|
|
|
// UInitOnce singleton initialization functions
|
|
static void U_CALLCONV initNFCSingleton(UErrorCode &errorCode) {
|
|
nfcSingleton=Norm2AllModes::createNFCInstance(errorCode);
|
|
ucln_common_registerCleanup(UCLN_COMMON_NORMALIZER2, uprv_normalizer2_cleanup);
|
|
}
|
|
|
|
static void U_CALLCONV initNoopSingleton(UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return;
|
|
}
|
|
noopSingleton=new NoopNormalizer2;
|
|
if(noopSingleton==NULL) {
|
|
errorCode=U_MEMORY_ALLOCATION_ERROR;
|
|
return;
|
|
}
|
|
ucln_common_registerCleanup(UCLN_COMMON_NORMALIZER2, uprv_normalizer2_cleanup);
|
|
}
|
|
|
|
U_CDECL_BEGIN
|
|
|
|
static UBool U_CALLCONV uprv_normalizer2_cleanup() {
|
|
delete nfcSingleton;
|
|
nfcSingleton = NULL;
|
|
delete noopSingleton;
|
|
noopSingleton = NULL;
|
|
nfcInitOnce.reset();
|
|
noopInitOnce.reset();
|
|
return TRUE;
|
|
}
|
|
|
|
U_CDECL_END
|
|
|
|
const Norm2AllModes *
|
|
Norm2AllModes::getNFCInstance(UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) { return NULL; }
|
|
umtx_initOnce(nfcInitOnce, &initNFCSingleton, errorCode);
|
|
return nfcSingleton;
|
|
}
|
|
|
|
const Normalizer2 *
|
|
Normalizer2::getNFCInstance(UErrorCode &errorCode) {
|
|
const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
|
|
return allModes!=NULL ? &allModes->comp : NULL;
|
|
}
|
|
|
|
const Normalizer2 *
|
|
Normalizer2::getNFDInstance(UErrorCode &errorCode) {
|
|
const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
|
|
return allModes!=NULL ? &allModes->decomp : NULL;
|
|
}
|
|
|
|
const Normalizer2 *Normalizer2Factory::getFCDInstance(UErrorCode &errorCode) {
|
|
const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
|
|
return allModes!=NULL ? &allModes->fcd : NULL;
|
|
}
|
|
|
|
const Normalizer2 *Normalizer2Factory::getFCCInstance(UErrorCode &errorCode) {
|
|
const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
|
|
return allModes!=NULL ? &allModes->fcc : NULL;
|
|
}
|
|
|
|
const Normalizer2 *Normalizer2Factory::getNoopInstance(UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) { return NULL; }
|
|
umtx_initOnce(noopInitOnce, &initNoopSingleton, errorCode);
|
|
return noopSingleton;
|
|
}
|
|
|
|
const Normalizer2Impl *
|
|
Normalizer2Factory::getNFCImpl(UErrorCode &errorCode) {
|
|
const Norm2AllModes *allModes=Norm2AllModes::getNFCInstance(errorCode);
|
|
return allModes!=NULL ? allModes->impl : NULL;
|
|
}
|
|
|
|
const Normalizer2Impl *
|
|
Normalizer2Factory::getImpl(const Normalizer2 *norm2) {
|
|
return &((Normalizer2WithImpl *)norm2)->impl;
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
// C API ------------------------------------------------------------------- ***
|
|
|
|
U_NAMESPACE_USE
|
|
|
|
U_CAPI const UNormalizer2 * U_EXPORT2
|
|
unorm2_getNFCInstance(UErrorCode *pErrorCode) {
|
|
return (const UNormalizer2 *)Normalizer2::getNFCInstance(*pErrorCode);
|
|
}
|
|
|
|
U_CAPI const UNormalizer2 * U_EXPORT2
|
|
unorm2_getNFDInstance(UErrorCode *pErrorCode) {
|
|
return (const UNormalizer2 *)Normalizer2::getNFDInstance(*pErrorCode);
|
|
}
|
|
|
|
U_CAPI void U_EXPORT2
|
|
unorm2_close(UNormalizer2 *norm2) {
|
|
delete (Normalizer2 *)norm2;
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
unorm2_normalize(const UNormalizer2 *norm2,
|
|
const UChar *src, int32_t length,
|
|
UChar *dest, int32_t capacity,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
if( (src==NULL ? length!=0 : length<-1) ||
|
|
(dest==NULL ? capacity!=0 : capacity<0) ||
|
|
(src==dest && src!=NULL)
|
|
) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
UnicodeString destString(dest, 0, capacity);
|
|
// length==0: Nothing to do, and n2wi->normalize(NULL, NULL, buffer, ...) would crash.
|
|
if(length!=0) {
|
|
const Normalizer2 *n2=(const Normalizer2 *)norm2;
|
|
const Normalizer2WithImpl *n2wi=dynamic_cast<const Normalizer2WithImpl *>(n2);
|
|
if(n2wi!=NULL) {
|
|
// Avoid duplicate argument checking and support NUL-terminated src.
|
|
ReorderingBuffer buffer(n2wi->impl, destString);
|
|
if(buffer.init(length, *pErrorCode)) {
|
|
n2wi->normalize(src, length>=0 ? src+length : NULL, buffer, *pErrorCode);
|
|
}
|
|
} else {
|
|
UnicodeString srcString(length<0, src, length);
|
|
n2->normalize(srcString, destString, *pErrorCode);
|
|
}
|
|
}
|
|
return destString.extract(dest, capacity, *pErrorCode);
|
|
}
|
|
|
|
static int32_t
|
|
normalizeSecondAndAppend(const UNormalizer2 *norm2,
|
|
UChar *first, int32_t firstLength, int32_t firstCapacity,
|
|
const UChar *second, int32_t secondLength,
|
|
UBool doNormalize,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
if( (second==NULL ? secondLength!=0 : secondLength<-1) ||
|
|
(first==NULL ? (firstCapacity!=0 || firstLength!=0) :
|
|
(firstCapacity<0 || firstLength<-1)) ||
|
|
(first==second && first!=NULL)
|
|
) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
UnicodeString firstString(first, firstLength, firstCapacity);
|
|
firstLength=firstString.length(); // In case it was -1.
|
|
// secondLength==0: Nothing to do, and n2wi->normalizeAndAppend(NULL, NULL, buffer, ...) would crash.
|
|
if(secondLength!=0) {
|
|
const Normalizer2 *n2=(const Normalizer2 *)norm2;
|
|
const Normalizer2WithImpl *n2wi=dynamic_cast<const Normalizer2WithImpl *>(n2);
|
|
if(n2wi!=NULL) {
|
|
// Avoid duplicate argument checking and support NUL-terminated src.
|
|
UnicodeString safeMiddle;
|
|
{
|
|
ReorderingBuffer buffer(n2wi->impl, firstString);
|
|
if(buffer.init(firstLength+secondLength+1, *pErrorCode)) { // destCapacity>=-1
|
|
n2wi->normalizeAndAppend(second, secondLength>=0 ? second+secondLength : NULL,
|
|
doNormalize, safeMiddle, buffer, *pErrorCode);
|
|
}
|
|
} // The ReorderingBuffer destructor finalizes firstString.
|
|
if(U_FAILURE(*pErrorCode) || firstString.length()>firstCapacity) {
|
|
// Restore the modified suffix of the first string.
|
|
// This does not restore first[] array contents between firstLength and firstCapacity.
|
|
// (That might be uninitialized memory, as far as we know.)
|
|
if(first!=NULL) { /* don't dereference NULL */
|
|
safeMiddle.extract(0, 0x7fffffff, first+firstLength-safeMiddle.length());
|
|
if(firstLength<firstCapacity) {
|
|
first[firstLength]=0; // NUL-terminate in case it was originally.
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
UnicodeString secondString(secondLength<0, second, secondLength);
|
|
if(doNormalize) {
|
|
n2->normalizeSecondAndAppend(firstString, secondString, *pErrorCode);
|
|
} else {
|
|
n2->append(firstString, secondString, *pErrorCode);
|
|
}
|
|
}
|
|
}
|
|
return firstString.extract(first, firstCapacity, *pErrorCode);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
unorm2_normalizeSecondAndAppend(const UNormalizer2 *norm2,
|
|
UChar *first, int32_t firstLength, int32_t firstCapacity,
|
|
const UChar *second, int32_t secondLength,
|
|
UErrorCode *pErrorCode) {
|
|
return normalizeSecondAndAppend(norm2,
|
|
first, firstLength, firstCapacity,
|
|
second, secondLength,
|
|
TRUE, pErrorCode);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
unorm2_append(const UNormalizer2 *norm2,
|
|
UChar *first, int32_t firstLength, int32_t firstCapacity,
|
|
const UChar *second, int32_t secondLength,
|
|
UErrorCode *pErrorCode) {
|
|
return normalizeSecondAndAppend(norm2,
|
|
first, firstLength, firstCapacity,
|
|
second, secondLength,
|
|
FALSE, pErrorCode);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
unorm2_getDecomposition(const UNormalizer2 *norm2,
|
|
UChar32 c, UChar *decomposition, int32_t capacity,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
if(decomposition==NULL ? capacity!=0 : capacity<0) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
UnicodeString destString(decomposition, 0, capacity);
|
|
if(reinterpret_cast<const Normalizer2 *>(norm2)->getDecomposition(c, destString)) {
|
|
return destString.extract(decomposition, capacity, *pErrorCode);
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
unorm2_getRawDecomposition(const UNormalizer2 *norm2,
|
|
UChar32 c, UChar *decomposition, int32_t capacity,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
if(decomposition==NULL ? capacity!=0 : capacity<0) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
UnicodeString destString(decomposition, 0, capacity);
|
|
if(reinterpret_cast<const Normalizer2 *>(norm2)->getRawDecomposition(c, destString)) {
|
|
return destString.extract(decomposition, capacity, *pErrorCode);
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
U_CAPI UChar32 U_EXPORT2
|
|
unorm2_composePair(const UNormalizer2 *norm2, UChar32 a, UChar32 b) {
|
|
return reinterpret_cast<const Normalizer2 *>(norm2)->composePair(a, b);
|
|
}
|
|
|
|
U_CAPI uint8_t U_EXPORT2
|
|
unorm2_getCombiningClass(const UNormalizer2 *norm2, UChar32 c) {
|
|
return reinterpret_cast<const Normalizer2 *>(norm2)->getCombiningClass(c);
|
|
}
|
|
|
|
U_CAPI UBool U_EXPORT2
|
|
unorm2_isNormalized(const UNormalizer2 *norm2,
|
|
const UChar *s, int32_t length,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
if((s==NULL && length!=0) || length<-1) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
UnicodeString sString(length<0, s, length);
|
|
return ((const Normalizer2 *)norm2)->isNormalized(sString, *pErrorCode);
|
|
}
|
|
|
|
U_CAPI UNormalizationCheckResult U_EXPORT2
|
|
unorm2_quickCheck(const UNormalizer2 *norm2,
|
|
const UChar *s, int32_t length,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return UNORM_NO;
|
|
}
|
|
if((s==NULL && length!=0) || length<-1) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return UNORM_NO;
|
|
}
|
|
UnicodeString sString(length<0, s, length);
|
|
return ((const Normalizer2 *)norm2)->quickCheck(sString, *pErrorCode);
|
|
}
|
|
|
|
U_CAPI int32_t U_EXPORT2
|
|
unorm2_spanQuickCheckYes(const UNormalizer2 *norm2,
|
|
const UChar *s, int32_t length,
|
|
UErrorCode *pErrorCode) {
|
|
if(U_FAILURE(*pErrorCode)) {
|
|
return 0;
|
|
}
|
|
if((s==NULL && length!=0) || length<-1) {
|
|
*pErrorCode=U_ILLEGAL_ARGUMENT_ERROR;
|
|
return 0;
|
|
}
|
|
UnicodeString sString(length<0, s, length);
|
|
return ((const Normalizer2 *)norm2)->spanQuickCheckYes(sString, *pErrorCode);
|
|
}
|
|
|
|
U_CAPI UBool U_EXPORT2
|
|
unorm2_hasBoundaryBefore(const UNormalizer2 *norm2, UChar32 c) {
|
|
return ((const Normalizer2 *)norm2)->hasBoundaryBefore(c);
|
|
}
|
|
|
|
U_CAPI UBool U_EXPORT2
|
|
unorm2_hasBoundaryAfter(const UNormalizer2 *norm2, UChar32 c) {
|
|
return ((const Normalizer2 *)norm2)->hasBoundaryAfter(c);
|
|
}
|
|
|
|
U_CAPI UBool U_EXPORT2
|
|
unorm2_isInert(const UNormalizer2 *norm2, UChar32 c) {
|
|
return ((const Normalizer2 *)norm2)->isInert(c);
|
|
}
|
|
|
|
// Some properties APIs ---------------------------------------------------- ***
|
|
|
|
U_CAPI uint8_t U_EXPORT2
|
|
u_getCombiningClass(UChar32 c) {
|
|
UErrorCode errorCode=U_ZERO_ERROR;
|
|
const Normalizer2 *nfd=Normalizer2::getNFDInstance(errorCode);
|
|
if(U_SUCCESS(errorCode)) {
|
|
return nfd->getCombiningClass(c);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
U_CFUNC uint16_t
|
|
unorm_getFCD16(UChar32 c) {
|
|
UErrorCode errorCode=U_ZERO_ERROR;
|
|
const Normalizer2Impl *impl=Normalizer2Factory::getNFCImpl(errorCode);
|
|
if(U_SUCCESS(errorCode)) {
|
|
return impl->getFCD16(c);
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
#endif // !UCONFIG_NO_NORMALIZATION
|