scuffed-code/icu4c/source/common/ustr_titlecase_brkiter.cpp

115 lines
3.4 KiB
C++

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2011, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: ustr_titlecase_brkiter.cpp
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2011may30
* created by: Markus W. Scherer
*
* Titlecasing functions that are based on BreakIterator
* were moved here to break dependency cycles among parts of the common library.
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_BREAK_ITERATION
#include "unicode/brkiter.h"
#include "unicode/casemap.h"
#include "unicode/localpointer.h"
#include "unicode/ubrk.h"
#include "unicode/ucasemap.h"
#include "cmemory.h"
#include "ucase.h"
#include "ucasemap_imp.h"
U_NAMESPACE_USE
/* functions available in the common library (for unistr_case.cpp) */
/* public API functions */
U_CAPI int32_t U_EXPORT2
u_strToTitle(UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
UBreakIterator *titleIter,
const char *locale,
UErrorCode *pErrorCode) {
LocalPointer<BreakIterator> ownedIter;
BreakIterator *iter;
if(titleIter!=NULL) {
iter=reinterpret_cast<BreakIterator *>(titleIter);
} else {
iter=BreakIterator::createWordInstance(Locale(locale), *pErrorCode);
ownedIter.adoptInstead(iter);
}
if(U_FAILURE(*pErrorCode)) {
return 0;
}
UnicodeString s(srcLength<0, src, srcLength);
iter->setText(s);
return ustrcase_mapWithOverlap(
ustrcase_getCaseLocale(locale), 0, iter,
dest, destCapacity,
src, srcLength,
ustrcase_internalToTitle, *pErrorCode);
}
U_NAMESPACE_BEGIN
int32_t CaseMap::toTitle(
const char *locale, uint32_t options, BreakIterator *iter,
const UChar *src, int32_t srcLength,
UChar *dest, int32_t destCapacity, Edits *edits,
UErrorCode &errorCode) {
LocalPointer<BreakIterator> ownedIter;
if(iter==NULL) {
iter=BreakIterator::createWordInstance(Locale(locale), errorCode);
ownedIter.adoptInstead(iter);
}
if(U_FAILURE(errorCode)) {
return 0;
}
UnicodeString s(srcLength<0, src, srcLength);
iter->setText(s);
return ustrcase_map(
ustrcase_getCaseLocale(locale), options, iter,
dest, destCapacity,
src, srcLength,
ustrcase_internalToTitle, edits, errorCode);
}
U_NAMESPACE_END
U_CAPI int32_t U_EXPORT2
ucasemap_toTitle(UCaseMap *csm,
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
UErrorCode *pErrorCode) {
if (U_FAILURE(*pErrorCode)) {
return 0;
}
if (csm->iter == NULL) {
csm->iter = BreakIterator::createWordInstance(Locale(csm->locale), *pErrorCode);
}
if (U_FAILURE(*pErrorCode)) {
return 0;
}
UnicodeString s(srcLength<0, src, srcLength);
csm->iter->setText(s);
return ustrcase_map(
csm->caseLocale, csm->options, csm->iter,
dest, destCapacity,
src, srcLength,
ustrcase_internalToTitle, NULL, *pErrorCode);
}
#endif // !UCONFIG_NO_BREAK_ITERATION