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// Copyright (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: unistr_titlecase_brkiter.cpp
* encoding: US-ASCII
* tab size: 8 (not used)
* indentation:2
*
* 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/ubrk.h"
#include "unicode/unistr.h"
#include "unicode/ustring.h"
#include "cmemory.h"
#include "ustr_imp.h"
static int32_t U_CALLCONV
unistr_case_internalToTitle(const UCaseMap *csm,
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
UErrorCode *pErrorCode) {
ubrk_setText(csm->iter, src, srcLength, pErrorCode);
return ustrcase_internalToTitle(csm, dest, destCapacity, src, srcLength, pErrorCode);
}
/*
* Set parameters on an empty UCaseMap, for UCaseMap-less API functions.
* Do this fast because it is called with every function call.
*/
static inline void
setTempCaseMap(UCaseMap *csm, const char *locale) {
if(csm->csp==NULL) {
csm->csp=ucase_getSingleton();
}
if(locale!=NULL && locale[0]==0) {
csm->locale[0]=0;
} else {
ustrcase_setTempCaseMapLocale(csm, locale);
}
}
U_NAMESPACE_BEGIN
UnicodeString &
UnicodeString::toTitle(BreakIterator *titleIter) {
return toTitle(titleIter, Locale::getDefault(), 0);
}
UnicodeString &
UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale) {
return toTitle(titleIter, locale, 0);
}
UnicodeString &
UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale, uint32_t options) {
UCaseMap csm=UCASEMAP_INITIALIZER;
csm.options=options;
setTempCaseMap(&csm, locale.getName());
BreakIterator *bi=titleIter;
if(bi==NULL) {
UErrorCode errorCode=U_ZERO_ERROR;
bi=BreakIterator::createWordInstance(locale, errorCode);
if(U_FAILURE(errorCode)) {
setToBogus();
return *this;
}
}
csm.iter=reinterpret_cast<UBreakIterator *>(bi);
caseMap(&csm, unistr_case_internalToTitle);
if(titleIter==NULL) {
delete bi;
}
return *this;
}
U_NAMESPACE_END
#endif // !UCONFIG_NO_BREAK_ITERATION
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