/*
*******************************************************************************
* Copyright (C) 2011, International Business Machines
* Corporation and others. All Rights Reserved.
*******************************************************************************
* file name: ustr_titlecase_brkiter.cpp
* encoding: US-ASCII
* 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/ubrk.h"
#include "unicode/ucasemap.h"
#include "cmemory.h"
#include "ucase.h"
#include "ustr_imp.h"
/* functions available in the common library (for unistr_case.cpp) */
/*
* Set parameters on an empty UCaseMap, for UCaseMap-less API functions.
* Do this fast because it is called with every function call.
* Duplicate of the same function in ustrcase.cpp, to keep it inline.
*/
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);
}
}
/* 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) {
UCaseMap csm=UCASEMAP_INITIALIZER;
setTempCaseMap(&csm, locale);
if(titleIter!=NULL) {
ubrk_setText(csm.iter=titleIter, src, srcLength, pErrorCode);
} else {
csm.iter=ubrk_open(UBRK_WORD, csm.locale, src, srcLength, pErrorCode);
}
int32_t length=ustrcase_map(
&csm,
dest, destCapacity,
src, srcLength,
ustrcase_internalToTitle, pErrorCode);
if(titleIter==NULL && csm.iter!=NULL) {
ubrk_close(csm.iter);
}
return length;
}
U_CAPI int32_t U_EXPORT2
ucasemap_toTitle(UCaseMap *csm,
UChar *dest, int32_t destCapacity,
const UChar *src, int32_t srcLength,
UErrorCode *pErrorCode) {
if(csm->iter!=NULL) {
ubrk_setText(csm->iter, src, srcLength, pErrorCode);
} else {
csm->iter=ubrk_open(UBRK_WORD, csm->locale, src, srcLength, pErrorCode);
}
return ustrcase_map(
csm,
dest, destCapacity,
src, srcLength,
ustrcase_internalToTitle, pErrorCode);
}
#endif // !UCONFIG_NO_BREAK_ITERATION