92 lines
2.7 KiB
C++
92 lines
2.7 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 2016 and later: Unicode, Inc. and others.
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* License & terms of use: http://www.unicode.org/copyright.html
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*******************************************************************************
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* file name: ustr_titlecase_brkiter.cpp
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2011may30
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* created by: Markus W. Scherer
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*
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* Titlecasing functions that are based on BreakIterator
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* were moved here to break dependency cycles among parts of the common library.
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_BREAK_ITERATION
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#include "unicode/brkiter.h"
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#include "unicode/ubrk.h"
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#include "unicode/ucasemap.h"
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#include "cmemory.h"
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#include "ucase.h"
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#include "ustr_imp.h"
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/* functions available in the common library (for unistr_case.cpp) */
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/*
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* Set parameters on an empty UCaseMap, for UCaseMap-less API functions.
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* Do this fast because it is called with every function call.
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* Duplicate of the same function in ustrcase.cpp, to keep it inline.
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*/
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static inline void
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setTempCaseMap(UCaseMap *csm, const char *locale) {
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if(csm->csp==NULL) {
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csm->csp=ucase_getSingleton();
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}
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if(locale!=NULL && locale[0]==0) {
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csm->locale[0]=0;
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} else {
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ustrcase_setTempCaseMapLocale(csm, locale);
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}
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}
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/* public API functions */
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U_CAPI int32_t U_EXPORT2
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u_strToTitle(UChar *dest, int32_t destCapacity,
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const UChar *src, int32_t srcLength,
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UBreakIterator *titleIter,
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const char *locale,
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UErrorCode *pErrorCode) {
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UCaseMap csm=UCASEMAP_INITIALIZER;
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setTempCaseMap(&csm, locale);
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if(titleIter!=NULL) {
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ubrk_setText(csm.iter=titleIter, src, srcLength, pErrorCode);
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} else {
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csm.iter=ubrk_open(UBRK_WORD, csm.locale, src, srcLength, pErrorCode);
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}
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int32_t length=ustrcase_map(
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&csm,
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dest, destCapacity,
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src, srcLength,
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ustrcase_internalToTitle, pErrorCode);
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if(titleIter==NULL && csm.iter!=NULL) {
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ubrk_close(csm.iter);
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}
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return length;
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}
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U_CAPI int32_t U_EXPORT2
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ucasemap_toTitle(UCaseMap *csm,
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UChar *dest, int32_t destCapacity,
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const UChar *src, int32_t srcLength,
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UErrorCode *pErrorCode) {
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if(csm->iter!=NULL) {
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ubrk_setText(csm->iter, src, srcLength, pErrorCode);
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} else {
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csm->iter=ubrk_open(UBRK_WORD, csm->locale, src, srcLength, pErrorCode);
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}
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return ustrcase_map(
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csm,
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dest, destCapacity,
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src, srcLength,
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ustrcase_internalToTitle, pErrorCode);
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}
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#endif // !UCONFIG_NO_BREAK_ITERATION
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