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91 lines
2.5 KiB
91 lines
2.5 KiB
9 years ago
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/*
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*******************************************************************************
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* Copyright (C) 2011, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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* file name: unistr_titlecase_brkiter.cpp
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:2
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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/unistr.h"
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#include "unicode/ustring.h"
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#include "cmemory.h"
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#include "ustr_imp.h"
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static int32_t U_CALLCONV
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unistr_case_internalToTitle(const 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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ubrk_setText(csm->iter, src, srcLength, pErrorCode);
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return ustrcase_internalToTitle(csm, dest, destCapacity, src, srcLength, pErrorCode);
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}
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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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*/
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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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U_NAMESPACE_BEGIN
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UnicodeString &
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UnicodeString::toTitle(BreakIterator *titleIter) {
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return toTitle(titleIter, Locale::getDefault(), 0);
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}
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UnicodeString &
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UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale) {
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return toTitle(titleIter, locale, 0);
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}
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UnicodeString &
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UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale, uint32_t options) {
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UCaseMap csm=UCASEMAP_INITIALIZER;
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csm.options=options;
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setTempCaseMap(&csm, locale.getName());
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BreakIterator *bi=titleIter;
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if(bi==NULL) {
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UErrorCode errorCode=U_ZERO_ERROR;
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bi=BreakIterator::createWordInstance(locale, errorCode);
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if(U_FAILURE(errorCode)) {
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setToBogus();
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return *this;
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}
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}
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csm.iter=reinterpret_cast<UBreakIterator *>(bi);
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caseMap(&csm, unistr_case_internalToTitle);
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if(titleIter==NULL) {
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delete bi;
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}
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return *this;
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}
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U_NAMESPACE_END
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#endif // !UCONFIG_NO_BREAK_ITERATION
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