| | 1 | /* |
| | 2 | ******************************************************************************* |
| | 3 | * Copyright (C) 2011, International Business Machines |
| | 4 | * Corporation and others. All Rights Reserved. |
| | 5 | ******************************************************************************* |
| | 6 | * file name: unistr_titlecase_brkiter.cpp |
| | 7 | * encoding: US-ASCII |
| | 8 | * tab size: 8 (not used) |
| | 9 | * indentation:2 |
| | 10 | * |
| | 11 | * created on: 2011may30 |
| | 12 | * created by: Markus W. Scherer |
| | 13 | * |
| | 14 | * Titlecasing functions that are based on BreakIterator |
| | 15 | * were moved here to break dependency cycles among parts of the common library. |
| | 16 | */ |
| | 17 | |
| | 18 | #include "unicode/utypes.h" |
| | 19 | |
| | 20 | #if !UCONFIG_NO_BREAK_ITERATION |
| | 21 | |
| | 22 | #include "unicode/brkiter.h" |
| | 23 | #include "unicode/ubrk.h" |
| | 24 | #include "unicode/unistr.h" |
| | 25 | #include "unicode/ustring.h" |
| | 26 | #include "cmemory.h" |
| | 27 | #include "ustr_imp.h" |
| | 28 | |
| | 29 | static int32_t U_CALLCONV |
| | 30 | unistr_case_internalToTitle(const UCaseMap *csm, |
| | 31 | UChar *dest, int32_t destCapacity, |
| | 32 | const UChar *src, int32_t srcLength, |
| | 33 | UErrorCode *pErrorCode) { |
| | 34 | ubrk_setText(csm->iter, src, srcLength, pErrorCode); |
| | 35 | return ustrcase_internalToTitle(csm, dest, destCapacity, src, srcLength, pErrorCode); |
| | 36 | } |
| | 37 | |
| | 38 | /* |
| | 39 | * Set parameters on an empty UCaseMap, for UCaseMap-less API functions. |
| | 40 | * Do this fast because it is called with every function call. |
| | 41 | */ |
| | 42 | static inline void |
| | 43 | setTempCaseMap(UCaseMap *csm, const char *locale) { |
| | 44 | if(csm->csp==NULL) { |
| | 45 | csm->csp=ucase_getSingleton(); |
| | 46 | } |
| | 47 | if(locale!=NULL && locale[0]==0) { |
| | 48 | csm->locale[0]=0; |
| | 49 | } else { |
| | 50 | ustrcase_setTempCaseMapLocale(csm, locale); |
| | 51 | } |
| | 52 | } |
| | 53 | |
| | 54 | U_NAMESPACE_BEGIN |
| | 55 | |
| | 56 | UnicodeString & |
| | 57 | UnicodeString::toTitle(BreakIterator *titleIter) { |
| | 58 | return toTitle(titleIter, Locale::getDefault(), 0); |
| | 59 | } |
| | 60 | |
| | 61 | UnicodeString & |
| | 62 | UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale) { |
| | 63 | return toTitle(titleIter, locale, 0); |
| | 64 | } |
| | 65 | |
| | 66 | UnicodeString & |
| | 67 | UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale, uint32_t options) { |
| | 68 | UCaseMap csm=UCASEMAP_INITIALIZER; |
| | 69 | csm.options=options; |
| | 70 | setTempCaseMap(&csm, locale.getName()); |
| | 71 | BreakIterator *bi=titleIter; |
| | 72 | if(bi==NULL) { |
| | 73 | UErrorCode errorCode=U_ZERO_ERROR; |
| | 74 | bi=BreakIterator::createWordInstance(locale, errorCode); |
| | 75 | if(U_FAILURE(errorCode)) { |
| | 76 | setToBogus(); |
| | 77 | return *this; |
| | 78 | } |
| | 79 | } |
| | 80 | csm.iter=reinterpret_cast<UBreakIterator *>(bi); |
| | 81 | caseMap(&csm, unistr_case_internalToTitle); |
| | 82 | if(titleIter==NULL) { |
| | 83 | delete bi; |
| | 84 | } |
| | 85 | return *this; |
| | 86 | } |
| | 87 | |
| | 88 | U_NAMESPACE_END |
| | 89 | |
| | 90 | #endif // !UCONFIG_NO_BREAK_ITERATION |
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