intl/icu/source/common/unistr_titlecase_brkiter.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/icu/source/common/unistr_titlecase_brkiter.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,90 @@
     1.4 +/*
     1.5 +*******************************************************************************
     1.6 +*   Copyright (C) 2011, International Business Machines
     1.7 +*   Corporation and others.  All Rights Reserved.
     1.8 +*******************************************************************************
     1.9 +*   file name:  unistr_titlecase_brkiter.cpp
    1.10 +*   encoding:   US-ASCII
    1.11 +*   tab size:   8 (not used)
    1.12 +*   indentation:2
    1.13 +*
    1.14 +*   created on: 2011may30
    1.15 +*   created by: Markus W. Scherer
    1.16 +*
    1.17 +*   Titlecasing functions that are based on BreakIterator
    1.18 +*   were moved here to break dependency cycles among parts of the common library.
    1.19 +*/
    1.20 +
    1.21 +#include "unicode/utypes.h"
    1.22 +
    1.23 +#if !UCONFIG_NO_BREAK_ITERATION
    1.24 +
    1.25 +#include "unicode/brkiter.h"
    1.26 +#include "unicode/ubrk.h"
    1.27 +#include "unicode/unistr.h"
    1.28 +#include "unicode/ustring.h"
    1.29 +#include "cmemory.h"
    1.30 +#include "ustr_imp.h"
    1.31 +
    1.32 +static int32_t U_CALLCONV
    1.33 +unistr_case_internalToTitle(const UCaseMap *csm,
    1.34 +                            UChar *dest, int32_t destCapacity,
    1.35 +                            const UChar *src, int32_t srcLength,
    1.36 +                            UErrorCode *pErrorCode) {
    1.37 +  ubrk_setText(csm->iter, src, srcLength, pErrorCode);
    1.38 +  return ustrcase_internalToTitle(csm, dest, destCapacity, src, srcLength, pErrorCode);
    1.39 +}
    1.40 +
    1.41 +/*
    1.42 + * Set parameters on an empty UCaseMap, for UCaseMap-less API functions.
    1.43 + * Do this fast because it is called with every function call.
    1.44 + */
    1.45 +static inline void
    1.46 +setTempCaseMap(UCaseMap *csm, const char *locale) {
    1.47 +    if(csm->csp==NULL) {
    1.48 +        csm->csp=ucase_getSingleton();
    1.49 +    }
    1.50 +    if(locale!=NULL && locale[0]==0) {
    1.51 +        csm->locale[0]=0;
    1.52 +    } else {
    1.53 +        ustrcase_setTempCaseMapLocale(csm, locale);
    1.54 +    }
    1.55 +}
    1.56 +
    1.57 +U_NAMESPACE_BEGIN
    1.58 +
    1.59 +UnicodeString &
    1.60 +UnicodeString::toTitle(BreakIterator *titleIter) {
    1.61 +  return toTitle(titleIter, Locale::getDefault(), 0);
    1.62 +}
    1.63 +
    1.64 +UnicodeString &
    1.65 +UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale) {
    1.66 +  return toTitle(titleIter, locale, 0);
    1.67 +}
    1.68 +
    1.69 +UnicodeString &
    1.70 +UnicodeString::toTitle(BreakIterator *titleIter, const Locale &locale, uint32_t options) {
    1.71 +  UCaseMap csm=UCASEMAP_INITIALIZER;
    1.72 +  csm.options=options;
    1.73 +  setTempCaseMap(&csm, locale.getName());
    1.74 +  BreakIterator *bi=titleIter;
    1.75 +  if(bi==NULL) {
    1.76 +    UErrorCode errorCode=U_ZERO_ERROR;
    1.77 +    bi=BreakIterator::createWordInstance(locale, errorCode);
    1.78 +    if(U_FAILURE(errorCode)) {
    1.79 +      setToBogus();
    1.80 +      return *this;
    1.81 +    }
    1.82 +  }
    1.83 +  csm.iter=reinterpret_cast<UBreakIterator *>(bi);
    1.84 +  caseMap(&csm, unistr_case_internalToTitle);
    1.85 +  if(titleIter==NULL) {
    1.86 +    delete bi;
    1.87 +  }
    1.88 +  return *this;
    1.89 +}
    1.90 +
    1.91 +U_NAMESPACE_END
    1.92 +
    1.93 +#endif  // !UCONFIG_NO_BREAK_ITERATION

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