icuSources/common/ucasemap_titlecase_brkiter.cpp

   1 // © 2016 and later: Unicode, Inc. and others.
   2 // License & terms of use: http://www.unicode.org/copyright.html
   3 /*
   4 *******************************************************************************
   5 *   Copyright (C) 2011, International Business Machines
   6 *   Corporation and others.  All Rights Reserved.
   7 *******************************************************************************
   8 *   file name:  ucasemap_titlecase_brkiter.cpp
   9 *   encoding:   UTF-8
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created on: 2011jun02
  14 *   created by: Markus W. Scherer
  15 *
  16 *   Titlecasing functions that are based on BreakIterator
  17 *   were moved here to break dependency cycles among parts of the common library.
  18 */
  19
  20 #include "unicode/utypes.h"
  21
  22 #if !UCONFIG_NO_BREAK_ITERATION
  23
  24 #include "unicode/brkiter.h"
  25 #include "unicode/ubrk.h"
  26 #include "unicode/casemap.h"
  27 #include "unicode/ucasemap.h"
  28 #include "cmemory.h"
  29 #include "ucase.h"
  30 #include "ucasemap_imp.h"
  31
  32 U_NAMESPACE_BEGIN
  33
  34 int32_t CaseMap::utf8ToTitle(
  35         const char *locale, uint32_t options, BreakIterator *iter,
  36         const char *src, int32_t srcLength,
  37         char *dest, int32_t destCapacity, Edits *edits,
  38         UErrorCode &errorCode) {
  39     if (U_FAILURE(errorCode)) {
  40         return 0;
  41     }
  42     UText utext=UTEXT_INITIALIZER;
  43     utext_openUTF8(&utext, src, srcLength, &errorCode);
  44     LocalPointer<BreakIterator> ownedIter;
  45     if(iter==NULL) {
  46         iter=BreakIterator::createWordInstance(Locale(locale), errorCode);
  47         ownedIter.adoptInstead(iter);
  48     }
  49     if(U_FAILURE(errorCode)) {
  50         utext_close(&utext);
  51         return 0;
  52     }
  53     iter->setText(&utext, errorCode);
  54     int32_t length=ucasemap_mapUTF8(
  55         ustrcase_getCaseLocale(locale), options, iter,
  56         (uint8_t *)dest, destCapacity,
  57         (const uint8_t *)src, srcLength,
  58         ucasemap_internalUTF8ToTitle, edits, errorCode);
  59     utext_close(&utext);
  60     return length;
  61 }
  62
  63 U_NAMESPACE_END
  64
  65 U_NAMESPACE_USE
  66
  67 U_CAPI const UBreakIterator * U_EXPORT2
  68 ucasemap_getBreakIterator(const UCaseMap *csm) {
  69     return reinterpret_cast<UBreakIterator *>(csm->iter);
  70 }
  71
  72 U_CAPI void U_EXPORT2
  73 ucasemap_setBreakIterator(UCaseMap *csm, UBreakIterator *iterToAdopt, UErrorCode *pErrorCode) {
  74     if(U_FAILURE(*pErrorCode)) {
  75         return;
  76     }
  77     delete csm->iter;
  78     csm->iter=reinterpret_cast<BreakIterator *>(iterToAdopt);
  79 }
  80
  81 U_CAPI int32_t U_EXPORT2
  82 ucasemap_utf8ToTitle(UCaseMap *csm,
  83                      char *dest, int32_t destCapacity,
  84                      const char *src, int32_t srcLength,
  85                      UErrorCode *pErrorCode) {
  86     if (U_FAILURE(*pErrorCode)) {
  87         return 0;
  88     }
  89     UText utext=UTEXT_INITIALIZER;
  90     utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
  91     if(csm->iter==NULL) {
  92         csm->iter=BreakIterator::createWordInstance(Locale(csm->locale), *pErrorCode);
  93     }
  94     if (U_FAILURE(*pErrorCode)) {
  95         return 0;
  96     }
  97     csm->iter->setText(&utext, *pErrorCode);
  98     int32_t length=ucasemap_mapUTF8(
  99             csm->caseLocale, csm->options, csm->iter,
 100             (uint8_t *)dest, destCapacity,
 101             (const uint8_t *)src, srcLength,
 102             ucasemap_internalUTF8ToTitle, NULL, *pErrorCode);
 103     utext_close(&utext);
 104     return length;
 105 }
 106
 107 #endif  // !UCONFIG_NO_BREAK_ITERATION