src/third_party/icu/source/common/ucasemap_titlecase_brkiter.cpp

   1 /*
   2 *******************************************************************************
   3 *   Copyright (C) 2011, International Business Machines
   4 *   Corporation and others.  All Rights Reserved.
   5 *******************************************************************************
   6 *   file name:  ucasemap_titlecase_brkiter.cpp
   7 *   encoding:   US-ASCII
   8 *   tab size:   8 (not used)
   9 *   indentation:4
  10 *
  11 *   created on: 2011jun02
  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/ucasemap.h"
  25 #include "cmemory.h"
  26 #include "ucase.h"
  27 #include "ustr_imp.h"
  28
  29 U_NAMESPACE_USE
  30
  31 U_CAPI const UBreakIterator * U_EXPORT2
  32 ucasemap_getBreakIterator(const UCaseMap *csm) {
  33     return csm->iter;
  34 }
  35
  36 U_CAPI void U_EXPORT2
  37 ucasemap_setBreakIterator(UCaseMap *csm, UBreakIterator *iterToAdopt, UErrorCode * /*pErrorCode*/) {
  38     // Do not call ubrk_close() so that we do not depend on all of the BreakIterator code.
  39     delete reinterpret_cast<BreakIterator *>(csm->iter);
  40     csm->iter=iterToAdopt;
  41 }
  42
  43 U_CAPI int32_t U_EXPORT2
  44 ucasemap_utf8ToTitle(UCaseMap *csm,
  45                      char *dest, int32_t destCapacity,
  46                      const char *src, int32_t srcLength,
  47                      UErrorCode *pErrorCode) {
  48     UText utext=UTEXT_INITIALIZER;
  49     utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
  50     if(U_FAILURE(*pErrorCode)) {
  51         return 0;
  52     }
  53     if(csm->iter==NULL) {
  54         csm->iter=ubrk_open(UBRK_WORD, csm->locale,
  55                             NULL, 0,
  56                             pErrorCode);
  57     }
  58     ubrk_setUText(csm->iter, &utext, pErrorCode);
  59     int32_t length=ucasemap_mapUTF8(csm,
  60                    (uint8_t *)dest, destCapacity,
  61                    (const uint8_t *)src, srcLength,
  62                    ucasemap_internalUTF8ToTitle, pErrorCode);
  63     utext_close(&utext);
  64     return length;
  65 }
  66
  67 #endif  // !UCONFIG_NO_BREAK_ITERATION