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      1 // Copyright (C) 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:   US-ASCII
     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/ucasemap.h"
     27 #include "cmemory.h"
     28 #include "ucase.h"
     29 #include "ustr_imp.h"
     30 
     31 U_NAMESPACE_USE
     32 
     33 U_CAPI const UBreakIterator * U_EXPORT2
     34 ucasemap_getBreakIterator(const UCaseMap *csm) {
     35     return csm->iter;
     36 }
     37 
     38 U_CAPI void U_EXPORT2
     39 ucasemap_setBreakIterator(UCaseMap *csm, UBreakIterator *iterToAdopt, UErrorCode * /*pErrorCode*/) {
     40     // Do not call ubrk_close() so that we do not depend on all of the BreakIterator code.
     41     delete reinterpret_cast<BreakIterator *>(csm->iter);
     42     csm->iter=iterToAdopt;
     43 }
     44 
     45 U_CAPI int32_t U_EXPORT2
     46 ucasemap_utf8ToTitle(UCaseMap *csm,
     47                      char *dest, int32_t destCapacity,
     48                      const char *src, int32_t srcLength,
     49                      UErrorCode *pErrorCode) {
     50     UText utext=UTEXT_INITIALIZER;
     51     utext_openUTF8(&utext, (const char *)src, srcLength, pErrorCode);
     52     if(U_FAILURE(*pErrorCode)) {
     53         return 0;
     54     }
     55     if(csm->iter==NULL) {
     56         csm->iter=ubrk_open(UBRK_WORD, csm->locale,
     57                             NULL, 0,
     58                             pErrorCode);
     59     }
     60     ubrk_setUText(csm->iter, &utext, pErrorCode);
     61     int32_t length=ucasemap_mapUTF8(csm,
     62                    (uint8_t *)dest, destCapacity,
     63                    (const uint8_t *)src, srcLength,
     64                    ucasemap_internalUTF8ToTitle, pErrorCode);
     65     utext_close(&utext);
     66     return length;
     67 }
     68 
     69 #endif  // !UCONFIG_NO_BREAK_ITERATION
     70