The Tor Browser: intl/icu/source/common/ucasemap_titlecase

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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 */

    18 #include "unicode/utypes.h"

    20 #if !UCONFIG_NO_BREAK_ITERATION

    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"

    29 U_NAMESPACE_USE

    31 U_CAPI const UBreakIterator * U_EXPORT2

    32 ucasemap_getBreakIterator(const UCaseMap *csm) {

    33     return csm->iter;

    34 }

    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 }

    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 }

    67 #endif  // !UCONFIG_NO_BREAK_ITERATION

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