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

     1 /*

     2 *******************************************************************************

     3 *   Copyright (C) 2011, International Business Machines

     4 *   Corporation and others.  All Rights Reserved.

     5 *******************************************************************************

     6 *   file name:  unistr_case_locale.cpp

     7 *   encoding:   US-ASCII

     8 *   tab size:   8 (not used)

     9 *   indentation:4

    10 *

    11 *   created on: 2011may31

    12 *   created by: Markus W. Scherer

    13 *

    14 *   Locale-sensitive case mapping functions (ones that call uloc_getDefault())

    15 *   were moved here to break dependency cycles among parts of the common library.

    16 */

    18 #include "unicode/utypes.h"

    19 #include "unicode/locid.h"

    20 #include "unicode/unistr.h"

    21 #include "cmemory.h"

    22 #include "ustr_imp.h"

    24 U_NAMESPACE_BEGIN

    26 //========================================

    27 // Write implementation

    28 //========================================

    30 /*

    31  * Set parameters on an empty UCaseMap, for UCaseMap-less API functions.

    32  * Do this fast because it is called with every function call.

    33  */

    34 static inline void

    35 setTempCaseMap(UCaseMap *csm, const char *locale) {

    36     if(csm->csp==NULL) {

    37         csm->csp=ucase_getSingleton();

    38     }

    39     if(locale!=NULL && locale[0]==0) {

    40         csm->locale[0]=0;

    41     } else {

    42         ustrcase_setTempCaseMapLocale(csm, locale);

    43     }

    44 }

    46 UnicodeString &

    47 UnicodeString::toLower() {

    48   return toLower(Locale::getDefault());

    49 }

    51 UnicodeString &

    52 UnicodeString::toLower(const Locale &locale) {

    53   UCaseMap csm=UCASEMAP_INITIALIZER;

    54   setTempCaseMap(&csm, locale.getName());

    55   return caseMap(&csm, ustrcase_internalToLower);

    56 }

    58 UnicodeString &

    59 UnicodeString::toUpper() {

    60   return toUpper(Locale::getDefault());

    61 }

    63 UnicodeString &

    64 UnicodeString::toUpper(const Locale &locale) {

    65   UCaseMap csm=UCASEMAP_INITIALIZER;

    66   setTempCaseMap(&csm, locale.getName());

    67   return caseMap(&csm, ustrcase_internalToUpper);

    68 }

    70 U_NAMESPACE_END

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