icuSources/common/ustrcase_locale.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:  ustrcase_locale.cpp
   9 *   encoding:   UTF-8
  10 *   tab size:   8 (not used)
  11 *   indentation:4
  12 *
  13 *   created on: 2011may31
  14 *   created by: Markus W. Scherer
  15 *
  16 *   Locale-sensitive case mapping functions (ones that call uloc_getDefault())
  17 *   were moved here to break dependency cycles among parts of the common library.
  18 */
  19
  20 #include "unicode/utypes.h"
  21 #include "uassert.h"
  22 #include "unicode/brkiter.h"
  23 #include "unicode/casemap.h"
  24 #include "unicode/ucasemap.h"
  25 #include "unicode/uloc.h"
  26 #include "unicode/ustring.h"
  27 #include "ucase.h"
  28 #include "ucasemap_imp.h"
  29
  30 U_CFUNC int32_t
  31 ustrcase_getCaseLocale(const char *locale) {
  32     if (locale == NULL) {
  33         locale = uloc_getDefault();
  34     }
  35     if (*locale == 0) {
  36         return UCASE_LOC_ROOT;
  37     } else {
  38         return ucase_getCaseLocale(locale);
  39     }
  40 }
  41
  42 /* public API functions */
  43
  44 U_CAPI int32_t U_EXPORT2
  45 u_strToLower(UChar *dest, int32_t destCapacity,
  46              const UChar *src, int32_t srcLength,
  47              const char *locale,
  48              UErrorCode *pErrorCode) {
  49     return ustrcase_mapWithOverlap(
  50         ustrcase_getCaseLocale(locale), 0, UCASEMAP_BREAK_ITERATOR_NULL
  51         dest, destCapacity,
  52         src, srcLength,
  53         ustrcase_internalToLower, *pErrorCode);
  54 }
  55
  56 U_CAPI int32_t U_EXPORT2
  57 u_strToUpper(UChar *dest, int32_t destCapacity,
  58              const UChar *src, int32_t srcLength,
  59              const char *locale,
  60              UErrorCode *pErrorCode) {
  61     return ustrcase_mapWithOverlap(
  62         ustrcase_getCaseLocale(locale), 0, UCASEMAP_BREAK_ITERATOR_NULL
  63         dest, destCapacity,
  64         src, srcLength,
  65         ustrcase_internalToUpper, *pErrorCode);
  66 }
  67
  68 U_NAMESPACE_BEGIN
  69
  70 int32_t CaseMap::toLower(
  71         const char *locale, uint32_t options,
  72         const UChar *src, int32_t srcLength,
  73         UChar *dest, int32_t destCapacity, Edits *edits,
  74         UErrorCode &errorCode) {
  75     return ustrcase_map(
  76         ustrcase_getCaseLocale(locale), options, UCASEMAP_BREAK_ITERATOR_NULL
  77         dest, destCapacity,
  78         src, srcLength,
  79         ustrcase_internalToLower, edits, errorCode);
  80 }
  81
  82 int32_t CaseMap::toUpper(
  83         const char *locale, uint32_t options,
  84         const UChar *src, int32_t srcLength,
  85         UChar *dest, int32_t destCapacity, Edits *edits,
  86         UErrorCode &errorCode) {
  87     return ustrcase_map(
  88         ustrcase_getCaseLocale(locale), options, UCASEMAP_BREAK_ITERATOR_NULL
  89         dest, destCapacity,
  90         src, srcLength,
  91         ustrcase_internalToUpper, edits, errorCode);
  92 }
  93
  94 U_NAMESPACE_END