The Tor Browser: intl/icu/source/common/servlk.cpp@fc2d59ddac77

     1 /**

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

     3  * Copyright (C) 2001-2004, International Business Machines Corporation and    *

     4  * others. All Rights Reserved.                                                *

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

     6  *

     7  *******************************************************************************

     8  */

     9 #include "unicode/utypes.h"

    11 #if !UCONFIG_NO_SERVICE

    13 #include "unicode/resbund.h"

    14 #include "uresimp.h"

    15 #include "cmemory.h"

    16 #include "servloc.h"

    17 #include "ustrfmt.h"

    18 #include "uhash.h"

    19 #include "charstr.h"

    20 #include "ucln_cmn.h"

    21 #include "uassert.h"

    23 #define UNDERSCORE_CHAR ((UChar)0x005f)

    24 #define AT_SIGN_CHAR    ((UChar)64)

    25 #define PERIOD_CHAR     ((UChar)46)

    27 U_NAMESPACE_BEGIN

    29 LocaleKey*

    30 LocaleKey::createWithCanonicalFallback(const UnicodeString* primaryID,

    31                                        const UnicodeString* canonicalFallbackID,

    32                                        UErrorCode& status)

    33 {

    34     return LocaleKey::createWithCanonicalFallback(primaryID, canonicalFallbackID, KIND_ANY, status);

    35 }

    37 LocaleKey*

    38 LocaleKey::createWithCanonicalFallback(const UnicodeString* primaryID,

    39                                        const UnicodeString* canonicalFallbackID,

    40                                        int32_t kind,

    41                                        UErrorCode& status)

    42 {

    43     if (primaryID == NULL || U_FAILURE(status)) {

    44         return NULL;

    45     }

    46     UnicodeString canonicalPrimaryID;

    47     LocaleUtility::canonicalLocaleString(primaryID, canonicalPrimaryID);

    48     return new LocaleKey(*primaryID, canonicalPrimaryID, canonicalFallbackID, kind);

    49 }

    51 LocaleKey::LocaleKey(const UnicodeString& primaryID,

    52                      const UnicodeString& canonicalPrimaryID,

    53                      const UnicodeString* canonicalFallbackID,

    54                      int32_t kind)

    55   : ICUServiceKey(primaryID)

    56   , _kind(kind)

    57   , _primaryID(canonicalPrimaryID)

    58   , _fallbackID()

    59   , _currentID()

    60 {

    61     _fallbackID.setToBogus();

    62     if (_primaryID.length() != 0) {

    63         if (canonicalFallbackID != NULL && _primaryID != *canonicalFallbackID) {

    64             _fallbackID = *canonicalFallbackID;

    65         }

    66     }

    68     _currentID = _primaryID;

    69 }

    71 LocaleKey::~LocaleKey() {}

    73 UnicodeString&

    74 LocaleKey::prefix(UnicodeString& result) const {

    75     if (_kind != KIND_ANY) {

    76         UChar buffer[64];

    77         uprv_itou(buffer, 64, _kind, 10, 0);

    78         UnicodeString temp(buffer);

    79         result.append(temp);

    80     }

    81     return result;

    82 }

    84 int32_t

    85 LocaleKey::kind() const {

    86     return _kind;

    87 }

    89 UnicodeString&

    90 LocaleKey::canonicalID(UnicodeString& result) const {

    91     return result.append(_primaryID);

    92 }

    94 UnicodeString&

    95 LocaleKey::currentID(UnicodeString& result) const {

    96     if (!_currentID.isBogus()) {

    97         result.append(_currentID);

    98     }

    99     return result;

   100 }

   102 UnicodeString&

   103 LocaleKey::currentDescriptor(UnicodeString& result) const {

   104     if (!_currentID.isBogus()) {

   105         prefix(result).append(PREFIX_DELIMITER).append(_currentID);

   106     } else {

   107         result.setToBogus();

   108     }

   109     return result;

   110 }

   112 Locale&

   113 LocaleKey::canonicalLocale(Locale& result) const {

   114     return LocaleUtility::initLocaleFromName(_primaryID, result);

   115 }

   117 Locale&

   118 LocaleKey::currentLocale(Locale& result) const {

   119     return LocaleUtility::initLocaleFromName(_currentID, result);

   120 }

   122 UBool

   123 LocaleKey::fallback() {

   124     if (!_currentID.isBogus()) {

   125         int x = _currentID.lastIndexOf(UNDERSCORE_CHAR);

   126         if (x != -1) {

   127             _currentID.remove(x); // truncate current or fallback, whichever we're pointing to

   128             return TRUE;

   129         }

   131         if (!_fallbackID.isBogus()) {

   132             _currentID = _fallbackID;

   133             _fallbackID.setToBogus();

   134             return TRUE;

   135         }

   137         if (_currentID.length() > 0) {

   138             _currentID.remove(0); // completely truncate

   139             return TRUE;

   140         }

   142         _currentID.setToBogus();

   143     }

   145     return FALSE;

   146 }

   148 UBool

   149 LocaleKey::isFallbackOf(const UnicodeString& id) const {

   150     UnicodeString temp(id);

   151     parseSuffix(temp);

   152     return temp.indexOf(_primaryID) == 0 &&

   153         (temp.length() == _primaryID.length() ||

   154         temp.charAt(_primaryID.length()) == UNDERSCORE_CHAR);

   155 }

   157 #ifdef SERVICE_DEBUG

   158 UnicodeString&

   159 LocaleKey::debug(UnicodeString& result) const

   160 {

   161     ICUServiceKey::debug(result);

   162     result.append(" kind: ");

   163     result.append(_kind);

   164     result.append(" primaryID: ");

   165     result.append(_primaryID);

   166     result.append(" fallbackID: ");

   167     result.append(_fallbackID);

   168     result.append(" currentID: ");

   169     result.append(_currentID);

   170     return result;

   171 }

   173 UnicodeString&

   174 LocaleKey::debugClass(UnicodeString& result) const

   175 {

   176     return result.append("LocaleKey ");

   177 }

   178 #endif

   180 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(LocaleKey)

   182 U_NAMESPACE_END

   184 /* !UCONFIG_NO_SERVICE */

   185 #endif

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