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1056 lines
28 KiB
1056 lines
28 KiB
// Copyright (C) 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (C) 1997-2016, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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*
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* File locid.cpp
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*
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* Created by: Richard Gillam
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*
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* Modification History:
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*
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* Date Name Description
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* 02/11/97 aliu Changed gLocPath to fgDataDirectory and added
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* methods to get and set it.
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* 04/02/97 aliu Made operator!= inline; fixed return value
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* of getName().
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* 04/15/97 aliu Cleanup for AIX/Win32.
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* 04/24/97 aliu Numerous changes per code review.
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* 08/18/98 stephen Changed getDisplayName()
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* Added SIMPLIFIED_CHINESE, TRADITIONAL_CHINESE
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* Added getISOCountries(), getISOLanguages(),
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* getLanguagesForCountry()
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* 03/16/99 bertrand rehaul.
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* 07/21/99 stephen Added U_CFUNC setDefault
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* 11/09/99 weiv Added const char * getName() const;
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* 04/12/00 srl removing unicodestring api's and cached hash code
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* 08/10/01 grhoten Change the static Locales to accessor functions
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******************************************************************************
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*/
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#include "unicode/locid.h"
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#include "unicode/uloc.h"
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#include "putilimp.h"
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#include "mutex.h"
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#include "umutex.h"
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#include "uassert.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "uassert.h"
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#include "uhash.h"
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#include "ucln_cmn.h"
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#include "ustr_imp.h"
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#include "charstr.h"
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U_CDECL_BEGIN
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static UBool U_CALLCONV locale_cleanup(void);
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U_CDECL_END
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U_NAMESPACE_BEGIN
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static Locale *gLocaleCache = NULL;
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static UInitOnce gLocaleCacheInitOnce = U_INITONCE_INITIALIZER;
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// gDefaultLocaleMutex protects all access to gDefaultLocalesHashT and gDefaultLocale.
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static UMutex gDefaultLocaleMutex = U_MUTEX_INITIALIZER;
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static UHashtable *gDefaultLocalesHashT = NULL;
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static Locale *gDefaultLocale = NULL;
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/**
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* \def ULOC_STRING_LIMIT
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* strings beyond this value crash in CharString
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*/
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#define ULOC_STRING_LIMIT 357913941
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U_NAMESPACE_END
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typedef enum ELocalePos {
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eENGLISH,
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eFRENCH,
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eGERMAN,
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eITALIAN,
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eJAPANESE,
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eKOREAN,
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eCHINESE,
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eFRANCE,
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eGERMANY,
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eITALY,
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eJAPAN,
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eKOREA,
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eCHINA, /* Alias for PRC */
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eTAIWAN,
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eUK,
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eUS,
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eCANADA,
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eCANADA_FRENCH,
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eROOT,
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//eDEFAULT,
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eMAX_LOCALES
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} ELocalePos;
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U_CFUNC int32_t locale_getKeywords(const char *localeID,
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char prev,
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char *keywords, int32_t keywordCapacity,
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char *values, int32_t valuesCapacity, int32_t *valLen,
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UBool valuesToo,
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UErrorCode *status);
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U_CDECL_BEGIN
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//
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// Deleter function for Locales owned by the default Locale hash table/
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//
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static void U_CALLCONV
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deleteLocale(void *obj) {
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delete (icu::Locale *) obj;
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}
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static UBool U_CALLCONV locale_cleanup(void)
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{
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U_NAMESPACE_USE
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delete [] gLocaleCache;
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gLocaleCache = NULL;
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gLocaleCacheInitOnce.reset();
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if (gDefaultLocalesHashT) {
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uhash_close(gDefaultLocalesHashT); // Automatically deletes all elements, using deleter func.
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gDefaultLocalesHashT = NULL;
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}
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gDefaultLocale = NULL;
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return TRUE;
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}
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static void U_CALLCONV locale_init(UErrorCode &status) {
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U_NAMESPACE_USE
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U_ASSERT(gLocaleCache == NULL);
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gLocaleCache = new Locale[(int)eMAX_LOCALES];
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if (gLocaleCache == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
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gLocaleCache[eROOT] = Locale("");
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gLocaleCache[eENGLISH] = Locale("en");
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gLocaleCache[eFRENCH] = Locale("fr");
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gLocaleCache[eGERMAN] = Locale("de");
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gLocaleCache[eITALIAN] = Locale("it");
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gLocaleCache[eJAPANESE] = Locale("ja");
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gLocaleCache[eKOREAN] = Locale("ko");
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gLocaleCache[eCHINESE] = Locale("zh");
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gLocaleCache[eFRANCE] = Locale("fr", "FR");
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gLocaleCache[eGERMANY] = Locale("de", "DE");
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gLocaleCache[eITALY] = Locale("it", "IT");
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gLocaleCache[eJAPAN] = Locale("ja", "JP");
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gLocaleCache[eKOREA] = Locale("ko", "KR");
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gLocaleCache[eCHINA] = Locale("zh", "CN");
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gLocaleCache[eTAIWAN] = Locale("zh", "TW");
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gLocaleCache[eUK] = Locale("en", "GB");
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gLocaleCache[eUS] = Locale("en", "US");
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gLocaleCache[eCANADA] = Locale("en", "CA");
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gLocaleCache[eCANADA_FRENCH] = Locale("fr", "CA");
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}
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U_CDECL_END
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U_NAMESPACE_BEGIN
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Locale *locale_set_default_internal(const char *id, UErrorCode& status) {
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// Synchronize this entire function.
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Mutex lock(&gDefaultLocaleMutex);
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UBool canonicalize = FALSE;
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// If given a NULL string for the locale id, grab the default
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// name from the system.
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// (Different from most other locale APIs, where a null name means use
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// the current ICU default locale.)
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if (id == NULL) {
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id = uprv_getDefaultLocaleID(); // This function not thread safe? TODO: verify.
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canonicalize = TRUE; // always canonicalize host ID
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}
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char localeNameBuf[512];
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if (canonicalize) {
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uloc_canonicalize(id, localeNameBuf, sizeof(localeNameBuf)-1, &status);
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} else {
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uloc_getName(id, localeNameBuf, sizeof(localeNameBuf)-1, &status);
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}
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localeNameBuf[sizeof(localeNameBuf)-1] = 0; // Force null termination in event of
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// a long name filling the buffer.
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// (long names are truncated.)
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//
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if (U_FAILURE(status)) {
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return gDefaultLocale;
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}
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if (gDefaultLocalesHashT == NULL) {
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gDefaultLocalesHashT = uhash_open(uhash_hashChars, uhash_compareChars, NULL, &status);
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if (U_FAILURE(status)) {
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return gDefaultLocale;
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}
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uhash_setValueDeleter(gDefaultLocalesHashT, deleteLocale);
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ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
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}
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Locale *newDefault = (Locale *)uhash_get(gDefaultLocalesHashT, localeNameBuf);
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if (newDefault == NULL) {
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newDefault = new Locale(Locale::eBOGUS);
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if (newDefault == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return gDefaultLocale;
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}
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newDefault->init(localeNameBuf, FALSE);
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uhash_put(gDefaultLocalesHashT, (char*) newDefault->getName(), newDefault, &status);
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if (U_FAILURE(status)) {
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return gDefaultLocale;
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}
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}
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gDefaultLocale = newDefault;
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return gDefaultLocale;
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}
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U_NAMESPACE_END
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/* sfb 07/21/99 */
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U_CFUNC void
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locale_set_default(const char *id)
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{
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U_NAMESPACE_USE
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UErrorCode status = U_ZERO_ERROR;
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locale_set_default_internal(id, status);
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}
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/* end */
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U_CFUNC const char *
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locale_get_default(void)
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{
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U_NAMESPACE_USE
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return Locale::getDefault().getName();
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}
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U_NAMESPACE_BEGIN
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UOBJECT_DEFINE_RTTI_IMPLEMENTATION(Locale)
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/*Character separating the posix id fields*/
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// '_'
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// In the platform codepage.
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#define SEP_CHAR '_'
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Locale::~Locale()
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{
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if (baseName != fullName) {
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uprv_free(baseName);
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}
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baseName = NULL;
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/*if fullName is on the heap, we free it*/
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if (fullName != fullNameBuffer)
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{
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uprv_free(fullName);
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fullName = NULL;
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}
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}
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Locale::Locale()
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: UObject(), fullName(fullNameBuffer), baseName(NULL)
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{
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init(NULL, FALSE);
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}
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/*
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* Internal constructor to allow construction of a locale object with
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* NO side effects. (Default constructor tries to get
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* the default locale.)
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*/
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Locale::Locale(Locale::ELocaleType)
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: UObject(), fullName(fullNameBuffer), baseName(NULL)
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{
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setToBogus();
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}
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Locale::Locale( const char * newLanguage,
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const char * newCountry,
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const char * newVariant,
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const char * newKeywords)
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: UObject(), fullName(fullNameBuffer), baseName(NULL)
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{
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if( (newLanguage==NULL) && (newCountry == NULL) && (newVariant == NULL) )
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{
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init(NULL, FALSE); /* shortcut */
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}
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else
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{
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UErrorCode status = U_ZERO_ERROR;
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int32_t size = 0;
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int32_t lsize = 0;
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int32_t csize = 0;
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int32_t vsize = 0;
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int32_t ksize = 0;
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// Calculate the size of the resulting string.
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// Language
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if ( newLanguage != NULL )
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{
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lsize = (int32_t)uprv_strlen(newLanguage);
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if ( lsize < 0 || lsize > ULOC_STRING_LIMIT ) { // int32 wrap
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setToBogus();
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return;
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}
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size = lsize;
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}
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CharString togo(newLanguage, lsize, status); // start with newLanguage
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// _Country
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if ( newCountry != NULL )
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{
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csize = (int32_t)uprv_strlen(newCountry);
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if ( csize < 0 || csize > ULOC_STRING_LIMIT ) { // int32 wrap
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setToBogus();
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return;
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}
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size += csize;
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}
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// _Variant
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if ( newVariant != NULL )
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{
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// remove leading _'s
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while(newVariant[0] == SEP_CHAR)
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{
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newVariant++;
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}
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// remove trailing _'s
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vsize = (int32_t)uprv_strlen(newVariant);
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if ( vsize < 0 || vsize > ULOC_STRING_LIMIT ) { // int32 wrap
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setToBogus();
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return;
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}
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while( (vsize>1) && (newVariant[vsize-1] == SEP_CHAR) )
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{
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vsize--;
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}
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}
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if( vsize > 0 )
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{
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size += vsize;
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}
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// Separator rules:
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if ( vsize > 0 )
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{
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size += 2; // at least: __v
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}
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else if ( csize > 0 )
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{
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size += 1; // at least: _v
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}
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if ( newKeywords != NULL)
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{
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ksize = (int32_t)uprv_strlen(newKeywords);
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if ( ksize < 0 || ksize > ULOC_STRING_LIMIT ) {
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setToBogus();
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return;
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}
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size += ksize + 1;
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}
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// NOW we have the full locale string..
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// Now, copy it back.
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// newLanguage is already copied
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if ( ( vsize != 0 ) || (csize != 0) ) // at least: __v
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{ // ^
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togo.append(SEP_CHAR, status);
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}
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if ( csize != 0 )
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{
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togo.append(newCountry, status);
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}
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if ( vsize != 0)
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{
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togo.append(SEP_CHAR, status)
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.append(newVariant, vsize, status);
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}
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if ( ksize != 0)
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{
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if (uprv_strchr(newKeywords, '=')) {
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togo.append('@', status); /* keyword parsing */
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}
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else {
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togo.append('_', status); /* Variant parsing with a script */
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if ( vsize == 0) {
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togo.append('_', status); /* No country found */
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}
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}
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togo.append(newKeywords, status);
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}
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if (U_FAILURE(status)) {
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// Something went wrong with appending, etc.
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setToBogus();
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return;
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}
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// Parse it, because for example 'language' might really be a complete
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// string.
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init(togo.data(), FALSE);
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}
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}
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Locale::Locale(const Locale &other)
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: UObject(other), fullName(fullNameBuffer), baseName(NULL)
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{
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*this = other;
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}
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Locale &Locale::operator=(const Locale &other)
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{
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if (this == &other) {
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return *this;
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}
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/* Free our current storage */
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if (baseName != fullName) {
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uprv_free(baseName);
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}
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baseName = NULL;
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if(fullName != fullNameBuffer) {
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uprv_free(fullName);
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fullName = fullNameBuffer;
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}
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/* Allocate the full name if necessary */
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if(other.fullName != other.fullNameBuffer) {
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fullName = (char *)uprv_malloc(sizeof(char)*(uprv_strlen(other.fullName)+1));
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if (fullName == NULL) {
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return *this;
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}
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}
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/* Copy the full name */
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uprv_strcpy(fullName, other.fullName);
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/* Copy the baseName if it differs from fullName. */
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if (other.baseName == other.fullName) {
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baseName = fullName;
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} else {
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if (other.baseName) {
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baseName = uprv_strdup(other.baseName);
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}
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}
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/* Copy the language and country fields */
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uprv_strcpy(language, other.language);
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uprv_strcpy(script, other.script);
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uprv_strcpy(country, other.country);
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/* The variantBegin is an offset, just copy it */
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variantBegin = other.variantBegin;
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fIsBogus = other.fIsBogus;
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return *this;
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}
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Locale *
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Locale::clone() const {
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return new Locale(*this);
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}
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|
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UBool
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Locale::operator==( const Locale& other) const
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{
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return (uprv_strcmp(other.fullName, fullName) == 0);
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}
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#define ISASCIIALPHA(c) (((c) >= 'a' && (c) <= 'z') || ((c) >= 'A' && (c) <= 'Z'))
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|
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/*This function initializes a Locale from a C locale ID*/
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Locale& Locale::init(const char* localeID, UBool canonicalize)
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{
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fIsBogus = FALSE;
|
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/* Free our current storage */
|
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if (baseName != fullName) {
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uprv_free(baseName);
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}
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baseName = NULL;
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if(fullName != fullNameBuffer) {
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uprv_free(fullName);
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fullName = fullNameBuffer;
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}
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|
|
|
// not a loop:
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// just an easy way to have a common error-exit
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// without goto and without another function
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do {
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char *separator;
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char *field[5] = {0};
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int32_t fieldLen[5] = {0};
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int32_t fieldIdx;
|
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int32_t variantField;
|
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int32_t length;
|
|
UErrorCode err;
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|
|
if(localeID == NULL) {
|
|
// not an error, just set the default locale
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return *this = getDefault();
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}
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|
|
/* preset all fields to empty */
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|
language[0] = script[0] = country[0] = 0;
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|
|
// "canonicalize" the locale ID to ICU/Java format
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err = U_ZERO_ERROR;
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length = canonicalize ?
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uloc_canonicalize(localeID, fullName, sizeof(fullNameBuffer), &err) :
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uloc_getName(localeID, fullName, sizeof(fullNameBuffer), &err);
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if(err == U_BUFFER_OVERFLOW_ERROR || length >= (int32_t)sizeof(fullNameBuffer)) {
|
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/*Go to heap for the fullName if necessary*/
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fullName = (char *)uprv_malloc(sizeof(char)*(length + 1));
|
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if(fullName == 0) {
|
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fullName = fullNameBuffer;
|
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break; // error: out of memory
|
|
}
|
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err = U_ZERO_ERROR;
|
|
length = canonicalize ?
|
|
uloc_canonicalize(localeID, fullName, length+1, &err) :
|
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uloc_getName(localeID, fullName, length+1, &err);
|
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}
|
|
if(U_FAILURE(err) || err == U_STRING_NOT_TERMINATED_WARNING) {
|
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/* should never occur */
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break;
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}
|
|
|
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variantBegin = length;
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|
|
/* after uloc_getName/canonicalize() we know that only '_' are separators */
|
|
separator = field[0] = fullName;
|
|
fieldIdx = 1;
|
|
while ((separator = uprv_strchr(field[fieldIdx-1], SEP_CHAR)) && fieldIdx < UPRV_LENGTHOF(field)-1) {
|
|
field[fieldIdx] = separator + 1;
|
|
fieldLen[fieldIdx-1] = (int32_t)(separator - field[fieldIdx-1]);
|
|
fieldIdx++;
|
|
}
|
|
// variant may contain @foo or .foo POSIX cruft; remove it
|
|
separator = uprv_strchr(field[fieldIdx-1], '@');
|
|
char* sep2 = uprv_strchr(field[fieldIdx-1], '.');
|
|
if (separator!=NULL || sep2!=NULL) {
|
|
if (separator==NULL || (sep2!=NULL && separator > sep2)) {
|
|
separator = sep2;
|
|
}
|
|
fieldLen[fieldIdx-1] = (int32_t)(separator - field[fieldIdx-1]);
|
|
} else {
|
|
fieldLen[fieldIdx-1] = length - (int32_t)(field[fieldIdx-1] - fullName);
|
|
}
|
|
|
|
if (fieldLen[0] >= (int32_t)(sizeof(language)))
|
|
{
|
|
break; // error: the language field is too long
|
|
}
|
|
|
|
variantField = 1; /* Usually the 2nd one, except when a script or country is also used. */
|
|
if (fieldLen[0] > 0) {
|
|
/* We have a language */
|
|
uprv_memcpy(language, fullName, fieldLen[0]);
|
|
language[fieldLen[0]] = 0;
|
|
}
|
|
if (fieldLen[1] == 4 && ISASCIIALPHA(field[1][0]) &&
|
|
ISASCIIALPHA(field[1][1]) && ISASCIIALPHA(field[1][2]) &&
|
|
ISASCIIALPHA(field[1][3])) {
|
|
/* We have at least a script */
|
|
uprv_memcpy(script, field[1], fieldLen[1]);
|
|
script[fieldLen[1]] = 0;
|
|
variantField++;
|
|
}
|
|
|
|
if (fieldLen[variantField] == 2 || fieldLen[variantField] == 3) {
|
|
/* We have a country */
|
|
uprv_memcpy(country, field[variantField], fieldLen[variantField]);
|
|
country[fieldLen[variantField]] = 0;
|
|
variantField++;
|
|
} else if (fieldLen[variantField] == 0) {
|
|
variantField++; /* script or country empty but variant in next field (i.e. en__POSIX) */
|
|
}
|
|
|
|
if (fieldLen[variantField] > 0) {
|
|
/* We have a variant */
|
|
variantBegin = (int32_t)(field[variantField] - fullName);
|
|
}
|
|
|
|
err = U_ZERO_ERROR;
|
|
initBaseName(err);
|
|
if (U_FAILURE(err)) {
|
|
break;
|
|
}
|
|
|
|
// successful end of init()
|
|
return *this;
|
|
} while(0); /*loop doesn't iterate*/
|
|
|
|
// when an error occurs, then set this object to "bogus" (there is no UErrorCode here)
|
|
setToBogus();
|
|
|
|
return *this;
|
|
}
|
|
|
|
/*
|
|
* Set up the base name.
|
|
* If there are no key words, it's exactly the full name.
|
|
* If key words exist, it's the full name truncated at the '@' character.
|
|
* Need to set up both at init() and after setting a keyword.
|
|
*/
|
|
void
|
|
Locale::initBaseName(UErrorCode &status) {
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
U_ASSERT(baseName==NULL || baseName==fullName);
|
|
const char *atPtr = uprv_strchr(fullName, '@');
|
|
const char *eqPtr = uprv_strchr(fullName, '=');
|
|
if (atPtr && eqPtr && atPtr < eqPtr) {
|
|
// Key words exist.
|
|
int32_t baseNameLength = (int32_t)(atPtr - fullName);
|
|
baseName = (char *)uprv_malloc(baseNameLength + 1);
|
|
if (baseName == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
return;
|
|
}
|
|
uprv_strncpy(baseName, fullName, baseNameLength);
|
|
baseName[baseNameLength] = 0;
|
|
|
|
// The original computation of variantBegin leaves it equal to the length
|
|
// of fullName if there is no variant. It should instead be
|
|
// the length of the baseName.
|
|
if (variantBegin > baseNameLength) {
|
|
variantBegin = baseNameLength;
|
|
}
|
|
} else {
|
|
baseName = fullName;
|
|
}
|
|
}
|
|
|
|
|
|
int32_t
|
|
Locale::hashCode() const
|
|
{
|
|
return ustr_hashCharsN(fullName, uprv_strlen(fullName));
|
|
}
|
|
|
|
void
|
|
Locale::setToBogus() {
|
|
/* Free our current storage */
|
|
if(baseName != fullName) {
|
|
uprv_free(baseName);
|
|
}
|
|
baseName = NULL;
|
|
if(fullName != fullNameBuffer) {
|
|
uprv_free(fullName);
|
|
fullName = fullNameBuffer;
|
|
}
|
|
*fullNameBuffer = 0;
|
|
*language = 0;
|
|
*script = 0;
|
|
*country = 0;
|
|
fIsBogus = TRUE;
|
|
variantBegin = 0;
|
|
}
|
|
|
|
const Locale& U_EXPORT2
|
|
Locale::getDefault()
|
|
{
|
|
{
|
|
Mutex lock(&gDefaultLocaleMutex);
|
|
if (gDefaultLocale != NULL) {
|
|
return *gDefaultLocale;
|
|
}
|
|
}
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
return *locale_set_default_internal(NULL, status);
|
|
}
|
|
|
|
|
|
|
|
void U_EXPORT2
|
|
Locale::setDefault( const Locale& newLocale,
|
|
UErrorCode& status)
|
|
{
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
|
|
/* Set the default from the full name string of the supplied locale.
|
|
* This is a convenient way to access the default locale caching mechanisms.
|
|
*/
|
|
const char *localeID = newLocale.getName();
|
|
locale_set_default_internal(localeID, status);
|
|
}
|
|
|
|
Locale U_EXPORT2
|
|
Locale::createFromName (const char *name)
|
|
{
|
|
if (name) {
|
|
Locale l("");
|
|
l.init(name, FALSE);
|
|
return l;
|
|
}
|
|
else {
|
|
return getDefault();
|
|
}
|
|
}
|
|
|
|
Locale U_EXPORT2
|
|
Locale::createCanonical(const char* name) {
|
|
Locale loc("");
|
|
loc.init(name, TRUE);
|
|
return loc;
|
|
}
|
|
|
|
const char *
|
|
Locale::getISO3Language() const
|
|
{
|
|
return uloc_getISO3Language(fullName);
|
|
}
|
|
|
|
|
|
const char *
|
|
Locale::getISO3Country() const
|
|
{
|
|
return uloc_getISO3Country(fullName);
|
|
}
|
|
|
|
/**
|
|
* Return the LCID value as specified in the "LocaleID" resource for this
|
|
* locale. The LocaleID must be expressed as a hexadecimal number, from
|
|
* one to four digits. If the LocaleID resource is not present, or is
|
|
* in an incorrect format, 0 is returned. The LocaleID is for use in
|
|
* Windows (it is an LCID), but is available on all platforms.
|
|
*/
|
|
uint32_t
|
|
Locale::getLCID() const
|
|
{
|
|
return uloc_getLCID(fullName);
|
|
}
|
|
|
|
const char* const* U_EXPORT2 Locale::getISOCountries()
|
|
{
|
|
return uloc_getISOCountries();
|
|
}
|
|
|
|
const char* const* U_EXPORT2 Locale::getISOLanguages()
|
|
{
|
|
return uloc_getISOLanguages();
|
|
}
|
|
|
|
// Set the locale's data based on a posix id.
|
|
void Locale::setFromPOSIXID(const char *posixID)
|
|
{
|
|
init(posixID, TRUE);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getRoot(void)
|
|
{
|
|
return getLocale(eROOT);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getEnglish(void)
|
|
{
|
|
return getLocale(eENGLISH);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getFrench(void)
|
|
{
|
|
return getLocale(eFRENCH);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getGerman(void)
|
|
{
|
|
return getLocale(eGERMAN);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getItalian(void)
|
|
{
|
|
return getLocale(eITALIAN);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getJapanese(void)
|
|
{
|
|
return getLocale(eJAPANESE);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getKorean(void)
|
|
{
|
|
return getLocale(eKOREAN);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getChinese(void)
|
|
{
|
|
return getLocale(eCHINESE);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getSimplifiedChinese(void)
|
|
{
|
|
return getLocale(eCHINA);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getTraditionalChinese(void)
|
|
{
|
|
return getLocale(eTAIWAN);
|
|
}
|
|
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getFrance(void)
|
|
{
|
|
return getLocale(eFRANCE);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getGermany(void)
|
|
{
|
|
return getLocale(eGERMANY);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getItaly(void)
|
|
{
|
|
return getLocale(eITALY);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getJapan(void)
|
|
{
|
|
return getLocale(eJAPAN);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getKorea(void)
|
|
{
|
|
return getLocale(eKOREA);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getChina(void)
|
|
{
|
|
return getLocale(eCHINA);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getPRC(void)
|
|
{
|
|
return getLocale(eCHINA);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getTaiwan(void)
|
|
{
|
|
return getLocale(eTAIWAN);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getUK(void)
|
|
{
|
|
return getLocale(eUK);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getUS(void)
|
|
{
|
|
return getLocale(eUS);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getCanada(void)
|
|
{
|
|
return getLocale(eCANADA);
|
|
}
|
|
|
|
const Locale & U_EXPORT2
|
|
Locale::getCanadaFrench(void)
|
|
{
|
|
return getLocale(eCANADA_FRENCH);
|
|
}
|
|
|
|
const Locale &
|
|
Locale::getLocale(int locid)
|
|
{
|
|
Locale *localeCache = getLocaleCache();
|
|
U_ASSERT((locid < eMAX_LOCALES)&&(locid>=0));
|
|
if (localeCache == NULL) {
|
|
// Failure allocating the locale cache.
|
|
// The best we can do is return a NULL reference.
|
|
locid = 0;
|
|
}
|
|
return localeCache[locid]; /*operating on NULL*/
|
|
}
|
|
|
|
/*
|
|
This function is defined this way in order to get around static
|
|
initialization and static destruction.
|
|
*/
|
|
Locale *
|
|
Locale::getLocaleCache(void)
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
umtx_initOnce(gLocaleCacheInitOnce, locale_init, status);
|
|
return gLocaleCache;
|
|
}
|
|
|
|
class KeywordEnumeration : public StringEnumeration {
|
|
private:
|
|
char *keywords;
|
|
char *current;
|
|
int32_t length;
|
|
UnicodeString currUSKey;
|
|
static const char fgClassID;/* Warning this is used beyond the typical RTTI usage. */
|
|
|
|
public:
|
|
static UClassID U_EXPORT2 getStaticClassID(void) { return (UClassID)&fgClassID; }
|
|
virtual UClassID getDynamicClassID(void) const { return getStaticClassID(); }
|
|
public:
|
|
KeywordEnumeration(const char *keys, int32_t keywordLen, int32_t currentIndex, UErrorCode &status)
|
|
: keywords((char *)&fgClassID), current((char *)&fgClassID), length(0) {
|
|
if(U_SUCCESS(status) && keywordLen != 0) {
|
|
if(keys == NULL || keywordLen < 0) {
|
|
status = U_ILLEGAL_ARGUMENT_ERROR;
|
|
} else {
|
|
keywords = (char *)uprv_malloc(keywordLen+1);
|
|
if (keywords == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
}
|
|
else {
|
|
uprv_memcpy(keywords, keys, keywordLen);
|
|
keywords[keywordLen] = 0;
|
|
current = keywords + currentIndex;
|
|
length = keywordLen;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
virtual ~KeywordEnumeration();
|
|
|
|
virtual StringEnumeration * clone() const
|
|
{
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
return new KeywordEnumeration(keywords, length, (int32_t)(current - keywords), status);
|
|
}
|
|
|
|
virtual int32_t count(UErrorCode &/*status*/) const {
|
|
char *kw = keywords;
|
|
int32_t result = 0;
|
|
while(*kw) {
|
|
result++;
|
|
kw += uprv_strlen(kw)+1;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
virtual const char* next(int32_t* resultLength, UErrorCode& status) {
|
|
const char* result;
|
|
int32_t len;
|
|
if(U_SUCCESS(status) && *current != 0) {
|
|
result = current;
|
|
len = (int32_t)uprv_strlen(current);
|
|
current += len+1;
|
|
if(resultLength != NULL) {
|
|
*resultLength = len;
|
|
}
|
|
} else {
|
|
if(resultLength != NULL) {
|
|
*resultLength = 0;
|
|
}
|
|
result = NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
virtual const UnicodeString* snext(UErrorCode& status) {
|
|
int32_t resultLength = 0;
|
|
const char *s = next(&resultLength, status);
|
|
return setChars(s, resultLength, status);
|
|
}
|
|
|
|
virtual void reset(UErrorCode& /*status*/) {
|
|
current = keywords;
|
|
}
|
|
};
|
|
|
|
const char KeywordEnumeration::fgClassID = '\0';
|
|
|
|
KeywordEnumeration::~KeywordEnumeration() {
|
|
uprv_free(keywords);
|
|
}
|
|
|
|
StringEnumeration *
|
|
Locale::createKeywords(UErrorCode &status) const
|
|
{
|
|
char keywords[256];
|
|
int32_t keywordCapacity = 256;
|
|
StringEnumeration *result = NULL;
|
|
|
|
const char* variantStart = uprv_strchr(fullName, '@');
|
|
const char* assignment = uprv_strchr(fullName, '=');
|
|
if(variantStart) {
|
|
if(assignment > variantStart) {
|
|
int32_t keyLen = locale_getKeywords(variantStart+1, '@', keywords, keywordCapacity, NULL, 0, NULL, FALSE, &status);
|
|
if(keyLen) {
|
|
result = new KeywordEnumeration(keywords, keyLen, 0, status);
|
|
}
|
|
} else {
|
|
status = U_INVALID_FORMAT_ERROR;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int32_t
|
|
Locale::getKeywordValue(const char* keywordName, char *buffer, int32_t bufLen, UErrorCode &status) const
|
|
{
|
|
return uloc_getKeywordValue(fullName, keywordName, buffer, bufLen, &status);
|
|
}
|
|
|
|
void
|
|
Locale::setKeywordValue(const char* keywordName, const char* keywordValue, UErrorCode &status)
|
|
{
|
|
uloc_setKeywordValue(keywordName, keywordValue, fullName, ULOC_FULLNAME_CAPACITY, &status);
|
|
if (U_SUCCESS(status) && baseName == fullName) {
|
|
// May have added the first keyword, meaning that the fullName is no longer also the baseName.
|
|
initBaseName(status);
|
|
}
|
|
}
|
|
|
|
const char *
|
|
Locale::getBaseName() const {
|
|
return baseName;
|
|
}
|
|
|
|
//eof
|
|
U_NAMESPACE_END
|
|
|