1102 lines
30 KiB
C++
1102 lines
30 KiB
C++
/*
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**********************************************************************
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* Copyright (C) 1997-2010, 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 "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 "uhash.h"
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#include "ucln_cmn.h"
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#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))
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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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static U_NAMESPACE_QUALIFIER Locale *gLocaleCache = NULL;
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static U_NAMESPACE_QUALIFIER Locale *gDefaultLocale = NULL;
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static UHashtable *gDefaultLocalesHashT = NULL;
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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 (U_NAMESPACE_QUALIFIER 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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if (gLocaleCache) {
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delete [] gLocaleCache;
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gLocaleCache = NULL;
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}
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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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else if (gDefaultLocale) {
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// The cache wasn't created, and only one default locale was created.
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delete gDefaultLocale;
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}
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gDefaultLocale = NULL;
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return TRUE;
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}
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U_CDECL_END
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U_NAMESPACE_BEGIN
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//
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// locale_set_default_internal.
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//
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void locale_set_default_internal(const char *id)
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{
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UErrorCode status = U_ZERO_ERROR;
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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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umtx_lock(NULL);
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id = uprv_getDefaultLocaleID();
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umtx_unlock(NULL);
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canonicalize = TRUE; // always canonicalize host ID
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}
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// put the locale id into a canonical form,
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// in preparation for looking up this locale in the hash table of
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// already-created locale objects.
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//
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status = U_ZERO_ERROR;
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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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// Lazy creation of the hash table itself, if needed.
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UBool isOnlyLocale;
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UMTX_CHECK(NULL, (gDefaultLocale == NULL), isOnlyLocale);
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if (isOnlyLocale) {
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// We haven't seen this locale id before.
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// Create a new Locale object for it.
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Locale *newFirstDefault = new Locale(Locale::eBOGUS);
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if (newFirstDefault == NULL) {
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// No way to report errors from here.
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return;
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}
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newFirstDefault->init(localeNameBuf, FALSE);
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umtx_lock(NULL);
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if (gDefaultLocale == NULL) {
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gDefaultLocale = newFirstDefault; // Assignment to gDefaultLocale must happen inside mutex
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newFirstDefault = NULL;
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ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
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}
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// Else some other thread raced us through here, and set the new Locale.
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// Use the hash table next.
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umtx_unlock(NULL);
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if (newFirstDefault == NULL) {
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// We were successful in setting the locale, and we were the first one to set it.
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return;
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}
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// else start using the hash table.
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}
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// Lazy creation of the hash table itself, if needed.
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UBool hashTableNeedsInit;
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UMTX_CHECK(NULL, (gDefaultLocalesHashT == NULL), hashTableNeedsInit);
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if (hashTableNeedsInit) {
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status = U_ZERO_ERROR;
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UHashtable *tHashTable = uhash_open(uhash_hashChars, uhash_compareChars, NULL, &status);
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if (U_FAILURE(status)) {
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return;
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}
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uhash_setValueDeleter(tHashTable, deleteLocale);
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umtx_lock(NULL);
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if (gDefaultLocalesHashT == NULL) {
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gDefaultLocalesHashT = tHashTable;
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ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
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} else {
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uhash_close(tHashTable);
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hashTableNeedsInit = FALSE;
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}
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umtx_unlock(NULL);
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}
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// Hash table lookup, key is the locale full name
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umtx_lock(NULL);
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Locale *newDefault = (Locale *)uhash_get(gDefaultLocalesHashT, localeNameBuf);
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if (newDefault != NULL) {
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// We have the requested locale in the hash table already.
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// Just set it as default. Inside the mutex lock, for those troublesome processors.
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gDefaultLocale = newDefault;
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umtx_unlock(NULL);
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} else {
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umtx_unlock(NULL);
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// We haven't seen this locale id before.
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// Create a new Locale object for it.
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newDefault = new Locale(Locale::eBOGUS);
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if (newDefault == NULL) {
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// No way to report errors from here.
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return;
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}
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newDefault->init(localeNameBuf, FALSE);
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// Add newly created Locale to the hash table of default Locales
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const char *key = newDefault->getName();
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U_ASSERT(uprv_strcmp(key, localeNameBuf) == 0);
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umtx_lock(NULL);
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Locale *hashTableVal = (Locale *)uhash_get(gDefaultLocalesHashT, key);
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if (hashTableVal == NULL) {
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if (hashTableNeedsInit) {
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// This is the second request to set the locale.
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// Cache the first one.
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uhash_put(gDefaultLocalesHashT, (void *)gDefaultLocale->getName(), gDefaultLocale, &status);
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}
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uhash_put(gDefaultLocalesHashT, (void *)key, newDefault, &status);
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gDefaultLocale = newDefault;
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// ignore errors from hash table insert. (Couldn't do anything anyway)
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// We can still set the default Locale,
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// it just wont be cached, and will eventually leak.
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} else {
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// Some other thread raced us through here, and got the new Locale
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// into the hash table before us. Use that one.
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gDefaultLocale = hashTableVal; // Assignment to gDefaultLocale must happen inside mutex
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delete newDefault;
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}
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umtx_unlock(NULL);
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}
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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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locale_set_default_internal(id);
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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 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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if (baseName && baseName != baseNameBuffer) {
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uprv_free(baseName);
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baseName = 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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MaybeStackArray<char, ULOC_FULLNAME_CAPACITY> togo;
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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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char *p;
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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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size = lsize;
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}
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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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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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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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size += ksize + 1;
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}
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// NOW we have the full locale string..
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/*if the whole string is longer than our internal limit, we need
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to go to the heap for temporary buffers*/
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if (size >= togo.getCapacity())
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{
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// If togo_heap could not be created, initialize with default settings.
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if (togo.resize(size+1) == NULL) {
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init(NULL, FALSE);
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}
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}
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togo[0] = 0;
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// Now, copy it back.
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p = togo.getAlias();
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if ( lsize != 0 )
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{
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uprv_strcpy(p, newLanguage);
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p += lsize;
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}
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if ( ( vsize != 0 ) || (csize != 0) ) // at least: __v
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{ // ^
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*p++ = SEP_CHAR;
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}
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if ( csize != 0 )
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{
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uprv_strcpy(p, newCountry);
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p += csize;
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}
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if ( vsize != 0)
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{
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*p++ = SEP_CHAR; // at least: __v
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uprv_strncpy(p, newVariant, vsize); // Must use strncpy because
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p += vsize; // of trimming (above).
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*p = 0; // terminate
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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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*p++ = '@'; /* keyword parsing */
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}
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else {
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*p++ = '_'; /* Variant parsing with a script */
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if ( vsize == 0) {
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*p++ = '_'; /* No country found */
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}
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}
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uprv_strcpy(p, newKeywords);
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p += ksize;
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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.getAlias(), 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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if (&other == NULL) {
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this->setToBogus();
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return *this;
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}
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/* Free our current storage */
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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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/* baseName is the cached result of getBaseName. if 'other' has a
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baseName and it fits in baseNameBuffer, then copy it. otherwise set
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it to NULL, and let the user lazy-create it (in getBaseName) if they
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want it. */
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if(baseName && baseName != baseNameBuffer) {
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uprv_free(baseName);
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}
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baseName = NULL;
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if(other.baseName == other.baseNameBuffer) {
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uprv_strcpy(baseNameBuffer, other.baseNameBuffer);
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baseName = baseNameBuffer;
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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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|
|
UBool
|
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Locale::operator==( const Locale& other) const
|
|
{
|
|
return (uprv_strcmp(other.fullName, fullName) == 0);
|
|
}
|
|
|
|
/*This function initializes a Locale from a C locale ID*/
|
|
Locale& Locale::init(const char* localeID, UBool canonicalize)
|
|
{
|
|
fIsBogus = FALSE;
|
|
/* Free our current storage */
|
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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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|
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if(baseName && baseName != baseNameBuffer) {
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uprv_free(baseName);
|
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baseName = NULL;
|
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}
|
|
|
|
// not a loop:
|
|
// just an easy way to have a common error-exit
|
|
// without goto and without another function
|
|
do {
|
|
char *separator;
|
|
char *field[5] = {0};
|
|
int32_t fieldLen[5] = {0};
|
|
int32_t fieldIdx;
|
|
int32_t variantField;
|
|
int32_t length;
|
|
UErrorCode err;
|
|
|
|
if(localeID == NULL) {
|
|
// not an error, just set the default locale
|
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return *this = getDefault();
|
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}
|
|
|
|
/* preset all fields to empty */
|
|
language[0] = script[0] = country[0] = 0;
|
|
|
|
// "canonicalize" the locale ID to ICU/Java format
|
|
err = U_ZERO_ERROR;
|
|
length = canonicalize ?
|
|
uloc_canonicalize(localeID, fullName, sizeof(fullNameBuffer), &err) :
|
|
uloc_getName(localeID, fullName, sizeof(fullNameBuffer), &err);
|
|
|
|
if(err == U_BUFFER_OVERFLOW_ERROR || length >= (int32_t)sizeof(fullNameBuffer)) {
|
|
/*Go to heap for the fullName if necessary*/
|
|
fullName = (char *)uprv_malloc(sizeof(char)*(length + 1));
|
|
if(fullName == 0) {
|
|
fullName = fullNameBuffer;
|
|
break; // error: out of memory
|
|
}
|
|
err = U_ZERO_ERROR;
|
|
length = canonicalize ?
|
|
uloc_canonicalize(localeID, fullName, length+1, &err) :
|
|
uloc_getName(localeID, fullName, length+1, &err);
|
|
}
|
|
if(U_FAILURE(err) || err == U_STRING_NOT_TERMINATED_WARNING) {
|
|
/* should never occur */
|
|
break;
|
|
}
|
|
|
|
variantBegin = length;
|
|
|
|
/* 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 < (int32_t)(sizeof(field)/sizeof(field[0]))-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))
|
|
|| (fieldLen[1] == 4 && fieldLen[2] >= (int32_t)(sizeof(country)))
|
|
|| (fieldLen[1] != 4 && fieldLen[1] >= (int32_t)(sizeof(country))))
|
|
{
|
|
break; // error: one of the fields is too long
|
|
}
|
|
|
|
variantField = 2; /* Usually the 2nd one, except when a script is used. */
|
|
if (fieldLen[0] > 0) {
|
|
/* We have a language */
|
|
uprv_memcpy(language, fullName, fieldLen[0]);
|
|
language[fieldLen[0]] = 0;
|
|
}
|
|
if (fieldLen[1] == 4) {
|
|
/* We have at least a script */
|
|
uprv_memcpy(script, field[1], fieldLen[1]);
|
|
script[fieldLen[1]] = 0;
|
|
variantField = 3;
|
|
if (fieldLen[2] > 0) {
|
|
/* We have a country */
|
|
uprv_memcpy(country, field[2], fieldLen[2]);
|
|
country[fieldLen[2]] = 0;
|
|
}
|
|
}
|
|
else if (fieldLen[1] > 0) {
|
|
/* We have a country and no script */
|
|
uprv_memcpy(country, field[1], fieldLen[1]);
|
|
country[fieldLen[1]] = 0;
|
|
}
|
|
if (variantField > 0 && fieldLen[variantField] > 0) {
|
|
/* We have a variant */
|
|
variantBegin = (int32_t)(field[variantField] - fullName);
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
int32_t
|
|
Locale::hashCode() const
|
|
{
|
|
UHashTok hashKey;
|
|
hashKey.pointer = fullName;
|
|
return uhash_hashChars(hashKey);
|
|
}
|
|
|
|
void
|
|
Locale::setToBogus() {
|
|
/* Free our current storage */
|
|
if(fullName != fullNameBuffer) {
|
|
uprv_free(fullName);
|
|
fullName = fullNameBuffer;
|
|
}
|
|
if(baseName && baseName != baseNameBuffer) {
|
|
uprv_free(baseName);
|
|
baseName = NULL;
|
|
}
|
|
*fullNameBuffer = 0;
|
|
*language = 0;
|
|
*script = 0;
|
|
*country = 0;
|
|
fIsBogus = TRUE;
|
|
}
|
|
|
|
const Locale& U_EXPORT2
|
|
Locale::getDefault()
|
|
{
|
|
const Locale *retLocale;
|
|
UMTX_CHECK(NULL, gDefaultLocale, retLocale);
|
|
if (retLocale == NULL) {
|
|
locale_set_default_internal(NULL);
|
|
umtx_lock(NULL);
|
|
// Need a mutex in case some other thread set a new
|
|
// default inbetween when we set and when we get the new default. For
|
|
// processors with weak memory coherency, we might not otherwise see all
|
|
// of the newly created new default locale.
|
|
retLocale = gDefaultLocale;
|
|
umtx_unlock(NULL);
|
|
}
|
|
return *retLocale;
|
|
}
|
|
|
|
|
|
|
|
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);
|
|
}
|
|
|
|
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)
|
|
{
|
|
umtx_lock(NULL);
|
|
UBool needInit = (gLocaleCache == NULL);
|
|
umtx_unlock(NULL);
|
|
|
|
if (needInit) {
|
|
Locale *tLocaleCache = new Locale[(int)eMAX_LOCALES];
|
|
if (tLocaleCache == NULL) {
|
|
return NULL;
|
|
}
|
|
tLocaleCache[eROOT] = Locale("");
|
|
tLocaleCache[eENGLISH] = Locale("en");
|
|
tLocaleCache[eFRENCH] = Locale("fr");
|
|
tLocaleCache[eGERMAN] = Locale("de");
|
|
tLocaleCache[eITALIAN] = Locale("it");
|
|
tLocaleCache[eJAPANESE] = Locale("ja");
|
|
tLocaleCache[eKOREAN] = Locale("ko");
|
|
tLocaleCache[eCHINESE] = Locale("zh");
|
|
tLocaleCache[eFRANCE] = Locale("fr", "FR");
|
|
tLocaleCache[eGERMANY] = Locale("de", "DE");
|
|
tLocaleCache[eITALY] = Locale("it", "IT");
|
|
tLocaleCache[eJAPAN] = Locale("ja", "JP");
|
|
tLocaleCache[eKOREA] = Locale("ko", "KR");
|
|
tLocaleCache[eCHINA] = Locale("zh", "CN");
|
|
tLocaleCache[eTAIWAN] = Locale("zh", "TW");
|
|
tLocaleCache[eUK] = Locale("en", "GB");
|
|
tLocaleCache[eUS] = Locale("en", "US");
|
|
tLocaleCache[eCANADA] = Locale("en", "CA");
|
|
tLocaleCache[eCANADA_FRENCH] = Locale("fr", "CA");
|
|
|
|
umtx_lock(NULL);
|
|
if (gLocaleCache == NULL) {
|
|
gLocaleCache = tLocaleCache;
|
|
tLocaleCache = NULL;
|
|
ucln_common_registerCleanup(UCLN_COMMON_LOCALE, locale_cleanup);
|
|
}
|
|
umtx_unlock(NULL);
|
|
if (tLocaleCache) {
|
|
delete [] tLocaleCache; // Fancy array delete will destruct each member.
|
|
}
|
|
}
|
|
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() {
|
|
uprv_free(keywords);
|
|
}
|
|
|
|
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';
|
|
|
|
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);
|
|
}
|
|
|
|
const char *
|
|
Locale::getBaseName() const
|
|
{
|
|
// lazy init
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
// semantically const
|
|
if(baseName == 0) {
|
|
((Locale *)this)->baseName = ((Locale *)this)->baseNameBuffer;
|
|
int32_t baseNameSize = uloc_getBaseName(fullName, baseName, ULOC_FULLNAME_CAPACITY, &status);
|
|
if(baseNameSize >= ULOC_FULLNAME_CAPACITY) {
|
|
((Locale *)this)->baseName = (char *)uprv_malloc(sizeof(char) * baseNameSize + 1);
|
|
if (baseName == NULL) {
|
|
return baseName;
|
|
}
|
|
uloc_getBaseName(fullName, baseName, baseNameSize+1, &status);
|
|
}
|
|
baseName[baseNameSize] = 0;
|
|
|
|
// the 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. Patch around this for now.
|
|
if (variantBegin == (int32_t)uprv_strlen(fullName)) {
|
|
((Locale*)this)->variantBegin = baseNameSize;
|
|
}
|
|
}
|
|
return baseName;
|
|
}
|
|
|
|
//eof
|
|
U_NAMESPACE_END
|