const Locale &ResourceBundle::getLocale(void) const {
Mutex lock(&gLocaleLock);
if (fLocale != NULL) {
return *fLocale;
}
UErrorCode status = U_ZERO_ERROR;
const char *localeName = ures_getLocaleInternal(fResource, &status);
ResourceBundle *ncThis = const_cast<ResourceBundle *>(this);
ncThis->fLocale = new Locale(localeName);
return ncThis->fLocale != NULL ? *ncThis->fLocale : Locale::getDefault();
}
const Locale &ResourceBundle::getLocale(void) const
{
UBool needInit;
UMTX_CHECK(NULL, (fLocale == NULL), needInit);
if(needInit) {
UErrorCode status = U_ZERO_ERROR;
const char *localeName = ures_getLocaleInternal(fResource, &status);
Locale *tLocale = new Locale(localeName);
// Null pointer check
if (tLocale == NULL) {
return Locale::getDefault(); // Return default locale if one could not be created.
}
umtx_lock(NULL);
ResourceBundle *me = (ResourceBundle *)this; // semantically const
if (me->fLocale == NULL) {
me->fLocale = tLocale;
tLocale = NULL;
}
umtx_unlock(NULL);
delete tLocale;
}
return *fLocale;
}
U_NAMESPACE_BEGIN
// -------------------------------------
BreakIterator*
BreakIterator::buildInstance(const Locale& loc, const char *type, int32_t kind, UErrorCode &status)
{
char fnbuff[256];
char ext[4]={'\0'};
char actualLocale[ULOC_FULLNAME_CAPACITY];
int32_t size;
const UChar* brkfname = NULL;
UResourceBundle brkRulesStack;
UResourceBundle brkNameStack;
UResourceBundle *brkRules = &brkRulesStack;
UResourceBundle *brkName = &brkNameStack;
RuleBasedBreakIterator *result = NULL;
if (U_FAILURE(status))
return NULL;
ures_initStackObject(brkRules);
ures_initStackObject(brkName);
// Get the locale
UResourceBundle *b = ures_open(U_ICUDATA_BRKITR, loc.getName(), &status);
/* this is a hack for now. Should be fixed when the data is fetched from
brk_index.txt */
if(status==U_USING_DEFAULT_WARNING){
status=U_ZERO_ERROR;
ures_openFillIn(b, U_ICUDATA_BRKITR, "", &status);
}
// Get the "boundaries" array.
if (U_SUCCESS(status)) {
brkRules = ures_getByKeyWithFallback(b, "boundaries", brkRules, &status);
// Get the string object naming the rules file
brkName = ures_getByKeyWithFallback(brkRules, type, brkName, &status);
// Get the actual string
brkfname = ures_getString(brkName, &size, &status);
U_ASSERT((size_t)size<sizeof(fnbuff));
if ((size_t)size>=sizeof(fnbuff)) {
size=0;
if (U_SUCCESS(status)) {
status = U_BUFFER_OVERFLOW_ERROR;
}
}
// Use the string if we found it
if (U_SUCCESS(status) && brkfname) {
uprv_strncpy(actualLocale,
ures_getLocaleInternal(brkName, &status),
sizeof(actualLocale)/sizeof(actualLocale[0]));
UChar* extStart=u_strchr(brkfname, 0x002e);
int len = 0;
if(extStart!=NULL){
len = (int)(extStart-brkfname);
u_UCharsToChars(extStart+1, ext, sizeof(ext)); // nul terminates the buff
u_UCharsToChars(brkfname, fnbuff, len);
}
fnbuff[len]=0; // nul terminate
}
}
ures_close(brkRules);
ures_close(brkName);
UDataMemory* file = udata_open(U_ICUDATA_BRKITR, ext, fnbuff, &status);
if (U_FAILURE(status)) {
ures_close(b);
return NULL;
}
// Create a RuleBasedBreakIterator
result = new RuleBasedBreakIterator(file, status);
// If there is a result, set the valid locale and actual locale, and the kind
if (U_SUCCESS(status) && result != NULL) {
U_LOCALE_BASED(locBased, *(BreakIterator*)result);
locBased.setLocaleIDs(ures_getLocaleByType(b, ULOC_VALID_LOCALE, &status), actualLocale);
result->setBreakType(kind);
}
ures_close(b);
if (U_FAILURE(status) && result != NULL) { // Sometimes redundant check, but simple
delete result;
return NULL;
}
if (result == NULL) {
udata_close(file);
if (U_SUCCESS(status)) {
status = U_MEMORY_ALLOCATION_ERROR;
}
}
return result;
}