U_CAPI void U_EXPORT2 ulist_close_keyword_values_iterator(UEnumeration * en)
{
if (en != NULL)
{
ulist_deleteList((UList *)(en->context));
uprv_free(en);
}
}
U_CAPI UEnumeration* U_EXPORT2
ucal_getKeywordValuesForLocale(const char * /* key */, const char* locale, UBool commonlyUsed, UErrorCode *status) {
// Resolve region
char prefRegion[ULOC_FULLNAME_CAPACITY] = "";
int32_t prefRegionLength = 0;
prefRegionLength = uloc_getCountry(locale, prefRegion, sizeof(prefRegion), status);
if (prefRegionLength == 0) {
char loc[ULOC_FULLNAME_CAPACITY] = "";
int32_t locLength = 0;
locLength = uloc_addLikelySubtags(locale, loc, sizeof(loc), status);
prefRegionLength = uloc_getCountry(loc, prefRegion, sizeof(prefRegion), status);
}
// Read preferred calendar values from supplementalData calendarPreference
UResourceBundle *rb = ures_openDirect(NULL, "supplementalData", status);
ures_getByKey(rb, "calendarPreferenceData", rb, status);
UResourceBundle *order = ures_getByKey(rb, prefRegion, NULL, status);
if (*status == U_MISSING_RESOURCE_ERROR && rb != NULL) {
*status = U_ZERO_ERROR;
order = ures_getByKey(rb, "001", NULL, status);
}
// Create a list of calendar type strings
UList *values = NULL;
if (U_SUCCESS(*status)) {
values = ulist_createEmptyList(status);
if (U_SUCCESS(*status)) {
for (int i = 0; i < ures_getSize(order); i++) {
int32_t len;
const UChar *type = ures_getStringByIndex(order, i, &len, status);
char *caltype = (char*)uprv_malloc(len + 1);
if (caltype == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
break;
}
u_UCharsToChars(type, caltype, len);
*(caltype + len) = 0;
ulist_addItemEndList(values, caltype, TRUE, status);
if (U_FAILURE(*status)) {
break;
}
}
if (U_SUCCESS(*status) && !commonlyUsed) {
// If not commonlyUsed, add other available values
for (int32_t i = 0; CAL_TYPES[i] != NULL; i++) {
if (!ulist_containsString(values, CAL_TYPES[i], (int32_t)uprv_strlen(CAL_TYPES[i]))) {
ulist_addItemEndList(values, CAL_TYPES[i], FALSE, status);
if (U_FAILURE(*status)) {
break;
}
}
}
}
if (U_FAILURE(*status)) {
ulist_deleteList(values);
values = NULL;
}
}
}
ures_close(order);
ures_close(rb);
if (U_FAILURE(*status) || values == NULL) {
return NULL;
}
// Create string enumeration
UEnumeration *en = (UEnumeration*)uprv_malloc(sizeof(UEnumeration));
if (en == NULL) {
*status = U_MEMORY_ALLOCATION_ERROR;
ulist_deleteList(values);
return NULL;
}
ulist_resetList(values);
memcpy(en, &defaultKeywordValues, sizeof(UEnumeration));
en->context = values;
return en;
}