U_CAPI int32_t U_EXPORT2
uloc_getDisplayKeyword(const char* keyword,
const char* displayLocale,
UChar* dest,
int32_t destCapacity,
UErrorCode* status){
/* argument checking */
if(status==NULL || U_FAILURE(*status)) {
return 0;
}
if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
*status=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
/* pass itemKey=NULL to look for a top-level item */
return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
_kKeys, NULL,
keyword,
keyword,
dest, destCapacity,
status);
}
static int32_t
_getDisplayNameForComponent(const char * locale,
const char * displayLocale,
UChar * dest, int32_t destCapacity,
UDisplayNameGetter * getter,
const char * tag,
UErrorCode * pErrorCode)
{
char localeBuffer[ULOC_FULLNAME_CAPACITY * 4];
int32_t length;
UErrorCode localStatus;
const char * root = NULL;
/* argument checking */
if (pErrorCode == NULL || U_FAILURE(*pErrorCode))
{
return 0;
}
if (destCapacity < 0 || (destCapacity > 0 && dest == NULL))
{
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
localStatus = U_ZERO_ERROR;
length = (*getter)(locale, localeBuffer, sizeof(localeBuffer), &localStatus);
if (U_FAILURE(localStatus) || localStatus == U_STRING_NOT_TERMINATED_WARNING)
{
*pErrorCode = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
if (length == 0)
{
return u_terminateUChars(dest, destCapacity, 0, pErrorCode);
}
root = tag == _kCountries ? U_ICUDATA_REGION : U_ICUDATA_LANG;
return _getStringOrCopyKey(root, displayLocale,
tag, NULL, localeBuffer,
localeBuffer,
dest, destCapacity,
pErrorCode);
}
U_CAPI int32_t U_EXPORT2
uloc_getDisplayKeywordValue( const char* locale,
const char* keyword,
const char* displayLocale,
UChar* dest,
int32_t destCapacity,
UErrorCode* status){
char keywordValue[ULOC_FULLNAME_CAPACITY*4];
int32_t capacity = ULOC_FULLNAME_CAPACITY*4;
int32_t keywordValueLen =0;
/* argument checking */
if(status==NULL || U_FAILURE(*status)) {
return 0;
}
if(destCapacity<0 || (destCapacity>0 && dest==NULL)) {
*status=U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
/* get the keyword value */
keywordValue[0]=0;
keywordValueLen = uloc_getKeywordValue(locale, keyword, keywordValue, capacity, status);
/*
* if the keyword is equal to currency .. then to get the display name
* we need to do the fallback ourselves
*/
if(uprv_stricmp(keyword, _kCurrency)==0){
int32_t dispNameLen = 0;
const UChar *dispName = NULL;
UResourceBundle *bundle = ures_open(U_ICUDATA_CURR, displayLocale, status);
UResourceBundle *currencies = ures_getByKey(bundle, _kCurrencies, NULL, status);
UResourceBundle *currency = ures_getByKeyWithFallback(currencies, keywordValue, NULL, status);
dispName = ures_getStringByIndex(currency, UCURRENCY_DISPLAY_NAME_INDEX, &dispNameLen, status);
/*close the bundles */
ures_close(currency);
ures_close(currencies);
ures_close(bundle);
if(U_FAILURE(*status)){
if(*status == U_MISSING_RESOURCE_ERROR){
/* we just want to write the value over if nothing is available */
*status = U_USING_DEFAULT_WARNING;
}else{
return 0;
}
}
/* now copy the dispName over if not NULL */
if(dispName != NULL){
if(dispNameLen <= destCapacity){
uprv_memcpy(dest, dispName, dispNameLen * U_SIZEOF_UCHAR);
return u_terminateUChars(dest, destCapacity, dispNameLen, status);
}else{
*status = U_BUFFER_OVERFLOW_ERROR;
return dispNameLen;
}
}else{
/* we have not found the display name for the value .. just copy over */
if(keywordValueLen <= destCapacity){
u_charsToUChars(keywordValue, dest, keywordValueLen);
return u_terminateUChars(dest, destCapacity, keywordValueLen, status);
}else{
*status = U_BUFFER_OVERFLOW_ERROR;
return keywordValueLen;
}
}
}else{
return _getStringOrCopyKey(U_ICUDATA_LANG, displayLocale,
_kTypes, keyword,
keywordValue,
keywordValue,
dest, destCapacity,
status);
}
}