PluralRules* U_EXPORT2
PluralRules::forLocale(const Locale& locale, UPluralType type, UErrorCode& status) {
RuleChain rChain;
if (U_FAILURE(status)) {
return NULL;
}
if (type >= UPLURAL_TYPE_COUNT) {
status = U_ILLEGAL_ARGUMENT_ERROR;
return NULL;
}
PluralRules *newObj = new PluralRules(status);
if (newObj==NULL || U_FAILURE(status)) {
delete newObj;
return NULL;
}
UnicodeString locRule = newObj->getRuleFromResource(locale, type, status);
if ((locRule.length() != 0) && U_SUCCESS(status)) {
newObj->parseDescription(locRule, rChain, status);
if (U_SUCCESS(status)) {
newObj->addRules(rChain);
}
}
if (U_FAILURE(status)||(locRule.length() == 0)) {
// use default plural rule
status = U_ZERO_ERROR;
UnicodeString defRule = UnicodeString(PLURAL_DEFAULT_RULE);
newObj->parseDescription(defRule, rChain, status);
newObj->addRules(rChain);
}
return newObj;
}
PluralRules* U_EXPORT2
PluralRules::createRules(const UnicodeString& description, UErrorCode& status) {
RuleChain rules;
if (U_FAILURE(status)) {
return NULL;
}
PluralRules *newRules = new PluralRules(status);
if ( (newRules != NULL)&& U_SUCCESS(status) ) {
newRules->parseDescription((UnicodeString &)description, rules, status);
if (U_SUCCESS(status)) {
newRules->addRules(rules);
}
}
if (U_FAILURE(status)) {
delete newRules;
return NULL;
}
else {
return newRules;
}
}