ArgExtractor::ArgExtractor(const NumberFormat& nf, const Formattable& obj, UErrorCode& status)
: ncnf((NumberFormat*) &nf), num(&obj), setCurr(FALSE) {
const UObject* o = obj.getObject(); // most commonly o==NULL
const CurrencyAmount* amt;
if (o != NULL && (amt = dynamic_cast<const CurrencyAmount*>(o)) != NULL) {
// getISOCurrency() returns a pointer to internal storage, so we
// copy it to retain it across the call to setCurrency().
const UChar* curr = amt->getISOCurrency();
u_strcpy(save, nf.getCurrency());
setCurr = (u_strcmp(curr, save) != 0);
if (setCurr) {
ncnf->setCurrency(curr, status);
}
num = &amt->getNumber();
}
}
std::string GlobalizationNDK::getCurrencyPattern(const std::string& args)
{
if (args.empty()) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: no arguments provided!");
return errorInJson(UNKNOWN_ERROR, "No arguments provided!");
}
Json::Reader reader;
Json::Value root;
bool parse = reader.parse(args, root);
if (!parse) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: invalid json data: %s",
args.c_str());
return errorInJson(PARSING_ERROR, "Invalid json data!");
}
Json::Value ccv = root["currencyCode"];
if (ccv.isNull()) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: no currencyCode provided!");
return errorInJson(FORMATTING_ERROR, "No currencyCode provided!");
}
if (!ccv.isString()) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: invalid currencyCode type: %d!",
ccv.type());
return errorInJson(FORMATTING_ERROR, "Invalid currencyCode type!");
}
std::string cc = ccv.asString();
if (cc.empty()) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: empty currencyCode!");
return errorInJson(FORMATTING_ERROR, "Empty currencyCode!");
}
UnicodeString ucc = UnicodeString::fromUTF8(cc);
DecimalFormat* df = 0;
int count = 0;
const Locale* locs = Locale::getAvailableLocales(count);
for (int i = 0; i < count; ++i) {
UErrorCode status = U_ZERO_ERROR;
NumberFormat* nf = NumberFormat::createCurrencyInstance(*(locs + i), status);
if (!nf) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: locale %d: unable to get NumberFormat instance!",
i);
continue;
}
std::auto_ptr<NumberFormat> ndeleter(nf);
const UChar* currency = nf->getCurrency();
if (!currency) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: locale %d: failed to getCurrency!",
i);
continue;
}
if (!ucc.compare(currency, -1)) {
df = (DecimalFormat*) ndeleter.release();
break;
}
}
if (!df)
return errorInJson(UNKNOWN_ERROR, "Currency not supported!");
std::auto_ptr<DecimalFormat> deleter(df);
const DecimalFormatSymbols* dfs = df->getDecimalFormatSymbols();
if (!dfs) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getCurrencyPattern: unable to get DecimalFormatSymbols!");
return errorInJson(UNKNOWN_ERROR, "Failed to get DecimalFormatSymbols!");
}
UnicodeString ucs;
std::string pattern;
df->toPattern(ucs);
ucs.toUTF8String(pattern);
ucs.remove();
int fraction = df->getMaximumFractionDigits();
double rounding = df->getRoundingIncrement();
std::string decimal;
ucs = dfs->getSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol);
ucs.toUTF8String(decimal);
ucs.remove();
std::string grouping;
ucs = dfs->getSymbol(DecimalFormatSymbols::kGroupingSeparatorSymbol);
ucs.toUTF8String(grouping);
ucs.remove();
return resultInJson(pattern, cc, fraction, rounding, decimal, grouping);
}