/**
* Convenience method that ought to be in NumberFormat
*/
NumberFormat*
MessageFormat::createIntegerFormat(const Locale& locale, UErrorCode& status) const {
NumberFormat *temp = NumberFormat::createInstance(locale, status);
if (temp != NULL && temp->getDynamicClassID() == DecimalFormat::getStaticClassID()) {
DecimalFormat *temp2 = (DecimalFormat*) temp;
temp2->setMaximumFractionDigits(0);
temp2->setDecimalSeparatorAlwaysShown(FALSE);
temp2->setParseIntegerOnly(TRUE);
}
return temp;
}
/**
* This test does round-trip testing (format -> parse -> format -> parse -> etc.) of
* NumberFormat.
*/
void IntlTestNumberFormatAPI::testAPI(/* char* par */)
{
UErrorCode status = U_ZERO_ERROR;
// ======= Test constructors
logln("Testing NumberFormat constructors");
NumberFormat *def = NumberFormat::createInstance(status);
if(U_FAILURE(status)) {
errln("ERROR: Could not create NumberFormat (default)");
}
status = U_ZERO_ERROR;
NumberFormat *fr = NumberFormat::createInstance(Locale::getFrench(), status);
if(U_FAILURE(status)) {
errln("ERROR: Could not create NumberFormat (French)");
}
NumberFormat *cur = NumberFormat::createCurrencyInstance(status);
if(U_FAILURE(status)) {
errln("ERROR: Could not create NumberFormat (currency, default)");
}
status = U_ZERO_ERROR;
NumberFormat *cur_fr = NumberFormat::createCurrencyInstance(Locale::getFrench(), status);
if(U_FAILURE(status)) {
errln("ERROR: Could not create NumberFormat (currency, French)");
}
NumberFormat *per = NumberFormat::createPercentInstance(status);
if(U_FAILURE(status)) {
errln("ERROR: Could not create NumberFormat (percent, default)");
}
status = U_ZERO_ERROR;
NumberFormat *per_fr = NumberFormat::createPercentInstance(Locale::getFrench(), status);
if(U_FAILURE(status)) {
errln("ERROR: Could not create NumberFormat (percent, French)");
}
// ======= Test equality
if (per_fr != NULL && cur_fr != NULL)
{
logln("Testing equality operator");
if( *per_fr == *cur_fr || ! ( *per_fr != *cur_fr) ) {
errln("ERROR: == failed");
}
}
// ======= Test various format() methods
if (cur_fr != NULL)
{
logln("Testing various format() methods");
double d = -10456.0037;
int32_t l = 100000000;
Formattable fD(d);
Formattable fL(l);
UnicodeString res1, res2, res3, res4, res5, res6;
FieldPosition pos1(0), pos2(0), pos3(0), pos4(0);
res1 = cur_fr->format(d, res1);
logln( (UnicodeString) "" + (int32_t) d + " formatted to " + res1);
res2 = cur_fr->format(l, res2);
logln((UnicodeString) "" + (int32_t) l + " formatted to " + res2);
res3 = cur_fr->format(d, res3, pos1);
logln( (UnicodeString) "" + (int32_t) d + " formatted to " + res3);
res4 = cur_fr->format(l, res4, pos2);
logln((UnicodeString) "" + (int32_t) l + " formatted to " + res4);
status = U_ZERO_ERROR;
res5 = cur_fr->format(fD, res5, pos3, status);
if(U_FAILURE(status)) {
errln("ERROR: format(Formattable [double]) failed");
}
logln((UnicodeString) "" + (int32_t) fD.getDouble() + " formatted to " + res5);
status = U_ZERO_ERROR;
res6 = cur_fr->format(fL, res6, pos4, status);
if(U_FAILURE(status)) {
errln("ERROR: format(Formattable [long]) failed");
}
logln((UnicodeString) "" + fL.getLong() + " formatted to " + res6);
}
// ======= Test parse()
if (fr != NULL)
{
logln("Testing parse()");
double d = -10456.0037;
UnicodeString text("-10,456.0037");
Formattable result1, result2, result3;
ParsePosition pos(0), pos01(0);
fr->parseObject(text, result1, pos);
if(result1.getType() != Formattable::kDouble && result1.getDouble() != d) {
errln("ERROR: Roundtrip failed (via parse()) for " + text);
}
logln(text + " parsed into " + (int32_t) result1.getDouble());
fr->parse(text, result2, pos01);
if(result2.getType() != Formattable::kDouble && result2.getDouble() != d) {
errln("ERROR: Roundtrip failed (via parse()) for " + text);
}
logln(text + " parsed into " + (int32_t) result2.getDouble());
status = U_ZERO_ERROR;
fr->parse(text, result3, status);
if(U_FAILURE(status)) {
errln("ERROR: parse() failed");
}
if(result3.getType() != Formattable::kDouble && result3.getDouble() != d) {
errln("ERROR: Roundtrip failed (via parse()) for " + text);
}
logln(text + " parsed into " + (int32_t) result3.getDouble());
}
// ======= Test getters and setters
if (fr != NULL && def != NULL)
{
logln("Testing getters and setters");
int32_t count = 0;
const Locale *locales = NumberFormat::getAvailableLocales(count);
logln((UnicodeString) "Got " + count + " locales" );
for(int32_t i = 0; i < count; i++) {
UnicodeString name(locales[i].getName(),"");
logln(name);
}
fr->setParseIntegerOnly( def->isParseIntegerOnly() );
if(fr->isParseIntegerOnly() != def->isParseIntegerOnly() ) {
errln("ERROR: setParseIntegerOnly() failed");
}
fr->setGroupingUsed( def->isGroupingUsed() );
if(fr->isGroupingUsed() != def->isGroupingUsed() ) {
errln("ERROR: setGroupingUsed() failed");
}
fr->setMaximumIntegerDigits( def->getMaximumIntegerDigits() );
if(fr->getMaximumIntegerDigits() != def->getMaximumIntegerDigits() ) {
errln("ERROR: setMaximumIntegerDigits() failed");
}
fr->setMinimumIntegerDigits( def->getMinimumIntegerDigits() );
if(fr->getMinimumIntegerDigits() != def->getMinimumIntegerDigits() ) {
errln("ERROR: setMinimumIntegerDigits() failed");
}
fr->setMaximumFractionDigits( def->getMaximumFractionDigits() );
if(fr->getMaximumFractionDigits() != def->getMaximumFractionDigits() ) {
errln("ERROR: setMaximumFractionDigits() failed");
}
fr->setMinimumFractionDigits( def->getMinimumFractionDigits() );
if(fr->getMinimumFractionDigits() != def->getMinimumFractionDigits() ) {
errln("ERROR: setMinimumFractionDigits() failed");
}
}
// ======= Test getStaticClassID()
logln("Testing getStaticClassID()");
status = U_ZERO_ERROR;
NumberFormat *test = new DecimalFormat(status);
if(U_FAILURE(status)) {
errln("ERROR: Couldn't create a NumberFormat");
}
if(test->getDynamicClassID() != DecimalFormat::getStaticClassID()) {
errln("ERROR: getDynamicClassID() didn't return the expected value");
}
delete test;
delete def;
delete fr;
delete cur;
delete cur_fr;
delete per;
delete per_fr;
}
/**
* This test checks various generic API methods in DecimalFormat to achieve 100%
* API coverage.
*/
void IntlTestDecimalFormatAPI::testAPI(/*char *par*/)
{
UErrorCode status = U_ZERO_ERROR;
// ======= Test constructors
logln((UnicodeString)"Testing DecimalFormat constructors");
DecimalFormat def(status);
if(U_FAILURE(status)) {
errcheckln(status, "ERROR: Could not create DecimalFormat (default) - %s", u_errorName(status));
return;
}
// bug 10864
status = U_ZERO_ERROR;
DecimalFormat noGrouping("###0.##", status);
if (noGrouping.getGroupingSize() != 0) {
errln("Grouping size should be 0 for no grouping.");
}
// end bug 10864
status = U_ZERO_ERROR;
const UnicodeString pattern("#,##0.# FF");
DecimalFormat pat(pattern, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: Could not create DecimalFormat (pattern)");
return;
}
status = U_ZERO_ERROR;
DecimalFormatSymbols *symbols = new DecimalFormatSymbols(Locale::getFrench(), status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: Could not create DecimalFormatSymbols (French)");
return;
}
status = U_ZERO_ERROR;
DecimalFormat cust1(pattern, symbols, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: Could not create DecimalFormat (pattern, symbols*)");
}
status = U_ZERO_ERROR;
DecimalFormat cust2(pattern, *symbols, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: Could not create DecimalFormat (pattern, symbols)");
}
DecimalFormat copy(pat);
// ======= Test clone(), assignment, and equality
logln((UnicodeString)"Testing clone(), assignment and equality operators");
if( ! (copy == pat) || copy != pat) {
errln((UnicodeString)"ERROR: Copy constructor or == failed");
}
copy = cust1;
if(copy != cust1) {
errln((UnicodeString)"ERROR: Assignment (or !=) failed");
}
Format *clone = def.clone();
if( ! (*clone == def) ) {
errln((UnicodeString)"ERROR: Clone() failed");
}
delete clone;
// ======= Test various format() methods
logln((UnicodeString)"Testing various format() methods");
double d = -10456.0037;
int32_t l = 100000000;
Formattable fD(d);
Formattable fL(l);
UnicodeString res1, res2, res3, res4;
FieldPosition pos1(0), pos2(0), pos3(0), pos4(0);
res1 = def.format(d, res1, pos1);
logln( (UnicodeString) "" + (int32_t) d + " formatted to " + res1);
res2 = pat.format(l, res2, pos2);
logln((UnicodeString) "" + (int32_t) l + " formatted to " + res2);
status = U_ZERO_ERROR;
res3 = cust1.format(fD, res3, pos3, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: format(Formattable [double]) failed");
}
logln((UnicodeString) "" + (int32_t) fD.getDouble() + " formatted to " + res3);
status = U_ZERO_ERROR;
res4 = cust2.format(fL, res4, pos4, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: format(Formattable [long]) failed");
}
logln((UnicodeString) "" + fL.getLong() + " formatted to " + res4);
// ======= Test parse()
logln((UnicodeString)"Testing parse()");
UnicodeString text("-10,456.0037");
Formattable result1, result2;
ParsePosition pos(0);
UnicodeString patt("#,##0.#");
status = U_ZERO_ERROR;
pat.applyPattern(patt, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: applyPattern() failed");
}
pat.parse(text, result1, pos);
if(result1.getType() != Formattable::kDouble && result1.getDouble() != d) {
errln((UnicodeString)"ERROR: Roundtrip failed (via parse()) for " + text);
}
logln(text + " parsed into " + (int32_t) result1.getDouble());
status = U_ZERO_ERROR;
pat.parse(text, result2, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: parse() failed");
}
if(result2.getType() != Formattable::kDouble && result2.getDouble() != d) {
errln((UnicodeString)"ERROR: Roundtrip failed (via parse()) for " + text);
}
logln(text + " parsed into " + (int32_t) result2.getDouble());
// ======= Test getters and setters
logln((UnicodeString)"Testing getters and setters");
const DecimalFormatSymbols *syms = pat.getDecimalFormatSymbols();
DecimalFormatSymbols *newSyms = new DecimalFormatSymbols(*syms);
def.setDecimalFormatSymbols(*newSyms);
def.adoptDecimalFormatSymbols(newSyms); // don't use newSyms after this
if( *(pat.getDecimalFormatSymbols()) != *(def.getDecimalFormatSymbols())) {
errln((UnicodeString)"ERROR: adopt or set DecimalFormatSymbols() failed");
}
UnicodeString posPrefix;
pat.setPositivePrefix("+");
posPrefix = pat.getPositivePrefix(posPrefix);
logln((UnicodeString)"Positive prefix (should be +): " + posPrefix);
if(posPrefix != "+") {
errln((UnicodeString)"ERROR: setPositivePrefix() failed");
}
UnicodeString negPrefix;
pat.setNegativePrefix("-");
negPrefix = pat.getNegativePrefix(negPrefix);
logln((UnicodeString)"Negative prefix (should be -): " + negPrefix);
if(negPrefix != "-") {
errln((UnicodeString)"ERROR: setNegativePrefix() failed");
}
UnicodeString posSuffix;
pat.setPositiveSuffix("_");
posSuffix = pat.getPositiveSuffix(posSuffix);
logln((UnicodeString)"Positive suffix (should be _): " + posSuffix);
if(posSuffix != "_") {
errln((UnicodeString)"ERROR: setPositiveSuffix() failed");
}
UnicodeString negSuffix;
pat.setNegativeSuffix("~");
negSuffix = pat.getNegativeSuffix(negSuffix);
logln((UnicodeString)"Negative suffix (should be ~): " + negSuffix);
if(negSuffix != "~") {
errln((UnicodeString)"ERROR: setNegativeSuffix() failed");
}
int32_t multiplier = 0;
pat.setMultiplier(8);
multiplier = pat.getMultiplier();
logln((UnicodeString)"Multiplier (should be 8): " + multiplier);
if(multiplier != 8) {
errln((UnicodeString)"ERROR: setMultiplier() failed");
}
int32_t groupingSize = 0;
pat.setGroupingSize(2);
groupingSize = pat.getGroupingSize();
logln((UnicodeString)"Grouping size (should be 2): " + (int32_t) groupingSize);
if(groupingSize != 2) {
errln((UnicodeString)"ERROR: setGroupingSize() failed");
}
pat.setDecimalSeparatorAlwaysShown(TRUE);
UBool tf = pat.isDecimalSeparatorAlwaysShown();
logln((UnicodeString)"DecimalSeparatorIsAlwaysShown (should be TRUE) is " + (UnicodeString) (tf ? "TRUE" : "FALSE"));
if(tf != TRUE) {
errln((UnicodeString)"ERROR: setDecimalSeparatorAlwaysShown() failed");
}
// Added by Ken Liu testing set/isExponentSignAlwaysShown
pat.setExponentSignAlwaysShown(TRUE);
UBool esas = pat.isExponentSignAlwaysShown();
logln((UnicodeString)"ExponentSignAlwaysShown (should be TRUE) is " + (UnicodeString) (esas ? "TRUE" : "FALSE"));
if(esas != TRUE) {
errln((UnicodeString)"ERROR: ExponentSignAlwaysShown() failed");
}
// Added by Ken Liu testing set/isScientificNotation
pat.setScientificNotation(TRUE);
UBool sn = pat.isScientificNotation();
logln((UnicodeString)"isScientificNotation (should be TRUE) is " + (UnicodeString) (sn ? "TRUE" : "FALSE"));
if(sn != TRUE) {
errln((UnicodeString)"ERROR: setScientificNotation() failed");
}
// Added by Ken Liu testing set/getMinimumExponentDigits
int8_t MinimumExponentDigits = 0;
pat.setMinimumExponentDigits(2);
MinimumExponentDigits = pat.getMinimumExponentDigits();
logln((UnicodeString)"MinimumExponentDigits (should be 2) is " + (int8_t) MinimumExponentDigits);
if(MinimumExponentDigits != 2) {
errln((UnicodeString)"ERROR: setMinimumExponentDigits() failed");
}
// Added by Ken Liu testing set/getRoundingIncrement
double RoundingIncrement = 0.0;
pat.setRoundingIncrement(2.0);
RoundingIncrement = pat.getRoundingIncrement();
logln((UnicodeString)"RoundingIncrement (should be 2.0) is " + (double) RoundingIncrement);
if(RoundingIncrement != 2.0) {
errln((UnicodeString)"ERROR: setRoundingIncrement() failed");
}
//end of Ken's Adding
UnicodeString funkyPat;
funkyPat = pat.toPattern(funkyPat);
logln((UnicodeString)"Pattern is " + funkyPat);
UnicodeString locPat;
locPat = pat.toLocalizedPattern(locPat);
logln((UnicodeString)"Localized pattern is " + locPat);
// ======= Test applyPattern()
logln((UnicodeString)"Testing applyPattern()");
UnicodeString p1("#,##0.0#;(#,##0.0#)");
logln((UnicodeString)"Applying pattern " + p1);
status = U_ZERO_ERROR;
pat.applyPattern(p1, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: applyPattern() failed with " + (int32_t) status);
}
UnicodeString s2;
s2 = pat.toPattern(s2);
logln((UnicodeString)"Extracted pattern is " + s2);
if(s2 != p1) {
errln((UnicodeString)"ERROR: toPattern() result did not match pattern applied");
}
if(pat.getSecondaryGroupingSize() != 0) {
errln("FAIL: Secondary Grouping Size should be 0, not %d\n", pat.getSecondaryGroupingSize());
}
if(pat.getGroupingSize() != 3) {
errln("FAIL: Primary Grouping Size should be 3, not %d\n", pat.getGroupingSize());
}
UnicodeString p2("#,##,##0.0# FF;(#,##,##0.0# FF)");
logln((UnicodeString)"Applying pattern " + p2);
status = U_ZERO_ERROR;
pat.applyLocalizedPattern(p2, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: applyPattern() failed with " + (int32_t) status);
}
UnicodeString s3;
s3 = pat.toLocalizedPattern(s3);
logln((UnicodeString)"Extracted pattern is " + s3);
if(s3 != p2) {
errln((UnicodeString)"ERROR: toLocalizedPattern() result did not match pattern applied");
}
status = U_ZERO_ERROR;
UParseError pe;
pat.applyLocalizedPattern(p2, pe, status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: applyPattern((with ParseError)) failed with " + (int32_t) status);
}
UnicodeString s4;
s4 = pat.toLocalizedPattern(s3);
logln((UnicodeString)"Extracted pattern is " + s4);
if(s4 != p2) {
errln((UnicodeString)"ERROR: toLocalizedPattern(with ParseErr) result did not match pattern applied");
}
if(pat.getSecondaryGroupingSize() != 2) {
errln("FAIL: Secondary Grouping Size should be 2, not %d\n", pat.getSecondaryGroupingSize());
}
if(pat.getGroupingSize() != 3) {
errln("FAIL: Primary Grouping Size should be 3, not %d\n", pat.getGroupingSize());
}
// ======= Test getStaticClassID()
logln((UnicodeString)"Testing getStaticClassID()");
status = U_ZERO_ERROR;
NumberFormat *test = new DecimalFormat(status);
if(U_FAILURE(status)) {
errln((UnicodeString)"ERROR: Couldn't create a DecimalFormat");
}
if(test->getDynamicClassID() != DecimalFormat::getStaticClassID()) {
errln((UnicodeString)"ERROR: getDynamicClassID() didn't return the expected value");
}
delete test;
}
std::string GlobalizationNDK::getNumberPattern(const std::string& args)
{
// This is the default value when no options provided.
ENumberType type = kNumberDecimal;
if (!args.empty()) {
Json::Reader reader;
Json::Value root;
bool parse = reader.parse(args, root);
if (!parse) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getNumberPattern: invalid json data: %s",
args.c_str());
return errorInJson(PARSING_ERROR, "Invalid json data!");
}
Json::Value options = root["options"];
std::string error;
if (!handleNumberOptions(options, type, error))
return errorInJson(PARSING_ERROR, error);
}
std::string pattern, symbol, positive, negative, decimal, grouping;
int fraction;
double rounding;
UErrorCode status = U_ZERO_ERROR;
NumberFormat* nf;
switch (type) {
case kNumberDecimal:
default:
nf = NumberFormat::createInstance(status);
break;
case kNumberCurrency:
nf = NumberFormat::createCurrencyInstance(status);
break;
case kNumberPercent:
nf = NumberFormat::createPercentInstance(status);
break;
}
if (!nf) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getNumberPattern: failed to create NumberFormat instance for type %d: %d",
status, type);
return errorInJson(UNKNOWN_ERROR, "Failed to create NumberFormat instance!");
}
std::auto_ptr<NumberFormat> deleter(nf);
if (nf->getDynamicClassID() != DecimalFormat::getStaticClassID()) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getNumberPattern: DecimalFormat expected: %p != %p",
nf->getDynamicClassID(), DecimalFormat::getStaticClassID());
return errorInJson(UNKNOWN_ERROR, "DecimalFormat expected!");
}
DecimalFormat* df = (DecimalFormat*) nf;
const DecimalFormatSymbols* dfs = df->getDecimalFormatSymbols();
if (!dfs) {
slog2f(0, ID_G11N, SLOG2_ERROR, "GlobalizationNDK::getNumberPattern: unable to get DecimalFormatSymbols!");
return errorInJson(UNKNOWN_ERROR, "Failed to get DecimalFormatSymbols instance!");
}
UnicodeString ucs;
df->toPattern(ucs);
ucs.toUTF8String(pattern);
ucs.remove();
df->getPositivePrefix(ucs);
if (ucs.isEmpty())
df->getPositiveSuffix(ucs);
ucs.toUTF8String(positive);
ucs.remove();
df->getNegativePrefix(ucs);
if (ucs.isEmpty())
df->getNegativeSuffix(ucs);
ucs.toUTF8String(negative);
ucs.remove();
rounding = df->getRoundingIncrement();
fraction = df->getMaximumFractionDigits();
ucs = dfs->getSymbol(DecimalFormatSymbols::kDecimalSeparatorSymbol);
ucs.toUTF8String(decimal);
ucs.remove();
ucs = dfs->getSymbol(DecimalFormatSymbols::kGroupingSeparatorSymbol);
ucs.toUTF8String(grouping);
ucs.remove();
if (type == kNumberPercent)
ucs = dfs->getSymbol(DecimalFormatSymbols::kPercentSymbol);
else if (type == kNumberCurrency)
ucs = dfs->getSymbol(DecimalFormatSymbols::kCurrencySymbol);
else
ucs = dfs->getSymbol(DecimalFormatSymbols::kDigitSymbol);
ucs.toUTF8String(symbol);
ucs.remove();
return resultInJson(pattern, symbol, fraction, rounding, positive, negative, decimal, grouping);
}
/*
* Set a currency on a NumberFormat with pre-ICU 2.6 APIs.
* This is a "hack" that will not work properly for all cases because
* only ICU 2.6 introduced a more complete framework and data for this.
*
* @param nf The NumberFormat on which to set the currency; takes effect on
* currency-formatting NumberFormat instances.
* This must actually be a DecimalFormat instance.
* The display style of the output is controlled by nf (its pattern,
* usually from the display locale ID used to create this instance)
* while the currency symbol and number of decimals are set for
* the currency.
* @param currency The 3-letter ISO 4217 currency code, NUL-terminated.
* @param errorCode ICU error code, must pass U_SUCCESS() on input.
*/
static void
setNumberFormatCurrency_2_4(NumberFormat &nf, const char *currency, UErrorCode &errorCode) {
// argument checking
if(U_FAILURE(errorCode)) {
return;
}
if(currency==NULL || strlen(currency)!=3) {
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
return;
}
// check that the formatter is a DecimalFormat instance
// necessary because we will cast to the DecimalFormat subclass to set
// the currency symbol
if(nf.getDynamicClassID()!=DecimalFormat::getStaticClassID()) {
errorCode=U_ILLEGAL_ARGUMENT_ERROR;
return;
}
// map the currency code to a locale ID
// only the currencies in this array are supported
// it would be possible to map to a locale ID, instantiate a currency
// formatter for that and copy its values, but that would be slower,
// and we have to hardcode something here anyway
static const struct {
// ISO currency ID
const char *currency;
// fractionDigits==minimumFractionDigits==maximumFractionDigits
// for these currencies
int32_t fractionDigits;
/*
* Set the rounding increment to 0 if it is implied with the number of
* fraction digits. Setting an explicit rounding increment makes
* number formatting slower.
* In other words, set it to something other than 0 only for unusual
* cases like "nickel rounding" (0.05) when the increment differs from
* 10^(-maximumFractionDigits).
*/
double roundingIncrement;
// Unicode string with the desired currency display symbol or name
UChar symbol[16];
} currencyMap[]={
{ "USD", 2, 0.0, { 0x24, 0 } },
{ "GBP", 2, 0.0, { 0xa3, 0 } },
{ "EUR", 2, 0.0, { 0x20ac, 0 } },
{ "JPY", 0, 0.0, { 0xa5, 0 } }
};
int32_t i;
for(i=0; i<LENGTHOF(currencyMap); ++i) {
if(strcmp(currency, currencyMap[i].currency)==0) {
break;
}
}
if(i==LENGTHOF(currencyMap)) {
// a more specific error code would be useful in a real application
errorCode=U_UNSUPPORTED_ERROR;
return;
}
// set the currency-related data into the caller's formatter
nf.setMinimumFractionDigits(currencyMap[i].fractionDigits);
nf.setMaximumFractionDigits(currencyMap[i].fractionDigits);
DecimalFormat &dnf=(DecimalFormat &)nf;
dnf.setRoundingIncrement(currencyMap[i].roundingIncrement);
DecimalFormatSymbols symbols(*dnf.getDecimalFormatSymbols());
symbols.setSymbol(DecimalFormatSymbols::kCurrencySymbol, currencyMap[i].symbol);
dnf.setDecimalFormatSymbols(symbols); // do not adopt symbols: Jitterbug 2889
}