String ICULocale::convertFromLocalizedNumber(const String& localized)
{
initializeDecimalFormat();
String input = localized.stripWhiteSpace();
if (!m_numberFormat || input.isEmpty())
return input;
bool isNegative;
unsigned startIndex;
unsigned endIndex;
if (!detectSignAndGetDigitRange(input, isNegative, startIndex, endIndex)) {
// Input is broken. Returning an invalid number string.
return "*";
}
StringBuilder builder;
builder.reserveCapacity(input.length());
if (isNegative)
builder.append("-");
for (unsigned i = startIndex; i < endIndex;) {
unsigned symbolIndex = matchedDecimalSymbolIndex(input, i);
if (symbolIndex >= DecimalSymbolsSize)
return "*";
if (symbolIndex == DecimalSeparatorIndex)
builder.append('.');
else if (symbolIndex == GroupSeparatorIndex) {
// Ignore group separators.
} else
builder.append(static_cast<UChar>('0' + symbolIndex));
}
return builder.toString();
}
String Locale::convertFromLocalizedNumber(const String& localized)
{
initializeLocaleData();
String input = localized.removeCharacters(isASCIISpace);
if (!m_hasLocaleData || input.isEmpty())
return input;
bool isNegative;
unsigned startIndex;
unsigned endIndex;
if (!detectSignAndGetDigitRange(input, isNegative, startIndex, endIndex))
return input;
// Ignore leading '+', but will reject '+'-only string later.
if (!isNegative && endIndex - startIndex >= 2 && input[startIndex] == '+')
++startIndex;
StringBuilder builder;
builder.reserveCapacity(input.length());
if (isNegative)
builder.append('-');
for (unsigned i = startIndex; i < endIndex;) {
unsigned symbolIndex = matchedDecimalSymbolIndex(input, i);
if (symbolIndex >= DecimalSymbolsSize)
return input;
if (symbolIndex == DecimalSeparatorIndex)
builder.append('.');
else if (symbolIndex == GroupSeparatorIndex)
return input;
else
builder.append(static_cast<UChar>('0' + symbolIndex));
}
String converted = builder.toString();
// Ignore trailing '.', but will reject '.'-only string later.
if (converted.length() >= 2 && converted[converted.length() - 1] == '.')
converted = converted.left(converted.length() - 1);
return converted;
}