void
RuleBasedNumberFormat::parse(const UnicodeString& text,
Formattable& result,
ParsePosition& parsePosition) const
{
//TODO: We need a real fix. See #6895 / #6896
if (noParse) {
// skip parsing
parsePosition.setErrorIndex(0);
return;
}
if (!ruleSets) {
parsePosition.setErrorIndex(0);
return;
}
UnicodeString workingText(text, parsePosition.getIndex());
ParsePosition workingPos(0);
ParsePosition high_pp(0);
Formattable high_result;
for (NFRuleSet** p = ruleSets; *p; ++p) {
NFRuleSet *rp = *p;
if (rp->isPublic() && rp->isParseable()) {
ParsePosition working_pp(0);
Formattable working_result;
rp->parse(workingText, working_pp, kMaxDouble, working_result);
if (working_pp.getIndex() > high_pp.getIndex()) {
high_pp = working_pp;
high_result = working_result;
if (high_pp.getIndex() == workingText.length()) {
break;
}
}
}
}
int32_t startIndex = parsePosition.getIndex();
parsePosition.setIndex(startIndex + high_pp.getIndex());
if (high_pp.getIndex() > 0) {
parsePosition.setErrorIndex(-1);
} else {
int32_t errorIndex = (high_pp.getErrorIndex()>0)? high_pp.getErrorIndex(): 0;
parsePosition.setErrorIndex(startIndex + errorIndex);
}
result = high_result;
if (result.getType() == Formattable::kDouble) {
int32_t r = (int32_t)result.getDouble();
if ((double)r == result.getDouble()) {
result.setLong(r);
}
}
}
NFRuleSet*
RuleBasedNumberFormat::findRuleSet(const UnicodeString& name, UErrorCode& status) const
{
if (U_SUCCESS(status) && ruleSets) {
for (NFRuleSet** p = ruleSets; *p; ++p) {
NFRuleSet* rs = *p;
if (rs->isNamed(name)) {
return rs;
}
}
status = U_ILLEGAL_ARGUMENT_ERROR;
}
return NULL;
}
UnicodeString&
RuleBasedNumberFormat::format(double number,
const UnicodeString& ruleSetName,
UnicodeString& toAppendTo,
FieldPosition& /* pos */,
UErrorCode& status) const
{
if (U_SUCCESS(status)) {
if (ruleSetName.indexOf(gPercentPercent, 2, 0) == 0) {
// throw new IllegalArgumentException("Can't use internal rule set");
status = U_ILLEGAL_ARGUMENT_ERROR;
} else {
NFRuleSet *rs = findRuleSet(ruleSetName, status);
if (rs) {
rs->format(number, toAppendTo, toAppendTo.length());
}
}
}
return toAppendTo;
}
UnicodeString
RuleBasedNumberFormat::getRuleSetName(int32_t index) const
{
if (localizations) {
UnicodeString string(TRUE, localizations->getRuleSetName(index), (int32_t)-1);
return string;
} else if (ruleSets) {
UnicodeString result;
for (NFRuleSet** p = ruleSets; *p; ++p) {
NFRuleSet* rs = *p;
if (rs->isPublic()) {
if (--index == -1) {
rs->getName(result);
return result;
}
}
}
}
UnicodeString empty;
return empty;
}
