int QCollator::compare(const QChar *s1, int len1, const QChar *s2, int len2) const
{
if (d->dirty)
d->init();
SInt32 result;
Boolean equivalent;
UCCompareText(d->collator,
reinterpret_cast<const UniChar *>(s1), len1,
reinterpret_cast<const UniChar *>(s2), len2,
&equivalent,
&result);
if (equivalent)
return 0;
return result < 0 ? -1 : 1;
}
int MacOSUnicodeConverter::compareNIString( const XMLCh* const comp1
, const XMLCh* const comp2
, const XMLSize_t maxChars)
{
// If unicode collation routines are available, use them.
// This should be the case on Mac OS 8.6 and later,
// with Carbon 1.0.2 or later, and under Mac OS X.
//
// Otherwise, but only for Metrowerks, since only Metrowerks
// has a c library with a valid set of wchar routines,
// fall back to the standard library.
if (fHasUnicodeCollation && fCollator != NULL)
{
std::size_t cnt1 = XMLString::stringLen(comp1);
std::size_t cnt2 = XMLString::stringLen(comp2);
// Restrict view of source characters to first {maxChars}
if (cnt1 > maxChars)
cnt1 = maxChars;
if (cnt2 > maxChars)
cnt2 = maxChars;
Boolean equivalent = false;
SInt32 order = 0;
OSStatus status = UCCompareText(
fCollator,
reinterpret_cast<const UniChar*>(comp1),
cnt1,
reinterpret_cast<const UniChar*>(comp2),
cnt2,
&equivalent,
&order
);
return ((status != noErr) || equivalent) ? 0 : order;
}
else
{
// For some reason there is no platform utils available
// where we expect it. Bail.
XMLPlatformUtils::panic(PanicHandler::Panic_NoTransService);
return 0;
}
}
