int QCollator::compare(const QChar *s1, int len1, const QChar *s2, int len2) const
{
QVarLengthArray<wchar_t> array1, array2;
stringToWCharArray(array1, QString(s1, len1));
stringToWCharArray(array2, QString(s2, len2));
return std::wcscoll(array1.constData(), array2.constData());
}
int QCollator::compare(const QString &s1, const QString &s2) const
{
QVarLengthArray<wchar_t> array1, array2;
stringToWCharArray(array1, s1);
stringToWCharArray(array2, s2);
return std::wcscoll(array1.constData(), array2.constData());
}
QCollatorSortKey QCollator::sortKey(const QString &string) const
{
QVarLengthArray<wchar_t> original;
stringToWCharArray(original, string);
QVector<wchar_t> result(string.size());
size_t size = std::wcsxfrm(result.data(), original.constData(), string.size());
if (size > uint(result.size())) {
result.resize(size+1);
size = std::wcsxfrm(result.data(), original.constData(), string.size());
}
result.resize(size+1);
result[size] = 0;
return QCollatorSortKey(new QCollatorSortKeyPrivate(result));
}