[Development] QUtf8String{, View} (was: Re: QString and related changes for Qt 6)
Thiago Macieira
thiago.macieira at intel.com
Sat May 23 03:06:08 CEST 2020
On Thursday, 14 May 2020 07:41:45 PDT Marc Mutz via Development wrote:
> There's only our own lazyness which stands in the way of this better
> alternative.
[snip the rest]
Update:
As we're reviewing the changes Lars is making to get rid of QStringRef, Lars,
Marc and I came to the conclusion that QUtf8StringView is required for Qt 6.0.
That's because some methods that previously returned QStringRef now return
QStringView and to retain compatibility with:
if (xml.attribute("foo") == "bar")
where QXmlStreamReader::attribute() returns QStringView, we really need to
capture that "bar" as a UTF-8 string and we ought to have optimised UTF-16 to
UTF-8 comparisons. So we're working on it.
If it had been wrapped in QLatin1String(), there would be no compatibility
issues, as there already is an operator==() for QStringView/QLatin1String.
There are currently no conclusions on QUtf8String and QAnyString, nor on what
the APIs should look like.
--
Thiago Macieira - thiago.macieira (AT) intel.com
Software Architect - Intel System Software Products
More information about the Development
mailing list