KDE 4 namespaces
thiago at kde.org
Sun May 15 16:09:43 BST 2005
[and you thought I would let the discussion die...]
Thiago Macieira wrote:
>with KDE 4 porting now imminent, I thought it was time to start the
>discussion on namespaces.
Ok, summarising how the discussion went, as someone so delicately put it,
I lost :-)
The longer version of that is that we don't want namespaces throughout the
KDE libraries. That's not my personal preference, but the majority here
We have two big groups of libraries:
- the core libraries, which don't use namespaces, and are there mostly to
build upon Qt [currently, libkdecore, libkdeui]
- KDE's own further libraries and technologies, which do use namespaces,
even if erratically (think libkio) [kparts, kio, kdeprint, kabc,
The consensus I have seen here is that we want:
1) to keep the existing core libraries without namespaces
2) to use namespaces on the other libraries
3) harmonise/normalise the namespace usage and naming
Please correct me if I'm wrong.
The issues to be solved, then, would be to:
a) decide what the namespace names should be. We are currently simply
using a flat namespace, beginning with K or KDE.
b) clean up KIO & kdecore
c) move on to discussing header naming
Which brings me to libkdenetwork. Qt4 has three base libraries: QtCore,
QtNetwork and QtGUI. We have two natural counterparts of those libraries
already, but not for QtNetwork. I'd like to see that fixed, with the
introduction of libkdenetwork in kdelibs.
That library would consist mainly of my own classes that are already in
libkdecore, which are already namespaced. So libkdenetwork falls into a
grey area. It is a core library, so it wouldn't take namespaces. But on
the other hand, it would be a new library (which would get namespaces),
and pragmatism would call for keeping namespaces where they already are.
Thiago Macieira - thiago (AT) macieira (DOT) info
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