Convert kio_tar to use SubURLs

[Laurence Anderson]

David Faure wrote:

> On Tuesday 19 August 2003 21:04, Laurence Anderson wrote:
>> Hi,
>> 
>> I've attached a patch to kdebase to change over to using suburls for
>> archives. This means that before if you clicked on an archive you would
>> get something like:
>> tar:/home/me/archive.tar/
>> but now you get:
>> file:/home/me/archive.tar#tar:/
>> 
>> This has various benefits, such as making the ioslave simpler, and will
>> (soon) support archives within archives, and archives from other
>> protocols (like floppy, mac & network protocols like ftp etc).
> 
> Sounds fine to me, *if* kio_tar still reads the file by itself when it's a
> local archive, for performance reasons.

Yep, still does. 

> To implement "reading archives from other protocols" I guess you will
> have another kioslave read from that protocol, and then send it to
> kio_tar, like the initial kio_tar code did. This is the only way for
> remote protocols, but it slowed down the local case a bit, please keep
> that as a special case.
> 
> Anyway, the reason I moved away from ftp://path/archive.tar/#tar:/
> is that it has to download the *whole* archive, just to show its contents.
> Then when the user decides "ok, this tgz looks fine, I'll download it",
> he/she needs to download it all over again. On a slow connection, and/or
> with a very big tar file, this is a real waste of time - and it behaves in
> an unexpected way. I think it's better for the user to first download the
> tar file and then look into it :)

Havn't got any code properly working for remote archives yet, but as you
say, the feature isn't that useful.

> Of course with faster protocols (e.g. floppy) it makes sense - I guess
> we're back to using the settings from the configuration module, where the
> user can say which protocols are generally fast and which ones are
> generally slow for him/her.

Also, just to point out the paches need CVS from yesterday.

Laurence