2015-11-21 21:02 GMT-03:00 David Faure <fa...@kde.org>:
>
> This is an automatically generated e-mail. To reply, visit: 
> https://git.reviewboard.kde.org/r/125974/
>
> On November 7th, 2015, 9:25 a.m. UTC, David Faure wrote:
>
> BTW why create a KTar on top of a KCompressionDevice? KTar is able to handle 
> compression automatically all by itself... and that's exactly the case where 
> it will use a tempfile for the uncompressed data, making seeking work. This 
> patch is unnecessary if you use KTar the intended way: if the filename 
> doesn't end with .gz or .bz2, specify the mimetype explicitly in the KTar 
> constructor.
>
> On November 21st, 2015, 7:11 p.m. UTC, Romário Rios wrote:
>
> KCompressionDevice is supposed to be used when you want to extract data from 
> a QIODevice directly instead of a file -- KTar only handles compression 
> automatically if you pass it a filename. ATM, KCompressionDevice doesn't seem 
> to work properly with many QIODevices -- not even with QBuffer.
>
> KCompressionDevice should certainly work on top of a QBuffer. I just 
> committed a unittest that shows it working (but of course there might be a 
> bug in some other way to use it, feel free to show me in which case it 
> doesn't work).

Please take a look at my patch from the #125941 review request:
https://git.reviewboard.kde.org/r/125941/diff/2#2
It seems none of the test*BufferedNetworkReplyDevice tests work.

>
> Also, it's not true that KTar only handles compression if given a filename. 
> You can also pass it a mimetype like application/x-gzip and then it will use 
> compression.

What I meant was that, besides the QIODevice * constructor, KTar only
has a constructor taking a filename and (optionally) a mimetype.

>
>
> - David
>
>
> On November 6th, 2015, 2:52 a.m. UTC, Romário Rios wrote:
>
> Review request for KDE Frameworks and Aleix Pol Gonzalez.
> By Romário Rios.
>
> Updated Nov. 6, 2015, 2:52 a.m.
>
> Repository: karchive
>
> Description
>
> Up until now, since at least 5.12, decompressing some data coming directly 
> from a QIODevice by using KCompressionDevice because this is a sequential 
> device, and KTar and KArchive used to use QIODevice::seek and pos and some 
> places, which made the decompression fail. This patch makes KTar 
> sequential-friendly by replacing the calls to seek and pos with read and a 
> simple counter, respectively.
>
> Testing
>
> Makes the tests from review #125941 pass
>
> Diffs
>
> src/karchive.cpp (0ece37c)
> src/ktar.cpp (824395e)
>
> View Diff




-- 
Luiz Romário Santana Rios
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