Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 11 and week 12*

I worked last couple of weeks on converting some of the contexts in sc/ as
before. I spent most of my time looking to improve some performance in the
codes we've written by avoiding unnecessary string allocations. Also, I did
some refactoring of those codes to get better readability.

*Patches:*
https://gerrit.libreoffice.org/40791
https://gerrit.libreoffice.org/40846
https://gerrit.libreoffice.org/41063
https://gerrit.libreoffice.org/41364
https://gerrit.libreoffice.org/40928

Regards,
Azeem
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Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[timofonic timofonic]

Hello.

I'm just a user, but very interested in the progress of LibreOffice as
a platform. I sneak a bit the development stuff, trying to understand
something and still keep my hope to someday learn computer
programming. I'm going to try to be concise, but I can't resist to my
need to satisfy my curiosity.

Is this going to make LibreOffice faster in some way? Is it related in
some way to compatibility? What about making file reading and writing
more multithreaded?

Kind regards.

2017-08-08 19:38 GMT+02:00 Mohammed Abdul Azeem :
> Hi,
>
> Week 9 and week 10
>
> I continued to work on converting legacy contexts in sc/ module to fast
> contexts. We've converted almost all the legacy contexts in sc/ module,
> except for few which are dependent on the contexts in xmloff. We would need
> to convert contexts across all the other modules, before we start converting
> the ones in xmloff. Now, I'm working on avoiding allocation of OUString for
> attribute values wherever possible.
>
> Patches:
> https://gerrit.libreoffice.org/40320
> https://gerrit.libreoffice.org/40326
> https://gerrit.libreoffice.org/40540
> https://gerrit.libreoffice.org/40553
> https://gerrit.libreoffice.org/40561
>
> Regards,
> Azeem
>
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> https://lists.freedesktop.org/mailman/listinfo/libreoffice
>
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Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 9 and week 10*

I continued to work on converting legacy contexts in sc/ module to fast
contexts. We've converted almost all the legacy contexts in sc/ module,
except for few which are dependent on the contexts in xmloff. We would need
to convert contexts across all the other modules, before we start
converting the ones in xmloff. Now, I'm working on avoiding allocation of
OUString for attribute values wherever possible.

*Patches*:
https://gerrit.libreoffice.org/40320
https://gerrit.libreoffice.org/40326
https://gerrit.libreoffice.org/40540
https://gerrit.libreoffice.org/40553
https://gerrit.libreoffice.org/40561

Regards,
Azeem
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Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 7 and week 8*

We've continued to convert legacy contexts in sc/ module to fast contexts.
I also fixed a bug tdf#108835 (Writer was freezing when adding autocorrect
entry, due to synchronisation problems in package/ code).

*Patches*:
https://gerrit.libreoffice.org/39723
https://gerrit.libreoffice.org/39927
https://gerrit.libreoffice.org/40012
https://gerrit.libreoffice.org/40160
https://gerrit.libreoffice.org/40246

Regards,
Azeem
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Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 5 and week 6*

We continued to work on converting legacy contexts to new contexts, along
with some refactoring of code related to FastAttributeIter to make the code
using them more readable. Besides, Michael helped me in solving the bug
tdf#108821 (https://gerrit.libreoffice.org/39374).

*Patches*:
https://gerrit.libreoffice.org/39380
https://gerrit.libreoffice.org/39370
https://gerrit.libreoffice.org/39397
https://gerrit.libreoffice.org/39665
https://gerrit.libreoffice.org/39730



Regards,
Azeem
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Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 4*

We worked on making FastAttributeIter of
sax_fastparser::FastAttributeList cleaner
and better, including some aesthetic changes. Majority of my time this week
went in chasing tdf#108643 bug, which I realized was happening due to a
change by Caolán McNamara and was later fixed by him, I believe. Also I've
started working on adapting contexts from sc/source/filter/xml to work with
fast parser, few at a time.

*Patches*:
https://gerrit.libreoffice.org/38881
https://gerrit.libreoffice.org/38964
https://gerrit.libreoffice.org/39275

Regards,
Azeem
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Re: [GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 3*

We've started using BufferedStream ( size < 10k ) or BufferedThreadedStream
for unzipping instead of UnbufferedStream ( It resulted in a failure of
some unit tests, which was fixed in
https://gerrit.libreoffice.org/#/c/38661/ ).

Also, I've started to adopt the string based contexts in
sc/source/filter/xml/ to token based contexts. Also, we thought it's best
to implement processingInstruction callback event for XFastDocumentHandler
API, which makes it easier for this to take legacy APIs place. Also, I've
added some static methods in SvXMLImport, that reverse maps fast tokens to
Namespace and element name strings.

*Patches*:
https://gerrit.libreoffice.org/38661
https://gerrit.libreoffice.org/38708
https://gerrit.libreoffice.org/38784


Regards,
Azeem
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[GSoC] Migrating from legacy Parser to FastParser - Weekly Report

[Mohammed Abdul Azeem]

Hi,

*Week 1 and week 2*

Michael Meeks and I have been working on moving the unzipping into new
thread for over a month now. It took a couple of weeks to structure it
right and then a couple more weeks to debug our way through the bugs.
Meanwhile we discovered that there were some synchronisation problems in
package/ code which was causing intermittent stream open failure and we've
fixed it now.

*Patches*:
https://gerrit.libreoffice.org/#/c/38135/
https://gerrit.libreoffice.org/#/c/38563/

Regards,
Azeem
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