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Creating Jackrabbit's CND file editor [message #554378]

Sun, 22 August 2010 17:32

Sergiy Shyrkov

Messages: 2
Registered: August 2010

Junior Member

Hello,

I am new to Xtext (just watched one Webinar and couple of presentations) and would like to ask for help in getting started.

As a test case I decided to crate a simple editor for Jackrabbit's CND files - actually, we need an extended version of them.

There was an effort and working prototype of the editor as a part of the JCR Management Eclipse project, driven by Sandro Boehme, but it is stopped and it was using oaw syntax, so the code does not give me lot of clue on creating Xtext grammar.

My main problem is representing custom namespaces (similar to XML namespaces), i.e.:

<c = 'http://mycompany.org/core'>
<org = 'http://mycompany.org/modules/organisation'>

[org:empleyee] > c:person
 - org:employeeId
...

Could you, please, point me out to examples (right now I checked only arithmetics and domain model ones) or documentation to start with?
Just that I don't get into wrong direction.

Thank you in advance!

Kind regards
Sergiy

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Re: Creating Jackrabbit's CND file editor [message #554387 is a reply to message #554378]

Sun, 22 August 2010 18:42

Alexander Nittka

Messages: 1193
Registered: July 2009

Senior Member

Hi,

if you have the grammar for the "oAW syntax" editor, you should have quite a good starting point, as the grammar syntax did not change as dramatically as you might think.

Lexer rules are now called terminal rules and the header looks different. But apart from that, the two look quite similar. If you have problems with porting particular rules feel free to ask.

Also, I think there are a couple of blogs describing migration from oAW 4.3.x to Xtext 0.7 which should also serve as a good starter if you have the original code.

Alex

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Re: Creating Jackrabbit's CND file editor [message #554388 is a reply to message #554378]

Sun, 22 August 2010 18:44

Sven Efftinge

Messages: 1823
Registered: July 2009

Senior Member

Did you read the documentation? It is installed into Eclipse Help as
well as availabel online : http://www.eclipse.org/Xtext/documentation/

Am 8/22/10 7:32 PM, schrieb Sergiy Shyrkov:
> Hello,
>
> I am new to Xtext (just watched one Webinar and couple of presentations)
> and would like to ask for help in getting started.
>
> As a test case I decided to crate a simple editor for
> http://jackrabbit.apache.org/node-type-notation.html files - actually,
> we need an extended version of them.
>
> There was an effort and working prototype of the editor as a part of the
> http://wiki.eclipse.org/JCR_Management Eclipse project, driven by Sandro
> Boehme, but it is stopped and it was using oaw syntax, so the code does
> not give me lot of clue on creating Xtext grammar.
>
> My main problem is representing custom namespaces (similar to XML
> namespaces), i.e.:
>
>
> <c = 'http://mycompany.org/core'>
> <org = 'http://mycompany.org/modules/organisation'>
>
> [org:empleyee] > c:person
> - org:employeeId
> ..
>
>
> Could you, please, point me out to examples (right now I checked only
> arithmetics and domain model ones) or documentation to start with?
> Just that I don't get into wrong direction.
>
> Thank you in advance!
>
> Kind regards
> Sergiy

--
--
Need professional support for Xtext or other Eclipse Modeling technologies?
Go to: http://xtext.itemis.com
Twitter : @svenefftinge
Blog : http://blog.efftinge.de

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Re: Creating Jackrabbit's CND file editor [message #554391 is a reply to message #554378]

Sun, 22 August 2010 19:14

Sergiy Shyrkov

Messages: 2
Registered: August 2010

Junior Member

Thank you for the prompt reply!
I will use the documentation and first try to find the parts I can port from JCR Management project.

I also wanted to be sure, that I am not the another one newbie reinventing the wheel with CND editor Smile

That is why I would appreciate any feedbacks if anyone has experience with it or have seen an effort to implement it with Xtext.

The Xtext is really amazing project and emerges really fast that is why it is hard to find out if a particular effort is currently "under development" or not started at all.

Thanks again!

Kind regards
Sergiy

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