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Creating Xtext project based on file name not file extension [message #714117]

Tue, 09 August 2011 20:38

Alex Ruiz

Messages: 103
Registered: March 2011

Senior Member

Greetings,

Given the success we had by using Xtext for the protocol buffer editor, I'm using Xtext again for an editor for an internal DSL.

The problem is that this is an existing DSL, and the files of this type should be recognized by file name, instead of file extension (the way Xtext works.) For example, a file of type MyDSL won't have any extension, but its name should be MYDSL.

It is easy to change the plugin.xml created by Xtext to work with file names, but resource factories work with extensions only:

(from my plugin.xml)

	<extension
		point="org.eclipse.emf.ecore.extension_parser">
		<parser class="com.google.eclipse.mydsleditor.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.resource.IResourceFactory"
			type="MYDSL">
		</parser>
	</extension>
	<extension point="org.eclipse.xtext.extension_resourceServiceProvider">
        <resourceServiceProvider
            class="com.google.eclipse.mydsleditor.ui.MyDslExecutableExtensionFactory:org.eclipse.xtext.ui.resource.IResourceUIServiceProvider"
            uriExtension="MYDSL">
        </resourceServiceProvider>
    </extension>

Is there a way to accomplish what I'm trying to do? Smile

Many thanks in advance,
-Alex

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Re: Creating Xtext project based on file name not file extension [message #714118 is a reply to message #714117]

Tue, 09 August 2011 20:40

Alex Ruiz

Messages: 103
Registered: March 2011

Senior Member

Sorry I meant that it is easy to associate an editor to a file type using file names instead of file extensions. But I haven't found a way to make resource factories work the same way.

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Re: Creating Xtext project based on file name not file extension [message #714153 is a reply to message #714118]

Tue, 09 August 2011 22:29

Sebastian Zarnekow

Messages: 3118
Registered: July 2009

Senior Member

Hi Alex,

you may want to register a org.eclipse.emf.ecore.resource.ContentHandler
for your sort of URI and provide the resource factory for a special
content type that is returned by your content handler. I think this
could work.

Regards,
Sebastian
--
Need professional support for Eclipse Modeling?
Go visit: http://xtext.itemis.com

On 09.08.11 22:40, Alex Ruiz wrote:
> Sorry I meant that it is easy to associate an editor to a file type
> using file names instead of file extensions. But I haven't found a way
> to make resource factories work the same way.

Report message to a moderator

Re: Creating Xtext project based on file name not file extension [message #714553 is a reply to message #714153]

Wed, 10 August 2011 20:26

Alex Ruiz

Messages: 103
Registered: March 2011

Senior Member

Thanks Sebastian. I'm trying that now. Not done yet but I can already see the light at the end of the tunnel.

I'm thinking about blogging about it.

Cheers,
-Alex

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