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Cloning/Copying Xtext Resource including node model [message #1795612]

Wed, 26 September 2018 04:28

Eclipse User

I am looking for a way to clone the xtext Resource(deep copy).

I could copy the semantics using the EcoreUtil as shown below

void cloneResource (Resource original, Resource clone)
{
Collection<EObject> clonedContents = EcoreUtil.copyAll(original.getContents());
clone.getContents().addAll(clonedContents);
}

I would like to to do something similar for for the NodeModel as well.

Is there any way to do so?. Please help me.

I had a look into EcoreUtil2 as well and did not found anything which could help.

Thanks in advance.

Regards
Panisha

Re: Cloning/Copying Xtext Resource including node model [message #1795613 is a reply to message #1795612]

Wed, 26 September 2018 04:37

Eclipse User

Why not just copy and reparse the file?

Re: Cloning/Copying Xtext Resource including node model [message #1795616 is a reply to message #1795613]

Wed, 26 September 2018 04:52

Eclipse User

Hello Thomas,

Thanks for the reply.

I do not wanted to re-parse the same file.

Is it the only way to clone/copy xtext Resource?

Regards
Panisha

Re: Cloning/Copying Xtext Resource including node model [message #1795634 is a reply to message #1795616]

Wed, 26 September 2018 06:23

Eclipse User

The simplest one, since you don't have to care about the NodeModel. It would be created by the parser. I'm not aware of a way to copy it and never needed to do so.

Re: Cloning/Copying Xtext Resource including node model [message #1795641 is a reply to message #1795634]

Wed, 26 September 2018 07:18

Eclipse User

Hello Tomas,

Thanks for the hint.

Re-parsing the resource again worked for me.. I even tried to copy node model manually..had some difficulty.

May be in the long run, API to copy the node mode only is useful to copy something which is not part of the semantic model from one resource to another.

Regards
Panisha

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