[Qute] Add language support for qute

[maxandersen]

Would be great if we could add support for qute template language https://github.com/quarkusio/quarkus/blob/master/docs/src/main/asciidoc/qute-reference.adoc

Mvp would be syntax highlighting similar to how other template languages syntax highlighting works.

Nice to have feature would be LSP support by understanding the inject and parameter declarations and then provide content assist.

Looking into having a preview feature that would use a data yaml for it's rendering would be great. I.e. if you have a mytemplate.qt file then mytemplate.qt.yaml could be used by default to make it super trivial.

[fbricon]

@maxandersen do you know if anyone worked on a Textmate grammar for qute already?

[fbricon]

If no textmate grammar is available, then we should start with an existing grammar close to qute, as to minimize our efforts

[angelozerr]

Nice to have feature would be LSP support by understanding the inject and parameter declarations and then provide content assist.

I love this challenge, but it's an hard and long issue (developping a tolerant qute parser, etc).

Why Quarkus doesn't use Freemarker or Velocity library? Do you know if there are a lot of users who use this qute framework, since today website are done more on client side than server side?

[maxandersen]

@maxandersen do you know if anyone worked on a Textmate grammar for qute already?

There isn't one afaik. It's very similar to other similar template languages so should be possible to start with one and adjust.

[fbricon]

Looks like, by default qute templates have the .html extension, so, assuming we come up with a grammar template, users would need to manually select the file type when opening those files.

[maxandersen]

Why Quarkus doesn't use Freemarker or Velocity library? Do you know if there are a lot of users who use this qute framework,

Because velocity and freemarker relies on reflection and thus won't work well in native mode.

Furthermore qute is reactive plus have optional type checking meaning it can scale better and we can have build time syntax and type checks.

There was no other alternative that did all these hence QUarkus TEmplates created.

since today website are done more on client side than server side?

Templates are not only for website Uis.

Also very useful when generating JSON, XML, markdown, asciidoc, emails, etc.

[maxandersen]

Not really the default just that the syntax can easily embed. We can definitely push for suggesting users to add .qute :)

On Mon, 23 Dec 2019 at 16:34, Fred Bricon ***@***.***> wrote: Looks like, by default qute templates have the .html extension, so, assuming we come up with a grammar template, users would need to manually select the file type when opening thoses files. — You are receiving this because you were mentioned. Reply to this email directly, view it on GitHub <#178?email_source=notifications&email_token=AAANG4IWW4RY3XTDEWCSEGLQ2DLBDA5CNFSM4J6HH3YKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEHRLLRY#issuecomment-568505799>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAANG4JF6377RFOW36TO3NTQ2DLBDANCNFSM4J6HH3YA> .

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[fbricon]

I meant default as in "per the qute documentation". But we should prolly wait to have a TM grammar before suggesting to use the *.qute extension, else files will really look like shit without

[angelozerr]

Also very useful when generating JSON, XML, markdown, asciidoc, emails, etc.

Thanks a lot @maxandersen for your great explanation!

[maxandersen]

I meant default as in "per the qute documentation". But we should prolly wait to have a TM grammar before suggesting to use the *.qute extension, else files will really look like shit without

Yeah I'm not sure how we actually best handle this in LSPs and grammars as the language is technically simply built into another source language.

Possibly for grammars one could have a generic.qute that simply.ignores everything non-qute and then some combined JSON/qute, Html/qute, etc. Grammars which seem to be what some other temate textmate grammars seem to do.

For content assist does LSPs support multiple ones for a file ?

[angelozerr]

@maxandersen I have some skills about this kind of LSP. Indeed I have started to support Freemarker with LSP in https://github.com/angelozerr/lsp4e-freemarker

The basic idea is to have

• a QuteLanguageServer which manages only qute syntax (interpolation for definition, completion, validation) but doesn't take car of HTML completion, etc
• a qute.tmLanguage which includes html TextMate like https://github.com/angelozerr/lsp4e-freemarker/blob/master/org.eclipse.lsp4e.freemarker/syntaxes/ftl.tmLanguage

You can see a demo in this repository with HTML completion (coming from the HTML Language Server of vscode and Freemarker Language Server for validation).

Perhaps a good idea is to use those file extension:

• *.html.qute (or if it doesn't work .htmlQute)
• *.json.qute (or if it doesn't work .jsonQute)

[angelozerr]

@maxandersen I have created several issues to support Qute:

• Qute syntax coloration -> Add Qute TextMate grammar and language configuration for HTML files #182
• Qute language configuration (matching bracket, etc) ->Add Qute TextMate grammar and language configuration for HTML files #182
• Qute snippets -> [Qute] Add snippets for Qute syntax (expression, if, loop) #184
• Qute validation, completion, definition, hover (for Java model) with a Qute Language Server -> [Qute] Create a Qute Language Server quarkus-ls#176