Visual disambiguation of code cells using different programming languages #12127
Replies: 2 comments 4 replies
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For reference: (I was planning to package a fancier version this filter as an extension) function CodeBlock(code)
local lang = code.attr.classes[1]
if lang == "cell-code" then
_, _, matchedLang = string.find(code.text, "^`+%{%{([^%}]*)%}%}")
lang = matchedLang or lang
elseif lang ~= nil and lang:find('{{', 1, true) == 1 then
_, _, matchedLang = string.find(lang, "{{+(.-)}}+")
if matchedLang then
lang = matchedLang
end
end
return quarto.DecoratedCodeBlock({
filename = lang,
code_block = code:clone()
})
end
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I see, thanks, that's already useful. It would still be good though to have a basic version in quarto itself, no? Given that cross-language ability is one of the central reasons why it was written (maybe not within docs, but still) |
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I agree, but extension is a good way to make this happen by allowing maturation and to gauge interest by the community. For instance, the above filter could be extended to use the same logic not necessarily using the "filename" internal filter to handle all formats. |
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FYI: |
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FYI, @andrewheiss just released an extension for this. |
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It's unfortunately HTML-only for now because it uses CSS to show the language name instead of borrowing the filename element like https://github.com/mcanouil/quarto-language-cell-decorator, but it has some cool features like customizing the language text + enabling/disabling at either a document-level or on a cell-by-cell basis |
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Description
QuartoNotebookRunner.jl has just gained the ability to execute python code cells through PythonCall.jl in addition to the existing ability to do the same for R via RCall.jl. This makes it more attractive to use the native julia backend to compose documents that compare implementations in these three languages.
As far as I know, quarto has no inbuilt option to mark code blocks with their language somehow, which makes it quite confusing to read these. I have written a small CSS snippet which can add a visual marker to code cells, but it seems like this should probably be something that quarto ships itself, with good support for light/dark mode and other output formats.
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