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[RENAMED to :lumis] Syntax highlighter powered by Tree-sitter and Neovim themes.

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autumn native inkjet_nif src lib.rs
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native/inkjet_nif/src/lib.rs 

mod inline_html;

mod themes;

use inkjet::{Highlighter, Language};

use rustler::{Atom, Error};



rustler::atoms! {

    ok,

    error,

}



#[rustler::nif]

fn highlight(

    lang: &str,

    source: &str,

    theme: &str,

    pre_class: &str,

) -> Result<(Atom, String), Error> {

    let language = match Language::from_token(lang) {

        Some(language) => language,

        None => return Err(Error::Term(Box::new("invalid lang"))),

    };



    let theme = match themes::theme(theme) {

        Some(theme) => theme,

        None => return Err(Error::Term(Box::new("invalid theme"))),

    };



    let mut highlighter = Highlighter::new();

    let inline_html = inline_html::InlineHTML::new(lang, theme, pre_class);



    match highlighter.highlight_to_string(language, &inline_html, source) {

        Ok(rendered) => Ok((ok(), rendered)),

        Err(_err) => Err(Error::Term(Box::new("failed to highlight source code"))),

    }

}



rustler::init!("Elixir.Autumn.Native", [highlight]);