23 lines
No EOL
891 B
Rust
23 lines
No EOL
891 B
Rust
extern crate syntect;
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use syntect::parsing::SyntaxSet;
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use syntect::highlighting::ThemeSet;
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use syntect::easy::HighlightLines;
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use syntect::html::{styled_line_to_highlighted_html, IncludeBackground};
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/// Takes the content of a paste and the extension passed in by the viewer and will return the content
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/// highlighted in the appropriate format in HTML.
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///
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/// Returns `None` if the extension isn't supported.
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pub fn highlight(content: &str, ext: &str) -> Option<String> {
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lazy_static! {
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static ref SS: SyntaxSet = SyntaxSet::load_defaults_newlines();
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static ref TS: ThemeSet = ThemeSet::load_defaults();
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}
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let syntax = SS.find_syntax_by_extension(ext)?;
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let mut h = HighlightLines::new(syntax, &TS.themes["base16-ocean.dark"]);
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let regions = h.highlight(content, &SS);
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Some(styled_line_to_highlighted_html(®ions[..], IncludeBackground::No))
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} |