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Split syntax highlighting from print_line into fn

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This simplifies the `print_line` function a little bit while also
providing a way for syntax highlighting to be skipped when it's
not being used (i.e. `--color=never`).
This commit is contained in:
Ethan P. 2024-02-11 22:27:35 -08:00
parent 5a2a20af42
commit c94cf4e14e
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GPG Key ID: 1BA2A0CC7C22B854
1 changed files with 26 additions and 24 deletions
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50
src/printer.rs
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@ -346,6 +346,31 @@ impl<'a> InteractivePrinter<'a> {
self.print_header_component_with_indent(handle, content)
}
fn highlight_regions_for_line<'b>(
&mut self,
line: &'b str,
) -> Result<Vec<(syntect::highlighting::Style, &'b str)>> {
let highlighter_from_set = match self.highlighter_from_set {
Some(ref mut highlighter_from_set) => highlighter_from_set,
_ => return Ok(vec![(EMPTY_SYNTECT_STYLE, line)]),
};
// skip syntax highlighting on long lines
let too_long = line.len() > 1024 * 16;
let for_highlighting: &str = if too_long { "\n" } else { &line };
let mut highlighted_line = highlighter_from_set
.highlighter
.highlight_line(for_highlighting, highlighter_from_set.syntax_set)?;
if too_long {
highlighted_line[0].1 = &line;
}
Ok(highlighted_line)
}
fn preprocess(&self, text: &str, cursor: &mut usize) -> String {
if self.config.tab_width > 0 {
return expand_tabs(text, self.config.tab_width, cursor);
@ -528,30 +553,7 @@ impl<'a> Printer for InteractivePrinter<'a> {
}
};
let regions = {
let highlighter_from_set = match self.highlighter_from_set {
Some(ref mut highlighter_from_set) => highlighter_from_set,
_ => {
return Ok(());
}
};
// skip syntax highlighting on long lines
let too_long = line.len() > 1024 * 16;
let for_highlighting: &str = if too_long { "\n" } else { &line };
let mut highlighted_line = highlighter_from_set
.highlighter
.highlight_line(for_highlighting, highlighter_from_set.syntax_set)?;
if too_long {
highlighted_line[0].1 = &line;
}
highlighted_line
};
let regions = self.highlight_regions_for_line(&line)?;
if out_of_range {
return Ok(());
}