Method append

crates/csskit_highlight/src/ansi_highlight_cursor_stream.rs:28–82

(&mut self, c: SourceCursor<'a>)

impl<'a, 'h, W: Write, T: AnsiTheme> SourceCursorSink<'a> for AnsiHighlightCursorStream<'h, W, T> {
	fn append(&mut self, c: SourceCursor<'a>) {
		if self.err.is_err() {
			return;
		}
		if let Some(last) = self.last_token
			&& last.needs_separator_for(c.token())
		{
			self.err = self.writer.write_char(' ');
		}
		self.last_token = Some(c.token());
		if let Some(highlight) = self.highlighter.get(c.to_span()) {
			if let SemanticDecoration::BackgroundColor(bg) = highlight.decoration() {
				let fg = if bg.wcag_contrast_ratio(Named::White) > bg.wcag_contrast_ratio(Named::Black) {
					Named::White
				} else {
					Named::Black
				};
				#[cfg(feature = "anstyle")]
				{
					let style = Style::new().bg_color(Some(bg.into())).fg_color(Some(fg.into()));
					self.err = write!(&mut self.writer, "{style}{c}{style:#}");
				}
				#[cfg(feature = "owo-colors")]
				#[cfg(not(feature = "anstyle"))]
				{
					use chromashift::Srgb;
					let bg_srgb: Srgb = bg.into();
					let fg_srgb: Srgb = fg.into();
					self.err = write!(
						&mut self.writer,
						"{}",
						c.to_string().truecolor(fg_srgb.red, fg_srgb.green, fg_srgb.blue).on_truecolor(
							bg_srgb.red,
							bg_srgb.green,
							bg_srgb.blue
						)
					);
				}
			} else {
				#[cfg(feature = "anstyle")]
				{
					let style = self.theme.get_anstyle(highlight.kind(), highlight.modifier());
					self.err = write!(&mut self.writer, "{style}{c}{style:#}");
				}
				#[cfg(feature = "owo-colors")]
				#[cfg(not(feature = "anstyle"))]
				{
					let style = self.theme.get_owo_style(highlight.kind(), highlight.modifier());
					self.err = write!(&mut self.writer, "{}", style.style(c.to_string()));
				}
			}
		} else {
			self.err = write!(&mut self.writer, "{c}");
		}
	}
}