Method run

crates/csskit/src/commands/fmt.rs:35–83

(&self, config: GlobalConfig)

impl Fmt {
	pub fn run(&self, config: GlobalConfig) -> CliResult {
		let Fmt { content, output, check, expand_tab, single_quotes } = self;
		let color = config.colors() && output.is_none() && !*check;
		let bump = Bump::default();
		let start = std::time::Instant::now();
		let quotes = if *single_quotes { QuoteStyle::Single } else { QuoteStyle::Double };
		if *check && output.is_some() {
			eprintln!("Ignoring output option, because check was passed");
		}
		let mut checks = 0;
		for (file_name, mut source) in content.sources()? {
			let mut source_string = String::new();
			source.read_to_string(&mut source_string)?;
			let source_text = source_string.as_str();
			let lexer = Lexer::new(&CssAtomSet::ATOMS, source_text);
			let mut parser = Parser::new(&bump, source_text, lexer);
			let result = parser.parse_entirely::<StyleSheet>();
			if let Some(stylesheet) = result.output.as_ref() {
				let mut str = String::new();
				if color {
					let mut highlighter = TokenHighlighter::new();
					let _ = stylesheet.accept(&mut highlighter);
					let ansi = AnsiHighlightCursorStream::new(&mut str, &highlighter, DefaultAnsiTheme);
					let mut stream = CursorPrettyWriteSink::new(source_text, ansi, *expand_tab, quotes);
					result.to_cursors(&mut stream);
				} else {
					let mut stream = CursorPrettyWriteSink::new(source_text, &mut str, *expand_tab, quotes);
					result.to_cursors(&mut stream);
				}
				if *check {
					if str != source_text {
						println!("{str}");
						checks += 1;
					}
				} else if let Some(file) = output {
					std::fs::write(file, str.as_bytes())?;
				} else {
					println!("{str}");
				}
			} else {
				for compact_err in result.errors {
					let report = crate::commands::format_diagnostic_error(&compact_err, &source_string, file_name);
					println!("{report}");
				}
			}
		}
		eprintln!("Slurped up CSS in {:?}! Neat!", start.elapsed());
		if checks > 0 { Err(CliError::Checks(checks))? } else { Ok(()) }
	}
}