Method run

crates/csskit/src/commands/extract.rs:181–255

Run the command: loop files, parse, extract, render.

(&self, config: GlobalConfig)

	/// Run the command: loop files, parse, extract, render.
	fn run(&self, config: GlobalConfig) -> CliResult {
		let bump = Bump::default();
		let mut envelopes: Vec<FileEnvelope<Self::Row>> = Vec::new();
		let mut first_file = true;

		for (filename, mut source) in self.input().sources()? {
			let mut src = String::new();
			if let Err(e) = source.read_to_string(&mut src) {
				match self.format() {
					OutputFormat::Json => {
						envelopes.push(FileEnvelope::err(
							filename,
							ErrorRecord { kind: ErrorKind::Io, message: e.to_string() },
						));
					}
					OutputFormat::Text => {
						eprintln!("{filename}: {e}");
					}
				}
				continue;
			}

			let mut ctx = Self::FileContext::default();
			let mut on_stylesheet = |ss: &StyleSheet| {
				if matches!(self.format(), OutputFormat::Text) {
					ctx = self.build_context(ss, &src);
				}
			};

			match self.parse_and_extract_file(filename, &src, &bump, &mut on_stylesheet) {
				Ok(rows) => match self.format() {
					OutputFormat::Text => {
						if rows.is_empty() {
							self.on_no_results(filename);
						} else {
							if !first_file {
								println!();
							}
							first_file = false;
							if self.show_file_header() {
								if config.colors() {
									println!("{}", crate::magenta(filename));
								} else {
									println!("{}", filename);
								}
							}
							self.render_file_preamble(filename, rows.len(), config.colors());
							for (span, row) in &rows {
								self.render_text(&ctx, filename, &src, *span, row, config.colors());
							}
						}
					}
					OutputFormat::Json => {
						let records = rows
							.into_iter()
							.map(|(span, data)| Record { location: Location::from_span(span, &src), data })
							.collect();
						envelopes.push(FileEnvelope::ok(filename, records));