| Index: mojo/public/dart/third_party/csslib/lib/css.dart
|
| diff --git a/mojo/public/dart/third_party/csslib/lib/css.dart b/mojo/public/dart/third_party/csslib/lib/css.dart
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..590e8351c3130553368462f5a48a4938e8026fc2
|
| --- /dev/null
|
| +++ b/mojo/public/dart/third_party/csslib/lib/css.dart
|
| @@ -0,0 +1,83 @@
|
| +// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
|
| +// for details. All rights reserved. Use of this source code is governed by a
|
| +// BSD-style license that can be found in the LICENSE file.
|
| +
|
| +library css;
|
| +
|
| +import 'dart:io';
|
| +
|
| +import 'package:path/path.dart' as path;
|
| +import 'package:source_span/source_span.dart';
|
| +
|
| +import 'parser.dart';
|
| +import 'visitor.dart';
|
| +import 'src/messages.dart';
|
| +import 'src/options.dart';
|
| +
|
| +void main(List<String> arguments) {
|
| + // TODO(jmesserly): fix this to return a proper exit code
|
| + var options = PreprocessorOptions.parse(arguments);
|
| + if (options == null) return;
|
| +
|
| + messages = new Messages(options: options);
|
| +
|
| + _time('Total time spent on ${options.inputFile}', () {
|
| + _compile(options.inputFile, options.verbose);
|
| + }, true);
|
| +}
|
| +
|
| +void _compile(String inputPath, bool verbose) {
|
| + var ext = path.extension(inputPath);
|
| + if (ext != '.css' && ext != '.scss') {
|
| + messages.error("Please provide a CSS/Sass file", null);
|
| + return;
|
| + }
|
| + try {
|
| + // Read the file.
|
| + var filename = path.basename(inputPath);
|
| + var contents = new File(inputPath).readAsStringSync();
|
| + var file = new SourceFile(contents, url: path.toUri(inputPath));
|
| +
|
| + // Parse the CSS.
|
| + var tree = _time(
|
| + 'Parse $filename', () => new Parser(file, contents).parse(), verbose);
|
| +
|
| + _time('Analyzer $filename', () => new Analyzer([tree], messages), verbose)
|
| + .run();
|
| +
|
| + // Emit the processed CSS.
|
| + var emitter = new CssPrinter();
|
| + _time('Codegen $filename', () => emitter.visitTree(tree, pretty: true),
|
| + verbose);
|
| +
|
| + // Write the contents to a file.
|
| + var outPath = path.join(path.dirname(inputPath), '_$filename');
|
| + new File(outPath).writeAsStringSync(emitter.toString());
|
| + } catch (e) {
|
| + messages.error('error processing $inputPath. Original message:\n $e', null);
|
| + }
|
| +}
|
| +
|
| +_time(String message, callback(), bool printTime) {
|
| + if (!printTime) return callback();
|
| + final watch = new Stopwatch();
|
| + watch.start();
|
| + var result = callback();
|
| + watch.stop();
|
| + final duration = watch.elapsedMilliseconds;
|
| + _printMessage(message, duration);
|
| + return result;
|
| +}
|
| +
|
| +void _printMessage(String message, int duration) {
|
| + var buf = new StringBuffer();
|
| + buf.write(message);
|
| + for (int i = message.length; i < 60; i++) buf.write(' ');
|
| + buf.write(' -- ');
|
| + if (duration < 10) buf.write(' ');
|
| + if (duration < 100) buf.write(' ');
|
| + buf
|
| + ..write(duration)
|
| + ..write(' ms');
|
| + print(buf.toString());
|
| +}
|
|
|