| // 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 pub.validator.utf8_readme; |
| |
| import 'dart:async'; |
| import 'dart:utf'; |
| |
| import '../entrypoint.dart'; |
| import '../io.dart'; |
| import '../validator.dart'; |
| |
| /// Validates that a package's README is valid utf-8. |
| class Utf8ReadmeValidator extends Validator { |
| Utf8ReadmeValidator(Entrypoint entrypoint) |
| : super(entrypoint); |
| |
| Future validate() { |
| return new Future.sync(() { |
| var readme = entrypoint.root.readmePath; |
| if (readme == null) return; |
| var bytes = readBinaryFile(readme); |
| try { |
| // The second and third arguments here are the default values. The |
| // fourth tells [decodeUtf8] to throw an ArgumentError if `bytes` isn't |
| // valid utf-8. |
| decodeUtf8(bytes, 0, null, null); |
| } on ArgumentError catch (_) { |
| warnings.add("$readme contains invalid UTF-8.\n" |
| "This will cause it to be displayed incorrectly on " |
| "pub.dartlang.org."); |
| } |
| }); |
| } |
| } |
| |