Reformat

pkg/analyzer/lib/file_system/file_system.dart

 // Copyright (c) 2014, 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 file_system;
 
 import 'dart:async';
 
 import 'package:analyzer/src/generated/source.dart';
 import 'package:path/path.dart';
 import 'package:watcher/watcher.dart';
 
-
 /**
  * [File]s are leaf [Resource]s which contain data.
  */
 abstract class File extends Resource {
   /**
    * Return the last-modified stamp of the file.
    * Throws [FileSystemException] if the file does not exist.
    */
   int get modificationStamp;
 
   /**
    * Create a new [Source] instance that serves this file.
    */
   Source createSource([Uri uri]);
 }
 
-
 /**
  * Base class for all file system exceptions.
  */
 class FileSystemException implements Exception {
   final String path;
   final String message;
 
   FileSystemException(this.path, this.message);
 
   String toString() => 'FileSystemException(path=$path; message=$message)';
 }
 
-
 /**
  * [Folder]s are [Resource]s which may contain files and/or other folders.
  */
 abstract class Folder extends Resource {
   /**
    * Watch for changes to the files inside this folder (and in any nested
    * folders, including folders reachable via links).
    */
   Stream<WatchEvent> get changes;
 
@@ skipping 26 matching lines @@
 
   /**
    * Return a [Folder] representing a child [Resource] with the given
    * [relPath].  This call does not check whether a folder with the given name
    * exists on the filesystem--client must call the [Folder]'s `exists` getter
    * to determine whether the folder actually exists.
    */
   Folder getChildAssumingFolder(String relPath);
 }
 
-
 /**
  * The abstract class [Resource] is an abstraction of file or folder.
  */
 abstract class Resource {
   /**
    * Return `true` if this resource exists.
    */
   bool get exists;
 
   /**
@@ skipping 13 matching lines @@
    */
   String get shortName;
 
   /**
    * Return `true` if absolute [path] references this resource or a resource in
    * this folder.
    */
   bool isOrContains(String path);
 }
 
-
 /**
  * Instances of the class [ResourceProvider] convert [String] paths into
  * [Resource]s.
  */
 abstract class ResourceProvider {
   /**
    * Get the path context used by this resource provider.
    */
   Context get pathContext;
 
   /**
    * Return the [Resource] that corresponds to the given [path].
    */
   Resource getResource(String path);
 
   /**
    * Return the folder in which the plugin with the given [pluginId] can store
    * state that will persist across sessions. The folder returned for a given id
    * will not be returned for a different id, ensuring that plugins do not need
    * to be concerned with file name collisions with other plugins, assuming that
    * the plugin ids are unique. The plugin ids must be valid folder names.
    */
   Folder getStateLocation(String pluginId);
 }
 
-
 /**
  * A [UriResolver] for [Resource]s.
  */
 class ResourceUriResolver extends UriResolver {
   /**
    * The name of the `file` scheme.
    */
   static String _FILE_SCHEME = "file";
 
   final ResourceProvider _provider;
@@ skipping 17 matching lines @@
   Uri restoreAbsolute(Source source) => source.uri;
 
   /**
    * Return `true` if the given URI is a `file` URI.
    *
    * @param uri the URI being tested
    * @return `true` if the given URI is a `file` URI
    */
   static bool _isFileUri(Uri uri) => uri.scheme == _FILE_SCHEME;
 }