Track Source objects in PackageNames.

lib/src/source_registry.dart

 // Copyright (c) 2012, 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.
 
-import 'package.dart';
 import 'source.dart';
 import 'source/git.dart';
 import 'source/hosted.dart';
 import 'source/path.dart';
 import 'source/unknown.dart';
 
 /// A class that keeps track of [Source]s used for getting packages.
 class SourceRegistry {
   /// The registered sources.
   ///
@@ skipping 23 matching lines @@
   /// The built-in [HostedSource].
   HostedSource get hosted => _sources["hosted"] as HostedSource;
 
   /// The built-in [PathSource].
   PathSource get path => _sources["path"] as PathSource;
 
   SourceRegistry() {
     _default = hosted;
   }
 
-  /// Returns whether [id1] and [id2] refer to the same package, including
-  /// validating that their descriptions are equivalent.
-  bool idsEqual(PackageId id1, PackageId id2) {
-    if (id1 != id2) return false;
-    if (id1 == null && id2 == null) return true;
-    return idDescriptionsEqual(id1, id2);
-  }
-
-  /// Returns whether [id1] and [id2] have the same source and description.
-  ///
-  /// This doesn't check whether the name or versions are equal.
-  bool idDescriptionsEqual(PackageId id1, PackageId id2) {
-    if (id1.source != id2.source) return false;
-    return this[id1.source].descriptionsEqual(id1.description, id2.description);
-  }
-
   /// Sets the default source.
   ///
   /// This takes a string, which must be the name of a registered source.
   void setDefault(String name) {
     if (!_sources.containsKey(name)) {
       throw new StateError('Default source $name is not in the registry');
     }
 
     _default = _sources[name];
   }
@@ skipping 14 matching lines @@
   /// Returns the source named [name].
   ///
   /// Returns an [UnknownSource] if no source with that name has been
   /// registered. If [name] is null, returns the default source.
   Source operator[](String name) {
     if (name == null) return _default;
     if (_sources.containsKey(name)) return _sources[name];
     return new UnknownSource(name);
   }
 }