First cut at new layout

1 files changed, 45 insertions, 0 deletions

diff --git a/src/ProtocolBuffers/Descriptors/IndexedDescriptorBase.cs b/src/ProtocolBuffers/Descriptors/IndexedDescriptorBase.cs
new file mode 100644
index 00000000..d04d40db
--- /dev/null
+++ b/src/ProtocolBuffers/Descriptors/IndexedDescriptorBase.cs
@@ -0,0 +1,45 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.
+// http://code.google.com/p/protobuf/
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+using Google.ProtocolBuffers.DescriptorProtos;
+
+namespace Google.ProtocolBuffers.Descriptors {
+  /// <summary>
+  /// Base class for descriptors which are also indexed. This is all of them other than
+  /// <see cref="FileDescriptor" />.
+  /// </summary>
+  public abstract class IndexedDescriptorBase<TProto, TOptions> : DescriptorBase<TProto, TOptions>
+      where TProto : IMessage<TProto>, IDescriptorProto<TOptions> {
+
+    private readonly int index;
+
+    protected IndexedDescriptorBase(TProto proto, FileDescriptor file, string fullName, int index)
+        : base(proto, file, fullName) {
+      this.index = index;
+    }
+
+    /// <value>
+    /// The index of this descriptor within its parent descriptor. 
+    /// </value>
+    /// <remarks>
+    /// This returns the index of this descriptor within its parent, for
+    /// this descriptor's type. (There can be duplicate values for different
+    /// types, e.g. one enum type with index 0 and one message type with index 0.)
+    /// </remarks>
+    public int Index {
+      get { return index; }
+    }
+  }
+}