1 files changed, 78 insertions, 0 deletions
diff --git a/csharp/src/ProtocolBuffers/Descriptors/OneofDescriptor.cs b/csharp/src/ProtocolBuffers/Descriptors/OneofDescriptor.cs
new file mode 100644
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--- /dev/null
+++ b/csharp/src/ProtocolBuffers/Descriptors/OneofDescriptor.cs
@@ -0,0 +1,78 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2015 Google Inc.  All rights reserved.
+// Author: jieluo@google.com (Jie Luo)
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using Google.ProtocolBuffers.DescriptorProtos;
+
+namespace Google.ProtocolBuffers.Descriptors
+{
+    public sealed class OneofDescriptor
+    {
+        private int index;
+        private OneofDescriptorProto proto;
+        private FileDescriptor file;
+        private MessageDescriptor containingType;
+        internal int fieldCount;
+        internal IList<FieldDescriptor> fields;
+
+        internal OneofDescriptor(OneofDescriptorProto proto, FileDescriptor file,
+                                 MessageDescriptor parent, int index)
+        {
+            this.proto = proto;
+            this.file = file;
+            this.index = index;
+
+            containingType = parent;
+            fieldCount = 0;
+        }
+
+        public int Index
+        {
+            get { return index; }
+        }
+
+        public MessageDescriptor ContainingType
+        {
+            get { return containingType; }
+        }
+
+        public int FieldCount
+        {
+            get { return fieldCount; }
+        }
+
+        public FieldDescriptor Field(int index)
+        {
+            return fields[index];
+        }
+    }
+}