1 files changed, 106 insertions, 0 deletions
diff --git a/csharp/src/ProtoGen/DescriptorUtil.cs b/csharp/src/ProtoGen/DescriptorUtil.cs
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+++ b/csharp/src/ProtoGen/DescriptorUtil.cs
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+#region Copyright notice and license
+
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc.  All rights reserved.
+// http://github.com/jskeet/dotnet-protobufs/
+// Original C++/Java/Python code:
+// http://code.google.com/p/protobuf/
+//
+// 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.
+
+#endregion
+
+using System;
+using Google.ProtocolBuffers.DescriptorProtos;
+using Google.ProtocolBuffers.Descriptors;
+
+namespace Google.ProtocolBuffers.ProtoGen
+{
+    /// <summary>
+    /// Utility class for determining namespaces etc.
+    /// </summary>
+    internal static class DescriptorUtil
+    {
+        internal static string GetFullUmbrellaClassName(IDescriptor descriptor)
+        {
+            CSharpFileOptions options = descriptor.File.CSharpOptions;
+            string result = options.Namespace;
+            if (result != "")
+            {
+                result += '.';
+            }
+            result += GetQualifiedUmbrellaClassName(options);
+            return "global::" + result;
+        }
+
+        /// <summary>
+        /// Evaluates the options and returns the qualified name of the umbrella class
+        /// relative to the descriptor type's namespace.  Basically concatenates the
+        /// UmbrellaNamespace + UmbrellaClassname fields.
+        /// </summary>
+        internal static string GetQualifiedUmbrellaClassName(CSharpFileOptions options)
+        {
+            string fullName = options.UmbrellaClassname;
+            if (!options.NestClasses && options.UmbrellaNamespace != "")
+            {
+                fullName = String.Format("{0}.{1}", options.UmbrellaNamespace, options.UmbrellaClassname);
+            }
+            return fullName;
+        }
+
+        internal static string GetMappedTypeName(MappedType type)
+        {
+            switch (type)
+            {
+                case MappedType.Int32:
+                    return "int";
+                case MappedType.Int64:
+                    return "long";
+                case MappedType.UInt32:
+                    return "uint";
+                case MappedType.UInt64:
+                    return "ulong";
+                case MappedType.Single:
+                    return "float";
+                case MappedType.Double:
+                    return "double";
+                case MappedType.Boolean:
+                    return "bool";
+                case MappedType.String:
+                    return "string";
+                case MappedType.ByteString:
+                    return "pb::ByteString";
+                case MappedType.Enum:
+                    return null;
+                case MappedType.Message:
+                    return null;
+                default:
+                    throw new ArgumentOutOfRangeException("Unknown mapped type " + type);
+            }
+        }
+    }
+}
+\ No newline at end of file