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Diffstat (limited to 'csharp/src/ProtoGen/ExtensionGenerator.cs')
| -rw-r--r-- | csharp/src/ProtoGen/ExtensionGenerator.cs | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/csharp/src/ProtoGen/ExtensionGenerator.cs b/csharp/src/ProtoGen/ExtensionGenerator.cs new file mode 100644 index 00000000..a862a7a0 --- /dev/null +++ b/csharp/src/ProtoGen/ExtensionGenerator.cs @@ -0,0 +1,183 @@ +#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.Descriptors;
+
+namespace Google.ProtocolBuffers.ProtoGen
+{
+ internal class ExtensionGenerator : FieldGeneratorBase, ISourceGenerator
+ {
+ private readonly string extends;
+ private readonly string scope;
+ private readonly string type;
+ private readonly string name;
+
+ internal ExtensionGenerator(FieldDescriptor descriptor)
+ : base(descriptor, 0)
+ {
+ if (Descriptor.ExtensionScope != null)
+ {
+ scope = GetClassName(Descriptor.ExtensionScope);
+ }
+ else
+ {
+ scope = DescriptorUtil.GetFullUmbrellaClassName(Descriptor.File);
+ }
+ switch (Descriptor.MappedType)
+ {
+ case MappedType.Message:
+ type = GetClassName(Descriptor.MessageType);
+ break;
+ case MappedType.Enum:
+ type = GetClassName(Descriptor.EnumType);
+ break;
+ default:
+ type = DescriptorUtil.GetMappedTypeName(Descriptor.MappedType);
+ break;
+ }
+ extends = GetClassName(Descriptor.ContainingType);
+ name = Descriptor.CSharpOptions.PropertyName;
+ }
+
+ public void Generate(TextGenerator writer)
+ {
+ if (Descriptor.File.CSharpOptions.ClsCompliance && GetFieldConstantName(Descriptor).StartsWith("_"))
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+
+ writer.WriteLine("public const int {0} = {1};", GetFieldConstantName(Descriptor), Descriptor.FieldNumber);
+
+ if (UseLiteRuntime)
+ {
+ if (Descriptor.MappedType == MappedType.Message && Descriptor.MessageType.Options.MessageSetWireFormat)
+ {
+ throw new ArgumentException(
+ "option message_set_wire_format = true; is not supported in Lite runtime extensions.");
+ }
+ if (!Descriptor.IsCLSCompliant && Descriptor.File.CSharpOptions.ClsCompliance)
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+ writer.WriteLine("{0} static pb::{4}<{1}, {2}> {3};", ClassAccessLevel, extends, type, name,
+ Descriptor.IsRepeated ? "GeneratedRepeatExtensionLite" : "GeneratedExtensionLite");
+ }
+ else if (Descriptor.IsRepeated)
+ {
+ if (!Descriptor.IsCLSCompliant && Descriptor.File.CSharpOptions.ClsCompliance)
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+ writer.WriteLine("{0} static pb::GeneratedExtensionBase<scg::IList<{1}>> {2};", ClassAccessLevel, type,
+ name);
+ }
+ else
+ {
+ if (!Descriptor.IsCLSCompliant && Descriptor.File.CSharpOptions.ClsCompliance)
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+ writer.WriteLine("{0} static pb::GeneratedExtensionBase<{1}> {2};", ClassAccessLevel, type, name);
+ }
+ }
+
+ internal void GenerateStaticVariableInitializers(TextGenerator writer)
+ {
+ if (UseLiteRuntime)
+ {
+ writer.WriteLine("{0}.{1} = ", scope, name);
+ writer.Indent();
+ writer.WriteLine("new pb::{0}<{1}, {2}>(",
+ Descriptor.IsRepeated ? "GeneratedRepeatExtensionLite" : "GeneratedExtensionLite",
+ extends, type);
+ writer.Indent();
+ writer.WriteLine("\"{0}\",", Descriptor.FullName);
+ writer.WriteLine("{0}.DefaultInstance,", extends);
+ if (!Descriptor.IsRepeated)
+ {
+ writer.WriteLine("{0},",
+ Descriptor.HasDefaultValue
+ ? DefaultValue
+ : IsNullableType ? "null" : "default(" + type + ")");
+ }
+ writer.WriteLine("{0},",
+ (Descriptor.MappedType == MappedType.Message) ? type + ".DefaultInstance" : "null");
+ writer.WriteLine("{0},",
+ (Descriptor.MappedType == MappedType.Enum) ? "new EnumLiteMap<" + type + ">()" : "null");
+ writer.WriteLine("{0}.{1}FieldNumber,", scope, name);
+ writer.Write("pbd::FieldType.{0}", Descriptor.FieldType);
+ if (Descriptor.IsRepeated)
+ {
+ writer.WriteLine(",");
+ writer.Write(Descriptor.IsPacked ? "true" : "false");
+ }
+ writer.Outdent();
+ writer.WriteLine(");");
+ writer.Outdent();
+ }
+ else if (Descriptor.IsRepeated)
+ {
+ writer.WriteLine(
+ "{0}.{1} = pb::GeneratedRepeatExtension<{2}>.CreateInstance({0}.Descriptor.Extensions[{3}]);", scope,
+ name, type, Descriptor.Index);
+ }
+ else
+ {
+ writer.WriteLine(
+ "{0}.{1} = pb::GeneratedSingleExtension<{2}>.CreateInstance({0}.Descriptor.Extensions[{3}]);", scope,
+ name, type, Descriptor.Index);
+ }
+ }
+
+ internal void GenerateExtensionRegistrationCode(TextGenerator writer)
+ {
+ writer.WriteLine("registry.Add({0}.{1});", scope, name);
+ }
+
+ public override void WriteHash(TextGenerator writer)
+ {
+ }
+
+ public override void WriteEquals(TextGenerator writer)
+ {
+ }
+
+ public override void WriteToString(TextGenerator writer)
+ {
+ }
+ }
+}
\ No newline at end of file |