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Diffstat (limited to 'csharp/src/ProtoGen/ServiceInterfaceGenerator.cs')
| -rw-r--r-- | csharp/src/ProtoGen/ServiceInterfaceGenerator.cs | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/csharp/src/ProtoGen/ServiceInterfaceGenerator.cs b/csharp/src/ProtoGen/ServiceInterfaceGenerator.cs new file mode 100644 index 00000000..11e3d3d0 --- /dev/null +++ b/csharp/src/ProtoGen/ServiceInterfaceGenerator.cs @@ -0,0 +1,300 @@ +#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
+{
+ internal class ServiceGenerator : SourceGeneratorBase<ServiceDescriptor>, ISourceGenerator
+ {
+ private readonly CSharpServiceType svcType;
+ private ISourceGenerator _generator;
+
+ internal ServiceGenerator(ServiceDescriptor descriptor)
+ : base(descriptor)
+ {
+ svcType = descriptor.File.CSharpOptions.ServiceGeneratorType;
+ switch (svcType)
+ {
+ case CSharpServiceType.NONE:
+ _generator = new NoServicesGenerator(descriptor);
+ break;
+ case CSharpServiceType.GENERIC:
+ _generator = new GenericServiceGenerator(descriptor);
+ break;
+ case CSharpServiceType.INTERFACE:
+ _generator = new ServiceInterfaceGenerator(descriptor);
+ break;
+ case CSharpServiceType.IRPCDISPATCH:
+ _generator = new RpcServiceGenerator(descriptor);
+ break;
+ default:
+ throw new ApplicationException("Unknown ServiceGeneratorType = " + svcType.ToString());
+ }
+ }
+
+ public void Generate(TextGenerator writer)
+ {
+ _generator.Generate(writer);
+ }
+
+ private class NoServicesGenerator : SourceGeneratorBase<ServiceDescriptor>, ISourceGenerator
+ {
+ public NoServicesGenerator(ServiceDescriptor descriptor)
+ : base(descriptor)
+ {
+ }
+
+ public virtual void Generate(TextGenerator writer)
+ {
+ writer.WriteLine("/*");
+ writer.WriteLine("* Service generation is now disabled by default, use the following option to enable:");
+ writer.WriteLine("* option (google.protobuf.csharp_file_options).service_generator_type = GENERIC;");
+ writer.WriteLine("*/");
+ }
+ }
+
+ private class ServiceInterfaceGenerator : SourceGeneratorBase<ServiceDescriptor>, ISourceGenerator
+ {
+ public ServiceInterfaceGenerator(ServiceDescriptor descriptor)
+ : base(descriptor)
+ {
+ }
+
+ public virtual void Generate(TextGenerator writer)
+ {
+ CSharpServiceOptions options = Descriptor.Options.GetExtension(CSharpOptions.CsharpServiceOptions);
+ if (options != null && options.HasInterfaceId)
+ {
+ writer.WriteLine("[global::System.Runtime.InteropServices.GuidAttribute(\"{0}\")]",
+ new Guid(options.InterfaceId));
+ }
+ WriteGeneratedCodeAttributes(writer);
+ writer.WriteLine("{0} partial interface I{1} {{", ClassAccessLevel, Descriptor.Name);
+ writer.Indent();
+
+ foreach (MethodDescriptor method in Descriptor.Methods)
+ {
+ CSharpMethodOptions mth = method.Options.GetExtension(CSharpOptions.CsharpMethodOptions);
+ if (mth.HasDispatchId)
+ {
+ writer.WriteLine("[global::System.Runtime.InteropServices.DispId({0})]", mth.DispatchId);
+ }
+ writer.WriteLine("{0} {1}({2} {3});", GetClassName(method.OutputType),
+ NameHelpers.UnderscoresToPascalCase(method.Name), GetClassName(method.InputType),
+ NameHelpers.UnderscoresToCamelCase(method.InputType.Name));
+ }
+
+ writer.Outdent();
+ writer.WriteLine("}");
+ }
+ }
+
+ private class RpcServiceGenerator : ServiceInterfaceGenerator
+ {
+ public RpcServiceGenerator(ServiceDescriptor descriptor)
+ : base(descriptor)
+ {
+ }
+
+ public override void Generate(TextGenerator writer)
+ {
+ base.Generate(writer);
+
+ writer.WriteLine();
+
+ // CLIENT Proxy
+ {
+ if (Descriptor.File.CSharpOptions.ClsCompliance)
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+ writer.WriteLine("[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]");
+ WriteGeneratedCodeAttributes(writer);
+ writer.WriteLine("{0} partial class {1} : I{1}, pb::IRpcDispatch, global::System.IDisposable {{",
+ ClassAccessLevel, Descriptor.Name);
+ writer.Indent();
+ writer.WriteLine("private readonly bool dispose;");
+ writer.WriteLine("private readonly pb::IRpcDispatch dispatch;");
+
+ writer.WriteLine("public {0}(pb::IRpcDispatch dispatch) : this(dispatch, true) {{", Descriptor.Name);
+ writer.WriteLine("}");
+ writer.WriteLine("public {0}(pb::IRpcDispatch dispatch, bool dispose) {{", Descriptor.Name);
+ writer.WriteLine(" pb::ThrowHelper.ThrowIfNull(this.dispatch = dispatch, \"dispatch\");");
+ writer.WriteLine(" this.dispose = dispose && dispatch is global::System.IDisposable;");
+ writer.WriteLine("}");
+ writer.WriteLine();
+
+ writer.WriteLine("public void Dispose() {");
+ writer.WriteLine(" if (dispose) ((global::System.IDisposable)dispatch).Dispose();");
+ writer.WriteLine("}");
+ writer.WriteLine();
+ writer.WriteLine(
+ "TMessage pb::IRpcDispatch.CallMethod<TMessage, TBuilder>(string method, pb::IMessageLite request, pb::IBuilderLite<TMessage, TBuilder> response) {");
+ writer.WriteLine(" return dispatch.CallMethod(method, request, response);");
+ writer.WriteLine("}");
+ writer.WriteLine();
+
+ foreach (MethodDescriptor method in Descriptor.Methods)
+ {
+ writer.WriteLine("public {0} {1}({2} {3}) {{", GetClassName(method.OutputType),
+ NameHelpers.UnderscoresToPascalCase(method.Name),
+ GetClassName(method.InputType),
+ NameHelpers.UnderscoresToCamelCase(method.InputType.Name));
+ writer.WriteLine(" return dispatch.CallMethod(\"{0}\", {1}, {2}.CreateBuilder());",
+ method.Name,
+ NameHelpers.UnderscoresToCamelCase(method.InputType.Name),
+ GetClassName(method.OutputType)
+ );
+ writer.WriteLine("}");
+ writer.WriteLine();
+ }
+ }
+ // SERVER - DISPATCH
+ {
+ if (Descriptor.File.CSharpOptions.ClsCompliance)
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+ writer.WriteLine("[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]");
+ WriteGeneratedCodeAttributes(writer);
+ writer.WriteLine("public partial class Dispatch : pb::IRpcDispatch, global::System.IDisposable {");
+ writer.Indent();
+ writer.WriteLine("private readonly bool dispose;");
+ writer.WriteLine("private readonly I{0} implementation;", Descriptor.Name);
+
+ writer.WriteLine("public Dispatch(I{0} implementation) : this(implementation, true) {{",
+ Descriptor.Name);
+ writer.WriteLine("}");
+ writer.WriteLine("public Dispatch(I{0} implementation, bool dispose) {{", Descriptor.Name);
+ writer.WriteLine(" pb::ThrowHelper.ThrowIfNull(this.implementation = implementation, \"implementation\");");
+ writer.WriteLine(" this.dispose = dispose && implementation is global::System.IDisposable;");
+ writer.WriteLine("}");
+ writer.WriteLine();
+
+ writer.WriteLine("public void Dispose() {");
+ writer.WriteLine(" if (dispose) ((global::System.IDisposable)implementation).Dispose();");
+ writer.WriteLine("}");
+ writer.WriteLine();
+
+ writer.WriteLine(
+ "public TMessage CallMethod<TMessage, TBuilder>(string methodName, pb::IMessageLite request, pb::IBuilderLite<TMessage, TBuilder> response)");
+ writer.WriteLine(" where TMessage : pb::IMessageLite<TMessage, TBuilder>");
+ writer.WriteLine(" where TBuilder : pb::IBuilderLite<TMessage, TBuilder> {");
+ writer.Indent();
+ writer.WriteLine("switch(methodName) {");
+ writer.Indent();
+
+ foreach (MethodDescriptor method in Descriptor.Methods)
+ {
+ writer.WriteLine(
+ "case \"{0}\": return response.MergeFrom(implementation.{1}(({2})request)).Build();",
+ method.Name, NameHelpers.UnderscoresToPascalCase(method.Name),
+ GetClassName(method.InputType));
+ }
+ writer.WriteLine("default: throw pb::ThrowHelper.CreateMissingMethod(typeof(I{0}), methodName);", Descriptor.Name);
+ writer.Outdent();
+ writer.WriteLine("}"); //end switch
+ writer.Outdent();
+ writer.WriteLine("}"); //end invoke
+ writer.Outdent();
+ writer.WriteLine("}"); //end server
+ }
+ // SERVER - STUB
+ {
+ if (Descriptor.File.CSharpOptions.ClsCompliance)
+ {
+ writer.WriteLine("[global::System.CLSCompliant(false)]");
+ }
+ writer.WriteLine("[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]");
+ WriteGeneratedCodeAttributes(writer);
+ writer.WriteLine(
+ "public partial class ServerStub : pb::IRpcServerStub, global::System.IDisposable {");
+ writer.Indent();
+ writer.WriteLine("private readonly bool dispose;");
+ writer.WriteLine("private readonly pb::IRpcDispatch implementation;", Descriptor.Name);
+
+ writer.WriteLine("public ServerStub(I{0} implementation) : this(implementation, true) {{",
+ Descriptor.Name);
+ writer.WriteLine("}");
+ writer.WriteLine(
+ "public ServerStub(I{0} implementation, bool dispose) : this(new Dispatch(implementation, dispose), dispose) {{",
+ Descriptor.Name);
+ writer.WriteLine("}");
+
+ writer.WriteLine("public ServerStub(pb::IRpcDispatch implementation) : this(implementation, true) {");
+ writer.WriteLine("}");
+ writer.WriteLine("public ServerStub(pb::IRpcDispatch implementation, bool dispose) {");
+ writer.WriteLine(" pb::ThrowHelper.ThrowIfNull(this.implementation = implementation, \"implementation\");");
+ writer.WriteLine(" this.dispose = dispose && implementation is global::System.IDisposable;");
+ writer.WriteLine("}");
+ writer.WriteLine();
+
+ writer.WriteLine("public void Dispose() {");
+ writer.WriteLine(" if (dispose) ((global::System.IDisposable)implementation).Dispose();");
+ writer.WriteLine("}");
+ writer.WriteLine();
+
+ writer.WriteLine(
+ "public pb::IMessageLite CallMethod(string methodName, pb::ICodedInputStream input, pb::ExtensionRegistry registry) {{",
+ Descriptor.Name);
+ writer.Indent();
+ writer.WriteLine("switch(methodName) {");
+ writer.Indent();
+
+ foreach (MethodDescriptor method in Descriptor.Methods)
+ {
+ writer.WriteLine(
+ "case \"{0}\": return implementation.CallMethod(methodName, {1}.ParseFrom(input, registry), {2}.CreateBuilder());",
+ method.Name, GetClassName(method.InputType), GetClassName(method.OutputType));
+ }
+ writer.WriteLine("default: throw pb::ThrowHelper.CreateMissingMethod(typeof(I{0}), methodName);", Descriptor.Name);
+ writer.Outdent();
+ writer.WriteLine("}"); //end switch
+ writer.Outdent();
+ writer.WriteLine("}"); //end invoke
+ writer.Outdent();
+ writer.WriteLine("}"); //end server
+ }
+
+ writer.Outdent();
+ writer.WriteLine("}");
+ }
+ }
+ }
+}
\ No newline at end of file |