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csharptest 13 years ago committed by Grigand
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  1. 587
      src/ProtoGen/UmbrellaClassGenerator.cs

587
src/ProtoGen/UmbrellaClassGenerator.cs
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@ -1,295 +1,294 @@
// Protocol Buffers - Google's data interchange format // Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved. // Copyright 2008 Google Inc. All rights reserved.
// http://github.com/jskeet/dotnet-protobufs/ // http://github.com/jskeet/dotnet-protobufs/
// Original C++/Java/Python code: // Original C++/Java/Python code:
// http://code.google.com/p/protobuf/ // http://code.google.com/p/protobuf/
// //
// Redistribution and use in source and binary forms, with or without // Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are // modification, are permitted provided that the following conditions are
// met: // met:
// //
// * Redistributions of source code must retain the above copyright // * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer. // notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above // * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer // copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the // in the documentation and/or other materials provided with the
// distribution. // distribution.
// * Neither the name of Google Inc. nor the names of its // * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from // contributors may be used to endorse or promote products derived from
// this software without specific prior written permission. // this software without specific prior written permission.
// //
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using System; using System;
using System.Collections; using System.Collections;
using System.Collections.Generic; using System.Collections.Generic;
using Google.ProtocolBuffers.Descriptors; using Google.ProtocolBuffers.Descriptors;
namespace Google.ProtocolBuffers.ProtoGen namespace Google.ProtocolBuffers.ProtoGen
{ {
/// <summary> /// <summary>
/// Generator for the class describing the .proto file in general, /// Generator for the class describing the .proto file in general,
/// containing things like the message descriptor. /// containing things like the message descriptor.
/// </summary> /// </summary>
internal sealed class UmbrellaClassGenerator : SourceGeneratorBase<FileDescriptor>, ISourceGenerator internal sealed class UmbrellaClassGenerator : SourceGeneratorBase<FileDescriptor>, ISourceGenerator
{ {
internal UmbrellaClassGenerator(FileDescriptor descriptor) internal UmbrellaClassGenerator(FileDescriptor descriptor)
: base(descriptor) : base(descriptor)
{ {
} }
// Recursively searches the given message to see if it contains any extensions. // Recursively searches the given message to see if it contains any extensions.
private static bool UsesExtensions(IMessage message) private static bool UsesExtensions(IMessage message)
{ {
// We conservatively assume that unknown fields are extensions. // We conservatively assume that unknown fields are extensions.
if (message.UnknownFields.FieldDictionary.Count > 0) if (message.UnknownFields.FieldDictionary.Count > 0)
{ {
return true; return true;
} }
foreach (KeyValuePair<FieldDescriptor, object> keyValue in message.AllFields) foreach (KeyValuePair<FieldDescriptor, object> keyValue in message.AllFields)
{ {
FieldDescriptor field = keyValue.Key; FieldDescriptor field = keyValue.Key;
if (field.IsExtension) if (field.IsExtension)
{ {
return true; return true;
} }
if (field.MappedType == MappedType.Message) if (field.MappedType == MappedType.Message)
{ {
if (field.IsRepeated) if (field.IsRepeated)
{ {
foreach (IMessage subMessage in (IEnumerable) keyValue.Value) foreach (IMessage subMessage in (IEnumerable) keyValue.Value)
{ {
if (UsesExtensions(subMessage)) if (UsesExtensions(subMessage))
{ {
return true; return true;
} }
} }
} }
else else
{ {
if (UsesExtensions((IMessage) keyValue.Value)) if (UsesExtensions((IMessage) keyValue.Value))
{ {
return true; return true;
} }
} }
} }
} }
return false; return false;
} }
public void Generate(TextGenerator writer) public void Generate(TextGenerator writer)
{ {
WriteIntroduction(writer); WriteIntroduction(writer);
WriteExtensionRegistration(writer); WriteExtensionRegistration(writer);
WriteChildren(writer, "Extensions", Descriptor.Extensions); WriteChildren(writer, "Extensions", Descriptor.Extensions);
writer.WriteLine("#region Static variables"); writer.WriteLine("#region Static variables");
foreach (MessageDescriptor message in Descriptor.MessageTypes) foreach (MessageDescriptor message in Descriptor.MessageTypes)
{ {
new MessageGenerator(message).GenerateStaticVariables(writer); new MessageGenerator(message).GenerateStaticVariables(writer);
} }
writer.WriteLine("#endregion"); writer.WriteLine("#endregion");
if (!UseLiteRuntime) if (!UseLiteRuntime)
{ {
WriteDescriptor(writer); WriteDescriptor(writer);
} }
else else
{ {
WriteLiteExtensions(writer); WriteLiteExtensions(writer);
} }
// The class declaration either gets closed before or after the children are written. // The class declaration either gets closed before or after the children are written.
if (!Descriptor.CSharpOptions.NestClasses) if (!Descriptor.CSharpOptions.NestClasses)
{ {
writer.Outdent(); writer.Outdent();
writer.WriteLine("}"); writer.WriteLine("}");
// Close the namespace around the umbrella class if defined // Close the namespace around the umbrella class if defined
if (!Descriptor.CSharpOptions.NestClasses && Descriptor.CSharpOptions.UmbrellaNamespace != "") if (!Descriptor.CSharpOptions.NestClasses && Descriptor.CSharpOptions.UmbrellaNamespace != "")
{ {
writer.Outdent(); writer.Outdent();
writer.WriteLine("}"); writer.WriteLine("}");
} }
} }
WriteChildren(writer, "Enums", Descriptor.EnumTypes); WriteChildren(writer, "Enums", Descriptor.EnumTypes);
WriteChildren(writer, "Messages", Descriptor.MessageTypes); WriteChildren(writer, "Messages", Descriptor.MessageTypes);
WriteChildren(writer, "Services", Descriptor.Services); WriteChildren(writer, "Services", Descriptor.Services);
if (Descriptor.CSharpOptions.NestClasses) if (Descriptor.CSharpOptions.NestClasses)
{ {
writer.Outdent(); writer.Outdent();
writer.WriteLine("}"); writer.WriteLine("}");
} }
if (Descriptor.CSharpOptions.Namespace != "") if (Descriptor.CSharpOptions.Namespace != "")
{ {
writer.Outdent(); writer.Outdent();
writer.WriteLine("}"); writer.WriteLine("}");
} }
writer.WriteLine(); writer.WriteLine();
writer.WriteLine("#endregion Designer generated code"); writer.WriteLine("#endregion Designer generated code");
} }
private void WriteIntroduction(TextGenerator writer) private void WriteIntroduction(TextGenerator writer)
{ {
//writer.WriteLine("// <auto-generated />"); writer.WriteLine("// Generated by {0}. DO NOT EDIT!", this.GetType().Assembly.FullName);
writer.WriteLine("// Generated by {0}. DO NOT EDIT!", this.GetType().Assembly.FullName); writer.WriteLine("#pragma warning disable 1591");
writer.WriteLine("#pragma warning disable 1591"); writer.WriteLine("#region Designer generated code");
writer.WriteLine("#region Designer generated code");
writer.WriteLine();
writer.WriteLine(); writer.WriteLine("using pb = global::Google.ProtocolBuffers;");
writer.WriteLine("using pb = global::Google.ProtocolBuffers;"); writer.WriteLine("using pbc = global::Google.ProtocolBuffers.Collections;");
writer.WriteLine("using pbc = global::Google.ProtocolBuffers.Collections;"); writer.WriteLine("using pbd = global::Google.ProtocolBuffers.Descriptors;");
writer.WriteLine("using pbd = global::Google.ProtocolBuffers.Descriptors;"); writer.WriteLine("using scg = global::System.Collections.Generic;");
writer.WriteLine("using scg = global::System.Collections.Generic;");
if (Descriptor.CSharpOptions.Namespace != "")
if (Descriptor.CSharpOptions.Namespace != "") {
{ writer.WriteLine("namespace {0} {{", Descriptor.CSharpOptions.Namespace);
writer.WriteLine("namespace {0} {{", Descriptor.CSharpOptions.Namespace); writer.Indent();
writer.Indent(); writer.WriteLine();
writer.WriteLine(); }
} // Add the namespace around the umbrella class if defined
// Add the namespace around the umbrella class if defined if (!Descriptor.CSharpOptions.NestClasses && Descriptor.CSharpOptions.UmbrellaNamespace != "")
if (!Descriptor.CSharpOptions.NestClasses && Descriptor.CSharpOptions.UmbrellaNamespace != "") {
{ writer.WriteLine("namespace {0} {{", Descriptor.CSharpOptions.UmbrellaNamespace);
writer.WriteLine("namespace {0} {{", Descriptor.CSharpOptions.UmbrellaNamespace); writer.Indent();
writer.Indent(); writer.WriteLine();
writer.WriteLine(); }
}
if (Descriptor.CSharpOptions.CodeContracts)
if (Descriptor.CSharpOptions.CodeContracts) {
{ writer.WriteLine("[global::System.Diagnostics.Contracts.ContractVerificationAttribute(false)]");
writer.WriteLine("[global::System.Diagnostics.Contracts.ContractVerificationAttribute(false)]"); }
} writer.WriteLine("[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]");
writer.WriteLine("[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]"); writer.WriteLine("[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]");
writer.WriteLine("[global::System.Runtime.CompilerServices.CompilerGeneratedAttribute()]"); writer.WriteLine("[global::System.CodeDom.Compiler.GeneratedCodeAttribute(\"{0}\", \"{1}\")]",
writer.WriteLine("[global::System.CodeDom.Compiler.GeneratedCodeAttribute(\"{0}\", \"{1}\")]", GetType().Assembly.GetName().Name, GetType().Assembly.GetName().Version);
GetType().Assembly.GetName().Name, GetType().Assembly.GetName().Version); writer.WriteLine("{0} static partial class {1} {{", ClassAccessLevel,
writer.WriteLine("{0} static partial class {1} {{", ClassAccessLevel, Descriptor.CSharpOptions.UmbrellaClassname);
Descriptor.CSharpOptions.UmbrellaClassname); writer.WriteLine();
writer.WriteLine(); writer.Indent();
writer.Indent(); }
}
private void WriteExtensionRegistration(TextGenerator writer)
private void WriteExtensionRegistration(TextGenerator writer) {
{ writer.WriteLine("#region Extension registration");
writer.WriteLine("#region Extension registration"); writer.WriteLine("public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {");
writer.WriteLine("public static void RegisterAllExtensions(pb::ExtensionRegistry registry) {"); writer.Indent();
writer.Indent(); foreach (FieldDescriptor extension in Descriptor.Extensions)
foreach (FieldDescriptor extension in Descriptor.Extensions) {
{ new ExtensionGenerator(extension).GenerateExtensionRegistrationCode(writer);
new ExtensionGenerator(extension).GenerateExtensionRegistrationCode(writer); }
} foreach (MessageDescriptor message in Descriptor.MessageTypes)
foreach (MessageDescriptor message in Descriptor.MessageTypes) {
{ new MessageGenerator(message).GenerateExtensionRegistrationCode(writer);
new MessageGenerator(message).GenerateExtensionRegistrationCode(writer); }
} writer.Outdent();
writer.Outdent(); writer.WriteLine("}");
writer.WriteLine("}"); writer.WriteLine("#endregion");
writer.WriteLine("#endregion"); }
}
private void WriteDescriptor(TextGenerator writer)
private void WriteDescriptor(TextGenerator writer) {
{ writer.WriteLine("#region Descriptor");
writer.WriteLine("#region Descriptor");
writer.WriteLine("public static pbd::FileDescriptor Descriptor {");
writer.WriteLine("public static pbd::FileDescriptor Descriptor {"); writer.WriteLine(" get { return descriptor; }");
writer.WriteLine(" get { return descriptor; }"); writer.WriteLine("}");
writer.WriteLine("}"); writer.WriteLine("private static pbd::FileDescriptor descriptor;");
writer.WriteLine("private static pbd::FileDescriptor descriptor;"); writer.WriteLine();
writer.WriteLine(); writer.WriteLine("static {0}() {{", Descriptor.CSharpOptions.UmbrellaClassname);
writer.WriteLine("static {0}() {{", Descriptor.CSharpOptions.UmbrellaClassname); writer.Indent();
writer.Indent(); writer.WriteLine("byte[] descriptorData = global::System.Convert.FromBase64String(");
writer.WriteLine("byte[] descriptorData = global::System.Convert.FromBase64String("); writer.Indent();
writer.Indent(); writer.Indent();
writer.Indent();
// TODO(jonskeet): Consider a C#-escaping format here instead of just Base64.
// TODO(jonskeet): Consider a C#-escaping format here instead of just Base64. byte[] bytes = Descriptor.Proto.ToByteArray();
byte[] bytes = Descriptor.Proto.ToByteArray(); string base64 = Convert.ToBase64String(bytes);
string base64 = Convert.ToBase64String(bytes);
while (base64.Length > 60)
while (base64.Length > 60) {
{ writer.WriteLine("\"{0}\" + ", base64.Substring(0, 60));
writer.WriteLine("\"{0}\" + ", base64.Substring(0, 60)); base64 = base64.Substring(60);
base64 = base64.Substring(60); }
} writer.WriteLine("\"{0}\");", base64);
writer.WriteLine("\"{0}\");", base64); writer.Outdent();
writer.Outdent(); writer.Outdent();
writer.Outdent(); writer.WriteLine(
writer.WriteLine( "pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {");
"pbd::FileDescriptor.InternalDescriptorAssigner assigner = delegate(pbd::FileDescriptor root) {"); writer.Indent();
writer.Indent(); writer.WriteLine("descriptor = root;");
writer.WriteLine("descriptor = root;"); foreach (MessageDescriptor message in Descriptor.MessageTypes)
foreach (MessageDescriptor message in Descriptor.MessageTypes) {
{ new MessageGenerator(message).GenerateStaticVariableInitializers(writer);
new MessageGenerator(message).GenerateStaticVariableInitializers(writer); }
} foreach (FieldDescriptor extension in Descriptor.Extensions)
foreach (FieldDescriptor extension in Descriptor.Extensions) {
{ new ExtensionGenerator(extension).GenerateStaticVariableInitializers(writer);
new ExtensionGenerator(extension).GenerateStaticVariableInitializers(writer); }
}
if (UsesExtensions(Descriptor.Proto))
if (UsesExtensions(Descriptor.Proto)) {
{ // Must construct an ExtensionRegistry containing all possible extensions
// Must construct an ExtensionRegistry containing all possible extensions // and return it.
// and return it. writer.WriteLine("pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();");
writer.WriteLine("pb::ExtensionRegistry registry = pb::ExtensionRegistry.CreateInstance();"); writer.WriteLine("RegisterAllExtensions(registry);");
writer.WriteLine("RegisterAllExtensions(registry);"); foreach (FileDescriptor dependency in Descriptor.Dependencies)
foreach (FileDescriptor dependency in Descriptor.Dependencies) {
{ writer.WriteLine("{0}.RegisterAllExtensions(registry);",
writer.WriteLine("{0}.RegisterAllExtensions(registry);", DescriptorUtil.GetFullUmbrellaClassName(dependency));
DescriptorUtil.GetFullUmbrellaClassName(dependency)); }
} writer.WriteLine("return registry;");
writer.WriteLine("return registry;"); }
} else
else {
{ writer.WriteLine("return null;");
writer.WriteLine("return null;"); }
} writer.Outdent();
writer.Outdent(); writer.WriteLine("};");
writer.WriteLine("};");
// -----------------------------------------------------------------
// ----------------------------------------------------------------- // Invoke internalBuildGeneratedFileFrom() to build the file.
// Invoke internalBuildGeneratedFileFrom() to build the file. writer.WriteLine("pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,");
writer.WriteLine("pbd::FileDescriptor.InternalBuildGeneratedFileFrom(descriptorData,"); writer.WriteLine(" new pbd::FileDescriptor[] {");
writer.WriteLine(" new pbd::FileDescriptor[] {"); foreach (FileDescriptor dependency in Descriptor.Dependencies)
foreach (FileDescriptor dependency in Descriptor.Dependencies) {
{ writer.WriteLine(" {0}.Descriptor, ", DescriptorUtil.GetFullUmbrellaClassName(dependency));
writer.WriteLine(" {0}.Descriptor, ", DescriptorUtil.GetFullUmbrellaClassName(dependency)); }
} writer.WriteLine(" }, assigner);");
writer.WriteLine(" }, assigner);"); writer.Outdent();
writer.Outdent(); writer.WriteLine("}");
writer.WriteLine("}"); writer.WriteLine("#endregion");
writer.WriteLine("#endregion"); writer.WriteLine();
writer.WriteLine(); }
}
private void WriteLiteExtensions(TextGenerator writer)
private void WriteLiteExtensions(TextGenerator writer) {
{ writer.WriteLine("#region Extensions");
writer.WriteLine("#region Extensions"); writer.WriteLine("internal static readonly object Descriptor;");
writer.WriteLine("internal static readonly object Descriptor;"); writer.WriteLine("static {0}() {{", Descriptor.CSharpOptions.UmbrellaClassname);
writer.WriteLine("static {0}() {{", Descriptor.CSharpOptions.UmbrellaClassname); writer.Indent();
writer.Indent(); writer.WriteLine("Descriptor = null;");
writer.WriteLine("Descriptor = null;");
foreach (MessageDescriptor message in Descriptor.MessageTypes)
foreach (MessageDescriptor message in Descriptor.MessageTypes) {
{ new MessageGenerator(message).GenerateStaticVariableInitializers(writer);
new MessageGenerator(message).GenerateStaticVariableInitializers(writer); }
} foreach (FieldDescriptor extension in Descriptor.Extensions)
foreach (FieldDescriptor extension in Descriptor.Extensions) {
{ new ExtensionGenerator(extension).GenerateStaticVariableInitializers(writer);
new ExtensionGenerator(extension).GenerateStaticVariableInitializers(writer); }
} writer.Outdent();
writer.Outdent(); writer.WriteLine("}");
writer.WriteLine("}"); writer.WriteLine("#endregion");
writer.WriteLine("#endregion"); writer.WriteLine();
writer.WriteLine(); }
} }
}
} }
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