#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) | |
{ | |
} | |
} | |
} |