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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.Collections.Generic;
using Google.ProtocolBuffers.Descriptors;
namespace Google.ProtocolBuffers.ProtoGen {
internal abstract class SourceGeneratorBase<T> where T : IDescriptor {
private readonly T descriptor;
protected readonly bool OptimizeSpeed;
protected readonly bool OptimizeSize;
protected readonly bool UseLiteRuntime;
protected readonly string RuntimeSuffix;
protected SourceGeneratorBase(T descriptor) {
this.descriptor = descriptor;
OptimizeSize = descriptor.File.Options.OptimizeFor == Google.ProtocolBuffers.DescriptorProtos.FileOptions.Types.OptimizeMode.CODE_SIZE;
OptimizeSpeed = descriptor.File.Options.OptimizeFor == Google.ProtocolBuffers.DescriptorProtos.FileOptions.Types.OptimizeMode.SPEED;
UseLiteRuntime = descriptor.File.Options.OptimizeFor == Google.ProtocolBuffers.DescriptorProtos.FileOptions.Types.OptimizeMode.LITE_RUNTIME;
//Lite runtime uses OptimizeSpeed code branches
OptimizeSpeed |= UseLiteRuntime;
RuntimeSuffix = UseLiteRuntime ? "Lite" : "";
}
protected T Descriptor {
get { return descriptor; }
}
internal static string GetClassName(IDescriptor descriptor) {
return ToCSharpName(descriptor.FullName, descriptor.File);
}
// Groups are hacky: The name of the field is just the lower-cased name
// of the group type. In C#, though, we would like to retain the original
// capitalization of the type name.
internal static string GetFieldName(FieldDescriptor descriptor) {
if (descriptor.FieldType == FieldType.Group) {
return descriptor.MessageType.Name;
} else {
return descriptor.Name;
}
}
internal static string GetFieldConstantName(FieldDescriptor field) {
return field.CSharpOptions.PropertyName + "FieldNumber";
}
private static string ToCSharpName(string name, FileDescriptor file) {
string result = file.CSharpOptions.Namespace;
if (file.CSharpOptions.NestClasses) {
if (result != "") {
result += ".";
}
result += file.CSharpOptions.UmbrellaClassname;
}
if (result != "") {
result += '.';
}
string classname;
if (file.Package == "") {
classname = name;
} else {
// Strip the proto package from full_name since we've replaced it with
// the C# namespace.
classname = name.Substring(file.Package.Length + 1);
}
result += classname.Replace(".", ".Types.");
return "global::" + result;
}
protected string ClassAccessLevel {
get {
return descriptor.File.CSharpOptions.PublicClasses ? "public" : "internal";
}
}
protected void WriteChildren<TChild>(TextGenerator writer, string region, IEnumerable<TChild> children)
where TChild : IDescriptor {
// Copy the set of children; makes access easier
List<TChild> copy = new List<TChild>(children);
if (copy.Count == 0) {
return;
}
if (region != null) {
writer.WriteLine("#region {0}", region);
}
foreach (TChild child in children) {
SourceGenerators.CreateGenerator(child).Generate(writer);
}
if (region != null) {
writer.WriteLine("#endregion");
writer.WriteLine();
}
}
}
}
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