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authorcsharptest <roger@csharptest.net>2011-05-20 15:15:34 -0500
committerrogerk <devnull@localhost>2011-05-20 15:15:34 -0500
commit71f662c33e9938951eec3da97140aed25aa815d7 (patch)
treec322e13686cad5c8bff9e54d7585fc8e4adf6537 /src/ProtocolBuffers/Descriptors/FileDescriptor.cs
parentd965c666ecf405f4e997ab251e72551508a14678 (diff)
downloadprotobuf-71f662c33e9938951eec3da97140aed25aa815d7.tar.gz
protobuf-71f662c33e9938951eec3da97140aed25aa815d7.tar.bz2
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reformatted all code to .NET standard formatting
Diffstat (limited to 'src/ProtocolBuffers/Descriptors/FileDescriptor.cs')
-rw-r--r--src/ProtocolBuffers/Descriptors/FileDescriptor.cs926
1 files changed, 495 insertions, 431 deletions
diff --git a/src/ProtocolBuffers/Descriptors/FileDescriptor.cs b/src/ProtocolBuffers/Descriptors/FileDescriptor.cs
index 1648c34f..392db9a7 100644
--- a/src/ProtocolBuffers/Descriptors/FileDescriptor.cs
+++ b/src/ProtocolBuffers/Descriptors/FileDescriptor.cs
@@ -1,432 +1,496 @@
-// 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.
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.IO;
-using Google.ProtocolBuffers.DescriptorProtos;
-using FileOptions = Google.ProtocolBuffers.DescriptorProtos.FileOptions;
-
-namespace Google.ProtocolBuffers.Descriptors {
- /// <summary>
- /// Describes a .proto file, including everything defined within.
- /// IDescriptor is implemented such that the File property returns this descriptor,
- /// and the FullName is the same as the Name.
- /// </summary>
- public sealed class FileDescriptor : IDescriptor<FileDescriptorProto> {
- private FileDescriptorProto proto;
- private readonly IList<MessageDescriptor> messageTypes;
- private readonly IList<EnumDescriptor> enumTypes;
- private readonly IList<ServiceDescriptor> services;
- private readonly IList<FieldDescriptor> extensions;
- private readonly IList<FileDescriptor> dependencies;
- private readonly DescriptorPool pool;
- private CSharpFileOptions csharpFileOptions;
- private readonly object optionsLock = new object();
-
- private FileDescriptor(FileDescriptorProto proto, FileDescriptor[] dependencies, DescriptorPool pool) {
- this.pool = pool;
- this.proto = proto;
- this.dependencies = new ReadOnlyCollection<FileDescriptor>((FileDescriptor[]) dependencies.Clone());
-
- pool.AddPackage(Package, this);
-
- messageTypes = DescriptorUtil.ConvertAndMakeReadOnly(proto.MessageTypeList,
- (message, index) =>
- new MessageDescriptor(message, this, null, index));
-
- enumTypes = DescriptorUtil.ConvertAndMakeReadOnly(proto.EnumTypeList,
- (enumType, index) =>
- new EnumDescriptor(enumType, this, null, index));
-
- services = DescriptorUtil.ConvertAndMakeReadOnly(proto.ServiceList,
- (service, index) => new ServiceDescriptor(service, this, index));
-
- extensions = DescriptorUtil.ConvertAndMakeReadOnly(proto.ExtensionList,
- (field, index) =>
- new FieldDescriptor(field, this, null, index, true));
- }
-
-
- /// <summary>
- /// Allows a file descriptor to be configured with a set of external options, e.g. from the
- /// command-line arguments to protogen.
- /// </summary>
- public void ConfigureWithDefaultOptions(CSharpFileOptions options) {
- csharpFileOptions = BuildOrFakeWithDefaultOptions(options);
- }
-
- private CSharpFileOptions BuildOrFakeWithDefaultOptions(CSharpFileOptions defaultOptions) {
- // Fix for being able to relocate these files to any directory structure
- if (proto.Package == "google.protobuf") {
- string filename = Path.GetFileName(proto.Name);
- // TODO(jonskeet): Check if we could use FileDescriptorProto.Descriptor.Name - interesting bootstrap issues)
- if (filename == "descriptor.proto") {
- return new CSharpFileOptions.Builder {
- Namespace = "Google.ProtocolBuffers.DescriptorProtos",
- UmbrellaClassname = "DescriptorProtoFile",
- NestClasses = false,
- MultipleFiles = false,
- PublicClasses = true,
- OutputDirectory = defaultOptions.OutputDirectory,
- IgnoreGoogleProtobuf = defaultOptions.IgnoreGoogleProtobuf
- }.Build();
- }
- if (filename == "csharp_options.proto") {
- return new CSharpFileOptions.Builder {
- Namespace = "Google.ProtocolBuffers.DescriptorProtos",
- UmbrellaClassname = "CSharpOptions",
- NestClasses = false,
- MultipleFiles = false,
- PublicClasses = true,
- OutputDirectory = defaultOptions.OutputDirectory,
- IgnoreGoogleProtobuf = defaultOptions.IgnoreGoogleProtobuf
- }.Build();
- }
- }
- CSharpFileOptions.Builder builder = defaultOptions.ToBuilder();
- if (proto.Options.HasExtension(DescriptorProtos.CSharpOptions.CSharpFileOptions)) {
- builder.MergeFrom(proto.Options.GetExtension(DescriptorProtos.CSharpOptions.CSharpFileOptions));
- }
- if (!builder.HasNamespace) {
- builder.Namespace = Package;
- }
- if (!builder.HasUmbrellaClassname) {
- int lastSlash = Name.LastIndexOf('/');
- string baseName = Name.Substring(lastSlash + 1);
- builder.UmbrellaClassname = NameHelpers.UnderscoresToPascalCase(NameHelpers.StripProto(baseName));
- }
-
- // Auto-fix for name collision by placing umbrella class into a new namespace. This
- // still won't fix the collisions with nesting enabled; however, you have to turn that on explicitly anyway.
- if (!builder.NestClasses && !builder.HasUmbrellaNamespace) {
- bool collision = false;
- foreach (IDescriptor d in MessageTypes) {
- collision |= d.Name == builder.UmbrellaClassname;
- }
- foreach (IDescriptor d in Services) {
- collision |= d.Name == builder.UmbrellaClassname;
- }
- foreach (IDescriptor d in EnumTypes) {
- collision |= d.Name == builder.UmbrellaClassname;
- }
- if (collision) {
- builder.UmbrellaNamespace = "Proto";
- }
- }
-
- return builder.Build();
- }
-
- /// <value>
- /// The descriptor in its protocol message representation.
- /// </value>
- public FileDescriptorProto Proto {
- get { return proto; }
- }
-
- /// <value>
- /// The <see cref="DescriptorProtos.FileOptions" /> defined in <c>descriptor.proto</c>.
- /// </value>
- public FileOptions Options {
- get { return proto.Options; }
- }
-
- /// <summary>
- /// Returns the C#-specific options for this file descriptor. This will always be
- /// completely filled in.
- /// </summary>
- public CSharpFileOptions CSharpOptions {
- get {
- lock (optionsLock) {
- if (csharpFileOptions == null) {
- csharpFileOptions = BuildOrFakeWithDefaultOptions(CSharpFileOptions.DefaultInstance);
- }
- }
- return csharpFileOptions;
- }
- }
-
- /// <value>
- /// The file name.
- /// </value>
- public string Name {
- get { return proto.Name; }
- }
-
- /// <summary>
- /// The package as declared in the .proto file. This may or may not
- /// be equivalent to the .NET namespace of the generated classes.
- /// </summary>
- public string Package {
- get { return proto.Package; }
- }
-
- /// <value>
- /// Unmodifiable list of top-level message types declared in this file.
- /// </value>
- public IList<MessageDescriptor> MessageTypes {
- get { return messageTypes; }
- }
-
- /// <value>
- /// Unmodifiable list of top-level enum types declared in this file.
- /// </value>
- public IList<EnumDescriptor> EnumTypes {
- get { return enumTypes; }
- }
-
- /// <value>
- /// Unmodifiable list of top-level services declared in this file.
- /// </value>
- public IList<ServiceDescriptor> Services {
- get { return services; }
- }
-
- /// <value>
- /// Unmodifiable list of top-level extensions declared in this file.
- /// </value>
- public IList<FieldDescriptor> Extensions {
- get { return extensions; }
- }
-
- /// <value>
- /// Unmodifiable list of this file's dependencies (imports).
- /// </value>
- public IList<FileDescriptor> Dependencies {
- get { return dependencies; }
- }
-
- /// <value>
- /// Implementation of IDescriptor.FullName - just returns the same as Name.
- /// </value>
- string IDescriptor.FullName {
- get { return Name; }
- }
-
- /// <value>
- /// Implementation of IDescriptor.File - just returns this descriptor.
- /// </value>
- FileDescriptor IDescriptor.File {
- get { return this; }
- }
-
- /// <value>
- /// Protocol buffer describing this descriptor.
- /// </value>
- IMessage IDescriptor.Proto {
- get { return Proto; }
- }
-
- /// <value>
- /// Pool containing symbol descriptors.
- /// </value>
- internal DescriptorPool DescriptorPool {
- get { return pool; }
- }
-
- /// <summary>
- /// Finds a type (message, enum, service or extension) in the file by name. Does not find nested types.
- /// </summary>
- /// <param name="name">The unqualified type name to look for.</param>
- /// <typeparam name="T">The type of descriptor to look for (or ITypeDescriptor for any)</typeparam>
- /// <returns>The type's descriptor, or null if not found.</returns>
- public T FindTypeByName<T>(String name)
- where T : class, IDescriptor {
- // Don't allow looking up nested types. This will make optimization
- // easier later.
- if (name.IndexOf('.') != -1) {
- return null;
- }
- if (Package.Length > 0) {
- name = Package + "." + name;
- }
- T result = pool.FindSymbol<T>(name);
- if (result != null && result.File == this) {
- return result;
- }
- return null;
- }
-
- /// <summary>
- /// Builds a FileDescriptor from its protocol buffer representation.
- /// </summary>
- /// <param name="proto">The protocol message form of the FileDescriptor.</param>
- /// <param name="dependencies">FileDescriptors corresponding to all of the
- /// file's dependencies, in the exact order listed in the .proto file. May be null,
- /// in which case it is treated as an empty array.</param>
- /// <exception cref="DescriptorValidationException">If <paramref name="proto"/> is not
- /// a valid descriptor. This can occur for a number of reasons, such as a field
- /// having an undefined type or because two messages were defined with the same name.</exception>
- public static FileDescriptor BuildFrom(FileDescriptorProto proto, FileDescriptor[] dependencies) {
- // Building descriptors involves two steps: translating and linking.
- // In the translation step (implemented by FileDescriptor's
- // constructor), we build an object tree mirroring the
- // FileDescriptorProto's tree and put all of the descriptors into the
- // DescriptorPool's lookup tables. In the linking step, we look up all
- // type references in the DescriptorPool, so that, for example, a
- // FieldDescriptor for an embedded message contains a pointer directly
- // to the Descriptor for that message's type. We also detect undefined
- // types in the linking step.
- if (dependencies == null) {
- dependencies = new FileDescriptor[0];
- }
-
- DescriptorPool pool = new DescriptorPool(dependencies);
- FileDescriptor result = new FileDescriptor(proto, dependencies, pool);
-
- if (dependencies.Length != proto.DependencyCount) {
- throw new DescriptorValidationException(result,
- "Dependencies passed to FileDescriptor.BuildFrom() don't match " +
- "those listed in the FileDescriptorProto.");
- }
- for (int i = 0; i < proto.DependencyCount; i++) {
- if (dependencies[i].Name != proto.DependencyList[i]) {
- throw new DescriptorValidationException(result,
- "Dependencies passed to FileDescriptor.BuildFrom() don't match " +
- "those listed in the FileDescriptorProto.");
- }
- }
-
- result.CrossLink();
- return result;
- }
-
- private void CrossLink() {
- foreach (MessageDescriptor message in messageTypes) {
- message.CrossLink();
- }
-
- foreach (ServiceDescriptor service in services) {
- service.CrossLink();
- }
-
- foreach (FieldDescriptor extension in extensions) {
- extension.CrossLink();
- }
-
- foreach (MessageDescriptor message in messageTypes) {
- message.CheckRequiredFields();
- }
- }
-
- /// <summary>
- /// This method is to be called by generated code only. It is equivalent
- /// to BuildFrom except that the FileDescriptorProto is encoded in
- /// protocol buffer wire format. This overload is maintained for backward
- /// compatibility with source code generated before the custom options were available
- /// (and working).
- /// </summary>
- public static FileDescriptor InternalBuildGeneratedFileFrom(byte[] descriptorData, FileDescriptor[] dependencies) {
- return InternalBuildGeneratedFileFrom(descriptorData, dependencies, x => null);
- }
-
- /// <summary>
- /// This delegate should be used by generated code only. When calling
- /// FileDescriptor.InternalBuildGeneratedFileFrom, the caller can provide
- /// a callback which assigns the global variables defined in the generated code
- /// which point at parts of the FileDescriptor. The callback returns an
- /// Extension Registry which contains any extensions which might be used in
- /// the descriptor - that is, extensions of the various "Options" messages defined
- /// in descriptor.proto. The callback may also return null to indicate that
- /// no extensions are used in the descriptor.
- /// </summary>
- /// <param name="descriptor"></param>
- /// <returns></returns>
- public delegate ExtensionRegistry InternalDescriptorAssigner(FileDescriptor descriptor);
-
- public static FileDescriptor InternalBuildGeneratedFileFrom(byte[] descriptorData,
- FileDescriptor[] dependencies,
- InternalDescriptorAssigner descriptorAssigner) {
- FileDescriptorProto proto;
- try {
- proto = FileDescriptorProto.ParseFrom(descriptorData);
- }
- catch (InvalidProtocolBufferException e) {
- throw new ArgumentException("Failed to parse protocol buffer descriptor for generated code.", e);
- }
-
- FileDescriptor result;
- try {
- result = BuildFrom(proto, dependencies);
- }
- catch (DescriptorValidationException e) {
- throw new ArgumentException("Invalid embedded descriptor for \"" + proto.Name + "\".", e);
- }
-
- ExtensionRegistry registry = descriptorAssigner(result);
-
- if (registry != null) {
- // We must re-parse the proto using the registry.
- try {
- proto = FileDescriptorProto.ParseFrom(descriptorData, registry);
- }
- catch (InvalidProtocolBufferException e) {
- throw new ArgumentException("Failed to parse protocol buffer descriptor for generated code.", e);
- }
-
- result.ReplaceProto(proto);
- }
- return result;
- }
-
- /// <summary>
- /// Replace our FileDescriptorProto with the given one, which is
- /// identical except that it might contain extensions that weren't present
- /// in the original. This method is needed for bootstrapping when a file
- /// defines custom options. The options may be defined in the file itself,
- /// so we can't actually parse them until we've constructed the descriptors,
- /// but to construct the decsriptors we have to have parsed the descriptor
- /// protos. So, we have to parse the descriptor protos a second time after
- /// constructing the descriptors.
- /// </summary>
- private void ReplaceProto(FileDescriptorProto newProto) {
- proto = newProto;
-
- for (int i = 0; i < messageTypes.Count; i++) {
- messageTypes[i].ReplaceProto(proto.GetMessageType(i));
- }
-
- for (int i = 0; i < enumTypes.Count; i++) {
- enumTypes[i].ReplaceProto(proto.GetEnumType(i));
- }
-
- for (int i = 0; i < services.Count; i++) {
- services[i].ReplaceProto(proto.GetService(i));
- }
-
- for (int i = 0; i < extensions.Count; i++) {
- extensions[i].ReplaceProto(proto.GetExtension(i));
- }
- }
- }
+// 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.
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IO;
+using Google.ProtocolBuffers.DescriptorProtos;
+using FileOptions = Google.ProtocolBuffers.DescriptorProtos.FileOptions;
+
+namespace Google.ProtocolBuffers.Descriptors
+{
+ /// <summary>
+ /// Describes a .proto file, including everything defined within.
+ /// IDescriptor is implemented such that the File property returns this descriptor,
+ /// and the FullName is the same as the Name.
+ /// </summary>
+ public sealed class FileDescriptor : IDescriptor<FileDescriptorProto>
+ {
+ private FileDescriptorProto proto;
+ private readonly IList<MessageDescriptor> messageTypes;
+ private readonly IList<EnumDescriptor> enumTypes;
+ private readonly IList<ServiceDescriptor> services;
+ private readonly IList<FieldDescriptor> extensions;
+ private readonly IList<FileDescriptor> dependencies;
+ private readonly DescriptorPool pool;
+ private CSharpFileOptions csharpFileOptions;
+ private readonly object optionsLock = new object();
+
+ private FileDescriptor(FileDescriptorProto proto, FileDescriptor[] dependencies, DescriptorPool pool)
+ {
+ this.pool = pool;
+ this.proto = proto;
+ this.dependencies = new ReadOnlyCollection<FileDescriptor>((FileDescriptor[]) dependencies.Clone());
+
+ pool.AddPackage(Package, this);
+
+ messageTypes = DescriptorUtil.ConvertAndMakeReadOnly(proto.MessageTypeList,
+ (message, index) =>
+ new MessageDescriptor(message, this, null, index));
+
+ enumTypes = DescriptorUtil.ConvertAndMakeReadOnly(proto.EnumTypeList,
+ (enumType, index) =>
+ new EnumDescriptor(enumType, this, null, index));
+
+ services = DescriptorUtil.ConvertAndMakeReadOnly(proto.ServiceList,
+ (service, index) =>
+ new ServiceDescriptor(service, this, index));
+
+ extensions = DescriptorUtil.ConvertAndMakeReadOnly(proto.ExtensionList,
+ (field, index) =>
+ new FieldDescriptor(field, this, null, index, true));
+ }
+
+
+ /// <summary>
+ /// Allows a file descriptor to be configured with a set of external options, e.g. from the
+ /// command-line arguments to protogen.
+ /// </summary>
+ public void ConfigureWithDefaultOptions(CSharpFileOptions options)
+ {
+ csharpFileOptions = BuildOrFakeWithDefaultOptions(options);
+ }
+
+ private CSharpFileOptions BuildOrFakeWithDefaultOptions(CSharpFileOptions defaultOptions)
+ {
+ // Fix for being able to relocate these files to any directory structure
+ if (proto.Package == "google.protobuf")
+ {
+ string filename = Path.GetFileName(proto.Name);
+ // TODO(jonskeet): Check if we could use FileDescriptorProto.Descriptor.Name - interesting bootstrap issues)
+ if (filename == "descriptor.proto")
+ {
+ return new CSharpFileOptions.Builder
+ {
+ Namespace = "Google.ProtocolBuffers.DescriptorProtos",
+ UmbrellaClassname = "DescriptorProtoFile",
+ NestClasses = false,
+ MultipleFiles = false,
+ PublicClasses = true,
+ OutputDirectory = defaultOptions.OutputDirectory,
+ IgnoreGoogleProtobuf = defaultOptions.IgnoreGoogleProtobuf
+ }.Build();
+ }
+ if (filename == "csharp_options.proto")
+ {
+ return new CSharpFileOptions.Builder
+ {
+ Namespace = "Google.ProtocolBuffers.DescriptorProtos",
+ UmbrellaClassname = "CSharpOptions",
+ NestClasses = false,
+ MultipleFiles = false,
+ PublicClasses = true,
+ OutputDirectory = defaultOptions.OutputDirectory,
+ IgnoreGoogleProtobuf = defaultOptions.IgnoreGoogleProtobuf
+ }.Build();
+ }
+ }
+ CSharpFileOptions.Builder builder = defaultOptions.ToBuilder();
+ if (proto.Options.HasExtension(DescriptorProtos.CSharpOptions.CSharpFileOptions))
+ {
+ builder.MergeFrom(proto.Options.GetExtension(DescriptorProtos.CSharpOptions.CSharpFileOptions));
+ }
+ if (!builder.HasNamespace)
+ {
+ builder.Namespace = Package;
+ }
+ if (!builder.HasUmbrellaClassname)
+ {
+ int lastSlash = Name.LastIndexOf('/');
+ string baseName = Name.Substring(lastSlash + 1);
+ builder.UmbrellaClassname = NameHelpers.UnderscoresToPascalCase(NameHelpers.StripProto(baseName));
+ }
+
+ // Auto-fix for name collision by placing umbrella class into a new namespace. This
+ // still won't fix the collisions with nesting enabled; however, you have to turn that on explicitly anyway.
+ if (!builder.NestClasses && !builder.HasUmbrellaNamespace)
+ {
+ bool collision = false;
+ foreach (IDescriptor d in MessageTypes)
+ {
+ collision |= d.Name == builder.UmbrellaClassname;
+ }
+ foreach (IDescriptor d in Services)
+ {
+ collision |= d.Name == builder.UmbrellaClassname;
+ }
+ foreach (IDescriptor d in EnumTypes)
+ {
+ collision |= d.Name == builder.UmbrellaClassname;
+ }
+ if (collision)
+ {
+ builder.UmbrellaNamespace = "Proto";
+ }
+ }
+
+ return builder.Build();
+ }
+
+ /// <value>
+ /// The descriptor in its protocol message representation.
+ /// </value>
+ public FileDescriptorProto Proto
+ {
+ get { return proto; }
+ }
+
+ /// <value>
+ /// The <see cref="DescriptorProtos.FileOptions" /> defined in <c>descriptor.proto</c>.
+ /// </value>
+ public FileOptions Options
+ {
+ get { return proto.Options; }
+ }
+
+ /// <summary>
+ /// Returns the C#-specific options for this file descriptor. This will always be
+ /// completely filled in.
+ /// </summary>
+ public CSharpFileOptions CSharpOptions
+ {
+ get
+ {
+ lock (optionsLock)
+ {
+ if (csharpFileOptions == null)
+ {
+ csharpFileOptions = BuildOrFakeWithDefaultOptions(CSharpFileOptions.DefaultInstance);
+ }
+ }
+ return csharpFileOptions;
+ }
+ }
+
+ /// <value>
+ /// The file name.
+ /// </value>
+ public string Name
+ {
+ get { return proto.Name; }
+ }
+
+ /// <summary>
+ /// The package as declared in the .proto file. This may or may not
+ /// be equivalent to the .NET namespace of the generated classes.
+ /// </summary>
+ public string Package
+ {
+ get { return proto.Package; }
+ }
+
+ /// <value>
+ /// Unmodifiable list of top-level message types declared in this file.
+ /// </value>
+ public IList<MessageDescriptor> MessageTypes
+ {
+ get { return messageTypes; }
+ }
+
+ /// <value>
+ /// Unmodifiable list of top-level enum types declared in this file.
+ /// </value>
+ public IList<EnumDescriptor> EnumTypes
+ {
+ get { return enumTypes; }
+ }
+
+ /// <value>
+ /// Unmodifiable list of top-level services declared in this file.
+ /// </value>
+ public IList<ServiceDescriptor> Services
+ {
+ get { return services; }
+ }
+
+ /// <value>
+ /// Unmodifiable list of top-level extensions declared in this file.
+ /// </value>
+ public IList<FieldDescriptor> Extensions
+ {
+ get { return extensions; }
+ }
+
+ /// <value>
+ /// Unmodifiable list of this file's dependencies (imports).
+ /// </value>
+ public IList<FileDescriptor> Dependencies
+ {
+ get { return dependencies; }
+ }
+
+ /// <value>
+ /// Implementation of IDescriptor.FullName - just returns the same as Name.
+ /// </value>
+ string IDescriptor.FullName
+ {
+ get { return Name; }
+ }
+
+ /// <value>
+ /// Implementation of IDescriptor.File - just returns this descriptor.
+ /// </value>
+ FileDescriptor IDescriptor.File
+ {
+ get { return this; }
+ }
+
+ /// <value>
+ /// Protocol buffer describing this descriptor.
+ /// </value>
+ IMessage IDescriptor.Proto
+ {
+ get { return Proto; }
+ }
+
+ /// <value>
+ /// Pool containing symbol descriptors.
+ /// </value>
+ internal DescriptorPool DescriptorPool
+ {
+ get { return pool; }
+ }
+
+ /// <summary>
+ /// Finds a type (message, enum, service or extension) in the file by name. Does not find nested types.
+ /// </summary>
+ /// <param name="name">The unqualified type name to look for.</param>
+ /// <typeparam name="T">The type of descriptor to look for (or ITypeDescriptor for any)</typeparam>
+ /// <returns>The type's descriptor, or null if not found.</returns>
+ public T FindTypeByName<T>(String name)
+ where T : class, IDescriptor
+ {
+ // Don't allow looking up nested types. This will make optimization
+ // easier later.
+ if (name.IndexOf('.') != -1)
+ {
+ return null;
+ }
+ if (Package.Length > 0)
+ {
+ name = Package + "." + name;
+ }
+ T result = pool.FindSymbol<T>(name);
+ if (result != null && result.File == this)
+ {
+ return result;
+ }
+ return null;
+ }
+
+ /// <summary>
+ /// Builds a FileDescriptor from its protocol buffer representation.
+ /// </summary>
+ /// <param name="proto">The protocol message form of the FileDescriptor.</param>
+ /// <param name="dependencies">FileDescriptors corresponding to all of the
+ /// file's dependencies, in the exact order listed in the .proto file. May be null,
+ /// in which case it is treated as an empty array.</param>
+ /// <exception cref="DescriptorValidationException">If <paramref name="proto"/> is not
+ /// a valid descriptor. This can occur for a number of reasons, such as a field
+ /// having an undefined type or because two messages were defined with the same name.</exception>
+ public static FileDescriptor BuildFrom(FileDescriptorProto proto, FileDescriptor[] dependencies)
+ {
+ // Building descriptors involves two steps: translating and linking.
+ // In the translation step (implemented by FileDescriptor's
+ // constructor), we build an object tree mirroring the
+ // FileDescriptorProto's tree and put all of the descriptors into the
+ // DescriptorPool's lookup tables. In the linking step, we look up all
+ // type references in the DescriptorPool, so that, for example, a
+ // FieldDescriptor for an embedded message contains a pointer directly
+ // to the Descriptor for that message's type. We also detect undefined
+ // types in the linking step.
+ if (dependencies == null)
+ {
+ dependencies = new FileDescriptor[0];
+ }
+
+ DescriptorPool pool = new DescriptorPool(dependencies);
+ FileDescriptor result = new FileDescriptor(proto, dependencies, pool);
+
+ if (dependencies.Length != proto.DependencyCount)
+ {
+ throw new DescriptorValidationException(result,
+ "Dependencies passed to FileDescriptor.BuildFrom() don't match " +
+ "those listed in the FileDescriptorProto.");
+ }
+ for (int i = 0; i < proto.DependencyCount; i++)
+ {
+ if (dependencies[i].Name != proto.DependencyList[i])
+ {
+ throw new DescriptorValidationException(result,
+ "Dependencies passed to FileDescriptor.BuildFrom() don't match " +
+ "those listed in the FileDescriptorProto.");
+ }
+ }
+
+ result.CrossLink();
+ return result;
+ }
+
+ private void CrossLink()
+ {
+ foreach (MessageDescriptor message in messageTypes)
+ {
+ message.CrossLink();
+ }
+
+ foreach (ServiceDescriptor service in services)
+ {
+ service.CrossLink();
+ }
+
+ foreach (FieldDescriptor extension in extensions)
+ {
+ extension.CrossLink();
+ }
+
+ foreach (MessageDescriptor message in messageTypes)
+ {
+ message.CheckRequiredFields();
+ }
+ }
+
+ /// <summary>
+ /// This method is to be called by generated code only. It is equivalent
+ /// to BuildFrom except that the FileDescriptorProto is encoded in
+ /// protocol buffer wire format. This overload is maintained for backward
+ /// compatibility with source code generated before the custom options were available
+ /// (and working).
+ /// </summary>
+ public static FileDescriptor InternalBuildGeneratedFileFrom(byte[] descriptorData, FileDescriptor[] dependencies)
+ {
+ return InternalBuildGeneratedFileFrom(descriptorData, dependencies, x => null);
+ }
+
+ /// <summary>
+ /// This delegate should be used by generated code only. When calling
+ /// FileDescriptor.InternalBuildGeneratedFileFrom, the caller can provide
+ /// a callback which assigns the global variables defined in the generated code
+ /// which point at parts of the FileDescriptor. The callback returns an
+ /// Extension Registry which contains any extensions which might be used in
+ /// the descriptor - that is, extensions of the various "Options" messages defined
+ /// in descriptor.proto. The callback may also return null to indicate that
+ /// no extensions are used in the descriptor.
+ /// </summary>
+ /// <param name="descriptor"></param>
+ /// <returns></returns>
+ public delegate ExtensionRegistry InternalDescriptorAssigner(FileDescriptor descriptor);
+
+ public static FileDescriptor InternalBuildGeneratedFileFrom(byte[] descriptorData,
+ FileDescriptor[] dependencies,
+ InternalDescriptorAssigner descriptorAssigner)
+ {
+ FileDescriptorProto proto;
+ try
+ {
+ proto = FileDescriptorProto.ParseFrom(descriptorData);
+ }
+ catch (InvalidProtocolBufferException e)
+ {
+ throw new ArgumentException("Failed to parse protocol buffer descriptor for generated code.", e);
+ }
+
+ FileDescriptor result;
+ try
+ {
+ result = BuildFrom(proto, dependencies);
+ }
+ catch (DescriptorValidationException e)
+ {
+ throw new ArgumentException("Invalid embedded descriptor for \"" + proto.Name + "\".", e);
+ }
+
+ ExtensionRegistry registry = descriptorAssigner(result);
+
+ if (registry != null)
+ {
+ // We must re-parse the proto using the registry.
+ try
+ {
+ proto = FileDescriptorProto.ParseFrom(descriptorData, registry);
+ }
+ catch (InvalidProtocolBufferException e)
+ {
+ throw new ArgumentException("Failed to parse protocol buffer descriptor for generated code.", e);
+ }
+
+ result.ReplaceProto(proto);
+ }
+ return result;
+ }
+
+ /// <summary>
+ /// Replace our FileDescriptorProto with the given one, which is
+ /// identical except that it might contain extensions that weren't present
+ /// in the original. This method is needed for bootstrapping when a file
+ /// defines custom options. The options may be defined in the file itself,
+ /// so we can't actually parse them until we've constructed the descriptors,
+ /// but to construct the decsriptors we have to have parsed the descriptor
+ /// protos. So, we have to parse the descriptor protos a second time after
+ /// constructing the descriptors.
+ /// </summary>
+ private void ReplaceProto(FileDescriptorProto newProto)
+ {
+ proto = newProto;
+
+ for (int i = 0; i < messageTypes.Count; i++)
+ {
+ messageTypes[i].ReplaceProto(proto.GetMessageType(i));
+ }
+
+ for (int i = 0; i < enumTypes.Count; i++)
+ {
+ enumTypes[i].ReplaceProto(proto.GetEnumType(i));
+ }
+
+ for (int i = 0; i < services.Count; i++)
+ {
+ services[i].ReplaceProto(proto.GetService(i));
+ }
+
+ for (int i = 0; i < extensions.Count; i++)
+ {
+ extensions[i].ReplaceProto(proto.GetExtension(i));
+ }
+ }
+ }
} \ No newline at end of file