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Diffstat (limited to 'csharp/src/Google.Protobuf/Reflection/TypeRegistry.cs')
| -rw-r--r-- | csharp/src/Google.Protobuf/Reflection/TypeRegistry.cs | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/csharp/src/Google.Protobuf/Reflection/TypeRegistry.cs b/csharp/src/Google.Protobuf/Reflection/TypeRegistry.cs deleted file mode 100644 index e94e3e6c..00000000 --- a/csharp/src/Google.Protobuf/Reflection/TypeRegistry.cs +++ /dev/null @@ -1,183 +0,0 @@ -#region Copyright notice and license -// Protocol Buffers - Google's data interchange format -// Copyright 2015 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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 System.Linq; - -namespace Google.Protobuf.Reflection -{ - /// <summary> - /// An immutable registry of types which can be looked up by their full name. - /// </summary> - public sealed class TypeRegistry - { - /// <summary> - /// An empty type registry, containing no types. - /// </summary> - public static TypeRegistry Empty { get; } = new TypeRegistry(new Dictionary<string, MessageDescriptor>()); - - private readonly Dictionary<string, MessageDescriptor> fullNameToMessageMap; - - private TypeRegistry(Dictionary<string, MessageDescriptor> fullNameToMessageMap) - { - this.fullNameToMessageMap = fullNameToMessageMap; - } - - /// <summary> - /// Attempts to find a message descriptor by its full name. - /// </summary> - /// <param name="fullName">The full name of the message, which is the dot-separated - /// combination of package, containing messages and message name</param> - /// <returns>The message descriptor corresponding to <paramref name="fullName"/> or null - /// if there is no such message descriptor.</returns> - public MessageDescriptor Find(string fullName) - { - MessageDescriptor ret; - // Ignore the return value as ret will end up with the right value either way. - fullNameToMessageMap.TryGetValue(fullName, out ret); - return ret; - } - - /// <summary> - /// Creates a type registry from the specified set of file descriptors. - /// </summary> - /// <remarks> - /// This is a convenience overload for <see cref="FromFiles(IEnumerable{FileDescriptor})"/> - /// to allow calls such as <c>TypeRegistry.FromFiles(descriptor1, descriptor2)</c>. - /// </remarks> - /// <param name="fileDescriptors">The set of files to include in the registry. Must not contain null values.</param> - /// <returns>A type registry for the given files.</returns> - public static TypeRegistry FromFiles(params FileDescriptor[] fileDescriptors) - { - return FromFiles((IEnumerable<FileDescriptor>) fileDescriptors); - } - - /// <summary> - /// Creates a type registry from the specified set of file descriptors. - /// </summary> - /// <remarks> - /// All message types within all the specified files are added to the registry, and - /// the dependencies of the specified files are also added, recursively. - /// </remarks> - /// <param name="fileDescriptors">The set of files to include in the registry. Must not contain null values.</param> - /// <returns>A type registry for the given files.</returns> - public static TypeRegistry FromFiles(IEnumerable<FileDescriptor> fileDescriptors) - { - ProtoPreconditions.CheckNotNull(fileDescriptors, nameof(fileDescriptors)); - var builder = new Builder(); - foreach (var file in fileDescriptors) - { - builder.AddFile(file); - } - return builder.Build(); - } - - /// <summary> - /// Creates a type registry from the file descriptor parents of the specified set of message descriptors. - /// </summary> - /// <remarks> - /// This is a convenience overload for <see cref="FromMessages(IEnumerable{MessageDescriptor})"/> - /// to allow calls such as <c>TypeRegistry.FromFiles(descriptor1, descriptor2)</c>. - /// </remarks> - /// <param name="messageDescriptors">The set of message descriptors to use to identify file descriptors to include in the registry. - /// Must not contain null values.</param> - /// <returns>A type registry for the given files.</returns> - public static TypeRegistry FromMessages(params MessageDescriptor[] messageDescriptors) - { - return FromMessages((IEnumerable<MessageDescriptor>) messageDescriptors); - } - - /// <summary> - /// Creates a type registry from the file descriptor parents of the specified set of message descriptors. - /// </summary> - /// <remarks> - /// The specified message descriptors are only used to identify their file descriptors; the returned registry - /// contains all the types within the file descriptors which contain the specified message descriptors (and - /// the dependencies of those files), not just the specified messages. - /// </remarks> - /// <param name="messageDescriptors">The set of message descriptors to use to identify file descriptors to include in the registry. - /// Must not contain null values.</param> - /// <returns>A type registry for the given files.</returns> - public static TypeRegistry FromMessages(IEnumerable<MessageDescriptor> messageDescriptors) - { - ProtoPreconditions.CheckNotNull(messageDescriptors, nameof(messageDescriptors)); - return FromFiles(messageDescriptors.Select(md => md.File)); - } - - /// <summary> - /// Builder class which isn't exposed, but acts as a convenient alternative to passing round two dictionaries in recursive calls. - /// </summary> - private class Builder - { - private readonly Dictionary<string, MessageDescriptor> types; - private readonly HashSet<string> fileDescriptorNames; - - internal Builder() - { - types = new Dictionary<string, MessageDescriptor>(); - fileDescriptorNames = new HashSet<string>(); - } - - internal void AddFile(FileDescriptor fileDescriptor) - { - if (!fileDescriptorNames.Add(fileDescriptor.Name)) - { - return; - } - foreach (var dependency in fileDescriptor.Dependencies) - { - AddFile(dependency); - } - foreach (var message in fileDescriptor.MessageTypes) - { - AddMessage(message); - } - } - - private void AddMessage(MessageDescriptor messageDescriptor) - { - foreach (var nestedType in messageDescriptor.NestedTypes) - { - AddMessage(nestedType); - } - // This will overwrite any previous entry. Given that each file should - // only be added once, this could be a problem such as package A.B with type C, - // and package A with type B.C... it's unclear what we should do in that case. - types[messageDescriptor.FullName] = messageDescriptor; - } - - internal TypeRegistry Build() - { - return new TypeRegistry(types); - } - } - } -} |