| #region Copyright notice and license |
| // Copyright 2015, Google Inc. |
| // All rights reserved. |
| // |
| // 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 Grpc.Core.Utils; |
| using Google.Protobuf.Reflection; |
| |
| namespace Grpc.Reflection |
| { |
| /// <summary>Registry of protobuf symbols</summary> |
| public class SymbolRegistry |
| { |
| private readonly Dictionary<string, FileDescriptor> filesByName; |
| private readonly Dictionary<string, FileDescriptor> filesBySymbol; |
| |
| private SymbolRegistry(Dictionary<string, FileDescriptor> filesByName, Dictionary<string, FileDescriptor> filesBySymbol) |
| { |
| this.filesByName = new Dictionary<string, FileDescriptor>(filesByName); |
| this.filesBySymbol = new Dictionary<string, FileDescriptor>(filesBySymbol); |
| } |
| |
| /// <summary> |
| /// Creates a symbol registry from the specified set of file descriptors. |
| /// </summary> |
| /// <param name="fileDescriptors">The set of files to include in the registry. Must not contain null values.</param> |
| /// <returns>A symbol registry for the given files.</returns> |
| public static SymbolRegistry FromFiles(IEnumerable<FileDescriptor> fileDescriptors) |
| { |
| GrpcPreconditions.CheckNotNull(fileDescriptors); |
| var builder = new Builder(); |
| foreach (var file in fileDescriptors) |
| { |
| builder.AddFile(file); |
| } |
| return builder.Build(); |
| } |
| |
| /// <summary> |
| /// Gets file descriptor for given file name (including package path). Returns <c>null</c> if not found. |
| /// </summary> |
| public FileDescriptor FileByName(string filename) |
| { |
| FileDescriptor file; |
| filesByName.TryGetValue(filename, out file); |
| return file; |
| } |
| |
| /// <summary> |
| /// Gets file descriptor that contains definition of given symbol full name (including package path). Returns <c>null</c> if not found. |
| /// </summary> |
| public FileDescriptor FileContainingSymbol(string symbol) |
| { |
| FileDescriptor file; |
| filesBySymbol.TryGetValue(symbol, out file); |
| return 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, FileDescriptor> filesByName; |
| private readonly Dictionary<string, FileDescriptor> filesBySymbol; |
| |
| |
| internal Builder() |
| { |
| filesByName = new Dictionary<string, FileDescriptor>(); |
| filesBySymbol = new Dictionary<string, FileDescriptor>(); |
| } |
| |
| internal void AddFile(FileDescriptor fileDescriptor) |
| { |
| if (filesByName.ContainsKey(fileDescriptor.Name)) |
| { |
| return; |
| } |
| filesByName.Add(fileDescriptor.Name, fileDescriptor); |
| |
| foreach (var dependency in fileDescriptor.Dependencies) |
| { |
| AddFile(dependency); |
| } |
| foreach (var enumeration in fileDescriptor.EnumTypes) |
| { |
| AddEnum(enumeration); |
| } |
| foreach (var message in fileDescriptor.MessageTypes) |
| { |
| AddMessage(message); |
| } |
| foreach (var service in fileDescriptor.Services) |
| { |
| AddService(service); |
| } |
| } |
| |
| private void AddEnum(EnumDescriptor enumDescriptor) |
| { |
| filesBySymbol[enumDescriptor.FullName] = enumDescriptor.File; |
| } |
| |
| private void AddMessage(MessageDescriptor messageDescriptor) |
| { |
| foreach (var nestedEnum in messageDescriptor.EnumTypes) |
| { |
| AddEnum(nestedEnum); |
| } |
| foreach (var nestedType in messageDescriptor.NestedTypes) |
| { |
| AddMessage(nestedType); |
| } |
| filesBySymbol[messageDescriptor.FullName] = messageDescriptor.File; |
| } |
| |
| private void AddService(ServiceDescriptor serviceDescriptor) |
| { |
| foreach (var method in serviceDescriptor.Methods) |
| { |
| filesBySymbol[method.FullName] = method.File; |
| } |
| filesBySymbol[serviceDescriptor.FullName] = serviceDescriptor.File; |
| } |
| |
| internal SymbolRegistry Build() |
| { |
| return new SymbolRegistry(filesByName, filesBySymbol); |
| } |
| } |
| } |
| } |