#region Copyright notice and license // Copyright 2018 gRPC authors. // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #endregion using System; using System.IO; using System.Runtime.CompilerServices; using System.Runtime.InteropServices; using System.Security; using Grpc.Core.Internal; namespace Grpc.Tools { // Metadata names (MSBuild item attributes) that we refer to often. static class Metadata { // On output dependency lists. public static string Source = "Source"; // On Protobuf items. public static string ProtoRoot = "ProtoRoot"; public static string OutputDir = "OutputDir"; public static string GrpcServices = "GrpcServices"; public static string GrpcOutputDir = "GrpcOutputDir"; }; // A few flags used to control the behavior under various platforms. internal static class Platform { public static readonly CommonPlatformDetection.OSKind Os = CommonPlatformDetection.GetOSKind(); public static readonly CommonPlatformDetection.CpuArchitecture Cpu = CommonPlatformDetection.GetProcessArchitecture(); // This is not necessarily true, but good enough. BCL lacks a per-FS // API to determine file case sensitivity. public static bool IsFsCaseInsensitive => Os == CommonPlatformDetection.OSKind.Windows; public static bool IsWindows => Os == CommonPlatformDetection.OSKind.Windows; }; // Exception handling helpers. static class Exceptions { // Returns true iff the exception indicates an error from an I/O call. See // https://github.com/Microsoft/msbuild/blob/v15.4.8.50001/src/Shared/ExceptionHandling.cs#L101 static public bool IsIoRelated(Exception ex) => ex is IOException || (ex is ArgumentException && !(ex is ArgumentNullException)) || ex is SecurityException || ex is UnauthorizedAccessException || ex is NotSupportedException; }; // String helpers. static class Strings { // Compare string to argument using OrdinalIgnoreCase comparison. public static bool EqualNoCase(this string a, string b) => string.Equals(a, b, StringComparison.OrdinalIgnoreCase); } }