Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/clang-tools-extra/clang-tidy-vs/ClangTidy/Utility.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace LLVM.ClangTidy
+{
+    static class Utility
+    {
+        public static IEnumerable<string> SplitPath(string FileOrDir)
+        {
+            string P = Path.GetDirectoryName(FileOrDir);
+            do
+            {
+                yield return P;
+                P = Path.GetDirectoryName(P);
+            } while (P != null);
+        }
+
+        public static bool HasClangTidyFile(string Folder)
+        {
+            string ClangTidy = Path.Combine(Folder, ".clang-tidy");
+            return File.Exists(ClangTidy);
+        }
+
+        public static bool MatchWildcardString(string Value, string Pattern)
+        {
+            string RE = Regex.Escape(Pattern).Replace(@"\*", ".*");
+            return Regex.IsMatch(Value, RE);
+        }
+    }
+}