Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/clang-tools-extra/clang-tidy/utils/OptionsUtils.cpp

@@ -0,0 +1,38 @@
+//===--- DanglingHandleCheck.cpp - clang-tidy------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "OptionsUtils.h"
+
+namespace clang {
+namespace tidy {
+namespace utils {
+namespace options {
+
+static const char StringsDelimiter[] = ";";
+
+std::vector<std::string> parseStringList(StringRef Option) {
+  SmallVector<StringRef, 4> Names;
+  Option.split(Names, StringsDelimiter);
+  std::vector<std::string> Result;
+  for (StringRef &Name : Names) {
+    Name = Name.trim();
+    if (!Name.empty())
+      Result.push_back(Name);
+  }
+  return Result;
+}
+
+std::string serializeStringList(ArrayRef<std::string> Strings) {
+  return llvm::join(Strings.begin(), Strings.end(), StringsDelimiter);
+}
+
+} // namespace options
+} // namespace utils
+} // namespace tidy
+} // namespace clang