| 1 | //===-- OptionsUtils.cpp - clang-tidy -------------------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "OptionsUtils.h" |
| 10 | #include "llvm/ADT/StringExtras.h" |
| 11 | |
| 12 | namespace clang::tidy::utils::options { |
| 13 | |
| 14 | static const char StringsDelimiter[] = ";"; |
| 15 | |
| 16 | std::vector<StringRef> parseStringList(StringRef Option) { |
| 17 | Option = Option.trim().trim(Chars: StringsDelimiter); |
| 18 | if (Option.empty()) |
| 19 | return {}; |
| 20 | std::vector<StringRef> Result; |
| 21 | Result.reserve(n: Option.count(Str: StringsDelimiter) + 1); |
| 22 | StringRef Cur; |
| 23 | while (std::tie(args&: Cur, args&: Option) = Option.split(Separator: StringsDelimiter), |
| 24 | !Option.empty()) { |
| 25 | Cur = Cur.trim(); |
| 26 | if (!Cur.empty()) |
| 27 | Result.push_back(x: Cur); |
| 28 | } |
| 29 | Cur = Cur.trim(); |
| 30 | if (!Cur.empty()) |
| 31 | Result.push_back(x: Cur); |
| 32 | return Result; |
| 33 | } |
| 34 | |
| 35 | std::vector<StringRef> parseListPair(StringRef L, StringRef R) { |
| 36 | L = L.trim().trim(Chars: StringsDelimiter); |
| 37 | if (L.empty()) |
| 38 | return parseStringList(Option: R); |
| 39 | R = R.trim().trim(Chars: StringsDelimiter); |
| 40 | if (R.empty()) |
| 41 | return parseStringList(Option: L); |
| 42 | std::vector<StringRef> Result; |
| 43 | Result.reserve(n: 2 + L.count(Str: StringsDelimiter) + R.count(Str: StringsDelimiter)); |
| 44 | for (StringRef Option : {L, R}) { |
| 45 | StringRef Cur; |
| 46 | while (std::tie(args&: Cur, args&: Option) = Option.split(Separator: StringsDelimiter), |
| 47 | !Option.empty()) { |
| 48 | Cur = Cur.trim(); |
| 49 | if (!Cur.empty()) |
| 50 | Result.push_back(x: Cur); |
| 51 | } |
| 52 | Cur = Cur.trim(); |
| 53 | if (!Cur.empty()) |
| 54 | Result.push_back(x: Cur); |
| 55 | } |
| 56 | return Result; |
| 57 | } |
| 58 | |
| 59 | std::string serializeStringList(ArrayRef<StringRef> Strings) { |
| 60 | return llvm::join(R&: Strings, Separator: StringsDelimiter); |
| 61 | } |
| 62 | |
| 63 | } // namespace clang::tidy::utils::options |
| 64 |