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//===-- OptionsUtils.cpp - clang-tidy -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "OptionsUtils.h"
#include "llvm/ADT/StringExtras.h"
namespace clang::tidy::utils::options {
static const char StringsDelimiter[] = ";";
std::vector<StringRef> parseStringList(StringRef Option) {
Option = Option.trim().trim(StringsDelimiter);
if (Option.empty())
return {};
std::vector<StringRef> Result;
Result.reserve(Option.count(StringsDelimiter) + 1);
StringRef Cur;
while (std::tie(Cur, Option) = Option.split(StringsDelimiter),
!Option.empty()) {
Cur = Cur.trim();
if (!Cur.empty())
Result.push_back(Cur);
}
Cur = Cur.trim();
if (!Cur.empty())
Result.push_back(Cur);
return Result;
}
std::vector<StringRef> parseListPair(StringRef L, StringRef R) {
L = L.trim().trim(StringsDelimiter);
if (L.empty())
return parseStringList(R);
R = R.trim().trim(StringsDelimiter);
if (R.empty())
return parseStringList(L);
std::vector<StringRef> Result;
Result.reserve(2 + L.count(StringsDelimiter) + R.count(StringsDelimiter));
for (StringRef Option : {L, R}) {
StringRef Cur;
while (std::tie(Cur, Option) = Option.split(StringsDelimiter),
!Option.empty()) {
Cur = Cur.trim();
if (!Cur.empty())
Result.push_back(Cur);
}
Cur = Cur.trim();
if (!Cur.empty())
Result.push_back(Cur);
}
return Result;
}
std::string serializeStringList(ArrayRef<StringRef> Strings) {
return llvm::join(Strings, StringsDelimiter);
}
} // namespace clang::tidy::utils::options
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