clang-tools-extra/clang-tidy/modernize/UseStartsEndsWithCheck.h

//===--- UseStartsEndsWithCheck.h - clang-tidy ------------------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H

#include "../ClangTidyCheck.h"

namespace clang::tidy::modernize {

/// Checks whether a ``find`` or ``rfind`` result is compared with 0 and
/// suggests replacing with ``starts_with`` when the method exists in the class.
/// Notably, this will work with ``std::string`` and ``std::string_view``.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-starts-ends-with.html
class UseStartsEndsWithCheck : public ClangTidyCheck {
public:
  UseStartsEndsWithCheck(StringRef Name, ClangTidyContext *Context);
  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
    return LangOpts.CPlusPlus;
  }
  std::optional<TraversalKind> getCheckTraversalKind() const override {
    return TK_IgnoreUnlessSpelledInSource;
  }
};

} // namespace clang::tidy::modernize

#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H