1 //===--- UseStartsEndsWithCheck.h - clang-tidy ------------------*- C++ -*-===//
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 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H
11 
12 #include "../ClangTidyCheck.h"
13 
14 namespace clang::tidy::modernize {
15 
16 /// Checks whether a ``find`` or ``rfind`` result is compared with 0 and
17 /// suggests replacing with ``starts_with`` when the method exists in the class.
18 /// Notably, this will work with ``std::string`` and ``std::string_view``.
19 ///
20 /// For the user-facing documentation see:
21 /// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-starts-ends-with.html
22 class UseStartsEndsWithCheck : public ClangTidyCheck {
23 public:
24   UseStartsEndsWithCheck(StringRef Name, ClangTidyContext *Context);
25   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
26   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
isLanguageVersionSupported(const LangOptions & LangOpts)27   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
28     return LangOpts.CPlusPlus;
29   }
getCheckTraversalKind()30   std::optional<TraversalKind> getCheckTraversalKind() const override {
31     return TK_IgnoreUnlessSpelledInSource;
32   }
33 };
34 
35 } // namespace clang::tidy::modernize
36 
37 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTARTSENDSWITHCHECK_H
38