1 //===--- GlobList.h ---------------------------------------------*- 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_GLOBLIST_H
10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GLOBLIST_H
11 
12 #include "clang/Basic/LLVM.h"
13 #include "llvm/ADT/SmallVector.h"
14 #include "llvm/ADT/StringRef.h"
15 #include "llvm/Support/Regex.h"
16 
17 namespace clang {
18 namespace tidy {
19 
20 /// Read-only set of strings represented as a list of positive and negative
21 /// globs.
22 ///
23 /// Positive globs add all matched strings to the set, negative globs remove
24 /// them in the order of appearance in the list.
25 class GlobList {
26 public:
27   /// \p Globs is a comma-separated list of globs (only the '*' metacharacter is
28   /// supported) with an optional '-' prefix to denote exclusion.
29   ///
30   /// An empty \p Globs string is interpreted as one glob that matches an empty
31   /// string.
32   GlobList(StringRef Globs);
33 
34   /// Returns \c true if the pattern matches \p S. The result is the last
35   /// matching glob's Positive flag.
36   bool contains(StringRef S) const;
37 
38 private:
39 
40   struct GlobListItem {
41     bool IsPositive;
42     llvm::Regex Regex;
43   };
44   SmallVector<GlobListItem, 0> Items;
45 };
46 
47 } // end namespace tidy
48 } // end namespace clang
49 
50 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GLOBLIST_H
51