| //===-- GlobPattern.h - glob pattern matcher implementation -*- C++ -*-----===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements a glob pattern matcher. The glob pattern is the |
| // rule used by the shell. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_SUPPORT_GLOB_PATTERN_H |
| #define LLVM_SUPPORT_GLOB_PATTERN_H |
| |
| #include "llvm/ADT/BitVector.h" |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/ADT/StringRef.h" |
| #include "llvm/Support/Error.h" |
| #include <vector> |
| |
| // This class represents a glob pattern. Supported metacharacters |
| // are "*", "?", "[<chars>]" and "[^<chars>]". |
| namespace llvm { |
| class BitVector; |
| template <typename T> class ArrayRef; |
| |
| class GlobPattern { |
| public: |
| static Expected<GlobPattern> create(StringRef Pat); |
| bool match(StringRef S) const; |
| |
| private: |
| bool matchOne(ArrayRef<BitVector> Pat, StringRef S) const; |
| |
| // Parsed glob pattern. |
| std::vector<BitVector> Tokens; |
| |
| // The following members are for optimization. |
| Optional<StringRef> Exact; |
| Optional<StringRef> Prefix; |
| Optional<StringRef> Suffix; |
| }; |
| } |
| |
| #endif // LLVM_SUPPORT_GLOB_PATTERN_H |