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Diffstat (limited to 'clang-r344140b/include/llvm/Support/GlobPattern.h')
| -rw-r--r-- | clang-r344140b/include/llvm/Support/GlobPattern.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/clang-r344140b/include/llvm/Support/GlobPattern.h b/clang-r344140b/include/llvm/Support/GlobPattern.h new file mode 100644 index 00000000..c9436a13 --- /dev/null +++ b/clang-r344140b/include/llvm/Support/GlobPattern.h @@ -0,0 +1,48 @@ +//===-- 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 |
