libcxx/include/__filesystem/directory_options.h

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef _LIBCPP___FILESYSTEM_DIRECTORY_OPTIONS_H
  11 #define _LIBCPP___FILESYSTEM_DIRECTORY_OPTIONS_H
  12
  13 #include <__availability>
  14 #include <__config>
  15
  16 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  17 #  pragma GCC system_header
  18 #endif
  19
  20 #ifndef _LIBCPP_CXX03_LANG
  21
  22 _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
  23
  24 enum class directory_options : unsigned char {
  25   none = 0,
  26   follow_directory_symlink = 1,
  27   skip_permission_denied = 2
  28 };
  29
  30 _LIBCPP_INLINE_VISIBILITY
  31 inline constexpr directory_options operator&(directory_options __lhs,
  32                                              directory_options __rhs) {
  33   return static_cast<directory_options>(static_cast<unsigned char>(__lhs) &
  34                                         static_cast<unsigned char>(__rhs));
  35 }
  36
  37 _LIBCPP_INLINE_VISIBILITY
  38 inline constexpr directory_options operator|(directory_options __lhs,
  39                                              directory_options __rhs) {
  40   return static_cast<directory_options>(static_cast<unsigned char>(__lhs) |
  41                                         static_cast<unsigned char>(__rhs));
  42 }
  43
  44 _LIBCPP_INLINE_VISIBILITY
  45 inline constexpr directory_options operator^(directory_options __lhs,
  46                                              directory_options __rhs) {
  47   return static_cast<directory_options>(static_cast<unsigned char>(__lhs) ^
  48                                         static_cast<unsigned char>(__rhs));
  49 }
  50
  51 _LIBCPP_INLINE_VISIBILITY
  52 inline constexpr directory_options operator~(directory_options __lhs) {
  53   return static_cast<directory_options>(~static_cast<unsigned char>(__lhs));
  54 }
  55
  56 _LIBCPP_INLINE_VISIBILITY
  57 inline directory_options& operator&=(directory_options& __lhs,
  58                                      directory_options __rhs) {
  59   return __lhs = __lhs & __rhs;
  60 }
  61
  62 _LIBCPP_INLINE_VISIBILITY
  63 inline directory_options& operator|=(directory_options& __lhs,
  64                                      directory_options __rhs) {
  65   return __lhs = __lhs | __rhs;
  66 }
  67
  68 _LIBCPP_INLINE_VISIBILITY
  69 inline directory_options& operator^=(directory_options& __lhs,
  70                                      directory_options __rhs) {
  71   return __lhs = __lhs ^ __rhs;
  72 }
  73
  74 _LIBCPP_END_NAMESPACE_FILESYSTEM
  75
  76 #endif // _LIBCPP_CXX03_LANG
  77
  78 #endif // _LIBCPP___FILESYSTEM_DIRECTORY_OPTIONS_H