libcxx/include/__filesystem/perm_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_PERM_OPTIONS_H
  11 #define _LIBCPP___FILESYSTEM_PERM_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 perm_options : unsigned char {
  25   replace = 1,
  26   add = 2,
  27   remove = 4,
  28   nofollow = 8
  29 };
  30
  31 _LIBCPP_INLINE_VISIBILITY
  32 inline constexpr perm_options operator&(perm_options __lhs, perm_options __rhs) {
  33   return static_cast<perm_options>(static_cast<unsigned>(__lhs) &
  34                                    static_cast<unsigned>(__rhs));
  35 }
  36
  37 _LIBCPP_INLINE_VISIBILITY
  38 inline constexpr perm_options operator|(perm_options __lhs, perm_options __rhs) {
  39   return static_cast<perm_options>(static_cast<unsigned>(__lhs) |
  40                                    static_cast<unsigned>(__rhs));
  41 }
  42
  43 _LIBCPP_INLINE_VISIBILITY
  44 inline constexpr perm_options operator^(perm_options __lhs, perm_options __rhs) {
  45   return static_cast<perm_options>(static_cast<unsigned>(__lhs) ^
  46                                    static_cast<unsigned>(__rhs));
  47 }
  48
  49 _LIBCPP_INLINE_VISIBILITY
  50 inline constexpr perm_options operator~(perm_options __lhs) {
  51   return static_cast<perm_options>(~static_cast<unsigned>(__lhs));
  52 }
  53
  54 _LIBCPP_INLINE_VISIBILITY
  55 inline perm_options& operator&=(perm_options& __lhs, perm_options __rhs) {
  56   return __lhs = __lhs & __rhs;
  57 }
  58
  59 _LIBCPP_INLINE_VISIBILITY
  60 inline perm_options& operator|=(perm_options& __lhs, perm_options __rhs) {
  61   return __lhs = __lhs | __rhs;
  62 }
  63
  64 _LIBCPP_INLINE_VISIBILITY
  65 inline perm_options& operator^=(perm_options& __lhs, perm_options __rhs) {
  66   return __lhs = __lhs ^ __rhs;
  67 }
  68
  69 _LIBCPP_END_NAMESPACE_FILESYSTEM
  70
  71 #endif // _LIBCPP_CXX03_LANG
  72
  73 #endif // _LIBCPP___FILESYSTEM_PERM_OPTIONS_H