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 <__config>
  14
  15 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  16 #  pragma GCC system_header
  17 #endif
  18
  19 #if _LIBCPP_STD_VER >= 17
  20
  21 _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
  22
  23 enum class perm_options : unsigned char { replace = 1, add = 2, remove = 4, nofollow = 8 };
  24
  25 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator&(perm_options __lhs, perm_options __rhs) {
  26   return static_cast<perm_options>(static_cast<unsigned>(__lhs) & static_cast<unsigned>(__rhs));
  27 }
  28
  29 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator|(perm_options __lhs, perm_options __rhs) {
  30   return static_cast<perm_options>(static_cast<unsigned>(__lhs) | static_cast<unsigned>(__rhs));
  31 }
  32
  33 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator^(perm_options __lhs, perm_options __rhs) {
  34   return static_cast<perm_options>(static_cast<unsigned>(__lhs) ^ static_cast<unsigned>(__rhs));
  35 }
  36
  37 _LIBCPP_HIDE_FROM_ABI inline constexpr perm_options operator~(perm_options __lhs) {
  38   return static_cast<perm_options>(~static_cast<unsigned>(__lhs));
  39 }
  40
  41 _LIBCPP_HIDE_FROM_ABI inline perm_options& operator&=(perm_options& __lhs, perm_options __rhs) {
  42   return __lhs = __lhs & __rhs;
  43 }
  44
  45 _LIBCPP_HIDE_FROM_ABI inline perm_options& operator|=(perm_options& __lhs, perm_options __rhs) {
  46   return __lhs = __lhs | __rhs;
  47 }
  48
  49 _LIBCPP_HIDE_FROM_ABI inline perm_options& operator^=(perm_options& __lhs, perm_options __rhs) {
  50   return __lhs = __lhs ^ __rhs;
  51 }
  52
  53 _LIBCPP_END_NAMESPACE_FILESYSTEM
  54
  55 #endif // _LIBCPP_STD_VER >= 17
  56
  57 #endif // _LIBCPP___FILESYSTEM_PERM_OPTIONS_H