perm_options.h 2.2 KB

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  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. #ifndef _LIBCPP___FILESYSTEM_PERM_OPTIONS_H
  10. #define _LIBCPP___FILESYSTEM_PERM_OPTIONS_H
  11. #include <__availability>
  12. #include <__config>
  13. #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  14. # pragma GCC system_header
  15. #endif
  16. #ifndef _LIBCPP_CXX03_LANG
  17. _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
  18. _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH
  19. enum class _LIBCPP_ENUM_VIS perm_options : unsigned char {
  20. replace = 1,
  21. add = 2,
  22. remove = 4,
  23. nofollow = 8
  24. };
  25. _LIBCPP_INLINE_VISIBILITY
  26. inline constexpr perm_options operator&(perm_options _LHS, perm_options _RHS) {
  27. return static_cast<perm_options>(static_cast<unsigned>(_LHS) &
  28. static_cast<unsigned>(_RHS));
  29. }
  30. _LIBCPP_INLINE_VISIBILITY
  31. inline constexpr perm_options operator|(perm_options _LHS, perm_options _RHS) {
  32. return static_cast<perm_options>(static_cast<unsigned>(_LHS) |
  33. static_cast<unsigned>(_RHS));
  34. }
  35. _LIBCPP_INLINE_VISIBILITY
  36. inline constexpr perm_options operator^(perm_options _LHS, perm_options _RHS) {
  37. return static_cast<perm_options>(static_cast<unsigned>(_LHS) ^
  38. static_cast<unsigned>(_RHS));
  39. }
  40. _LIBCPP_INLINE_VISIBILITY
  41. inline constexpr perm_options operator~(perm_options _LHS) {
  42. return static_cast<perm_options>(~static_cast<unsigned>(_LHS));
  43. }
  44. _LIBCPP_INLINE_VISIBILITY
  45. inline perm_options& operator&=(perm_options& _LHS, perm_options _RHS) {
  46. return _LHS = _LHS & _RHS;
  47. }
  48. _LIBCPP_INLINE_VISIBILITY
  49. inline perm_options& operator|=(perm_options& _LHS, perm_options _RHS) {
  50. return _LHS = _LHS | _RHS;
  51. }
  52. _LIBCPP_INLINE_VISIBILITY
  53. inline perm_options& operator^=(perm_options& _LHS, perm_options _RHS) {
  54. return _LHS = _LHS ^ _RHS;
  55. }
  56. _LIBCPP_AVAILABILITY_FILESYSTEM_POP
  57. _LIBCPP_END_NAMESPACE_FILESYSTEM
  58. #endif // _LIBCPP_CXX03_LANG
  59. #endif // _LIBCPP___FILESYSTEM_PERM_OPTIONS_H