| // -*- C++ -*- |
| //===--------------------------- filesystem -------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| #ifndef _LIBCPP_FILESYSTEM |
| #define _LIBCPP_FILESYSTEM |
| /* |
| filesystem synopsis |
| |
| namespace std { namespace filesystem { |
| |
| class path; |
| |
| void swap(path& lhs, path& rhs) noexcept; |
| size_t hash_value(const path& p) noexcept; |
| |
| bool operator==(const path& lhs, const path& rhs) noexcept; |
| bool operator!=(const path& lhs, const path& rhs) noexcept; |
| bool operator< (const path& lhs, const path& rhs) noexcept; |
| bool operator<=(const path& lhs, const path& rhs) noexcept; |
| bool operator> (const path& lhs, const path& rhs) noexcept; |
| bool operator>=(const path& lhs, const path& rhs) noexcept; |
| |
| path operator/ (const path& lhs, const path& rhs); |
| |
| // fs.path.io operators are friends of path. |
| template <class charT, class traits> |
| friend basic_ostream<charT, traits>& |
| operator<<(basic_ostream<charT, traits>& os, const path& p); |
| |
| template <class charT, class traits> |
| friend basic_istream<charT, traits>& |
| operator>>(basic_istream<charT, traits>& is, path& p); |
| |
| template <class Source> |
| path u8path(const Source& source); |
| template <class InputIterator> |
| path u8path(InputIterator first, InputIterator last); |
| |
| class filesystem_error; |
| class directory_entry; |
| |
| class directory_iterator; |
| |
| // enable directory_iterator range-based for statements |
| directory_iterator begin(directory_iterator iter) noexcept; |
| directory_iterator end(const directory_iterator&) noexcept; |
| |
| class recursive_directory_iterator; |
| |
| // enable recursive_directory_iterator range-based for statements |
| recursive_directory_iterator begin(recursive_directory_iterator iter) noexcept; |
| recursive_directory_iterator end(const recursive_directory_iterator&) noexcept; |
| |
| class file_status; |
| |
| struct space_info |
| { |
| uintmax_t capacity; |
| uintmax_t free; |
| uintmax_t available; |
| }; |
| |
| enum class file_type; |
| enum class perms; |
| enum class perm_options; |
| enum class copy_options; |
| enum class directory_options; |
| |
| typedef chrono::time_point<trivial-clock> file_time_type; |
| |
| // operational functions |
| |
| path absolute(const path& p); |
| path absolute(const path& p, error_code &ec); |
| |
| path canonical(const path& p); |
| path canonical(const path& p, error_code& ec); |
| |
| void copy(const path& from, const path& to); |
| void copy(const path& from, const path& to, error_code& ec); |
| void copy(const path& from, const path& to, copy_options options); |
| void copy(const path& from, const path& to, copy_options options, |
| error_code& ec); |
| |
| bool copy_file(const path& from, const path& to); |
| bool copy_file(const path& from, const path& to, error_code& ec); |
| bool copy_file(const path& from, const path& to, copy_options option); |
| bool copy_file(const path& from, const path& to, copy_options option, |
| error_code& ec); |
| |
| void copy_symlink(const path& existing_symlink, const path& new_symlink); |
| void copy_symlink(const path& existing_symlink, const path& new_symlink, |
| error_code& ec) noexcept; |
| |
| bool create_directories(const path& p); |
| bool create_directories(const path& p, error_code& ec); |
| |
| bool create_directory(const path& p); |
| bool create_directory(const path& p, error_code& ec) noexcept; |
| |
| bool create_directory(const path& p, const path& attributes); |
| bool create_directory(const path& p, const path& attributes, |
| error_code& ec) noexcept; |
| |
| void create_directory_symlink(const path& to, const path& new_symlink); |
| void create_directory_symlink(const path& to, const path& new_symlink, |
| error_code& ec) noexcept; |
| |
| void create_hard_link(const path& to, const path& new_hard_link); |
| void create_hard_link(const path& to, const path& new_hard_link, |
| error_code& ec) noexcept; |
| |
| void create_symlink(const path& to, const path& new_symlink); |
| void create_symlink(const path& to, const path& new_symlink, |
| error_code& ec) noexcept; |
| |
| path current_path(); |
| path current_path(error_code& ec); |
| void current_path(const path& p); |
| void current_path(const path& p, error_code& ec) noexcept; |
| |
| bool exists(file_status s) noexcept; |
| bool exists(const path& p); |
| bool exists(const path& p, error_code& ec) noexcept; |
| |
| bool equivalent(const path& p1, const path& p2); |
| bool equivalent(const path& p1, const path& p2, error_code& ec) noexcept; |
| |
| uintmax_t file_size(const path& p); |
| uintmax_t file_size(const path& p, error_code& ec) noexcept; |
| |
| uintmax_t hard_link_count(const path& p); |
| uintmax_t hard_link_count(const path& p, error_code& ec) noexcept; |
| |
| bool is_block_file(file_status s) noexcept; |
| bool is_block_file(const path& p); |
| bool is_block_file(const path& p, error_code& ec) noexcept; |
| |
| bool is_character_file(file_status s) noexcept; |
| bool is_character_file(const path& p); |
| bool is_character_file(const path& p, error_code& ec) noexcept; |
| |
| bool is_directory(file_status s) noexcept; |
| bool is_directory(const path& p); |
| bool is_directory(const path& p, error_code& ec) noexcept; |
| |
| bool is_empty(const path& p); |
| bool is_empty(const path& p, error_code& ec) noexcept; |
| |
| bool is_fifo(file_status s) noexcept; |
| bool is_fifo(const path& p); |
| bool is_fifo(const path& p, error_code& ec) noexcept; |
| |
| bool is_other(file_status s) noexcept; |
| bool is_other(const path& p); |
| bool is_other(const path& p, error_code& ec) noexcept; |
| |
| bool is_regular_file(file_status s) noexcept; |
| bool is_regular_file(const path& p); |
| bool is_regular_file(const path& p, error_code& ec) noexcept; |
| |
| bool is_socket(file_status s) noexcept; |
| bool is_socket(const path& p); |
| bool is_socket(const path& p, error_code& ec) noexcept; |
| |
| bool is_symlink(file_status s) noexcept; |
| bool is_symlink(const path& p); |
| bool is_symlink(const path& p, error_code& ec) noexcept; |
| |
| file_time_type last_write_time(const path& p); |
| file_time_type last_write_time(const path& p, error_code& ec) noexcept; |
| void last_write_time(const path& p, file_time_type new_time); |
| void last_write_time(const path& p, file_time_type new_time, |
| error_code& ec) noexcept; |
| |
| void permissions(const path& p, perms prms, |
| perm_options opts=perm_options::replace); |
| void permissions(const path& p, perms prms, error_code& ec) noexcept; |
| void permissions(const path& p, perms prms, perm_options opts, |
| error_code& ec); |
| |
| path proximate(const path& p, error_code& ec); |
| path proximate(const path& p, const path& base = current_path()); |
| path proximate(const path& p, const path& base, error_code &ec); |
| |
| path read_symlink(const path& p); |
| path read_symlink(const path& p, error_code& ec); |
| |
| path relative(const path& p, error_code& ec); |
| path relative(const path& p, const path& base=current_path()); |
| path relative(const path& p, const path& base, error_code& ec); |
| |
| bool remove(const path& p); |
| bool remove(const path& p, error_code& ec) noexcept; |
| |
| uintmax_t remove_all(const path& p); |
| uintmax_t remove_all(const path& p, error_code& ec); |
| |
| void rename(const path& from, const path& to); |
| void rename(const path& from, const path& to, error_code& ec) noexcept; |
| |
| void resize_file(const path& p, uintmax_t size); |
| void resize_file(const path& p, uintmax_t size, error_code& ec) noexcept; |
| |
| space_info space(const path& p); |
| space_info space(const path& p, error_code& ec) noexcept; |
| |
| file_status status(const path& p); |
| file_status status(const path& p, error_code& ec) noexcept; |
| |
| bool status_known(file_status s) noexcept; |
| |
| file_status symlink_status(const path& p); |
| file_status symlink_status(const path& p, error_code& ec) noexcept; |
| |
| path temp_directory_path(); |
| path temp_directory_path(error_code& ec); |
| |
| path weakly_canonical(path const& p); |
| path weakly_canonical(path const& p, error_code& ec); |
| |
| |
| } } // namespaces std::filesystem |
| |
| */ |
| |
| #include <__availability> |
| #include <__config> |
| #include <__debug> |
| #include <__utility/forward.h> |
| #include <chrono> |
| #include <compare> |
| #include <cstddef> |
| #include <cstdlib> |
| #include <iosfwd> |
| #include <iterator> |
| #include <memory> |
| #include <stack> |
| #include <string> |
| #include <string_view> |
| #include <system_error> |
| #include <utility> |
| #include <version> |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| # include <locale> |
| # include <iomanip> // for quoted |
| #endif |
| |
| #if defined(_LIBCPP_HAS_NO_FILESYSTEM_LIBRARY) |
| # error "The Filesystem library is not supported by this configuration of libc++" |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM |
| |
| _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH |
| |
| typedef chrono::time_point<_FilesystemClock> file_time_type; |
| |
| struct _LIBCPP_TYPE_VIS space_info { |
| uintmax_t capacity; |
| uintmax_t free; |
| uintmax_t available; |
| }; |
| |
| // On Windows, the library never identifies files as block, character, fifo |
| // or socket. |
| enum class _LIBCPP_ENUM_VIS file_type : signed char { |
| none = 0, |
| not_found = -1, |
| regular = 1, |
| directory = 2, |
| symlink = 3, |
| block = 4, |
| character = 5, |
| fifo = 6, |
| socket = 7, |
| unknown = 8 |
| }; |
| |
| // On Windows, these permission bits map to one single readonly flag per |
| // file, and the executable bit is always returned as set. When setting |
| // permissions, as long as the write bit is set for either owner, group or |
| // others, the readonly flag is cleared. |
| enum class _LIBCPP_ENUM_VIS perms : unsigned { |
| none = 0, |
| |
| owner_read = 0400, |
| owner_write = 0200, |
| owner_exec = 0100, |
| owner_all = 0700, |
| |
| group_read = 040, |
| group_write = 020, |
| group_exec = 010, |
| group_all = 070, |
| |
| others_read = 04, |
| others_write = 02, |
| others_exec = 01, |
| others_all = 07, |
| |
| all = 0777, |
| |
| set_uid = 04000, |
| set_gid = 02000, |
| sticky_bit = 01000, |
| mask = 07777, |
| unknown = 0xFFFF, |
| }; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perms operator&(perms _LHS, perms _RHS) { |
| return static_cast<perms>(static_cast<unsigned>(_LHS) & |
| static_cast<unsigned>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perms operator|(perms _LHS, perms _RHS) { |
| return static_cast<perms>(static_cast<unsigned>(_LHS) | |
| static_cast<unsigned>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perms operator^(perms _LHS, perms _RHS) { |
| return static_cast<perms>(static_cast<unsigned>(_LHS) ^ |
| static_cast<unsigned>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perms operator~(perms _LHS) { |
| return static_cast<perms>(~static_cast<unsigned>(_LHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline perms& operator&=(perms& _LHS, perms _RHS) { return _LHS = _LHS & _RHS; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline perms& operator|=(perms& _LHS, perms _RHS) { return _LHS = _LHS | _RHS; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline perms& operator^=(perms& _LHS, perms _RHS) { return _LHS = _LHS ^ _RHS; } |
| |
| enum class _LIBCPP_ENUM_VIS perm_options : unsigned char { |
| replace = 1, |
| add = 2, |
| remove = 4, |
| nofollow = 8 |
| }; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perm_options operator&(perm_options _LHS, perm_options _RHS) { |
| return static_cast<perm_options>(static_cast<unsigned>(_LHS) & |
| static_cast<unsigned>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perm_options operator|(perm_options _LHS, perm_options _RHS) { |
| return static_cast<perm_options>(static_cast<unsigned>(_LHS) | |
| static_cast<unsigned>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perm_options operator^(perm_options _LHS, perm_options _RHS) { |
| return static_cast<perm_options>(static_cast<unsigned>(_LHS) ^ |
| static_cast<unsigned>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr perm_options operator~(perm_options _LHS) { |
| return static_cast<perm_options>(~static_cast<unsigned>(_LHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline perm_options& operator&=(perm_options& _LHS, perm_options _RHS) { |
| return _LHS = _LHS & _RHS; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline perm_options& operator|=(perm_options& _LHS, perm_options _RHS) { |
| return _LHS = _LHS | _RHS; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline perm_options& operator^=(perm_options& _LHS, perm_options _RHS) { |
| return _LHS = _LHS ^ _RHS; |
| } |
| |
| enum class _LIBCPP_ENUM_VIS copy_options : unsigned short { |
| none = 0, |
| skip_existing = 1, |
| overwrite_existing = 2, |
| update_existing = 4, |
| recursive = 8, |
| copy_symlinks = 16, |
| skip_symlinks = 32, |
| directories_only = 64, |
| create_symlinks = 128, |
| create_hard_links = 256, |
| __in_recursive_copy = 512, |
| }; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr copy_options operator&(copy_options _LHS, copy_options _RHS) { |
| return static_cast<copy_options>(static_cast<unsigned short>(_LHS) & |
| static_cast<unsigned short>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr copy_options operator|(copy_options _LHS, copy_options _RHS) { |
| return static_cast<copy_options>(static_cast<unsigned short>(_LHS) | |
| static_cast<unsigned short>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr copy_options operator^(copy_options _LHS, copy_options _RHS) { |
| return static_cast<copy_options>(static_cast<unsigned short>(_LHS) ^ |
| static_cast<unsigned short>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr copy_options operator~(copy_options _LHS) { |
| return static_cast<copy_options>(~static_cast<unsigned short>(_LHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline copy_options& operator&=(copy_options& _LHS, copy_options _RHS) { |
| return _LHS = _LHS & _RHS; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline copy_options& operator|=(copy_options& _LHS, copy_options _RHS) { |
| return _LHS = _LHS | _RHS; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline copy_options& operator^=(copy_options& _LHS, copy_options _RHS) { |
| return _LHS = _LHS ^ _RHS; |
| } |
| |
| enum class _LIBCPP_ENUM_VIS directory_options : unsigned char { |
| none = 0, |
| follow_directory_symlink = 1, |
| skip_permission_denied = 2 |
| }; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr directory_options operator&(directory_options _LHS, |
| directory_options _RHS) { |
| return static_cast<directory_options>(static_cast<unsigned char>(_LHS) & |
| static_cast<unsigned char>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr directory_options operator|(directory_options _LHS, |
| directory_options _RHS) { |
| return static_cast<directory_options>(static_cast<unsigned char>(_LHS) | |
| static_cast<unsigned char>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr directory_options operator^(directory_options _LHS, |
| directory_options _RHS) { |
| return static_cast<directory_options>(static_cast<unsigned char>(_LHS) ^ |
| static_cast<unsigned char>(_RHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline constexpr directory_options operator~(directory_options _LHS) { |
| return static_cast<directory_options>(~static_cast<unsigned char>(_LHS)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline directory_options& operator&=(directory_options& _LHS, |
| directory_options _RHS) { |
| return _LHS = _LHS & _RHS; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline directory_options& operator|=(directory_options& _LHS, |
| directory_options _RHS) { |
| return _LHS = _LHS | _RHS; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline directory_options& operator^=(directory_options& _LHS, |
| directory_options _RHS) { |
| return _LHS = _LHS ^ _RHS; |
| } |
| |
| class _LIBCPP_TYPE_VIS file_status { |
| public: |
| // constructors |
| _LIBCPP_INLINE_VISIBILITY |
| file_status() noexcept : file_status(file_type::none) {} |
| _LIBCPP_INLINE_VISIBILITY |
| explicit file_status(file_type __ft, perms __prms = perms::unknown) noexcept |
| : __ft_(__ft), |
| __prms_(__prms) {} |
| |
| file_status(const file_status&) noexcept = default; |
| file_status(file_status&&) noexcept = default; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| ~file_status() {} |
| |
| file_status& operator=(const file_status&) noexcept = default; |
| file_status& operator=(file_status&&) noexcept = default; |
| |
| // observers |
| _LIBCPP_INLINE_VISIBILITY |
| file_type type() const noexcept { return __ft_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| perms permissions() const noexcept { return __prms_; } |
| |
| // modifiers |
| _LIBCPP_INLINE_VISIBILITY |
| void type(file_type __ft) noexcept { __ft_ = __ft; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void permissions(perms __p) noexcept { __prms_ = __p; } |
| |
| private: |
| file_type __ft_; |
| perms __prms_; |
| }; |
| |
| class _LIBCPP_TYPE_VIS directory_entry; |
| |
| template <class _Tp> |
| struct __can_convert_char { |
| static const bool value = false; |
| }; |
| template <class _Tp> |
| struct __can_convert_char<const _Tp> : public __can_convert_char<_Tp> {}; |
| template <> |
| struct __can_convert_char<char> { |
| static const bool value = true; |
| using __char_type = char; |
| }; |
| template <> |
| struct __can_convert_char<wchar_t> { |
| static const bool value = true; |
| using __char_type = wchar_t; |
| }; |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| template <> |
| struct __can_convert_char<char8_t> { |
| static const bool value = true; |
| using __char_type = char8_t; |
| }; |
| #endif |
| template <> |
| struct __can_convert_char<char16_t> { |
| static const bool value = true; |
| using __char_type = char16_t; |
| }; |
| template <> |
| struct __can_convert_char<char32_t> { |
| static const bool value = true; |
| using __char_type = char32_t; |
| }; |
| |
| template <class _ECharT> |
| typename enable_if<__can_convert_char<_ECharT>::value, bool>::type |
| __is_separator(_ECharT __e) { |
| #if defined(_LIBCPP_WIN32API) |
| return __e == _ECharT('/') || __e == _ECharT('\\'); |
| #else |
| return __e == _ECharT('/'); |
| #endif |
| } |
| |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| typedef u8string __u8_string; |
| #else |
| typedef string __u8_string; |
| #endif |
| |
| struct _NullSentinel {}; |
| |
| template <class _Tp> |
| using _Void = void; |
| |
| template <class _Tp, class = void> |
| struct __is_pathable_string : public false_type {}; |
| |
| template <class _ECharT, class _Traits, class _Alloc> |
| struct __is_pathable_string< |
| basic_string<_ECharT, _Traits, _Alloc>, |
| _Void<typename __can_convert_char<_ECharT>::__char_type> > |
| : public __can_convert_char<_ECharT> { |
| using _Str = basic_string<_ECharT, _Traits, _Alloc>; |
| using _Base = __can_convert_char<_ECharT>; |
| static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); } |
| static _ECharT const* __range_end(_Str const& __s) { |
| return __s.data() + __s.length(); |
| } |
| static _ECharT __first_or_null(_Str const& __s) { |
| return __s.empty() ? _ECharT{} : __s[0]; |
| } |
| }; |
| |
| template <class _ECharT, class _Traits> |
| struct __is_pathable_string< |
| basic_string_view<_ECharT, _Traits>, |
| _Void<typename __can_convert_char<_ECharT>::__char_type> > |
| : public __can_convert_char<_ECharT> { |
| using _Str = basic_string_view<_ECharT, _Traits>; |
| using _Base = __can_convert_char<_ECharT>; |
| static _ECharT const* __range_begin(_Str const& __s) { return __s.data(); } |
| static _ECharT const* __range_end(_Str const& __s) { |
| return __s.data() + __s.length(); |
| } |
| static _ECharT __first_or_null(_Str const& __s) { |
| return __s.empty() ? _ECharT{} : __s[0]; |
| } |
| }; |
| |
| template <class _Source, class _DS = typename decay<_Source>::type, |
| class _UnqualPtrType = |
| typename remove_const<typename remove_pointer<_DS>::type>::type, |
| bool _IsCharPtr = is_pointer<_DS>::value&& |
| __can_convert_char<_UnqualPtrType>::value> |
| struct __is_pathable_char_array : false_type {}; |
| |
| template <class _Source, class _ECharT, class _UPtr> |
| struct __is_pathable_char_array<_Source, _ECharT*, _UPtr, true> |
| : __can_convert_char<typename remove_const<_ECharT>::type> { |
| using _Base = __can_convert_char<typename remove_const<_ECharT>::type>; |
| |
| static _ECharT const* __range_begin(const _ECharT* __b) { return __b; } |
| static _ECharT const* __range_end(const _ECharT* __b) { |
| using _Iter = const _ECharT*; |
| const _ECharT __sentinel = _ECharT{}; |
| _Iter __e = __b; |
| for (; *__e != __sentinel; ++__e) |
| ; |
| return __e; |
| } |
| |
| static _ECharT __first_or_null(const _ECharT* __b) { return *__b; } |
| }; |
| |
| template <class _Iter, bool _IsIt = __is_cpp17_input_iterator<_Iter>::value, |
| class = void> |
| struct __is_pathable_iter : false_type {}; |
| |
| template <class _Iter> |
| struct __is_pathable_iter< |
| _Iter, true, |
| _Void<typename __can_convert_char< |
| typename iterator_traits<_Iter>::value_type>::__char_type> > |
| : __can_convert_char<typename iterator_traits<_Iter>::value_type> { |
| using _ECharT = typename iterator_traits<_Iter>::value_type; |
| using _Base = __can_convert_char<_ECharT>; |
| |
| static _Iter __range_begin(_Iter __b) { return __b; } |
| static _NullSentinel __range_end(_Iter) { return _NullSentinel{}; } |
| |
| static _ECharT __first_or_null(_Iter __b) { return *__b; } |
| }; |
| |
| template <class _Tp, bool _IsStringT = __is_pathable_string<_Tp>::value, |
| bool _IsCharIterT = __is_pathable_char_array<_Tp>::value, |
| bool _IsIterT = !_IsCharIterT && __is_pathable_iter<_Tp>::value> |
| struct __is_pathable : false_type { |
| static_assert(!_IsStringT && !_IsCharIterT && !_IsIterT, "Must all be false"); |
| }; |
| |
| template <class _Tp> |
| struct __is_pathable<_Tp, true, false, false> : __is_pathable_string<_Tp> {}; |
| |
| template <class _Tp> |
| struct __is_pathable<_Tp, false, true, false> : __is_pathable_char_array<_Tp> { |
| }; |
| |
| template <class _Tp> |
| struct __is_pathable<_Tp, false, false, true> : __is_pathable_iter<_Tp> {}; |
| |
| #if defined(_LIBCPP_WIN32API) |
| typedef wstring __path_string; |
| typedef wchar_t __path_value; |
| #else |
| typedef string __path_string; |
| typedef char __path_value; |
| #endif |
| |
| #if defined(_LIBCPP_WIN32API) |
| _LIBCPP_FUNC_VIS |
| size_t __wide_to_char(const wstring&, char*, size_t); |
| _LIBCPP_FUNC_VIS |
| size_t __char_to_wide(const string&, wchar_t*, size_t); |
| #endif |
| |
| template <class _ECharT> |
| struct _PathCVT; |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| template <class _ECharT> |
| struct _PathCVT { |
| static_assert(__can_convert_char<_ECharT>::value, |
| "Char type not convertible"); |
| |
| typedef __narrow_to_utf8<sizeof(_ECharT) * __CHAR_BIT__> _Narrower; |
| #if defined(_LIBCPP_WIN32API) |
| typedef __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__> _Widener; |
| #endif |
| |
| static void __append_range(__path_string& __dest, _ECharT const* __b, |
| _ECharT const* __e) { |
| #if defined(_LIBCPP_WIN32API) |
| string __utf8; |
| _Narrower()(back_inserter(__utf8), __b, __e); |
| _Widener()(back_inserter(__dest), __utf8.data(), __utf8.data() + __utf8.size()); |
| #else |
| _Narrower()(back_inserter(__dest), __b, __e); |
| #endif |
| } |
| |
| template <class _Iter> |
| static void __append_range(__path_string& __dest, _Iter __b, _Iter __e) { |
| static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload"); |
| if (__b == __e) |
| return; |
| basic_string<_ECharT> __tmp(__b, __e); |
| #if defined(_LIBCPP_WIN32API) |
| string __utf8; |
| _Narrower()(back_inserter(__utf8), __tmp.data(), |
| __tmp.data() + __tmp.length()); |
| _Widener()(back_inserter(__dest), __utf8.data(), __utf8.data() + __utf8.size()); |
| #else |
| _Narrower()(back_inserter(__dest), __tmp.data(), |
| __tmp.data() + __tmp.length()); |
| #endif |
| } |
| |
| template <class _Iter> |
| static void __append_range(__path_string& __dest, _Iter __b, _NullSentinel) { |
| static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload"); |
| const _ECharT __sentinel = _ECharT{}; |
| if (*__b == __sentinel) |
| return; |
| basic_string<_ECharT> __tmp; |
| for (; *__b != __sentinel; ++__b) |
| __tmp.push_back(*__b); |
| #if defined(_LIBCPP_WIN32API) |
| string __utf8; |
| _Narrower()(back_inserter(__utf8), __tmp.data(), |
| __tmp.data() + __tmp.length()); |
| _Widener()(back_inserter(__dest), __utf8.data(), __utf8.data() + __utf8.size()); |
| #else |
| _Narrower()(back_inserter(__dest), __tmp.data(), |
| __tmp.data() + __tmp.length()); |
| #endif |
| } |
| |
| template <class _Source> |
| static void __append_source(__path_string& __dest, _Source const& __s) { |
| using _Traits = __is_pathable<_Source>; |
| __append_range(__dest, _Traits::__range_begin(__s), |
| _Traits::__range_end(__s)); |
| } |
| }; |
| #endif // !_LIBCPP_HAS_NO_LOCALIZATION |
| |
| template <> |
| struct _PathCVT<__path_value> { |
| |
| template <class _Iter> |
| static typename enable_if<__is_exactly_cpp17_input_iterator<_Iter>::value>::type |
| __append_range(__path_string& __dest, _Iter __b, _Iter __e) { |
| for (; __b != __e; ++__b) |
| __dest.push_back(*__b); |
| } |
| |
| template <class _Iter> |
| static typename enable_if<__is_cpp17_forward_iterator<_Iter>::value>::type |
| __append_range(__path_string& __dest, _Iter __b, _Iter __e) { |
| __dest.append(__b, __e); |
| } |
| |
| template <class _Iter> |
| static void __append_range(__path_string& __dest, _Iter __b, _NullSentinel) { |
| const char __sentinel = char{}; |
| for (; *__b != __sentinel; ++__b) |
| __dest.push_back(*__b); |
| } |
| |
| template <class _Source> |
| static void __append_source(__path_string& __dest, _Source const& __s) { |
| using _Traits = __is_pathable<_Source>; |
| __append_range(__dest, _Traits::__range_begin(__s), |
| _Traits::__range_end(__s)); |
| } |
| }; |
| |
| #if defined(_LIBCPP_WIN32API) |
| template <> |
| struct _PathCVT<char> { |
| |
| static void |
| __append_string(__path_string& __dest, const basic_string<char> &__str) { |
| size_t __size = __char_to_wide(__str, nullptr, 0); |
| size_t __pos = __dest.size(); |
| __dest.resize(__pos + __size); |
| __char_to_wide(__str, const_cast<__path_value*>(__dest.data()) + __pos, __size); |
| } |
| |
| template <class _Iter> |
| static typename enable_if<__is_exactly_cpp17_input_iterator<_Iter>::value>::type |
| __append_range(__path_string& __dest, _Iter __b, _Iter __e) { |
| basic_string<char> __tmp(__b, __e); |
| __append_string(__dest, __tmp); |
| } |
| |
| template <class _Iter> |
| static typename enable_if<__is_cpp17_forward_iterator<_Iter>::value>::type |
| __append_range(__path_string& __dest, _Iter __b, _Iter __e) { |
| basic_string<char> __tmp(__b, __e); |
| __append_string(__dest, __tmp); |
| } |
| |
| template <class _Iter> |
| static void __append_range(__path_string& __dest, _Iter __b, _NullSentinel) { |
| const char __sentinel = char{}; |
| basic_string<char> __tmp; |
| for (; *__b != __sentinel; ++__b) |
| __tmp.push_back(*__b); |
| __append_string(__dest, __tmp); |
| } |
| |
| template <class _Source> |
| static void __append_source(__path_string& __dest, _Source const& __s) { |
| using _Traits = __is_pathable<_Source>; |
| __append_range(__dest, _Traits::__range_begin(__s), |
| _Traits::__range_end(__s)); |
| } |
| }; |
| |
| template <class _ECharT> |
| struct _PathExport { |
| typedef __narrow_to_utf8<sizeof(wchar_t) * __CHAR_BIT__> _Narrower; |
| typedef __widen_from_utf8<sizeof(_ECharT) * __CHAR_BIT__> _Widener; |
| |
| template <class _Str> |
| static void __append(_Str& __dest, const __path_string& __src) { |
| string __utf8; |
| _Narrower()(back_inserter(__utf8), __src.data(), __src.data() + __src.size()); |
| _Widener()(back_inserter(__dest), __utf8.data(), __utf8.data() + __utf8.size()); |
| } |
| }; |
| |
| template <> |
| struct _PathExport<char> { |
| template <class _Str> |
| static void __append(_Str& __dest, const __path_string& __src) { |
| size_t __size = __wide_to_char(__src, nullptr, 0); |
| size_t __pos = __dest.size(); |
| __dest.resize(__size); |
| __wide_to_char(__src, const_cast<char*>(__dest.data()) + __pos, __size); |
| } |
| }; |
| |
| template <> |
| struct _PathExport<wchar_t> { |
| template <class _Str> |
| static void __append(_Str& __dest, const __path_string& __src) { |
| __dest.append(__src.begin(), __src.end()); |
| } |
| }; |
| |
| template <> |
| struct _PathExport<char16_t> { |
| template <class _Str> |
| static void __append(_Str& __dest, const __path_string& __src) { |
| __dest.append(__src.begin(), __src.end()); |
| } |
| }; |
| |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| template <> |
| struct _PathExport<char8_t> { |
| typedef __narrow_to_utf8<sizeof(wchar_t) * __CHAR_BIT__> _Narrower; |
| |
| template <class _Str> |
| static void __append(_Str& __dest, const __path_string& __src) { |
| _Narrower()(back_inserter(__dest), __src.data(), __src.data() + __src.size()); |
| } |
| }; |
| #endif /* !_LIBCPP_HAS_NO_CHAR8_T */ |
| #endif /* _LIBCPP_WIN32API */ |
| |
| class _LIBCPP_TYPE_VIS path { |
| template <class _SourceOrIter, class _Tp = path&> |
| using _EnableIfPathable = |
| typename enable_if<__is_pathable<_SourceOrIter>::value, _Tp>::type; |
| |
| template <class _Tp> |
| using _SourceChar = typename __is_pathable<_Tp>::__char_type; |
| |
| template <class _Tp> |
| using _SourceCVT = _PathCVT<_SourceChar<_Tp> >; |
| |
| public: |
| #if defined(_LIBCPP_WIN32API) |
| typedef wchar_t value_type; |
| static constexpr value_type preferred_separator = L'\\'; |
| #else |
| typedef char value_type; |
| static constexpr value_type preferred_separator = '/'; |
| #endif |
| typedef basic_string<value_type> string_type; |
| typedef basic_string_view<value_type> __string_view; |
| |
| enum _LIBCPP_ENUM_VIS format : unsigned char { |
| auto_format, |
| native_format, |
| generic_format |
| }; |
| |
| // constructors and destructor |
| _LIBCPP_INLINE_VISIBILITY path() noexcept {} |
| _LIBCPP_INLINE_VISIBILITY path(const path& __p) : __pn_(__p.__pn_) {} |
| _LIBCPP_INLINE_VISIBILITY path(path&& __p) noexcept |
| : __pn_(_VSTD::move(__p.__pn_)) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path(string_type&& __s, format = format::auto_format) noexcept |
| : __pn_(_VSTD::move(__s)) {} |
| |
| template <class _Source, class = _EnableIfPathable<_Source, void> > |
| path(const _Source& __src, format = format::auto_format) { |
| _SourceCVT<_Source>::__append_source(__pn_, __src); |
| } |
| |
| template <class _InputIt> |
| path(_InputIt __first, _InputIt __last, format = format::auto_format) { |
| typedef typename iterator_traits<_InputIt>::value_type _ItVal; |
| _PathCVT<_ItVal>::__append_range(__pn_, __first, __last); |
| } |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| // TODO Implement locale conversions. |
| template <class _Source, class = _EnableIfPathable<_Source, void> > |
| path(const _Source& __src, const locale& __loc, format = format::auto_format); |
| template <class _InputIt> |
| path(_InputIt __first, _InputIt _last, const locale& __loc, |
| format = format::auto_format); |
| #endif |
| |
| _LIBCPP_INLINE_VISIBILITY |
| ~path() = default; |
| |
| // assignments |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator=(const path& __p) { |
| __pn_ = __p.__pn_; |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator=(path&& __p) noexcept { |
| __pn_ = _VSTD::move(__p.__pn_); |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator=(string_type&& __s) noexcept { |
| __pn_ = _VSTD::move(__s); |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& assign(string_type&& __s) noexcept { |
| __pn_ = _VSTD::move(__s); |
| return *this; |
| } |
| |
| template <class _Source> |
| _LIBCPP_INLINE_VISIBILITY _EnableIfPathable<_Source> |
| operator=(const _Source& __src) { |
| return this->assign(__src); |
| } |
| |
| template <class _Source> |
| _EnableIfPathable<_Source> assign(const _Source& __src) { |
| __pn_.clear(); |
| _SourceCVT<_Source>::__append_source(__pn_, __src); |
| return *this; |
| } |
| |
| template <class _InputIt> |
| path& assign(_InputIt __first, _InputIt __last) { |
| typedef typename iterator_traits<_InputIt>::value_type _ItVal; |
| __pn_.clear(); |
| _PathCVT<_ItVal>::__append_range(__pn_, __first, __last); |
| return *this; |
| } |
| |
| public: |
| // appends |
| #if defined(_LIBCPP_WIN32API) |
| path& operator/=(const path& __p) { |
| auto __p_root_name = __p.__root_name(); |
| auto __p_root_name_size = __p_root_name.size(); |
| if (__p.is_absolute() || |
| (!__p_root_name.empty() && __p_root_name != root_name())) { |
| __pn_ = __p.__pn_; |
| return *this; |
| } |
| if (__p.has_root_directory()) { |
| path __root_name_str = root_name(); |
| __pn_ = __root_name_str.native(); |
| __pn_ += __string_view(__p.__pn_).substr(__p_root_name_size); |
| return *this; |
| } |
| if (has_filename() || (!has_root_directory() && is_absolute())) |
| __pn_ += preferred_separator; |
| __pn_ += __string_view(__p.__pn_).substr(__p_root_name_size); |
| return *this; |
| } |
| template <class _Source> |
| _LIBCPP_INLINE_VISIBILITY _EnableIfPathable<_Source> |
| operator/=(const _Source& __src) { |
| return operator/=(path(__src)); |
| } |
| |
| template <class _Source> |
| _EnableIfPathable<_Source> append(const _Source& __src) { |
| return operator/=(path(__src)); |
| } |
| |
| template <class _InputIt> |
| path& append(_InputIt __first, _InputIt __last) { |
| return operator/=(path(__first, __last)); |
| } |
| #else |
| path& operator/=(const path& __p) { |
| if (__p.is_absolute()) { |
| __pn_ = __p.__pn_; |
| return *this; |
| } |
| if (has_filename()) |
| __pn_ += preferred_separator; |
| __pn_ += __p.native(); |
| return *this; |
| } |
| |
| // FIXME: Use _LIBCPP_DIAGNOSE_WARNING to produce a diagnostic when __src |
| // is known at compile time to be "/' since the user almost certainly intended |
| // to append a separator instead of overwriting the path with "/" |
| template <class _Source> |
| _LIBCPP_INLINE_VISIBILITY _EnableIfPathable<_Source> |
| operator/=(const _Source& __src) { |
| return this->append(__src); |
| } |
| |
| template <class _Source> |
| _EnableIfPathable<_Source> append(const _Source& __src) { |
| using _Traits = __is_pathable<_Source>; |
| using _CVT = _PathCVT<_SourceChar<_Source> >; |
| bool __source_is_absolute = __is_separator(_Traits::__first_or_null(__src)); |
| if (__source_is_absolute) |
| __pn_.clear(); |
| else if (has_filename()) |
| __pn_ += preferred_separator; |
| _CVT::__append_source(__pn_, __src); |
| return *this; |
| } |
| |
| template <class _InputIt> |
| path& append(_InputIt __first, _InputIt __last) { |
| typedef typename iterator_traits<_InputIt>::value_type _ItVal; |
| static_assert(__can_convert_char<_ItVal>::value, "Must convertible"); |
| using _CVT = _PathCVT<_ItVal>; |
| if (__first != __last && __is_separator(*__first)) |
| __pn_.clear(); |
| else if (has_filename()) |
| __pn_ += preferred_separator; |
| _CVT::__append_range(__pn_, __first, __last); |
| return *this; |
| } |
| #endif |
| |
| // concatenation |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator+=(const path& __x) { |
| __pn_ += __x.__pn_; |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator+=(const string_type& __x) { |
| __pn_ += __x; |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator+=(__string_view __x) { |
| __pn_ += __x; |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator+=(const value_type* __x) { |
| __pn_ += __x; |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& operator+=(value_type __x) { |
| __pn_ += __x; |
| return *this; |
| } |
| |
| template <class _ECharT> |
| typename enable_if<__can_convert_char<_ECharT>::value, path&>::type |
| operator+=(_ECharT __x) { |
| _PathCVT<_ECharT>::__append_source(__pn_, |
| basic_string_view<_ECharT>(&__x, 1)); |
| return *this; |
| } |
| |
| template <class _Source> |
| _EnableIfPathable<_Source> operator+=(const _Source& __x) { |
| return this->concat(__x); |
| } |
| |
| template <class _Source> |
| _EnableIfPathable<_Source> concat(const _Source& __x) { |
| _SourceCVT<_Source>::__append_source(__pn_, __x); |
| return *this; |
| } |
| |
| template <class _InputIt> |
| path& concat(_InputIt __first, _InputIt __last) { |
| typedef typename iterator_traits<_InputIt>::value_type _ItVal; |
| _PathCVT<_ItVal>::__append_range(__pn_, __first, __last); |
| return *this; |
| } |
| |
| // modifiers |
| _LIBCPP_INLINE_VISIBILITY |
| void clear() noexcept { __pn_.clear(); } |
| |
| path& make_preferred() { |
| #if defined(_LIBCPP_WIN32API) |
| _VSTD::replace(__pn_.begin(), __pn_.end(), L'/', L'\\'); |
| #endif |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| path& remove_filename() { |
| auto __fname = __filename(); |
| if (!__fname.empty()) |
| __pn_.erase(__fname.data() - __pn_.data()); |
| return *this; |
| } |
| |
| path& replace_filename(const path& __replacement) { |
| remove_filename(); |
| return (*this /= __replacement); |
| } |
| |
| path& replace_extension(const path& __replacement = path()); |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void swap(path& __rhs) noexcept { __pn_.swap(__rhs.__pn_); } |
| |
| // private helper to allow reserving memory in the path |
| _LIBCPP_INLINE_VISIBILITY |
| void __reserve(size_t __s) { __pn_.reserve(__s); } |
| |
| // native format observers |
| _LIBCPP_INLINE_VISIBILITY |
| const string_type& native() const noexcept { return __pn_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const value_type* c_str() const noexcept { return __pn_.c_str(); } |
| |
| _LIBCPP_INLINE_VISIBILITY operator string_type() const { return __pn_; } |
| |
| #if defined(_LIBCPP_WIN32API) |
| _LIBCPP_INLINE_VISIBILITY _VSTD::wstring wstring() const { return __pn_; } |
| |
| _VSTD::wstring generic_wstring() const { |
| _VSTD::wstring __s; |
| __s.resize(__pn_.size()); |
| _VSTD::replace_copy(__pn_.begin(), __pn_.end(), __s.begin(), '\\', '/'); |
| return __s; |
| } |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| template <class _ECharT, class _Traits = char_traits<_ECharT>, |
| class _Allocator = allocator<_ECharT> > |
| basic_string<_ECharT, _Traits, _Allocator> |
| string(const _Allocator& __a = _Allocator()) const { |
| using _Str = basic_string<_ECharT, _Traits, _Allocator>; |
| _Str __s(__a); |
| __s.reserve(__pn_.size()); |
| _PathExport<_ECharT>::__append(__s, __pn_); |
| return __s; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY _VSTD::string string() const { |
| return string<char>(); |
| } |
| _LIBCPP_INLINE_VISIBILITY __u8_string u8string() const { |
| using _CVT = __narrow_to_utf8<sizeof(wchar_t) * __CHAR_BIT__>; |
| __u8_string __s; |
| __s.reserve(__pn_.size()); |
| _CVT()(back_inserter(__s), __pn_.data(), __pn_.data() + __pn_.size()); |
| return __s; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY _VSTD::u16string u16string() const { |
| return string<char16_t>(); |
| } |
| _LIBCPP_INLINE_VISIBILITY _VSTD::u32string u32string() const { |
| return string<char32_t>(); |
| } |
| |
| // generic format observers |
| template <class _ECharT, class _Traits = char_traits<_ECharT>, |
| class _Allocator = allocator<_ECharT> > |
| basic_string<_ECharT, _Traits, _Allocator> |
| generic_string(const _Allocator& __a = _Allocator()) const { |
| using _Str = basic_string<_ECharT, _Traits, _Allocator>; |
| _Str __s = string<_ECharT, _Traits, _Allocator>(__a); |
| // Note: This (and generic_u8string below) is slightly suboptimal as |
| // it iterates twice over the string; once to convert it to the right |
| // character type, and once to replace path delimiters. |
| _VSTD::replace(__s.begin(), __s.end(), |
| static_cast<_ECharT>('\\'), static_cast<_ECharT>('/')); |
| return __s; |
| } |
| |
| _VSTD::string generic_string() const { return generic_string<char>(); } |
| _VSTD::u16string generic_u16string() const { return generic_string<char16_t>(); } |
| _VSTD::u32string generic_u32string() const { return generic_string<char32_t>(); } |
| __u8_string generic_u8string() const { |
| __u8_string __s = u8string(); |
| _VSTD::replace(__s.begin(), __s.end(), '\\', '/'); |
| return __s; |
| } |
| #endif /* !_LIBCPP_HAS_NO_LOCALIZATION */ |
| #else /* _LIBCPP_WIN32API */ |
| |
| _LIBCPP_INLINE_VISIBILITY _VSTD::string string() const { return __pn_; } |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| _LIBCPP_INLINE_VISIBILITY _VSTD::u8string u8string() const { return _VSTD::u8string(__pn_.begin(), __pn_.end()); } |
| #else |
| _LIBCPP_INLINE_VISIBILITY _VSTD::string u8string() const { return __pn_; } |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| template <class _ECharT, class _Traits = char_traits<_ECharT>, |
| class _Allocator = allocator<_ECharT> > |
| basic_string<_ECharT, _Traits, _Allocator> |
| string(const _Allocator& __a = _Allocator()) const { |
| using _CVT = __widen_from_utf8<sizeof(_ECharT) * __CHAR_BIT__>; |
| using _Str = basic_string<_ECharT, _Traits, _Allocator>; |
| _Str __s(__a); |
| __s.reserve(__pn_.size()); |
| _CVT()(back_inserter(__s), __pn_.data(), __pn_.data() + __pn_.size()); |
| return __s; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY _VSTD::wstring wstring() const { |
| return string<wchar_t>(); |
| } |
| _LIBCPP_INLINE_VISIBILITY _VSTD::u16string u16string() const { |
| return string<char16_t>(); |
| } |
| _LIBCPP_INLINE_VISIBILITY _VSTD::u32string u32string() const { |
| return string<char32_t>(); |
| } |
| #endif /* !_LIBCPP_HAS_NO_LOCALIZATION */ |
| |
| // generic format observers |
| _VSTD::string generic_string() const { return __pn_; } |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| _VSTD::u8string generic_u8string() const { return _VSTD::u8string(__pn_.begin(), __pn_.end()); } |
| #else |
| _VSTD::string generic_u8string() const { return __pn_; } |
| #endif |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| template <class _ECharT, class _Traits = char_traits<_ECharT>, |
| class _Allocator = allocator<_ECharT> > |
| basic_string<_ECharT, _Traits, _Allocator> |
| generic_string(const _Allocator& __a = _Allocator()) const { |
| return string<_ECharT, _Traits, _Allocator>(__a); |
| } |
| |
| _VSTD::wstring generic_wstring() const { return string<wchar_t>(); } |
| _VSTD::u16string generic_u16string() const { return string<char16_t>(); } |
| _VSTD::u32string generic_u32string() const { return string<char32_t>(); } |
| #endif /* !_LIBCPP_HAS_NO_LOCALIZATION */ |
| #endif /* !_LIBCPP_WIN32API */ |
| |
| private: |
| int __compare(__string_view) const; |
| __string_view __root_name() const; |
| __string_view __root_directory() const; |
| __string_view __root_path_raw() const; |
| __string_view __relative_path() const; |
| __string_view __parent_path() const; |
| __string_view __filename() const; |
| __string_view __stem() const; |
| __string_view __extension() const; |
| |
| public: |
| // compare |
| _LIBCPP_INLINE_VISIBILITY int compare(const path& __p) const noexcept { |
| return __compare(__p.__pn_); |
| } |
| _LIBCPP_INLINE_VISIBILITY int compare(const string_type& __s) const { |
| return __compare(__s); |
| } |
| _LIBCPP_INLINE_VISIBILITY int compare(__string_view __s) const { |
| return __compare(__s); |
| } |
| _LIBCPP_INLINE_VISIBILITY int compare(const value_type* __s) const { |
| return __compare(__s); |
| } |
| |
| // decomposition |
| _LIBCPP_INLINE_VISIBILITY path root_name() const { |
| return string_type(__root_name()); |
| } |
| _LIBCPP_INLINE_VISIBILITY path root_directory() const { |
| return string_type(__root_directory()); |
| } |
| _LIBCPP_INLINE_VISIBILITY path root_path() const { |
| #if defined(_LIBCPP_WIN32API) |
| return string_type(__root_path_raw()); |
| #else |
| return root_name().append(string_type(__root_directory())); |
| #endif |
| } |
| _LIBCPP_INLINE_VISIBILITY path relative_path() const { |
| return string_type(__relative_path()); |
| } |
| _LIBCPP_INLINE_VISIBILITY path parent_path() const { |
| return string_type(__parent_path()); |
| } |
| _LIBCPP_INLINE_VISIBILITY path filename() const { |
| return string_type(__filename()); |
| } |
| _LIBCPP_INLINE_VISIBILITY path stem() const { return string_type(__stem()); } |
| _LIBCPP_INLINE_VISIBILITY path extension() const { |
| return string_type(__extension()); |
| } |
| |
| // query |
| _LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY bool |
| empty() const noexcept { |
| return __pn_.empty(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY bool has_root_name() const { |
| return !__root_name().empty(); |
| } |
| _LIBCPP_INLINE_VISIBILITY bool has_root_directory() const { |
| return !__root_directory().empty(); |
| } |
| _LIBCPP_INLINE_VISIBILITY bool has_root_path() const { |
| return !__root_path_raw().empty(); |
| } |
| _LIBCPP_INLINE_VISIBILITY bool has_relative_path() const { |
| return !__relative_path().empty(); |
| } |
| _LIBCPP_INLINE_VISIBILITY bool has_parent_path() const { |
| return !__parent_path().empty(); |
| } |
| _LIBCPP_INLINE_VISIBILITY bool has_filename() const { |
| return !__filename().empty(); |
| } |
| _LIBCPP_INLINE_VISIBILITY bool has_stem() const { return !__stem().empty(); } |
| _LIBCPP_INLINE_VISIBILITY bool has_extension() const { |
| return !__extension().empty(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY bool is_absolute() const { |
| #if defined(_LIBCPP_WIN32API) |
| __string_view __root_name_str = __root_name(); |
| __string_view __root_dir = __root_directory(); |
| if (__root_name_str.size() == 2 && __root_name_str[1] == ':') { |
| // A drive letter with no root directory is relative, e.g. x:example. |
| return !__root_dir.empty(); |
| } |
| // If no root name, it's relative, e.g. \example is relative to the current drive |
| if (__root_name_str.empty()) |
| return false; |
| if (__root_name_str.size() < 3) |
| return false; |
| // A server root name, like \\server, is always absolute |
| if (__root_name_str[0] != '/' && __root_name_str[0] != '\\') |
| return false; |
| if (__root_name_str[1] != '/' && __root_name_str[1] != '\\') |
| return false; |
| // Seems to be a server root name |
| return true; |
| #else |
| return has_root_directory(); |
| #endif |
| } |
| _LIBCPP_INLINE_VISIBILITY bool is_relative() const { return !is_absolute(); } |
| |
| // relative paths |
| path lexically_normal() const; |
| path lexically_relative(const path& __base) const; |
| |
| _LIBCPP_INLINE_VISIBILITY path lexically_proximate(const path& __base) const { |
| path __result = this->lexically_relative(__base); |
| if (__result.native().empty()) |
| return *this; |
| return __result; |
| } |
| |
| // iterators |
| class _LIBCPP_TYPE_VIS iterator; |
| typedef iterator const_iterator; |
| |
| iterator begin() const; |
| iterator end() const; |
| |
| #if !defined(_LIBCPP_HAS_NO_LOCALIZATION) |
| template <class _CharT, class _Traits> |
| _LIBCPP_INLINE_VISIBILITY friend |
| typename enable_if<is_same<_CharT, value_type>::value && |
| is_same<_Traits, char_traits<value_type> >::value, |
| basic_ostream<_CharT, _Traits>&>::type |
| operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) { |
| __os << _VSTD::__quoted(__p.native()); |
| return __os; |
| } |
| |
| template <class _CharT, class _Traits> |
| _LIBCPP_INLINE_VISIBILITY friend |
| typename enable_if<!is_same<_CharT, value_type>::value || |
| !is_same<_Traits, char_traits<value_type> >::value, |
| basic_ostream<_CharT, _Traits>&>::type |
| operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) { |
| __os << _VSTD::__quoted(__p.string<_CharT, _Traits>()); |
| return __os; |
| } |
| |
| template <class _CharT, class _Traits> |
| _LIBCPP_INLINE_VISIBILITY friend basic_istream<_CharT, _Traits>& |
| operator>>(basic_istream<_CharT, _Traits>& __is, path& __p) { |
| basic_string<_CharT, _Traits> __tmp; |
| __is >> __quoted(__tmp); |
| __p = __tmp; |
| return __is; |
| } |
| #endif // !_LIBCPP_HAS_NO_LOCALIZATION |
| |
| friend _LIBCPP_INLINE_VISIBILITY bool operator==(const path& __lhs, const path& __rhs) noexcept { |
| return __lhs.compare(__rhs) == 0; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY bool operator!=(const path& __lhs, const path& __rhs) noexcept { |
| return __lhs.compare(__rhs) != 0; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY bool operator<(const path& __lhs, const path& __rhs) noexcept { |
| return __lhs.compare(__rhs) < 0; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY bool operator<=(const path& __lhs, const path& __rhs) noexcept { |
| return __lhs.compare(__rhs) <= 0; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY bool operator>(const path& __lhs, const path& __rhs) noexcept { |
| return __lhs.compare(__rhs) > 0; |
| } |
| friend _LIBCPP_INLINE_VISIBILITY bool operator>=(const path& __lhs, const path& __rhs) noexcept { |
| return __lhs.compare(__rhs) >= 0; |
| } |
| |
| friend _LIBCPP_INLINE_VISIBILITY path operator/(const path& __lhs, |
| const path& __rhs) { |
| path __result(__lhs); |
| __result /= __rhs; |
| return __result; |
| } |
| private: |
| inline _LIBCPP_INLINE_VISIBILITY path& |
| __assign_view(__string_view const& __s) noexcept { |
| __pn_ = string_type(__s); |
| return *this; |
| } |
| string_type __pn_; |
| }; |
| |
| inline _LIBCPP_INLINE_VISIBILITY void swap(path& __lhs, path& __rhs) noexcept { |
| __lhs.swap(__rhs); |
| } |
| |
| _LIBCPP_FUNC_VIS |
| size_t hash_value(const path& __p) noexcept; |
| |
| template <class _InputIt> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T |
| typename enable_if<__is_pathable<_InputIt>::value, path>::type |
| u8path(_InputIt __f, _InputIt __l) { |
| static_assert( |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value || |
| #endif |
| is_same<typename __is_pathable<_InputIt>::__char_type, char>::value, |
| "u8path(Iter, Iter) requires Iter have a value_type of type 'char'" |
| " or 'char8_t'"); |
| #if defined(_LIBCPP_WIN32API) |
| string __tmp(__f, __l); |
| using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>; |
| _VSTD::wstring __w; |
| __w.reserve(__tmp.size()); |
| _CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size()); |
| return path(__w); |
| #else |
| return path(__f, __l); |
| #endif /* !_LIBCPP_WIN32API */ |
| } |
| |
| #if defined(_LIBCPP_WIN32API) |
| template <class _InputIt> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T |
| typename enable_if<__is_pathable<_InputIt>::value, path>::type |
| u8path(_InputIt __f, _NullSentinel) { |
| static_assert( |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value || |
| #endif |
| is_same<typename __is_pathable<_InputIt>::__char_type, char>::value, |
| "u8path(Iter, Iter) requires Iter have a value_type of type 'char'" |
| " or 'char8_t'"); |
| string __tmp; |
| const char __sentinel = char{}; |
| for (; *__f != __sentinel; ++__f) |
| __tmp.push_back(*__f); |
| using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>; |
| _VSTD::wstring __w; |
| __w.reserve(__tmp.size()); |
| _CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size()); |
| return path(__w); |
| } |
| #endif /* _LIBCPP_WIN32API */ |
| |
| template <class _Source> |
| _LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T |
| typename enable_if<__is_pathable<_Source>::value, path>::type |
| u8path(const _Source& __s) { |
| static_assert( |
| #ifndef _LIBCPP_HAS_NO_CHAR8_T |
| is_same<typename __is_pathable<_Source>::__char_type, char8_t>::value || |
| #endif |
| is_same<typename __is_pathable<_Source>::__char_type, char>::value, |
| "u8path(Source const&) requires Source have a character type of type " |
| "'char' or 'char8_t'"); |
| #if defined(_LIBCPP_WIN32API) |
| using _Traits = __is_pathable<_Source>; |
| return u8path(_VSTD::__unwrap_iter(_Traits::__range_begin(__s)), _VSTD::__unwrap_iter(_Traits::__range_end(__s))); |
| #else |
| return path(__s); |
| #endif |
| } |
| |
| class _LIBCPP_TYPE_VIS path::iterator { |
| public: |
| enum _ParserState : unsigned char { |
| _Singular, |
| _BeforeBegin, |
| _InRootName, |
| _InRootDir, |
| _InFilenames, |
| _InTrailingSep, |
| _AtEnd |
| }; |
| |
| public: |
| typedef bidirectional_iterator_tag iterator_category; |
| |
| typedef path value_type; |
| typedef ptrdiff_t difference_type; |
| typedef const path* pointer; |
| typedef const path& reference; |
| |
| typedef void |
| __stashing_iterator_tag; // See reverse_iterator and __is_stashing_iterator |
| |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| iterator() |
| : __stashed_elem_(), __path_ptr_(nullptr), __entry_(), |
| __state_(_Singular) {} |
| |
| iterator(const iterator&) = default; |
| ~iterator() = default; |
| |
| iterator& operator=(const iterator&) = default; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reference operator*() const { return __stashed_elem_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| pointer operator->() const { return &__stashed_elem_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator& operator++() { |
| _LIBCPP_ASSERT(__state_ != _Singular, |
| "attempting to increment a singular iterator"); |
| _LIBCPP_ASSERT(__state_ != _AtEnd, |
| "attempting to increment the end iterator"); |
| return __increment(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator operator++(int) { |
| iterator __it(*this); |
| this->operator++(); |
| return __it; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator& operator--() { |
| _LIBCPP_ASSERT(__state_ != _Singular, |
| "attempting to decrement a singular iterator"); |
| _LIBCPP_ASSERT(__entry_.data() != __path_ptr_->native().data(), |
| "attempting to decrement the begin iterator"); |
| return __decrement(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator operator--(int) { |
| iterator __it(*this); |
| this->operator--(); |
| return __it; |
| } |
| |
| private: |
| friend class path; |
| |
| inline _LIBCPP_INLINE_VISIBILITY friend bool operator==(const iterator&, |
| const iterator&); |
| |
| iterator& __increment(); |
| iterator& __decrement(); |
| |
| path __stashed_elem_; |
| const path* __path_ptr_; |
| path::__string_view __entry_; |
| _ParserState __state_; |
| }; |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool operator==(const path::iterator& __lhs, |
| const path::iterator& __rhs) { |
| return __lhs.__path_ptr_ == __rhs.__path_ptr_ && |
| __lhs.__entry_.data() == __rhs.__entry_.data(); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool operator!=(const path::iterator& __lhs, |
| const path::iterator& __rhs) { |
| return !(__lhs == __rhs); |
| } |
| |
| // TODO(ldionne): We need to pop the pragma and push it again after |
| // filesystem_error to work around PR41078. |
| _LIBCPP_AVAILABILITY_FILESYSTEM_POP |
| |
| class _LIBCPP_AVAILABILITY_FILESYSTEM _LIBCPP_EXCEPTION_ABI filesystem_error : public system_error { |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| filesystem_error(const string& __what, error_code __ec) |
| : system_error(__ec, __what), |
| __storage_(make_shared<_Storage>(path(), path())) { |
| __create_what(0); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| filesystem_error(const string& __what, const path& __p1, error_code __ec) |
| : system_error(__ec, __what), |
| __storage_(make_shared<_Storage>(__p1, path())) { |
| __create_what(1); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| filesystem_error(const string& __what, const path& __p1, const path& __p2, |
| error_code __ec) |
| : system_error(__ec, __what), |
| __storage_(make_shared<_Storage>(__p1, __p2)) { |
| __create_what(2); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const path& path1() const noexcept { return __storage_->__p1_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const path& path2() const noexcept { return __storage_->__p2_; } |
| |
| filesystem_error(const filesystem_error&) = default; |
| ~filesystem_error() override; // key function |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const char* what() const noexcept override { |
| return __storage_->__what_.c_str(); |
| } |
| |
| void __create_what(int __num_paths); |
| |
| private: |
| struct _LIBCPP_HIDDEN _Storage { |
| _LIBCPP_INLINE_VISIBILITY |
| _Storage(const path& __p1, const path& __p2) : __p1_(__p1), __p2_(__p2) {} |
| |
| path __p1_; |
| path __p2_; |
| string __what_; |
| }; |
| shared_ptr<_Storage> __storage_; |
| }; |
| |
| _LIBCPP_AVAILABILITY_FILESYSTEM_PUSH |
| |
| template <class... _Args> |
| _LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY |
| #ifndef _LIBCPP_NO_EXCEPTIONS |
| void __throw_filesystem_error(_Args&&... __args) { |
| throw filesystem_error(_VSTD::forward<_Args>(__args)...); |
| } |
| #else |
| void __throw_filesystem_error(_Args&&...) { |
| _VSTD::abort(); |
| } |
| #endif |
| |
| // operational functions |
| |
| _LIBCPP_FUNC_VIS |
| path __absolute(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| path __canonical(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __copy(const path& __from, const path& __to, copy_options __opt, |
| error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __copy_file(const path& __from, const path& __to, copy_options __opt, |
| error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __copy_symlink(const path& __existing_symlink, const path& __new_symlink, |
| error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __create_directories(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __create_directory(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __create_directory(const path& p, const path& attributes, |
| error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __create_directory_symlink(const path& __to, const path& __new_symlink, |
| error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __create_hard_link(const path& __to, const path& __new_hard_link, |
| error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __create_symlink(const path& __to, const path& __new_symlink, |
| error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| path __current_path(error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __current_path(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __equivalent(const path&, const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| uintmax_t __file_size(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| uintmax_t __hard_link_count(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __fs_is_empty(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| file_time_type __last_write_time(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __last_write_time(const path& p, file_time_type new_time, |
| error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __permissions(const path&, perms, perm_options, error_code* = nullptr); |
| _LIBCPP_FUNC_VIS |
| path __read_symlink(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| bool __remove(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| uintmax_t __remove_all(const path& p, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __rename(const path& from, const path& to, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| void __resize_file(const path& p, uintmax_t size, error_code* ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| space_info __space(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| file_status __status(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| file_status __symlink_status(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| path __system_complete(const path&, error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| path __temp_directory_path(error_code* __ec = nullptr); |
| _LIBCPP_FUNC_VIS |
| path __weakly_canonical(path const& __p, error_code* __ec = nullptr); |
| |
| inline _LIBCPP_INLINE_VISIBILITY path current_path() { |
| return __current_path(); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path current_path(error_code& __ec) { |
| return __current_path(&__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void current_path(const path& __p) { |
| __current_path(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void current_path(const path& __p, |
| error_code& __ec) noexcept { |
| __current_path(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path absolute(const path& __p) { |
| return __absolute(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path absolute(const path& __p, |
| error_code& __ec) { |
| return __absolute(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path canonical(const path& __p) { |
| return __canonical(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path canonical(const path& __p, |
| error_code& __ec) { |
| return __canonical(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, |
| const path& __to) { |
| __copy(__from, __to, copy_options::none); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, const path& __to, |
| error_code& __ec) { |
| __copy(__from, __to, copy_options::none, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, const path& __to, |
| copy_options __opt) { |
| __copy(__from, __to, __opt); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void copy(const path& __from, const path& __to, |
| copy_options __opt, |
| error_code& __ec) { |
| __copy(__from, __to, __opt, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool copy_file(const path& __from, |
| const path& __to) { |
| return __copy_file(__from, __to, copy_options::none); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| copy_file(const path& __from, const path& __to, error_code& __ec) { |
| return __copy_file(__from, __to, copy_options::none, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| copy_file(const path& __from, const path& __to, copy_options __opt) { |
| return __copy_file(__from, __to, __opt); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool copy_file(const path& __from, |
| const path& __to, |
| copy_options __opt, |
| error_code& __ec) { |
| return __copy_file(__from, __to, __opt, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void copy_symlink(const path& __existing, |
| const path& __new) { |
| __copy_symlink(__existing, __new); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| copy_symlink(const path& __ext, const path& __new, error_code& __ec) noexcept { |
| __copy_symlink(__ext, __new, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool create_directories(const path& __p) { |
| return __create_directories(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool create_directories(const path& __p, |
| error_code& __ec) { |
| return __create_directories(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool create_directory(const path& __p) { |
| return __create_directory(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| create_directory(const path& __p, error_code& __ec) noexcept { |
| return __create_directory(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool create_directory(const path& __p, |
| const path& __attrs) { |
| return __create_directory(__p, __attrs); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| create_directory(const path& __p, const path& __attrs, |
| error_code& __ec) noexcept { |
| return __create_directory(__p, __attrs, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| create_directory_symlink(const path& __to, const path& __new) { |
| __create_directory_symlink(__to, __new); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| create_directory_symlink(const path& __to, const path& __new, |
| error_code& __ec) noexcept { |
| __create_directory_symlink(__to, __new, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void create_hard_link(const path& __to, |
| const path& __new) { |
| __create_hard_link(__to, __new); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| create_hard_link(const path& __to, const path& __new, |
| error_code& __ec) noexcept { |
| __create_hard_link(__to, __new, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void create_symlink(const path& __to, |
| const path& __new) { |
| __create_symlink(__to, __new); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| create_symlink(const path& __to, const path& __new, error_code& __ec) noexcept { |
| return __create_symlink(__to, __new, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool status_known(file_status __s) noexcept { |
| return __s.type() != file_type::none; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool exists(file_status __s) noexcept { |
| return status_known(__s) && __s.type() != file_type::not_found; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool exists(const path& __p) { |
| return exists(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool exists(const path& __p, |
| error_code& __ec) noexcept { |
| auto __s = __status(__p, &__ec); |
| if (status_known(__s)) |
| __ec.clear(); |
| return exists(__s); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool equivalent(const path& __p1, |
| const path& __p2) { |
| return __equivalent(__p1, __p2); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| equivalent(const path& __p1, const path& __p2, error_code& __ec) noexcept { |
| return __equivalent(__p1, __p2, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY uintmax_t file_size(const path& __p) { |
| return __file_size(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY uintmax_t |
| file_size(const path& __p, error_code& __ec) noexcept { |
| return __file_size(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY uintmax_t hard_link_count(const path& __p) { |
| return __hard_link_count(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY uintmax_t |
| hard_link_count(const path& __p, error_code& __ec) noexcept { |
| return __hard_link_count(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_block_file(file_status __s) noexcept { |
| return __s.type() == file_type::block; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_block_file(const path& __p) { |
| return is_block_file(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_block_file(const path& __p, |
| error_code& __ec) noexcept { |
| return is_block_file(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| is_character_file(file_status __s) noexcept { |
| return __s.type() == file_type::character; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_character_file(const path& __p) { |
| return is_character_file(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| is_character_file(const path& __p, error_code& __ec) noexcept { |
| return is_character_file(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_directory(file_status __s) noexcept { |
| return __s.type() == file_type::directory; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_directory(const path& __p) { |
| return is_directory(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_directory(const path& __p, |
| error_code& __ec) noexcept { |
| return is_directory(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_empty(const path& __p) { |
| return __fs_is_empty(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_empty(const path& __p, |
| error_code& __ec) { |
| return __fs_is_empty(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_fifo(file_status __s) noexcept { |
| return __s.type() == file_type::fifo; |
| } |
| inline _LIBCPP_INLINE_VISIBILITY bool is_fifo(const path& __p) { |
| return is_fifo(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_fifo(const path& __p, |
| error_code& __ec) noexcept { |
| return is_fifo(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| is_regular_file(file_status __s) noexcept { |
| return __s.type() == file_type::regular; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_regular_file(const path& __p) { |
| return is_regular_file(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| is_regular_file(const path& __p, error_code& __ec) noexcept { |
| return is_regular_file(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_socket(file_status __s) noexcept { |
| return __s.type() == file_type::socket; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_socket(const path& __p) { |
| return is_socket(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_socket(const path& __p, |
| error_code& __ec) noexcept { |
| return is_socket(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_symlink(file_status __s) noexcept { |
| return __s.type() == file_type::symlink; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_symlink(const path& __p) { |
| return is_symlink(__symlink_status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_symlink(const path& __p, |
| error_code& __ec) noexcept { |
| return is_symlink(__symlink_status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_other(file_status __s) noexcept { |
| return exists(__s) && !is_regular_file(__s) && !is_directory(__s) && |
| !is_symlink(__s); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_other(const path& __p) { |
| return is_other(__status(__p)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool is_other(const path& __p, |
| error_code& __ec) noexcept { |
| return is_other(__status(__p, &__ec)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY file_time_type |
| last_write_time(const path& __p) { |
| return __last_write_time(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY file_time_type |
| last_write_time(const path& __p, error_code& __ec) noexcept { |
| return __last_write_time(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void last_write_time(const path& __p, |
| file_time_type __t) { |
| __last_write_time(__p, __t); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| last_write_time(const path& __p, file_time_type __t, |
| error_code& __ec) noexcept { |
| __last_write_time(__p, __t, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| permissions(const path& __p, perms __prms, |
| perm_options __opts = perm_options::replace) { |
| __permissions(__p, __prms, __opts); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void permissions(const path& __p, perms __prms, |
| error_code& __ec) noexcept { |
| __permissions(__p, __prms, perm_options::replace, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void permissions(const path& __p, perms __prms, |
| perm_options __opts, |
| error_code& __ec) { |
| __permissions(__p, __prms, __opts, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path proximate(const path& __p, |
| const path& __base, |
| error_code& __ec) { |
| path __tmp = __weakly_canonical(__p, &__ec); |
| if (__ec) |
| return {}; |
| path __tmp_base = __weakly_canonical(__base, &__ec); |
| if (__ec) |
| return {}; |
| return __tmp.lexically_proximate(__tmp_base); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path proximate(const path& __p, |
| error_code& __ec) { |
| return proximate(__p, current_path(), __ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path |
| proximate(const path& __p, const path& __base = current_path()) { |
| return __weakly_canonical(__p).lexically_proximate( |
| __weakly_canonical(__base)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path read_symlink(const path& __p) { |
| return __read_symlink(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path read_symlink(const path& __p, |
| error_code& __ec) { |
| return __read_symlink(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path relative(const path& __p, |
| const path& __base, |
| error_code& __ec) { |
| path __tmp = __weakly_canonical(__p, &__ec); |
| if (__ec) |
| return path(); |
| path __tmpbase = __weakly_canonical(__base, &__ec); |
| if (__ec) |
| return path(); |
| return __tmp.lexically_relative(__tmpbase); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path relative(const path& __p, |
| error_code& __ec) { |
| return relative(__p, current_path(), __ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path |
| relative(const path& __p, const path& __base = current_path()) { |
| return __weakly_canonical(__p).lexically_relative(__weakly_canonical(__base)); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool remove(const path& __p) { |
| return __remove(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool remove(const path& __p, |
| error_code& __ec) noexcept { |
| return __remove(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY uintmax_t remove_all(const path& __p) { |
| return __remove_all(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY uintmax_t remove_all(const path& __p, |
| error_code& __ec) { |
| return __remove_all(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void rename(const path& __from, |
| const path& __to) { |
| return __rename(__from, __to); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| rename(const path& __from, const path& __to, error_code& __ec) noexcept { |
| return __rename(__from, __to, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void resize_file(const path& __p, |
| uintmax_t __ns) { |
| return __resize_file(__p, __ns); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY void |
| resize_file(const path& __p, uintmax_t __ns, error_code& __ec) noexcept { |
| return __resize_file(__p, __ns, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY space_info space(const path& __p) { |
| return __space(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY space_info space(const path& __p, |
| error_code& __ec) noexcept { |
| return __space(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY file_status status(const path& __p) { |
| return __status(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY file_status status(const path& __p, |
| error_code& __ec) noexcept { |
| return __status(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY file_status symlink_status(const path& __p) { |
| return __symlink_status(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY file_status |
| symlink_status(const path& __p, error_code& __ec) noexcept { |
| return __symlink_status(__p, &__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path temp_directory_path() { |
| return __temp_directory_path(); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path temp_directory_path(error_code& __ec) { |
| return __temp_directory_path(&__ec); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path weakly_canonical(path const& __p) { |
| return __weakly_canonical(__p); |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY path weakly_canonical(path const& __p, |
| error_code& __ec) { |
| return __weakly_canonical(__p, &__ec); |
| } |
| |
| class directory_iterator; |
| class recursive_directory_iterator; |
| class _LIBCPP_HIDDEN __dir_stream; |
| |
| class directory_entry { |
| typedef _VSTD_FS::path _Path; |
| |
| public: |
| // constructors and destructors |
| directory_entry() noexcept = default; |
| directory_entry(directory_entry const&) = default; |
| directory_entry(directory_entry&&) noexcept = default; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| explicit directory_entry(_Path const& __p) : __p_(__p) { |
| error_code __ec; |
| __refresh(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| directory_entry(_Path const& __p, error_code& __ec) : __p_(__p) { |
| __refresh(&__ec); |
| } |
| |
| ~directory_entry() {} |
| |
| directory_entry& operator=(directory_entry const&) = default; |
| directory_entry& operator=(directory_entry&&) noexcept = default; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void assign(_Path const& __p) { |
| __p_ = __p; |
| error_code __ec; |
| __refresh(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void assign(_Path const& __p, error_code& __ec) { |
| __p_ = __p; |
| __refresh(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void replace_filename(_Path const& __p) { |
| __p_.replace_filename(__p); |
| error_code __ec; |
| __refresh(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void replace_filename(_Path const& __p, error_code& __ec) { |
| __p_ = __p_.parent_path() / __p; |
| __refresh(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void refresh() { __refresh(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void refresh(error_code& __ec) noexcept { __refresh(&__ec); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| _Path const& path() const noexcept { return __p_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| operator const _Path&() const noexcept { return __p_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool exists() const { return _VSTD_FS::exists(file_status{__get_ft()}); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool exists(error_code& __ec) const noexcept { |
| return _VSTD_FS::exists(file_status{__get_ft(&__ec)}); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_block_file() const { return __get_ft() == file_type::block; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_block_file(error_code& __ec) const noexcept { |
| return __get_ft(&__ec) == file_type::block; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_character_file() const { return __get_ft() == file_type::character; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_character_file(error_code& __ec) const noexcept { |
| return __get_ft(&__ec) == file_type::character; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_directory() const { return __get_ft() == file_type::directory; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_directory(error_code& __ec) const noexcept { |
| return __get_ft(&__ec) == file_type::directory; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_fifo() const { return __get_ft() == file_type::fifo; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_fifo(error_code& __ec) const noexcept { |
| return __get_ft(&__ec) == file_type::fifo; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_other() const { return _VSTD_FS::is_other(file_status{__get_ft()}); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_other(error_code& __ec) const noexcept { |
| return _VSTD_FS::is_other(file_status{__get_ft(&__ec)}); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_regular_file() const { return __get_ft() == file_type::regular; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_regular_file(error_code& __ec) const noexcept { |
| return __get_ft(&__ec) == file_type::regular; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_socket() const { return __get_ft() == file_type::socket; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_socket(error_code& __ec) const noexcept { |
| return __get_ft(&__ec) == file_type::socket; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_symlink() const { return __get_sym_ft() == file_type::symlink; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool is_symlink(error_code& __ec) const noexcept { |
| return __get_sym_ft(&__ec) == file_type::symlink; |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| uintmax_t file_size() const { return __get_size(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| uintmax_t file_size(error_code& __ec) const noexcept { |
| return __get_size(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| uintmax_t hard_link_count() const { return __get_nlink(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| uintmax_t hard_link_count(error_code& __ec) const noexcept { |
| return __get_nlink(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_time_type last_write_time() const { return __get_write_time(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_time_type last_write_time(error_code& __ec) const noexcept { |
| return __get_write_time(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_status status() const { return __get_status(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_status status(error_code& __ec) const noexcept { |
| return __get_status(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_status symlink_status() const { return __get_symlink_status(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_status symlink_status(error_code& __ec) const noexcept { |
| return __get_symlink_status(&__ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator<(directory_entry const& __rhs) const noexcept { |
| return __p_ < __rhs.__p_; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator==(directory_entry const& __rhs) const noexcept { |
| return __p_ == __rhs.__p_; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(directory_entry const& __rhs) const noexcept { |
| return __p_ != __rhs.__p_; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator<=(directory_entry const& __rhs) const noexcept { |
| return __p_ <= __rhs.__p_; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator>(directory_entry const& __rhs) const noexcept { |
| return __p_ > __rhs.__p_; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator>=(directory_entry const& __rhs) const noexcept { |
| return __p_ >= __rhs.__p_; |
| } |
| |
| private: |
| friend class directory_iterator; |
| friend class recursive_directory_iterator; |
| friend class __dir_stream; |
| |
| enum _CacheType : unsigned char { |
| _Empty, |
| _IterSymlink, |
| _IterNonSymlink, |
| _RefreshSymlink, |
| _RefreshSymlinkUnresolved, |
| _RefreshNonSymlink |
| }; |
| |
| struct __cached_data { |
| uintmax_t __size_; |
| uintmax_t __nlink_; |
| file_time_type __write_time_; |
| perms __sym_perms_; |
| perms __non_sym_perms_; |
| file_type __type_; |
| _CacheType __cache_type_; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __cached_data() noexcept { __reset(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __reset() { |
| __cache_type_ = _Empty; |
| __type_ = file_type::none; |
| __sym_perms_ = __non_sym_perms_ = perms::unknown; |
| __size_ = __nlink_ = uintmax_t(-1); |
| __write_time_ = file_time_type::min(); |
| } |
| }; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| static __cached_data __create_iter_result(file_type __ft) { |
| __cached_data __data; |
| __data.__type_ = __ft; |
| __data.__cache_type_ = [&]() { |
| switch (__ft) { |
| case file_type::none: |
| return _Empty; |
| case file_type::symlink: |
| return _IterSymlink; |
| default: |
| return _IterNonSymlink; |
| } |
| }(); |
| return __data; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __assign_iter_entry(_Path&& __p, __cached_data __dt) { |
| __p_ = _VSTD::move(__p); |
| __data_ = __dt; |
| } |
| |
| _LIBCPP_FUNC_VIS |
| error_code __do_refresh() noexcept; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| static bool __is_dne_error(error_code const& __ec) { |
| if (!__ec) |
| return true; |
| switch (static_cast<errc>(__ec.value())) { |
| case errc::no_such_file_or_directory: |
| case errc::not_a_directory: |
| return true; |
| default: |
| return false; |
| } |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __handle_error(const char* __msg, error_code* __dest_ec, |
| error_code const& __ec, bool __allow_dne = false) const { |
| if (__dest_ec) { |
| *__dest_ec = __ec; |
| return; |
| } |
| if (__ec && (!__allow_dne || !__is_dne_error(__ec))) |
| __throw_filesystem_error(__msg, __p_, __ec); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void __refresh(error_code* __ec = nullptr) { |
| __handle_error("in directory_entry::refresh", __ec, __do_refresh(), |
| /*allow_dne*/ true); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_type __get_sym_ft(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| return __symlink_status(__p_, __ec).type(); |
| case _IterSymlink: |
| case _RefreshSymlink: |
| case _RefreshSymlinkUnresolved: |
| if (__ec) |
| __ec->clear(); |
| return file_type::symlink; |
| case _IterNonSymlink: |
| case _RefreshNonSymlink: |
| file_status __st(__data_.__type_); |
| if (__ec && !_VSTD_FS::exists(__st)) |
| *__ec = make_error_code(errc::no_such_file_or_directory); |
| else if (__ec) |
| __ec->clear(); |
| return __data_.__type_; |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_type __get_ft(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| case _IterSymlink: |
| case _RefreshSymlinkUnresolved: |
| return __status(__p_, __ec).type(); |
| case _IterNonSymlink: |
| case _RefreshNonSymlink: |
| case _RefreshSymlink: { |
| file_status __st(__data_.__type_); |
| if (__ec && !_VSTD_FS::exists(__st)) |
| *__ec = make_error_code(errc::no_such_file_or_directory); |
| else if (__ec) |
| __ec->clear(); |
| return __data_.__type_; |
| } |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_status __get_status(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| case _IterNonSymlink: |
| case _IterSymlink: |
| case _RefreshSymlinkUnresolved: |
| return __status(__p_, __ec); |
| case _RefreshNonSymlink: |
| case _RefreshSymlink: |
| return file_status(__get_ft(__ec), __data_.__non_sym_perms_); |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_status __get_symlink_status(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| case _IterNonSymlink: |
| case _IterSymlink: |
| return __symlink_status(__p_, __ec); |
| case _RefreshNonSymlink: |
| return file_status(__get_sym_ft(__ec), __data_.__non_sym_perms_); |
| case _RefreshSymlink: |
| case _RefreshSymlinkUnresolved: |
| return file_status(__get_sym_ft(__ec), __data_.__sym_perms_); |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| uintmax_t __get_size(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| case _IterNonSymlink: |
| case _IterSymlink: |
| case _RefreshSymlinkUnresolved: |
| return _VSTD_FS::__file_size(__p_, __ec); |
| case _RefreshSymlink: |
| case _RefreshNonSymlink: { |
| error_code __m_ec; |
| file_status __st(__get_ft(&__m_ec)); |
| __handle_error("in directory_entry::file_size", __ec, __m_ec); |
| if (_VSTD_FS::exists(__st) && !_VSTD_FS::is_regular_file(__st)) { |
| errc __err_kind = _VSTD_FS::is_directory(__st) ? errc::is_a_directory |
| : errc::not_supported; |
| __handle_error("in directory_entry::file_size", __ec, |
| make_error_code(__err_kind)); |
| } |
| return __data_.__size_; |
| } |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| uintmax_t __get_nlink(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| case _IterNonSymlink: |
| case _IterSymlink: |
| case _RefreshSymlinkUnresolved: |
| return _VSTD_FS::__hard_link_count(__p_, __ec); |
| case _RefreshSymlink: |
| case _RefreshNonSymlink: { |
| error_code __m_ec; |
| (void)__get_ft(&__m_ec); |
| __handle_error("in directory_entry::hard_link_count", __ec, __m_ec); |
| return __data_.__nlink_; |
| } |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| file_time_type __get_write_time(error_code* __ec = nullptr) const { |
| switch (__data_.__cache_type_) { |
| case _Empty: |
| case _IterNonSymlink: |
| case _IterSymlink: |
| case _RefreshSymlinkUnresolved: |
| return _VSTD_FS::__last_write_time(__p_, __ec); |
| case _RefreshSymlink: |
| case _RefreshNonSymlink: { |
| error_code __m_ec; |
| file_status __st(__get_ft(&__m_ec)); |
| __handle_error("in directory_entry::last_write_time", __ec, __m_ec); |
| if (_VSTD_FS::exists(__st) && |
| __data_.__write_time_ == file_time_type::min()) |
| __handle_error("in directory_entry::last_write_time", __ec, |
| make_error_code(errc::value_too_large)); |
| return __data_.__write_time_; |
| } |
| } |
| _LIBCPP_UNREACHABLE(); |
| } |
| |
| private: |
| _Path __p_; |
| __cached_data __data_; |
| }; |
| |
| class __dir_element_proxy { |
| public: |
| inline _LIBCPP_INLINE_VISIBILITY directory_entry operator*() { |
| return _VSTD::move(__elem_); |
| } |
| |
| private: |
| friend class directory_iterator; |
| friend class recursive_directory_iterator; |
| explicit __dir_element_proxy(directory_entry const& __e) : __elem_(__e) {} |
| __dir_element_proxy(__dir_element_proxy&& __o) |
| : __elem_(_VSTD::move(__o.__elem_)) {} |
| directory_entry __elem_; |
| }; |
| |
| class directory_iterator { |
| public: |
| typedef directory_entry value_type; |
| typedef ptrdiff_t difference_type; |
| typedef value_type const* pointer; |
| typedef value_type const& reference; |
| typedef input_iterator_tag iterator_category; |
| |
| public: |
| //ctor & dtor |
| directory_iterator() noexcept {} |
| |
| explicit directory_iterator(const path& __p) |
| : directory_iterator(__p, nullptr) {} |
| |
| directory_iterator(const path& __p, directory_options __opts) |
| : directory_iterator(__p, nullptr, __opts) {} |
| |
| directory_iterator(const path& __p, error_code& __ec) |
| : directory_iterator(__p, &__ec) {} |
| |
| directory_iterator(const path& __p, directory_options __opts, |
| error_code& __ec) |
| : directory_iterator(__p, &__ec, __opts) {} |
| |
| directory_iterator(const directory_iterator&) = default; |
| directory_iterator(directory_iterator&&) = default; |
| directory_iterator& operator=(const directory_iterator&) = default; |
| |
| directory_iterator& operator=(directory_iterator&& __o) noexcept { |
| // non-default implementation provided to support self-move assign. |
| if (this != &__o) { |
| __imp_ = _VSTD::move(__o.__imp_); |
| } |
| return *this; |
| } |
| |
| ~directory_iterator() = default; |
| |
| const directory_entry& operator*() const { |
| _LIBCPP_ASSERT(__imp_, "The end iterator cannot be dereferenced"); |
| return __dereference(); |
| } |
| |
| const directory_entry* operator->() const { return &**this; } |
| |
| directory_iterator& operator++() { return __increment(); } |
| |
| __dir_element_proxy operator++(int) { |
| __dir_element_proxy __p(**this); |
| __increment(); |
| return __p; |
| } |
| |
| directory_iterator& increment(error_code& __ec) { return __increment(&__ec); } |
| |
| private: |
| inline _LIBCPP_INLINE_VISIBILITY friend bool |
| operator==(const directory_iterator& __lhs, |
| const directory_iterator& __rhs) noexcept; |
| |
| // construct the dir_stream |
| _LIBCPP_FUNC_VIS |
| directory_iterator(const path&, error_code*, |
| directory_options = directory_options::none); |
| |
| _LIBCPP_FUNC_VIS |
| directory_iterator& __increment(error_code* __ec = nullptr); |
| |
| _LIBCPP_FUNC_VIS |
| const directory_entry& __dereference() const; |
| |
| private: |
| shared_ptr<__dir_stream> __imp_; |
| }; |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| operator==(const directory_iterator& __lhs, |
| const directory_iterator& __rhs) noexcept { |
| return __lhs.__imp_ == __rhs.__imp_; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| operator!=(const directory_iterator& __lhs, |
| const directory_iterator& __rhs) noexcept { |
| return !(__lhs == __rhs); |
| } |
| |
| // enable directory_iterator range-based for statements |
| inline _LIBCPP_INLINE_VISIBILITY directory_iterator |
| begin(directory_iterator __iter) noexcept { |
| return __iter; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY directory_iterator |
| end(const directory_iterator&) noexcept { |
| return directory_iterator(); |
| } |
| |
| class recursive_directory_iterator { |
| public: |
| using value_type = directory_entry; |
| using difference_type = ptrdiff_t; |
| using pointer = directory_entry const*; |
| using reference = directory_entry const&; |
| using iterator_category = input_iterator_tag; |
| |
| public: |
| // constructors and destructor |
| _LIBCPP_INLINE_VISIBILITY |
| recursive_directory_iterator() noexcept : __rec_(false) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| explicit recursive_directory_iterator( |
| const path& __p, directory_options __xoptions = directory_options::none) |
| : recursive_directory_iterator(__p, __xoptions, nullptr) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| recursive_directory_iterator(const path& __p, directory_options __xoptions, |
| error_code& __ec) |
| : recursive_directory_iterator(__p, __xoptions, &__ec) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| recursive_directory_iterator(const path& __p, error_code& __ec) |
| : recursive_directory_iterator(__p, directory_options::none, &__ec) {} |
| |
| recursive_directory_iterator(const recursive_directory_iterator&) = default; |
| recursive_directory_iterator(recursive_directory_iterator&&) = default; |
| |
| recursive_directory_iterator& |
| operator=(const recursive_directory_iterator&) = default; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| recursive_directory_iterator& |
| operator=(recursive_directory_iterator&& __o) noexcept { |
| // non-default implementation provided to support self-move assign. |
| if (this != &__o) { |
| __imp_ = _VSTD::move(__o.__imp_); |
| __rec_ = __o.__rec_; |
| } |
| return *this; |
| } |
| |
| ~recursive_directory_iterator() = default; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const directory_entry& operator*() const { return __dereference(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const directory_entry* operator->() const { return &__dereference(); } |
| |
| recursive_directory_iterator& operator++() { return __increment(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __dir_element_proxy operator++(int) { |
| __dir_element_proxy __p(**this); |
| __increment(); |
| return __p; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| recursive_directory_iterator& increment(error_code& __ec) { |
| return __increment(&__ec); |
| } |
| |
| _LIBCPP_FUNC_VIS directory_options options() const; |
| _LIBCPP_FUNC_VIS int depth() const; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void pop() { __pop(); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void pop(error_code& __ec) { __pop(&__ec); } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| bool recursion_pending() const { return __rec_; } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void disable_recursion_pending() { __rec_ = false; } |
| |
| private: |
| _LIBCPP_FUNC_VIS |
| recursive_directory_iterator(const path& __p, directory_options __opt, |
| error_code* __ec); |
| |
| _LIBCPP_FUNC_VIS |
| const directory_entry& __dereference() const; |
| |
| _LIBCPP_FUNC_VIS |
| bool __try_recursion(error_code* __ec); |
| |
| _LIBCPP_FUNC_VIS |
| void __advance(error_code* __ec = nullptr); |
| |
| _LIBCPP_FUNC_VIS |
| recursive_directory_iterator& __increment(error_code* __ec = nullptr); |
| |
| _LIBCPP_FUNC_VIS |
| void __pop(error_code* __ec = nullptr); |
| |
| inline _LIBCPP_INLINE_VISIBILITY friend bool |
| operator==(const recursive_directory_iterator&, |
| const recursive_directory_iterator&) noexcept; |
| |
| struct _LIBCPP_HIDDEN __shared_imp; |
| shared_ptr<__shared_imp> __imp_; |
| bool __rec_; |
| }; // class recursive_directory_iterator |
| |
| inline _LIBCPP_INLINE_VISIBILITY bool |
| operator==(const recursive_directory_iterator& __lhs, |
| const recursive_directory_iterator& __rhs) noexcept { |
| return __lhs.__imp_ == __rhs.__imp_; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| inline bool operator!=(const recursive_directory_iterator& __lhs, |
| const recursive_directory_iterator& __rhs) noexcept { |
| return !(__lhs == __rhs); |
| } |
| // enable recursive_directory_iterator range-based for statements |
| inline _LIBCPP_INLINE_VISIBILITY recursive_directory_iterator |
| begin(recursive_directory_iterator __iter) noexcept { |
| return __iter; |
| } |
| |
| inline _LIBCPP_INLINE_VISIBILITY recursive_directory_iterator |
| end(const recursive_directory_iterator&) noexcept { |
| return recursive_directory_iterator(); |
| } |
| |
| _LIBCPP_AVAILABILITY_FILESYSTEM_POP |
| |
| _LIBCPP_END_NAMESPACE_FILESYSTEM |
| |
| #endif // !_LIBCPP_CXX03_LANG |
| |
| _LIBCPP_POP_MACROS |
| |
| #endif // _LIBCPP_FILESYSTEM |
