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Diffstat (limited to 'lib/libcxx/include/filesystem')
| -rw-r--r-- | lib/libcxx/include/filesystem | 2637 |
1 files changed, 0 insertions, 2637 deletions
diff --git a/lib/libcxx/include/filesystem b/lib/libcxx/include/filesystem deleted file mode 100644 index af713a06358..00000000000 --- a/lib/libcxx/include/filesystem +++ /dev/null @@ -1,2637 +0,0 @@ -// -*- C++ -*- -//===--------------------------- filesystem -------------------------------===// -// -// The LLVM Compiler Infrastructure -// -// This file is dual licensed under the MIT and the University of Illinois Open -// Source Licenses. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -#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 <__config> -#include <cstddef> -#include <cstdlib> -#include <chrono> -#include <iterator> -#include <iosfwd> -#include <locale> -#include <memory> -#include <stack> -#include <string> -#include <system_error> -#include <utility> -#include <iomanip> // for quoted -#include <string_view> -#include <version> - -#include <__debug> - -#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 - -typedef chrono::time_point<_FilesystemClock> file_time_type; - -struct _LIBCPP_TYPE_VIS space_info { - uintmax_t capacity; - uintmax_t free; - uintmax_t available; -}; - -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 -}; - -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; -}; -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) { - return __e == _ECharT('/'); -} - -struct _NullSentinal {}; - -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 __sentinal = _ECharT{}; - _Iter __e = __b; - for (; *__e != __sentinal; ++__e) - ; - return __e; - } - - static _ECharT __first_or_null(const _ECharT* __b) { return *__b; } -}; - -template <class _Iter, bool _IsIt = __is_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 _NullSentinal __range_end(_Iter) { return _NullSentinal{}; } - - 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> {}; - -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; - - static void __append_range(string& __dest, _ECharT const* __b, - _ECharT const* __e) { - _Narrower()(back_inserter(__dest), __b, __e); - } - - template <class _Iter> - static void __append_range(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); - _Narrower()(back_inserter(__dest), __tmp.data(), - __tmp.data() + __tmp.length()); - } - - template <class _Iter> - static void __append_range(string& __dest, _Iter __b, _NullSentinal) { - static_assert(!is_same<_Iter, _ECharT*>::value, "Call const overload"); - const _ECharT __sentinal = _ECharT{}; - if (*__b == __sentinal) - return; - basic_string<_ECharT> __tmp; - for (; *__b != __sentinal; ++__b) - __tmp.push_back(*__b); - _Narrower()(back_inserter(__dest), __tmp.data(), - __tmp.data() + __tmp.length()); - } - - template <class _Source> - static void __append_source(string& __dest, _Source const& __s) { - using _Traits = __is_pathable<_Source>; - __append_range(__dest, _Traits::__range_begin(__s), - _Traits::__range_end(__s)); - } -}; - -template <> -struct _PathCVT<char> { - - template <class _Iter> - static typename enable_if<__is_exactly_input_iterator<_Iter>::value>::type - __append_range(string& __dest, _Iter __b, _Iter __e) { - for (; __b != __e; ++__b) - __dest.push_back(*__b); - } - - template <class _Iter> - static typename enable_if<__is_forward_iterator<_Iter>::value>::type - __append_range(string& __dest, _Iter __b, _Iter __e) { - __dest.__append_forward_unsafe(__b, __e); - } - - template <class _Iter> - static void __append_range(string& __dest, _Iter __b, _NullSentinal) { - const char __sentinal = char{}; - for (; *__b != __sentinal; ++__b) - __dest.push_back(*__b); - } - - template <class _Source> - static void __append_source(string& __dest, _Source const& __s) { - using _Traits = __is_pathable<_Source>; - __append_range(__dest, _Traits::__range_begin(__s), - _Traits::__range_end(__s)); - } -}; - -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: - typedef char value_type; - typedef basic_string<value_type> string_type; - typedef _VSTD::string_view __string_view; - static constexpr value_type preferred_separator = '/'; - - enum class _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); - } - - // 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); - - _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; - } - - template <class = void> - _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; - } - -private: - template <class _ECharT> - static bool __source_is_absolute(_ECharT __first_or_null) { - return __is_separator(__first_or_null); - } - -public: - // appends - 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> >; - if (__source_is_absolute(_Traits::__first_or_null(__src))) - __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 && __source_is_absolute(*__first)) - __pn_.clear(); - else if (has_filename()) - __pn_ += preferred_separator; - _CVT::__append_range(__pn_, __first, __last); - return *this; - } - - // 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) { - basic_string<_ECharT> __tmp; - __tmp += __x; - _PathCVT<_ECharT>::__append_source(__pn_, __tmp); - 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() { 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_; } - - 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 std::string string() const { return __pn_; } - _LIBCPP_INLINE_VISIBILITY std::wstring wstring() const { - return string<wchar_t>(); - } - _LIBCPP_INLINE_VISIBILITY std::string u8string() const { return __pn_; } - _LIBCPP_INLINE_VISIBILITY std::u16string u16string() const { - return string<char16_t>(); - } - _LIBCPP_INLINE_VISIBILITY std::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 { - return string<_ECharT, _Traits, _Allocator>(__a); - } - - std::string generic_string() const { return __pn_; } - std::wstring generic_wstring() const { return string<wchar_t>(); } - std::string generic_u8string() const { return __pn_; } - std::u16string generic_u16string() const { return string<char16_t>(); } - std::u32string generic_u32string() const { return string<char32_t>(); } - -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 { - return root_name().append(string_type(__root_directory())); - } - _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 { - return has_root_directory(); - } - _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; - - template <class _CharT, class _Traits> - _LIBCPP_INLINE_VISIBILITY friend - typename enable_if<is_same<_CharT, char>::value && - is_same<_Traits, char_traits<char> >::value, - basic_ostream<_CharT, _Traits>&>::type - operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) { - __os << std::__quoted(__p.native()); - return __os; - } - - template <class _CharT, class _Traits> - _LIBCPP_INLINE_VISIBILITY friend - typename enable_if<!is_same<_CharT, char>::value || - !is_same<_Traits, char_traits<char> >::value, - basic_ostream<_CharT, _Traits>&>::type - operator<<(basic_ostream<_CharT, _Traits>& __os, const path& __p) { - __os << std::__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; - } - - 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 _Source> -_LIBCPP_INLINE_VISIBILITY - typename enable_if<__is_pathable<_Source>::value, path>::type - u8path(const _Source& __s) { - static_assert( - is_same<typename __is_pathable<_Source>::__char_type, char>::value, - "u8path(Source const&) requires Source have a character type of type " - "'char'"); - return path(__s); -} - -template <class _InputIt> -_LIBCPP_INLINE_VISIBILITY - typename enable_if<__is_pathable<_InputIt>::value, path>::type - u8path(_InputIt __f, _InputIt __l) { - static_assert( - is_same<typename __is_pathable<_InputIt>::__char_type, char>::value, - "u8path(Iter, Iter) requires Iter have a value_type of type 'char'"); - return path(__f, __l); -} - -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 std::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); -} - -class _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() override; // key function - - _LIBCPP_INLINE_VISIBILITY - const char* what() const noexcept override { - return __storage_->__what_.c_str(); - } - - _LIBCPP_FUNC_VIS - void __create_what(int __num_paths); - -private: - struct _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_; -}; - -template <class... _Args> -_LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY -#ifndef _LIBCPP_NO_EXCEPTIONS - void - __throw_filesystem_error(_Args&&... __args) { - throw filesystem_error(std::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 __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_ = std::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 = std::ptrdiff_t; - using pointer = directory_entry const*; - using reference = directory_entry const&; - using iterator_category = std::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: - 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 __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_END_NAMESPACE_FILESYSTEM - -#endif // !_LIBCPP_CXX03_LANG - -_LIBCPP_POP_MACROS - -#endif // _LIBCPP_FILESYSTEM |