30#ifndef _GLIBCXX_FS_PATH_H
31#define _GLIBCXX_FS_PATH_H 1
33#if __cplusplus >= 201703L
42#include <system_error>
46#include <bits/shared_ptr.h>
49#if __cplusplus > 201703L
53#if defined(_WIN32) && !defined(__CYGWIN__)
54# define _GLIBCXX_FILESYSTEM_IS_WINDOWS 1
58namespace std _GLIBCXX_VISIBILITY(default)
60_GLIBCXX_BEGIN_NAMESPACE_VERSION
64_GLIBCXX_BEGIN_NAMESPACE_CXX11
75 template<
typename _CharT>
76 using __is_encoded_char = __is_one_of<remove_const_t<_CharT>,
78#ifdef _GLIBCXX_USE_CHAR8_T
81#if _GLIBCXX_USE_WCHAR_T
86 template<
typename _Iter,
88 using __is_path_iter_src
89 = __and_<__is_encoded_char<typename _Iter_traits::value_type>,
91 typename _Iter_traits::iterator_category>>;
93 template<
typename _Iter>
94 static __is_path_iter_src<_Iter>
95 __is_path_src(_Iter,
int);
97 template<
typename _CharT,
typename _Traits,
typename _Alloc>
98 static __is_encoded_char<_CharT>
99 __is_path_src(
const basic_string<_CharT, _Traits, _Alloc>&,
int);
101 template<
typename _CharT,
typename _Traits>
102 static __is_encoded_char<_CharT>
103 __is_path_src(
const basic_string_view<_CharT, _Traits>&,
int);
105 template<
typename _Unknown>
107 __is_path_src(
const _Unknown&, ...);
109 template<
typename _Tp1,
typename _Tp2>
110 struct __constructible_from;
112 template<
typename _Iter>
113 struct __constructible_from<_Iter, _Iter>
114 : __is_path_iter_src<_Iter>
117 template<
typename _Source>
118 struct __constructible_from<_Source, void>
119 : decltype(__is_path_src(std::declval<const _Source&>(), 0))
122 template<
typename _Tp1,
typename _Tp2 =
void>
123 using _Path =
typename
125 __not_<is_void<remove_pointer_t<_Tp1>>>,
126 __constructible_from<_Tp1, _Tp2>>::value,
129 template<
typename _Source>
131 _S_range_begin(_Source __begin) {
return __begin; }
133 struct __nul_terminated { };
135 template<
typename _Source>
137 _S_range_end(_Source) {
return {}; }
139 template<
typename _CharT,
typename _Traits,
typename _Alloc>
141 _S_range_begin(
const basic_string<_CharT, _Traits, _Alloc>& __str)
142 {
return __str.data(); }
144 template<
typename _CharT,
typename _Traits,
typename _Alloc>
146 _S_range_end(
const basic_string<_CharT, _Traits, _Alloc>& __str)
147 {
return __str.data() + __str.size(); }
149 template<
typename _CharT,
typename _Traits>
151 _S_range_begin(
const basic_string_view<_CharT, _Traits>& __str)
152 {
return __str.data(); }
154 template<
typename _CharT,
typename _Traits>
156 _S_range_end(
const basic_string_view<_CharT, _Traits>& __str)
157 {
return __str.data() + __str.size(); }
159 template<
typename _Tp,
163 using __value_type_is_char
167 template<
typename _Tp,
171 using __value_type_is_char_or_char8_t
174#ifdef _GLIBCXX_USE_CHAR8_T
187#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
188 using value_type = wchar_t;
189 static constexpr value_type preferred_separator = L
'\\';
191# ifdef _GLIBCXX_DOXYGEN
193 using value_type = __os_dependent__;
195 using value_type = char;
197 static constexpr value_type preferred_separator =
'/';
202 enum format :
unsigned char { native_format, generic_format, auto_format };
208 path(
const path& __p) =
default;
211#if _GLIBCXX_USE_CXX11_ABI || _GLIBCXX_FULLY_DYNAMIC_STRING == 0
214 : _M_pathname(
std::move(__p._M_pathname)),
218 path(string_type&& __source, format = auto_format)
219 : _M_pathname(
std::
move(__source))
220 { _M_split_cmpts(); }
222 template<
typename _Source,
223 typename _Require = __detail::_Path<_Source>>
224 path(_Source
const& __source, format = auto_format)
225 : _M_pathname(_S_convert(__detail::_S_range_begin(__source),
226 __detail::_S_range_end(__source)))
227 { _M_split_cmpts(); }
229 template<
typename _InputIterator,
230 typename _Require = __detail::_Path<_InputIterator, _InputIterator>>
231 path(_InputIterator __first, _InputIterator __last, format = auto_format)
232 : _M_pathname(_S_convert(__first, __last))
233 { _M_split_cmpts(); }
235 template<
typename _Source,
236 typename _Require = __detail::_Path<_Source>,
237 typename _Require2 = __detail::__value_type_is_char<_Source>>
238 path(_Source
const& __source,
const locale& __loc, format = auto_format)
239 : _M_pathname(_S_convert_loc(__detail::_S_range_begin(__source),
240 __detail::_S_range_end(__source), __loc))
241 { _M_split_cmpts(); }
243 template<
typename _InputIterator,
244 typename _Require = __detail::_Path<_InputIterator, _InputIterator>,
245 typename _Require2 = __detail::__value_type_is_char<_InputIterator>>
246 path(_InputIterator __first, _InputIterator __last,
const locale& __loc,
247 format = auto_format)
248 : _M_pathname(_S_convert_loc(__first, __last, __loc))
249 { _M_split_cmpts(); }
255 path& operator=(
const path&);
256 path& operator=(path&&) noexcept;
257 path& operator=(string_type&& __source);
258 path& assign(string_type&& __source);
260 template<typename _Source>
261 __detail::_Path<_Source>&
262 operator=(_Source const& __source)
263 {
return *
this = path(__source); }
265 template<
typename _Source>
266 __detail::_Path<_Source>&
267 assign(_Source
const& __source)
268 {
return *
this = path(__source); }
270 template<
typename _InputIterator>
271 __detail::_Path<_InputIterator, _InputIterator>&
272 assign(_InputIterator __first, _InputIterator __last)
273 {
return *
this = path(__first, __last); }
277 path& operator/=(
const path& __p);
279 template<
typename _Source>
280 __detail::_Path<_Source>&
281 operator/=(_Source
const& __source)
283 _M_append(_S_convert(__detail::_S_range_begin(__source),
284 __detail::_S_range_end(__source)));
288 template<
typename _Source>
289 __detail::_Path<_Source>&
290 append(_Source
const& __source)
292 _M_append(_S_convert(__detail::_S_range_begin(__source),
293 __detail::_S_range_end(__source)));
297 template<
typename _InputIterator>
298 __detail::_Path<_InputIterator, _InputIterator>&
299 append(_InputIterator __first, _InputIterator __last)
301 _M_append(_S_convert(__first, __last));
307 path& operator+=(
const path& __x);
308 path& operator+=(
const string_type& __x);
309 path& operator+=(
const value_type* __x);
310 path& operator+=(value_type __x);
311 path& operator+=(basic_string_view<value_type> __x);
313 template<
typename _Source>
314 __detail::_Path<_Source>&
315 operator+=(_Source
const& __x) {
return concat(__x); }
317 template<
typename _CharT>
318 __detail::_Path<_CharT*, _CharT*>&
319 operator+=(_CharT __x);
321 template<
typename _Source>
322 __detail::_Path<_Source>&
323 concat(_Source
const& __x)
325 _M_concat(_S_convert(__detail::_S_range_begin(__x),
326 __detail::_S_range_end(__x)));
330 template<
typename _InputIterator>
331 __detail::_Path<_InputIterator, _InputIterator>&
332 concat(_InputIterator __first, _InputIterator __last)
334 _M_concat(_S_convert(__first, __last));
340 void clear() noexcept { _M_pathname.clear(); _M_split_cmpts(); }
342 path& make_preferred();
343 path& remove_filename();
344 path& replace_filename(
const path& __replacement);
345 path& replace_extension(
const path& __replacement = path());
347 void swap(path& __rhs)
noexcept;
351 const string_type& native() const noexcept {
return _M_pathname; }
352 const value_type* c_str() const noexcept {
return _M_pathname.c_str(); }
353 operator string_type()
const {
return _M_pathname; }
355 template<
typename _CharT,
typename _Traits = std::
char_traits<_CharT>,
356 typename _Allocator = std::allocator<_CharT>>
358 string(
const _Allocator& __a = _Allocator())
const;
361#if _GLIBCXX_USE_WCHAR_T
364#ifdef _GLIBCXX_USE_CHAR8_T
365 __attribute__((__abi_tag__(
"__u8")))
366 std::u8string u8string() const;
374 template<
typename _CharT,
typename _Traits = std::
char_traits<_CharT>,
375 typename _Allocator = std::allocator<_CharT>>
377 generic_string(
const _Allocator& __a = _Allocator())
const;
380#if _GLIBCXX_USE_WCHAR_T
383#ifdef _GLIBCXX_USE_CHAR8_T
384 __attribute__((__abi_tag__(
"__u8")))
385 std::u8string generic_u8string() const;
394 int compare(
const path& __p)
const noexcept;
395 int compare(
const string_type& __s)
const noexcept;
396 int compare(
const value_type* __s)
const noexcept;
397 int compare(basic_string_view<value_type> __s)
const noexcept;
401 path root_name()
const;
402 path root_directory()
const;
403 path root_path()
const;
404 path relative_path()
const;
405 path parent_path()
const;
406 path filename()
const;
408 path extension()
const;
412 [[nodiscard]]
bool empty() const noexcept {
return _M_pathname.empty(); }
413 bool has_root_name() const noexcept;
414 bool has_root_directory() const noexcept;
415 bool has_root_path() const noexcept;
416 bool has_relative_path() const noexcept;
417 bool has_parent_path() const noexcept;
418 bool has_filename() const noexcept;
419 bool has_stem() const noexcept;
420 bool has_extension() const noexcept;
421 bool is_absolute() const noexcept;
422 bool is_relative() const noexcept {
return !is_absolute(); }
425 path lexically_normal()
const;
426 path lexically_relative(
const path& base)
const;
427 path lexically_proximate(
const path& base)
const;
431 using const_iterator = iterator;
433 iterator
begin()
const;
434 iterator
end()
const;
437 template<
typename _CharT,
typename _Traits>
441 __os <<
std::quoted(__p.string<_CharT, _Traits>());
446 template<
typename _CharT,
typename _Traits>
459 friend bool operator==(
const path& __lhs,
const path& __rhs)
noexcept
460 {
return __lhs.compare(__rhs) == 0; }
462#if __cpp_lib_three_way_comparison
464 friend strong_ordering
465 operator<=>(
const path& __lhs,
const path& __rhs)
noexcept
466 {
return __lhs.compare(__rhs) <=> 0; }
469 friend bool operator!=(
const path& __lhs,
const path& __rhs)
noexcept
470 {
return !(__lhs == __rhs); }
473 friend bool operator<(
const path& __lhs,
const path& __rhs)
noexcept
474 {
return __lhs.compare(__rhs) < 0; }
477 friend bool operator<=(
const path& __lhs,
const path& __rhs)
noexcept
478 {
return !(__rhs < __lhs); }
481 friend bool operator>(
const path& __lhs,
const path& __rhs)
noexcept
482 {
return __rhs < __lhs; }
485 friend bool operator>=(
const path& __lhs,
const path& __rhs)
noexcept
486 {
return !(__lhs < __rhs); }
490 friend path
operator/(
const path& __lhs,
const path& __rhs)
492 path __result(__lhs);
499 template<
typename _InputIterator,
504 _S_string_from_iter(_InputIterator __source)
507 for (_CharT __ch = *__source; __ch != _CharT(); __ch = *++__source)
508 __str.push_back(__ch);
514 enum class _Type :
unsigned char {
515 _Multi = 0, _Root_name, _Root_dir, _Filename
518 path(basic_string_view<value_type> __str, _Type __type);
520 enum class _Split { _Stem, _Extension };
522 void _M_append(basic_string_view<value_type>);
523 void _M_concat(basic_string_view<value_type>);
525 pair<const string_type*, size_t> _M_find_extension() const noexcept;
527 template<typename _CharT>
530 static basic_string_view<value_type>
531 _S_convert(value_type* __src, __detail::__nul_terminated)
534 static basic_string_view<value_type>
535 _S_convert(
const value_type* __src, __detail::__nul_terminated)
538 static basic_string_view<value_type>
539 _S_convert(value_type* __first, value_type* __last)
540 {
return {__first, __last - __first}; }
542 static basic_string_view<value_type>
543 _S_convert(
const value_type* __first,
const value_type* __last)
544 {
return {__first, __last - __first}; }
546 template<
typename _Iter>
548 _S_convert(_Iter __first, _Iter __last)
551 return _Cvt<typename remove_cv<__value_type>::type>::
552 _S_convert(__first, __last);
555 template<
typename _InputIterator>
557 _S_convert(_InputIterator __src, __detail::__nul_terminated)
560 auto __s = _S_string_from_iter(__src);
562 return string_type(_S_convert(__s.data(), __s.data() + __s.size()));
566 _S_convert_loc(
const char* __first,
const char* __last,
569 template<
typename _Iter>
571 _S_convert_loc(_Iter __first, _Iter __last,
const std::locale& __loc)
574 return _S_convert_loc(__str.data(), __str.data()+__str.size(), __loc);
577 template<
typename _InputIterator>
579 _S_convert_loc(_InputIterator __src, __detail::__nul_terminated,
582 const std::string __s = _S_string_from_iter(__src);
583 return _S_convert_loc(__s.
data(), __s.
data() + __s.
size(), __loc);
586 template<
typename _CharT,
typename _Traits,
typename _Allocator>
587 static basic_string<_CharT, _Traits, _Allocator>
588 _S_str_convert(basic_string_view<value_type>,
const _Allocator&);
590 void _M_split_cmpts();
592 _Type _M_type() const noexcept {
return _M_cmpts.type(); }
594 string_type _M_pathname;
600 using value_type = _Cmpt;
601 using iterator = value_type*;
602 using const_iterator =
const value_type*;
606 _List(_List&&) =
default;
607 _List& operator=(
const _List&);
608 _List& operator=(_List&&) =
default;
611 _Type type() const noexcept
612 {
return _Type(
reinterpret_cast<uintptr_t
>(_M_impl.get()) & 0x3); }
614 void type(_Type)
noexcept;
616 int size() const noexcept;
617 bool empty() const noexcept;
619 void swap(_List& __l) noexcept { _M_impl.swap(__l._M_impl); }
620 int capacity() const noexcept;
621 void reserve(
int,
bool);
626 iterator begin() noexcept;
627 iterator end() noexcept;
628 const_iterator begin() const noexcept;
629 const_iterator end() const noexcept;
631 value_type& front() noexcept;
632 value_type& back() noexcept;
633 const value_type& front() const noexcept;
634 const value_type& back() const noexcept;
637 void _M_erase_from(const_iterator __pos);
642 void operator()(_Impl*)
const noexcept;
644 unique_ptr<_Impl, _Impl_deleter> _M_impl;
653 inline void swap(path& __lhs, path& __rhs)
noexcept { __lhs.swap(__rhs); }
655 size_t hash_value(
const path& __p)
noexcept;
663 filesystem_error(
const string& __what_arg, error_code __ec);
665 filesystem_error(
const string& __what_arg,
const path& __p1,
668 filesystem_error(
const string& __what_arg,
const path& __p1,
669 const path& __p2, error_code __ec);
671 filesystem_error(
const filesystem_error&) =
default;
672 filesystem_error& operator=(
const filesystem_error&) =
default;
679 const path& path1() const noexcept;
680 const path& path2() const noexcept;
681 const
char* what() const noexcept;
685 std::__shared_ptr<const _Impl> _M_impl;
692 template<typename _InputIterator,
693 typename _Require = __detail::_Path<_InputIterator, _InputIterator>,
695 = __detail::__value_type_is_char_or_char8_t<_InputIterator>>
697 u8path(_InputIterator __first, _InputIterator __last)
699#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
700 if constexpr (is_same_v<_CharT, char>)
704 path::string_type __tmp;
705 if constexpr (is_pointer_v<_InputIterator>)
707 if (__str_codecvt_in_all(__first, __last, __tmp, __cvt))
708 return path{ __tmp };
713 const char*
const __p = __u8str.
data();
714 if (__str_codecvt_in_all(__p, __p + __u8str.size(), __tmp, __cvt))
715 return path{ __tmp };
717 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
718 "Cannot convert character sequence",
719 std::make_error_code(errc::illegal_byte_sequence)));
722 return path{ __first, __last };
725 return path{ __first, __last };
733 template<
typename _Source,
734 typename _Require = __detail::_Path<_Source>,
735 typename _CharT = __detail::__value_type_is_char_or_char8_t<_Source>>
737 u8path(
const _Source& __source)
739#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
740 if constexpr (is_same_v<_CharT, char>)
742 if constexpr (is_convertible_v<const _Source&, std::string_view>)
744 const std::string_view __s = __source;
745 return filesystem::u8path(__s.data(), __s.data() + __s.size());
749 std::string __s = path::_S_string_from_iter(__source);
750 return filesystem::u8path(__s.
data(), __s.
data() + __s.
size());
754 return path{ __source };
756 return path{ __source };
762 struct path::_Cmpt : path
764 _Cmpt(basic_string_view<value_type> __s, _Type __t,
size_t __pos);
766 _Cmpt() : _M_pos(-1) { }
773 struct path::_Cvt<path::value_type>
775 template<
typename _Iter>
777 _S_convert(_Iter __first, _Iter __last)
778 {
return string_type{__first, __last}; }
781#if !defined _GLIBCXX_FILESYSTEM_IS_WINDOWS && defined _GLIBCXX_USE_CHAR8_T
784 struct path::_Cvt<char8_t>
786 template<
typename _Iter>
788 _S_convert(_Iter __first, _Iter __last)
789 {
return string_type(__first, __last); }
793 template<
typename _CharT>
797 _S_convert(
const _CharT* __f,
const _CharT* __l)
799#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
801 if constexpr (is_same_v<_CharT, char>)
803 struct _UCvt :
std::codecvt<wchar_t, char, std::mbstate_t>
805 if (__str_codecvt_in_all(__f, __l, __wstr, __cvt))
808#ifdef _GLIBCXX_USE_CHAR8_T
809 else if constexpr (is_same_v<_CharT, char8_t>)
811 const char* __f2 = (
const char*)__f;
812 const char* __l2 = (
const char*)__l;
814 if (__str_codecvt_in_all(__f2, __l2, __wstr, __wcvt))
820 struct _UCvt :
std::codecvt<_CharT, char, std::mbstate_t>
823 if (__str_codecvt_out_all(__f, __l, __str, __cvt))
825 const char* __f2 = __str.
data();
826 const char* __l2 = __f2 + __str.
size();
828 if (__str_codecvt_in_all(__f2, __l2, __wstr, __wcvt))
833 struct _UCvt :
std::codecvt<_CharT, char, std::mbstate_t>
836 if (__str_codecvt_out_all(__f, __l, __str, __cvt))
839 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
840 "Cannot convert character sequence",
841 std::make_error_code(errc::illegal_byte_sequence)));
845 _S_convert(_CharT* __f, _CharT* __l)
847 return _S_convert(
const_cast<const _CharT*
>(__f),
848 const_cast<const _CharT*
>(__l));
851 template<
typename _Iter>
853 _S_convert(_Iter __first, _Iter __last)
856 return _S_convert(__str.
data(), __str.
data() + __str.
size());
859 template<
typename _Iter,
typename _Cont>
861 _S_convert(__gnu_cxx::__normal_iterator<_Iter, _Cont> __first,
862 __gnu_cxx::__normal_iterator<_Iter, _Cont> __last)
863 {
return _S_convert(__first.base(), __last.base()); }
873 using value_type = path;
874 using reference =
const path&;
875 using pointer =
const path*;
878 iterator() : _M_path(nullptr), _M_cur(), _M_at_end() { }
880 iterator(
const iterator&) =
default;
881 iterator& operator=(
const iterator&) =
default;
886 iterator& operator++();
887 iterator operator++(
int) {
auto __tmp = *
this; ++*
this;
return __tmp; }
889 iterator& operator--();
890 iterator operator--(
int) {
auto __tmp = *
this; --*
this;
return __tmp; }
892 friend bool operator==(
const iterator& __lhs,
const iterator& __rhs)
893 {
return __lhs._M_equals(__rhs); }
895 friend bool operator!=(
const iterator& __lhs,
const iterator& __rhs)
896 {
return !__lhs._M_equals(__rhs); }
901 bool _M_is_multi()
const {
return _M_path->_M_type() == _Type::_Multi; }
903 friend difference_type
904 __path_iter_distance(
const iterator& __first,
const iterator& __last)
906 __glibcxx_assert(__first._M_path !=
nullptr);
907 __glibcxx_assert(__first._M_path == __last._M_path);
908 if (__first._M_is_multi())
910 else if (__first._M_at_end == __last._M_at_end)
913 return __first._M_at_end ? -1 : 1;
917 __path_iter_advance(iterator& __i, difference_type __n)
925 __glibcxx_assert(__i._M_path !=
nullptr);
926 __glibcxx_assert(__i._M_is_multi());
932 iterator(
const path* __path, path::_List::const_iterator __iter)
933 : _M_path(__path), _M_cur(__iter), _M_at_end()
936 iterator(
const path* __path,
bool __at_end)
937 : _M_path(__path), _M_cur(), _M_at_end(__at_end)
940 bool _M_equals(iterator)
const;
943 path::_List::const_iterator _M_cur;
949 path::operator=(path&& __p)
noexcept
951 if (&__p ==
this) [[__unlikely__]]
954 _M_pathname =
std::move(__p._M_pathname);
961 path::operator=(string_type&& __source)
962 {
return *
this = path(
std::move(__source)); }
965 path::assign(string_type&& __source)
966 {
return *
this = path(
std::move(__source)); }
969 path::operator+=(
const string_type& __x)
976 path::operator+=(
const value_type* __x)
983 path::operator+=(value_type __x)
985 _M_concat(basic_string_view<value_type>(&__x, 1));
990 path::operator+=(basic_string_view<value_type> __x)
996 template<
typename _CharT>
997 inline __detail::_Path<_CharT*, _CharT*>&
998 path::operator+=(_CharT __x)
1001 return concat(__addr, __addr + 1);
1005 path::make_preferred()
1007#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1008 std::replace(_M_pathname.begin(), _M_pathname.end(), L
'/',
1009 preferred_separator);
1014 inline void path::swap(path& __rhs)
noexcept
1016 _M_pathname.swap(__rhs._M_pathname);
1017 _M_cmpts.swap(__rhs._M_cmpts);
1021 template<
typename _CharT,
typename _Traits,
typename _Allocator>
1023 path::_S_str_convert(basic_string_view<value_type> __str,
1024 const _Allocator& __a)
1026 static_assert(!is_same_v<_CharT, value_type>);
1028 using _WString = basic_string<_CharT, _Traits, _Allocator>;
1030 if (__str.size() == 0)
1031 return _WString(__a);
1033#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1038 using _CharAlloc = __alloc_rebind<_Allocator, char>;
1039 using _String = basic_string<char, char_traits<char>, _CharAlloc>;
1040 _String __u8str{_CharAlloc{__a}};
1041 const value_type* __wfirst = __str.data();
1042 const value_type* __wlast = __wfirst + __str.size();
1043 if (__str_codecvt_out_all(__wfirst, __wlast, __u8str, __cvt)) {
1044 if constexpr (is_same_v<_CharT, char>)
1048 const char* __first = __u8str.data();
1049 const char* __last = __first + __u8str.size();
1051 const value_type* __first = __str.data();
1052 const value_type* __last = __first + __str.size();
1056#ifdef _GLIBCXX_USE_CHAR8_T
1057 if constexpr (is_same_v<_CharT, char8_t>)
1058 return _WString(__first, __last, __a);
1063 _WString __wstr(__a);
1064 struct _UCvt :
std::codecvt<_CharT, char, std::mbstate_t> { } __cvt;
1065 if (__str_codecvt_in_all(__first, __last, __wstr, __cvt))
1069#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1072 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
1073 "Cannot convert character sequence",
1074 std::make_error_code(errc::illegal_byte_sequence)));
1078 template<
typename _CharT,
typename _Traits,
typename _Allocator>
1079 inline basic_string<_CharT, _Traits, _Allocator>
1080 path::string(
const _Allocator& __a)
const
1082 if constexpr (is_same_v<_CharT, value_type>)
1083 return { _M_pathname.c_str(), _M_pathname.length(), __a };
1085 return _S_str_convert<_CharT, _Traits>(_M_pathname, __a);
1089 path::string()
const {
return string<char>(); }
1091#if _GLIBCXX_USE_WCHAR_T
1093 path::wstring()
const {
return string<wchar_t>(); }
1096#ifdef _GLIBCXX_USE_CHAR8_T
1097 inline std::u8string
1098 path::u8string()
const {
return string<char8_t>(); }
1101 path::u8string()
const
1103#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1107 const value_type* __first = _M_pathname.data();
1108 const value_type* __last = __first + _M_pathname.size();
1109 if (__str_codecvt_out_all(__first, __last, __str, __cvt))
1111 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
1112 "Cannot convert character sequence",
1113 std::make_error_code(errc::illegal_byte_sequence)));
1121 path::u16string()
const {
return string<char16_t>(); }
1124 path::u32string()
const {
return string<char32_t>(); }
1126 template<
typename _CharT,
typename _Traits,
typename _Allocator>
1128 path::generic_string(
const _Allocator& __a)
const
1130#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1131 const value_type __slash = L
'/';
1133 const value_type __slash =
'/';
1135 using _Alloc2 =
typename allocator_traits<_Allocator>::template
1136 rebind_alloc<value_type>;
1137 basic_string<value_type, char_traits<value_type>, _Alloc2> __str(__a);
1139 if (_M_type() == _Type::_Root_dir)
1140 __str.
assign(1, __slash);
1143 __str.
reserve(_M_pathname.size());
1144 bool __add_slash =
false;
1145 for (
auto& __elem : *this)
1147#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1148 if (__elem._M_type() == _Type::_Root_dir)
1156 __str += basic_string_view<value_type>(__elem._M_pathname);
1157 __add_slash = __elem._M_type() == _Type::_Filename;
1161 if constexpr (is_same_v<_CharT, value_type>)
1164 return _S_str_convert<_CharT, _Traits>(__str, __a);
1168 path::generic_string()
const
1169 {
return generic_string<char>(); }
1171#if _GLIBCXX_USE_WCHAR_T
1173 path::generic_wstring()
const
1174 {
return generic_string<wchar_t>(); }
1177#ifdef _GLIBCXX_USE_CHAR8_T
1178 inline std::u8string
1179 path::generic_u8string()
const
1180 {
return generic_string<char8_t>(); }
1183 path::generic_u8string()
const
1184 {
return generic_string(); }
1188 path::generic_u16string()
const
1189 {
return generic_string<char16_t>(); }
1192 path::generic_u32string()
const
1193 {
return generic_string<char32_t>(); }
1196 path::compare(
const string_type& __s)
const noexcept
1197 {
return compare(basic_string_view<value_type>(__s)); }
1200 path::compare(
const value_type* __s)
const noexcept
1201 {
return compare(basic_string_view<value_type>(__s)); }
1204 path::filename()
const
1208 else if (_M_type() == _Type::_Filename)
1210 else if (_M_type() == _Type::_Multi)
1212 if (_M_pathname.back() == preferred_separator)
1214 auto __last = --
end();
1215 if (__last->_M_type() == _Type::_Filename)
1224 auto ext = _M_find_extension();
1225 if (ext.first && ext.second != 0)
1226 return path{ext.first->substr(0, ext.second)};
1231 path::extension()
const
1233 auto ext = _M_find_extension();
1234 if (ext.first && ext.second != string_type::npos)
1235 return path{ext.first->substr(ext.second)};
1240 path::has_stem() const noexcept
1242 auto ext = _M_find_extension();
1243 return ext.first && ext.second != 0;
1247 path::has_extension() const noexcept
1249 auto ext = _M_find_extension();
1250 return ext.first && ext.second != string_type::npos;
1254 path::is_absolute() const noexcept
1256#ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS
1257 return has_root_name() && has_root_directory();
1259 return has_root_directory();
1263 inline path::iterator
1266 if (_M_type() == _Type::_Multi)
1267 return iterator(
this, _M_cmpts.begin());
1268 return iterator(
this, empty());
1271 inline path::iterator
1274 if (_M_type() == _Type::_Multi)
1275 return iterator(
this, _M_cmpts.end());
1276 return iterator(
this,
true);
1279 inline path::iterator&
1280 path::iterator::operator++()
1282 __glibcxx_assert(_M_path !=
nullptr);
1283 if (_M_path->_M_type() == _Type::_Multi)
1285 __glibcxx_assert(_M_cur != _M_path->_M_cmpts.end());
1290 __glibcxx_assert(!_M_at_end);
1296 inline path::iterator&
1297 path::iterator::operator--()
1299 __glibcxx_assert(_M_path !=
nullptr);
1300 if (_M_path->_M_type() == _Type::_Multi)
1302 __glibcxx_assert(_M_cur != _M_path->_M_cmpts.begin());
1307 __glibcxx_assert(_M_at_end);
1313 inline path::iterator::reference
1314 path::iterator::operator*()
const
1316 __glibcxx_assert(_M_path !=
nullptr);
1317 if (_M_path->_M_type() == _Type::_Multi)
1319 __glibcxx_assert(_M_cur != _M_path->_M_cmpts.end());
1326 path::iterator::_M_equals(iterator __rhs)
const
1328 if (_M_path != __rhs._M_path)
1330 if (_M_path ==
nullptr)
1332 if (_M_path->_M_type() == path::_Type::_Multi)
1333 return _M_cur == __rhs._M_cur;
1334 return _M_at_end == __rhs._M_at_end;
1338_GLIBCXX_END_NAMESPACE_CXX11
1342distance(filesystem::path::iterator __first, filesystem::path::iterator __last)
1343{
return __path_iter_distance(__first, __last); }
1345template<
typename _Distance>
1347 advance(filesystem::path::iterator& __i, _Distance __n)
1348 { __path_iter_advance(__i,
static_cast<ptrdiff_t
>(__n)); }
1350extern template class __shared_ptr<const filesystem::filesystem_error::_Impl>;
1352_GLIBCXX_END_NAMESPACE_VERSION
constexpr complex< _Tp > operator*(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x times y.
constexpr complex< _Tp > operator/(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x divided by y.
typename enable_if< _Cond, _Tp >::type enable_if_t
Alias template for enable_if.
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
_Tp * end(valarray< _Tp > &__va) noexcept
Return an iterator pointing to one past the last element of the valarray.
_Tp * begin(valarray< _Tp > &__va) noexcept
Return an iterator pointing to the first element of the valarray.
basic_string< char > string
A string of char.
basic_string< char32_t > u32string
A string of char32_t.
basic_string< char16_t > u16string
A string of char16_t.
basic_string< wchar_t > wstring
A string of wchar_t.
ISO C++ entities toplevel namespace is std.
constexpr iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
constexpr void advance(_InputIterator &__i, _Distance __n)
A generalization of pointer arithmetic.
std::basic_istream< _CharT, _Traits > & operator>>(std::basic_istream< _CharT, _Traits > &__is, bitset< _Nb > &__x)
Global I/O operators for bitsets.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
auto quoted(const _CharT *__string, _CharT __delim=_CharT('"'), _CharT __escape = _CharT('\\'))
Manipulator for quoted strings.
An exception type that includes an error_code value.
const _CharT * data() const noexcept
Return const pointer to contents.
void reserve(size_type __res_arg=0)
Attempt to preallocate enough memory for specified number of characters.
basic_string & assign(const basic_string &__str)
Set value to contents of another string.
size_type size() const noexcept
Returns the number of characters in the string, not including any null-termination.
Primary class template codecvt.
Traits class for iterators.
Container class for localization functionality.
Bidirectional iterators support a superset of forward iterator operations.