30 #ifndef _GLIBCXX_FS_PATH_H 31 #define _GLIBCXX_FS_PATH_H 1 33 #if __cplusplus >= 201703L 36 #include <type_traits> 42 #include <system_error> 46 #include <bits/shared_ptr.h> 49 #if defined(_WIN32) && !defined(__CYGWIN__) 50 # define _GLIBCXX_FILESYSTEM_IS_WINDOWS 1 54 namespace std _GLIBCXX_VISIBILITY(default)
56 _GLIBCXX_BEGIN_NAMESPACE_VERSION
60 _GLIBCXX_BEGIN_NAMESPACE_CXX11
70 template<
typename _CharT,
typename _Ch = remove_const_t<_CharT>>
71 using __is_encoded_char
72 = __or_<is_same<_Ch, char>, is_same<_Ch, wchar_t>,
73 is_same<_Ch, char16_t>, is_same<_Ch, char32_t>>;
75 template<
typename _Iter,
76 typename _Iter_traits = std::iterator_traits<_Iter>>
77 using __is_path_iter_src
78 = __and_<__is_encoded_char<typename _Iter_traits::value_type>,
80 typename _Iter_traits::iterator_category>>;
82 template<
typename _Iter>
83 static __is_path_iter_src<_Iter>
84 __is_path_src(_Iter,
int);
86 template<
typename _CharT,
typename _Traits,
typename _Alloc>
87 static __is_encoded_char<_CharT>
88 __is_path_src(
const basic_string<_CharT, _Traits, _Alloc>&,
int);
90 template<
typename _CharT,
typename _Traits>
91 static __is_encoded_char<_CharT>
92 __is_path_src(
const basic_string_view<_CharT, _Traits>&,
int);
94 template<
typename _Unknown>
96 __is_path_src(
const _Unknown&, ...);
98 template<
typename _Tp1,
typename _Tp2>
99 struct __constructible_from;
101 template<
typename _Iter>
102 struct __constructible_from<_Iter, _Iter>
103 : __is_path_iter_src<_Iter>
106 template<
typename _Source>
107 struct __constructible_from<_Source, void>
108 : decltype(__is_path_src(std::declval<_Source>(), 0))
111 template<
typename _Tp1,
typename _Tp2 =
void>
112 using _Path =
typename 114 __not_<is_void<_Tp1>>,
115 __constructible_from<_Tp1, _Tp2>>::value,
118 template<
typename _Source>
120 _S_range_begin(_Source __begin) {
return __begin; }
122 struct __null_terminated { };
124 template<
typename _Source>
125 static __null_terminated
126 _S_range_end(_Source) {
return {}; }
128 template<
typename _CharT,
typename _Traits,
typename _Alloc>
130 _S_range_begin(
const basic_string<_CharT, _Traits, _Alloc>& __str)
131 {
return __str.data(); }
133 template<
typename _CharT,
typename _Traits,
typename _Alloc>
135 _S_range_end(
const basic_string<_CharT, _Traits, _Alloc>& __str)
136 {
return __str.data() + __str.size(); }
138 template<
typename _CharT,
typename _Traits>
140 _S_range_begin(
const basic_string_view<_CharT, _Traits>& __str)
141 {
return __str.data(); }
143 template<
typename _CharT,
typename _Traits>
145 _S_range_end(
const basic_string_view<_CharT, _Traits>& __str)
146 {
return __str.data() + __str.size(); }
148 template<
typename _Tp,
149 typename _Iter = decltype(_S_range_begin(std::declval<_Tp>())),
150 typename _Val =
typename std::iterator_traits<_Iter>::value_type>
151 using __value_type_is_char
155 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 156 typedef wchar_t value_type;
157 static constexpr value_type preferred_separator = L
'\\';
159 typedef char value_type;
160 static constexpr value_type preferred_separator =
'/';
164 enum format { native_format, generic_format, auto_format };
170 path(
const path& __p) =
default;
173 #if _GLIBCXX_USE_CXX11_ABI || _GLIBCXX_FULLY_DYNAMIC_STRING == 0 176 : _M_pathname(std::move(__p._M_pathname)),
177 _M_cmpts(std::move(__p._M_cmpts))
180 path(string_type&& __source, format = auto_format)
181 : _M_pathname(
std::move(__source))
182 { _M_split_cmpts(); }
184 template<
typename _Source,
185 typename _Require = _Path<_Source>>
186 path(_Source
const& __source, format = auto_format)
187 : _M_pathname(_S_convert(_S_range_begin(__source),
188 _S_range_end(__source)))
189 { _M_split_cmpts(); }
191 template<
typename _InputIterator,
192 typename _Require = _Path<_InputIterator, _InputIterator>>
193 path(_InputIterator __first, _InputIterator __last, format = auto_format)
194 : _M_pathname(_S_convert(__first, __last))
195 { _M_split_cmpts(); }
197 template<
typename _Source,
198 typename _Require = _Path<_Source>,
199 typename _Require2 = __value_type_is_char<_Source>>
200 path(_Source
const& __source,
const locale& __loc, format = auto_format)
201 : _M_pathname(_S_convert_loc(_S_range_begin(__source),
202 _S_range_end(__source), __loc))
203 { _M_split_cmpts(); }
205 template<
typename _InputIterator,
206 typename _Require = _Path<_InputIterator, _InputIterator>,
207 typename _Require2 = __value_type_is_char<_InputIterator>>
208 path(_InputIterator __first, _InputIterator __last,
const locale& __loc,
209 format = auto_format)
210 : _M_pathname(_S_convert_loc(__first, __last, __loc))
211 { _M_split_cmpts(); }
217 path& operator=(
const path&);
218 path& operator=(path&&) noexcept;
219 path& operator=(string_type&& __source);
220 path& assign(string_type&& __source);
222 template<typename _Source>
224 operator=(_Source const& __source)
225 {
return *
this = path(__source); }
227 template<
typename _Source>
229 assign(_Source
const& __source)
230 {
return *
this = path(__source); }
232 template<
typename _InputIterator>
233 _Path<_InputIterator, _InputIterator>&
234 assign(_InputIterator __first, _InputIterator __last)
235 {
return *
this = path(__first, __last); }
239 path& operator/=(
const path& __p);
241 template <
class _Source>
243 operator/=(_Source
const& __source)
245 _M_append(_S_convert(_S_range_begin(__source), _S_range_end(__source)));
249 template<
typename _Source>
251 append(_Source
const& __source)
253 _M_append(_S_convert(_S_range_begin(__source), _S_range_end(__source)));
257 template<
typename _InputIterator>
258 _Path<_InputIterator, _InputIterator>&
259 append(_InputIterator __first, _InputIterator __last)
261 _M_append(_S_convert(__first, __last));
267 path& operator+=(
const path& __x);
268 path& operator+=(
const string_type& __x);
269 path& operator+=(
const value_type* __x);
270 path& operator+=(value_type __x);
271 path& operator+=(basic_string_view<value_type> __x);
273 template<
typename _Source>
275 operator+=(_Source
const& __x) {
return concat(__x); }
277 template<
typename _CharT>
278 _Path<_CharT*, _CharT*>&
279 operator+=(_CharT __x);
281 template<
typename _Source>
283 concat(_Source
const& __x)
285 _M_concat(_S_convert(_S_range_begin(__x), _S_range_end(__x)));
289 template<
typename _InputIterator>
290 _Path<_InputIterator, _InputIterator>&
291 concat(_InputIterator __first, _InputIterator __last)
293 _M_concat(_S_convert(__first, __last));
299 void clear() noexcept { _M_pathname.clear(); _M_split_cmpts(); }
301 path& make_preferred();
302 path& remove_filename();
303 path& replace_filename(
const path& __replacement);
304 path& replace_extension(
const path& __replacement = path());
306 void swap(path& __rhs) noexcept;
310 const string_type& native() const noexcept {
return _M_pathname; }
311 const value_type* c_str() const noexcept {
return _M_pathname.c_str(); }
312 operator string_type()
const {
return _M_pathname; }
314 template<
typename _CharT,
typename _Traits = std::
char_traits<_CharT>,
315 typename _Allocator = std::allocator<_CharT>>
317 string(
const _Allocator& __a = _Allocator())
const;
320 #if _GLIBCXX_USE_WCHAR_T 328 template<
typename _CharT,
typename _Traits = std::
char_traits<_CharT>,
329 typename _Allocator = std::allocator<_CharT>>
331 generic_string(
const _Allocator& __a = _Allocator())
const;
334 #if _GLIBCXX_USE_WCHAR_T 343 int compare(
const path& __p)
const noexcept;
344 int compare(
const string_type& __s)
const noexcept;
345 int compare(
const value_type* __s)
const noexcept;
346 int compare(basic_string_view<value_type> __s)
const noexcept;
350 path root_name()
const;
351 path root_directory()
const;
352 path root_path()
const;
353 path relative_path()
const;
354 path parent_path()
const;
355 path filename()
const;
357 path extension()
const;
361 [[nodiscard]]
bool empty() const noexcept {
return _M_pathname.empty(); }
362 bool has_root_name() const noexcept;
363 bool has_root_directory() const noexcept;
364 bool has_root_path() const noexcept;
365 bool has_relative_path() const noexcept;
366 bool has_parent_path() const noexcept;
367 bool has_filename() const noexcept;
368 bool has_stem() const noexcept;
369 bool has_extension() const noexcept;
370 bool is_absolute() const noexcept;
371 bool is_relative() const noexcept {
return !is_absolute(); }
374 path lexically_normal()
const;
375 path lexically_relative(
const path& base)
const;
376 path lexically_proximate(
const path& base)
const;
380 typedef iterator const_iterator;
382 iterator
begin()
const;
383 iterator
end()
const;
386 template<
typename _CharT,
typename _Traits>
390 __os <<
std::quoted(__p.string<_CharT, _Traits>());
395 template<
typename _CharT,
typename _Traits>
401 __p = std::move(__tmp);
406 template<
typename _InputIterator,
407 typename _Traits = std::iterator_traits<_InputIterator>,
411 _S_string_from_iter(_InputIterator __source)
414 for (_CharT __ch = *__source; __ch != _CharT(); __ch = *++__source)
420 enum class _Type : unsigned char {
421 _Multi = 0, _Root_name, _Root_dir, _Filename
424 path(basic_string_view<value_type> __str, _Type __type)
427 __glibcxx_assert(__type != _Type::_Multi);
428 _M_cmpts.type(__type);
431 enum class _Split { _Stem, _Extension };
433 void _M_append(basic_string_view<value_type>);
434 void _M_concat(basic_string_view<value_type>);
436 pair<const string_type*, size_t> _M_find_extension() const noexcept;
438 template<typename _CharT>
441 static basic_string_view<value_type>
442 _S_convert(value_type* __src, __null_terminated)
445 static basic_string_view<value_type>
446 _S_convert(
const value_type* __src, __null_terminated)
449 static basic_string_view<value_type>
450 _S_convert(value_type* __first, value_type* __last)
451 {
return {__first, __last - __first}; }
453 static basic_string_view<value_type>
454 _S_convert(
const value_type* __first,
const value_type* __last)
455 {
return {__first, __last - __first}; }
457 template<
typename _Iter>
459 _S_convert(_Iter __first, _Iter __last)
461 using __value_type =
typename std::iterator_traits<_Iter>::value_type;
462 return _Cvt<typename remove_cv<__value_type>::type>::
463 _S_convert(__first, __last);
466 template<
typename _InputIterator>
468 _S_convert(_InputIterator __src, __null_terminated)
471 auto __s = _S_string_from_iter(__src);
473 return string_type(_S_convert(__s.data(), __s.data() + __s.size()));
477 _S_convert_loc(
const char* __first,
const char* __last,
480 template<
typename _Iter>
482 _S_convert_loc(_Iter __first, _Iter __last,
const std::locale& __loc)
485 return _S_convert_loc(__str.data(), __str.data()+__str.size(), __loc);
488 template<
typename _InputIterator>
490 _S_convert_loc(_InputIterator __src, __null_terminated,
494 return _S_convert_loc(__s.data(), __s.data() + __s.size(), __loc);
497 template<
typename _CharT,
typename _Traits,
typename _Allocator>
498 static basic_string<_CharT, _Traits, _Allocator>
499 _S_str_convert(
const string_type&,
const _Allocator& __a);
501 void _M_split_cmpts();
503 _Type _M_type() const noexcept {
return _M_cmpts.type(); }
505 string_type _M_pathname;
511 using value_type = _Cmpt;
512 using iterator = value_type*;
513 using const_iterator =
const value_type*;
517 _List(_List&&) =
default;
518 _List& operator=(
const _List&);
519 _List& operator=(_List&&) =
default;
522 _Type type() const noexcept
523 {
return _Type{reinterpret_cast<uintptr_t>(_M_impl.get()) & 0x3}; }
525 void type(_Type) noexcept;
527 int size() const noexcept;
528 bool empty() const noexcept;
530 void swap(_List& __l) noexcept { _M_impl.swap(__l._M_impl); }
531 int capacity() const noexcept;
532 void reserve(
int,
bool);
539 const_iterator
begin() const;
540 const_iterator
end() const;
542 value_type& front() noexcept;
543 value_type& back() noexcept;
544 const value_type& front() const noexcept;
545 const value_type& back() const noexcept;
548 void _M_erase_from(const_iterator __pos);
553 void operator()(_Impl*)
const noexcept;
555 unique_ptr<_Impl, _Impl_deleter> _M_impl;
562 inline void swap(path& __lhs, path& __rhs) noexcept { __lhs.swap(__rhs); }
567 inline bool operator<(
const path& __lhs,
const path& __rhs) noexcept
568 {
return __lhs.compare(__rhs) < 0; }
571 inline bool operator<=(
const path& __lhs,
const path& __rhs) noexcept
572 {
return !(__rhs < __lhs); }
575 inline bool operator>(
const path& __lhs,
const path& __rhs) noexcept
576 {
return __rhs < __lhs; }
579 inline bool operator>=(
const path& __lhs,
const path& __rhs) noexcept
580 {
return !(__lhs < __rhs); }
583 inline bool operator==(
const path& __lhs,
const path& __rhs) noexcept
584 {
return __lhs.compare(__rhs) == 0; }
587 inline bool operator!=(
const path& __lhs,
const path& __rhs) noexcept
588 {
return !(__lhs == __rhs); }
591 inline path
operator/(
const path& __lhs,
const path& __rhs)
593 path __result(__lhs);
598 template<
typename _InputIterator>
600 u8path(_InputIterator __first, _InputIterator __last)
603 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 604 codecvt_utf8<path::value_type> __cvt;
605 path::string_type __tmp;
606 if constexpr (is_pointer_v<_InputIterator>)
608 if (__str_codecvt_in(__first, __last, __tmp, __cvt))
609 return path{ __tmp };
614 const char*
const __ptr = __u8str.
data();
615 if (__str_codecvt_in(__ptr, __ptr + __u8str.size(), __tmp, __cvt))
616 return path{ __tmp };
620 return path{ __first, __last };
624 template<
typename _Source>
626 u8path(
const _Source& __source)
629 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 630 if constexpr (is_convertible_v<const _Source&, std::string_view>)
632 const std::string_view __s = __source;
633 return filesystem::u8path(__s.data(), __s.data() + __s.size());
637 std::string __s = path::_S_string_from_iter(__source);
638 return filesystem::u8path(__s.data(), __s.data() + __s.size());
641 return path{ __source };
648 filesystem_error(
const string& __what_arg, error_code __ec);
650 filesystem_error(
const string& __what_arg,
const path& __p1,
653 filesystem_error(
const string& __what_arg,
const path& __p1,
654 const path& __p2, error_code __ec);
656 filesystem_error(
const filesystem_error&) =
default;
657 filesystem_error& operator=(
const filesystem_error&) =
default;
664 const path& path1() const noexcept;
665 const path& path2() const noexcept;
666 const
char* what() const noexcept;
670 std::__shared_ptr<const _Impl> _M_impl;
673 struct path::_Cmpt : path
675 _Cmpt(basic_string_view<value_type> __s, _Type __t,
size_t __pos)
676 : path(__s, __t), _M_pos(__pos) { }
678 _Cmpt() : _M_pos(-1) { }
685 struct path::_Cvt<path::value_type>
687 template<
typename _Iter>
689 _S_convert(_Iter __first, _Iter __last)
690 {
return string_type{__first, __last}; }
693 template<
typename _CharT>
696 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 698 _S_wconvert(
const char* __f,
const char* __l,
true_type)
701 const auto& __cvt = std::use_facet<_Cvt>(
std::locale{});
703 if (__str_codecvt_in(__f, __l, __wstr, __cvt))
705 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
706 "Cannot convert character sequence",
707 std::make_error_code(errc::illegal_byte_sequence)));
711 _S_wconvert(
const _CharT* __f,
const _CharT* __l,
false_type)
713 std::codecvt_utf8<_CharT> __cvt;
715 if (__str_codecvt_out(__f, __l, __str, __cvt))
717 const char* __f2 = __str.
data();
718 const char* __l2 = __f2 + __str.size();
719 std::codecvt_utf8<wchar_t> __wcvt;
721 if (__str_codecvt_in(__f2, __l2, __wstr, __wcvt))
724 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
725 "Cannot convert character sequence",
726 std::make_error_code(errc::illegal_byte_sequence)));
730 _S_convert(
const _CharT* __f,
const _CharT* __l)
732 return _S_wconvert(__f, __l, is_same<_CharT, char>{});
736 _S_convert(
const _CharT* __f,
const _CharT* __l)
738 std::codecvt_utf8<_CharT> __cvt;
740 if (__str_codecvt_out(__f, __l, __str, __cvt))
742 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
743 "Cannot convert character sequence",
744 std::make_error_code(errc::illegal_byte_sequence)));
749 _S_convert(_CharT* __f, _CharT* __l)
751 return _S_convert(const_cast<const _CharT*>(__f),
752 const_cast<const _CharT*>(__l));
755 template<
typename _Iter>
757 _S_convert(_Iter __first, _Iter __last)
760 return _S_convert(__str.data(), __str.data() + __str.size());
763 template<
typename _Iter,
typename _Cont>
765 _S_convert(__gnu_cxx::__normal_iterator<_Iter, _Cont> __first,
766 __gnu_cxx::__normal_iterator<_Iter, _Cont> __last)
767 {
return _S_convert(__first.base(), __last.base()); }
774 using difference_type = std::ptrdiff_t;
775 using value_type = path;
776 using reference =
const path&;
777 using pointer =
const path*;
780 iterator() : _M_path(nullptr), _M_cur(), _M_at_end() { }
782 iterator(
const iterator&) =
default;
783 iterator& operator=(
const iterator&) =
default;
788 iterator& operator++();
789 iterator operator++(
int) {
auto __tmp = *
this; ++*
this;
return __tmp; }
791 iterator& operator--();
792 iterator operator--(
int) {
auto __tmp = *
this; --*
this;
return __tmp; }
794 friend bool operator==(
const iterator& __lhs,
const iterator& __rhs)
795 {
return __lhs._M_equals(__rhs); }
797 friend bool operator!=(
const iterator& __lhs,
const iterator& __rhs)
798 {
return !__lhs._M_equals(__rhs); }
803 bool _M_is_multi()
const {
return _M_path->_M_type() == _Type::_Multi; }
805 friend difference_type
806 __path_iter_distance(
const iterator& __first,
const iterator& __last)
808 __glibcxx_assert(__first._M_path !=
nullptr);
809 __glibcxx_assert(__first._M_path == __last._M_path);
810 if (__first._M_is_multi())
812 else if (__first._M_at_end == __last._M_at_end)
815 return __first._M_at_end ? -1 : 1;
819 __path_iter_advance(iterator& __i, difference_type __n)
827 __glibcxx_assert(__i._M_path !=
nullptr);
828 __glibcxx_assert(__i._M_is_multi());
834 iterator(
const path* __path, path::_List::const_iterator __iter)
835 : _M_path(__path), _M_cur(__iter), _M_at_end()
838 iterator(
const path* __path,
bool __at_end)
839 : _M_path(__path), _M_cur(), _M_at_end(__at_end)
842 bool _M_equals(iterator)
const;
845 path::_List::const_iterator _M_cur;
851 path::operator=(path&& __p) noexcept
853 _M_pathname = std::move(__p._M_pathname);
854 _M_cmpts = std::move(__p._M_cmpts);
860 path::operator=(string_type&& __source)
861 {
return *
this = path(std::move(__source)); }
864 path::assign(string_type&& __source)
865 {
return *
this = path(std::move(__source)); }
868 path::operator+=(
const string_type& __x)
875 path::operator+=(
const value_type* __x)
882 path::operator+=(value_type __x)
884 _M_concat(basic_string_view<value_type>(&__x, 1));
889 path::operator+=(basic_string_view<value_type> __x)
895 template<
typename _CharT>
896 inline path::_Path<_CharT*, _CharT*>&
897 path::operator+=(_CharT __x)
900 return concat(__addr, __addr + 1);
904 path::make_preferred()
906 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 907 std::replace(_M_pathname.begin(), _M_pathname.end(), L
'/',
908 preferred_separator);
913 inline void path::swap(path& __rhs) noexcept
915 _M_pathname.swap(__rhs._M_pathname);
916 _M_cmpts.swap(__rhs._M_cmpts);
919 template<
typename _CharT,
typename _Traits,
typename _Allocator>
921 path::_S_str_convert(
const string_type& __str,
const _Allocator& __a)
923 if (__str.size() == 0)
926 const value_type* __first = __str.
data();
927 const value_type* __last = __first + __str.size();
929 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 930 using _CharAlloc = __alloc_rebind<_Allocator, char>;
931 using _String = basic_string<char, char_traits<char>, _CharAlloc>;
932 using _WString = basic_string<_CharT, _Traits, _Allocator>;
935 codecvt_utf8<value_type> __cvt;
936 _String __u8str{_CharAlloc{__a}};
937 if (__str_codecvt_out(__first, __last, __u8str, __cvt))
939 if constexpr (is_same_v<_CharT, char>)
945 codecvt_utf8<_CharT> __cvt;
946 const char* __f = __u8str.
data();
947 const char* __l = __f + __u8str.size();
948 if (__str_codecvt_in(__f, __l, __wstr, __cvt))
953 codecvt_utf8<_CharT> __cvt;
954 basic_string<_CharT, _Traits, _Allocator> __wstr{__a};
955 if (__str_codecvt_in(__first, __last, __wstr, __cvt))
958 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
959 "Cannot convert character sequence",
960 std::make_error_code(errc::illegal_byte_sequence)));
963 template<
typename _CharT,
typename _Traits,
typename _Allocator>
964 inline basic_string<_CharT, _Traits, _Allocator>
967 if constexpr (is_same_v<_CharT, value_type>)
968 return { _M_pathname, __a };
970 return _S_str_convert<_CharT, _Traits>(_M_pathname, __a);
976 #if _GLIBCXX_USE_WCHAR_T 982 path::u8string()
const 984 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 987 codecvt_utf8<value_type> __cvt;
988 const value_type* __first = _M_pathname.
data();
989 const value_type* __last = __first + _M_pathname.size();
990 if (__str_codecvt_out(__first, __last, __str, __cvt))
992 _GLIBCXX_THROW_OR_ABORT(filesystem_error(
993 "Cannot convert character sequence",
994 std::make_error_code(errc::illegal_byte_sequence)));
1006 template<
typename _CharT,
typename _Traits,
typename _Allocator>
1008 path::generic_string(
const _Allocator& __a)
const 1010 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 1011 const value_type __slash = L
'/';
1013 const value_type __slash =
'/';
1015 string_type __str(__a);
1017 if (_M_type() == _Type::_Root_dir)
1018 __str.assign(1, __slash);
1021 __str.reserve(_M_pathname.size());
1022 bool __add_slash =
false;
1023 for (
auto& __elem : *
this)
1027 __str += __elem._M_pathname;
1028 __add_slash = __elem._M_type() == _Type::_Filename;
1032 if constexpr (is_same_v<_CharT, value_type>)
1035 return _S_str_convert<_CharT, _Traits>(__str, __a);
1039 path::generic_string()
const 1040 {
return generic_string<char>(); }
1042 #if _GLIBCXX_USE_WCHAR_T 1044 path::generic_wstring()
const 1045 {
return generic_string<wchar_t>(); }
1049 path::generic_u8string()
const 1050 {
return generic_string(); }
1053 path::generic_u16string()
const 1054 {
return generic_string<char16_t>(); }
1057 path::generic_u32string()
const 1058 {
return generic_string<char32_t>(); }
1061 path::compare(
const string_type& __s)
const noexcept
1062 {
return compare(basic_string_view<value_type>(__s)); }
1065 path::compare(
const value_type* __s)
const noexcept
1066 {
return compare(basic_string_view<value_type>(__s)); }
1069 path::filename()
const 1073 else if (_M_type() == _Type::_Filename)
1075 else if (_M_type() == _Type::_Multi)
1077 if (_M_pathname.back() == preferred_separator)
1079 auto& __last = *--
end();
1080 if (__last._M_type() == _Type::_Filename)
1089 auto ext = _M_find_extension();
1090 if (ext.first && ext.second != 0)
1091 return path{ext.first->substr(0, ext.second)};
1096 path::extension()
const 1098 auto ext = _M_find_extension();
1099 if (ext.first && ext.second != string_type::npos)
1100 return path{ext.first->substr(ext.second)};
1105 path::has_stem() const noexcept
1107 auto ext = _M_find_extension();
1108 return ext.first && ext.second != 0;
1112 path::has_extension() const noexcept
1114 auto ext = _M_find_extension();
1115 return ext.first && ext.second != string_type::npos;
1119 path::is_absolute() const noexcept
1121 #ifdef _GLIBCXX_FILESYSTEM_IS_WINDOWS 1122 return has_root_name() && has_root_directory();
1124 return has_root_directory();
1128 inline path::iterator
1131 if (_M_type() == _Type::_Multi)
1132 return iterator(
this, _M_cmpts.begin());
1133 return iterator(
this, empty());
1136 inline path::iterator
1139 if (_M_type() == _Type::_Multi)
1140 return iterator(
this, _M_cmpts.end());
1141 return iterator(
this,
true);
1144 inline path::iterator&
1145 path::iterator::operator++()
1147 __glibcxx_assert(_M_path !=
nullptr);
1148 if (_M_path->_M_type() == _Type::_Multi)
1150 __glibcxx_assert(_M_cur != _M_path->_M_cmpts.end());
1155 __glibcxx_assert(!_M_at_end);
1161 inline path::iterator&
1162 path::iterator::operator--()
1164 __glibcxx_assert(_M_path !=
nullptr);
1165 if (_M_path->_M_type() == _Type::_Multi)
1167 __glibcxx_assert(_M_cur != _M_path->_M_cmpts.begin());
1172 __glibcxx_assert(_M_at_end);
1178 inline path::iterator::reference
1179 path::iterator::operator*()
const 1181 __glibcxx_assert(_M_path !=
nullptr);
1182 if (_M_path->_M_type() == _Type::_Multi)
1184 __glibcxx_assert(_M_cur != _M_path->_M_cmpts.end());
1191 path::iterator::_M_equals(iterator __rhs)
const 1193 if (_M_path != __rhs._M_path)
1195 if (_M_path ==
nullptr)
1197 if (_M_path->_M_type() == path::_Type::_Multi)
1198 return _M_cur == __rhs._M_cur;
1199 return _M_at_end == __rhs._M_at_end;
1203 _GLIBCXX_END_NAMESPACE_CXX11
1207 distance(filesystem::path::iterator __first, filesystem::path::iterator __last)
1208 {
return __path_iter_distance(__first, __last); }
1210 template<
typename _InputIterator,
typename _Distance>
1212 advance(filesystem::path::iterator& __i, _Distance __n)
1213 { __path_iter_advance(__i, static_cast<ptrdiff_t>(__n)); }
1215 extern template class __shared_ptr<const filesystem::filesystem_error::_Impl>;
1217 _GLIBCXX_END_NAMESPACE_VERSION
1222 #endif // _GLIBCXX_FS_PATH_H size_t hash_value(const path &__p) noexcept
Compare paths.
typename enable_if< _Cond, _Tp >::type enable_if_t
Alias template for enable_if.
Template class basic_istream.
Thrown to indicate error code of underlying system.
Define a member typedef type only if a boolean constant is true.
_GLIBCXX20_CONSTEXPR complex< _Tp > operator/(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x divided by y.
constexpr const _Tp * end(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to one past the last element of the initializer_list.
path u8path(const _Source &__source)
Compare paths.
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
constexpr const _Tp * begin(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to the first element of the initializer_list.
ISO C++ entities toplevel namespace is std.
basic_string< char16_t > u16string
A string of char16_t.
basic_string< wchar_t > wstring
A string of wchar_t.
auto quoted(const _CharT *__string, _CharT __delim=_CharT('"'), _CharT __escape = _CharT('\\'))
Manipulator for quoted strings.
_GLIBCXX_END_NAMESPACE_CXX11 typedef basic_string< char > string
A string of char.
static const locale & classic()
Return reference to the C locale.
Container class for localization functionality.The locale class is first a class wrapper for C librar...
_GLIBCXX17_CONSTEXPR iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
typename remove_cv< _Tp >::type remove_cv_t
Alias template for remove_cv.
const _CharT * data() const noexcept
Return const pointer to contents.
Template class basic_ostream.
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
_GLIBCXX20_CONSTEXPR complex< _Tp > operator*(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x times y.
Class codecvt<wchar_t, char, mbstate_t> specialization.
std::basic_istream< _CharT, _Traits > & operator>>(std::basic_istream< _CharT, _Traits > &__is, bitset< _Nb > &__x)
Global I/O operators for bitsets.
basic_string< char32_t > u32string
A string of char32_t.
_GLIBCXX17_CONSTEXPR void advance(_InputIterator &__i, _Distance __n)
A generalization of pointer arithmetic.
std::basic_ostream< _CharT, _Traits > & operator<<(std::basic_ostream< _CharT, _Traits > &__os, const bitset< _Nb > &__x)
Global I/O operators for bitsets.
Bidirectional iterators support a superset of forward iterator operations.
void push_back(_CharT __c)
Append a single character.
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
void replace(_ForwardIterator __first, _ForwardIterator __last, const _Tp &__old_value, const _Tp &__new_value)
Replace each occurrence of one value in a sequence with another value.