10eae32dcSDimitry Andric // -*- C++ -*- 20eae32dcSDimitry Andric //===----------------------------------------------------------------------===// 30eae32dcSDimitry Andric // 40eae32dcSDimitry Andric // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 50eae32dcSDimitry Andric // See https://llvm.org/LICENSE.txt for license information. 60eae32dcSDimitry Andric // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 70eae32dcSDimitry Andric // 80eae32dcSDimitry Andric //===----------------------------------------------------------------------===// 90eae32dcSDimitry Andric 100eae32dcSDimitry Andric #ifndef _LIBCPP___FILESYSTEM_U8PATH_H 110eae32dcSDimitry Andric #define _LIBCPP___FILESYSTEM_U8PATH_H 120eae32dcSDimitry Andric 1381ad6265SDimitry Andric #include <__algorithm/unwrap_iter.h> 140eae32dcSDimitry Andric #include <__config> 150eae32dcSDimitry Andric #include <__filesystem/path.h> 1681ad6265SDimitry Andric #include <string> 170eae32dcSDimitry Andric 1881ad6265SDimitry Andric // Only required on Windows for __widen_from_utf8, and included conservatively 1981ad6265SDimitry Andric // because it requires support for localization. 2081ad6265SDimitry Andric #if defined(_LIBCPP_WIN32API) 2181ad6265SDimitry Andric # include <locale> 2281ad6265SDimitry Andric #endif 2381ad6265SDimitry Andric 2481ad6265SDimitry Andric #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 2581ad6265SDimitry Andric # pragma GCC system_header 2681ad6265SDimitry Andric #endif 2781ad6265SDimitry Andric 285f757f3fSDimitry Andric #if _LIBCPP_STD_VER >= 17 290eae32dcSDimitry Andric 300eae32dcSDimitry Andric _LIBCPP_BEGIN_NAMESPACE_FILESYSTEM 310eae32dcSDimitry Andric 3206c3fb27SDimitry Andric _LIBCPP_AVAILABILITY_FILESYSTEM_LIBRARY_PUSH 330eae32dcSDimitry Andric 345f757f3fSDimitry Andric template <class _InputIt, __enable_if_t<__is_pathable<_InputIt>::value, int> = 0> 35*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_WITH_CHAR8_T path u8path(_InputIt __f, _InputIt __l) { 360eae32dcSDimitry Andric static_assert( 370eae32dcSDimitry Andric # ifndef _LIBCPP_HAS_NO_CHAR8_T 380eae32dcSDimitry Andric is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value || 390eae32dcSDimitry Andric # endif 400eae32dcSDimitry Andric is_same<typename __is_pathable<_InputIt>::__char_type, char>::value, 410eae32dcSDimitry Andric "u8path(Iter, Iter) requires Iter have a value_type of type 'char'" 420eae32dcSDimitry Andric " or 'char8_t'"); 430eae32dcSDimitry Andric # if defined(_LIBCPP_WIN32API) 440eae32dcSDimitry Andric string __tmp(__f, __l); 450eae32dcSDimitry Andric using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>; 465f757f3fSDimitry Andric std::wstring __w; 470eae32dcSDimitry Andric __w.reserve(__tmp.size()); 480eae32dcSDimitry Andric _CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size()); 490eae32dcSDimitry Andric return path(__w); 500eae32dcSDimitry Andric # else 510eae32dcSDimitry Andric return path(__f, __l); 520eae32dcSDimitry Andric # endif /* !_LIBCPP_WIN32API */ 530eae32dcSDimitry Andric } 540eae32dcSDimitry Andric 550eae32dcSDimitry Andric # if defined(_LIBCPP_WIN32API) 565f757f3fSDimitry Andric template <class _InputIt, __enable_if_t<__is_pathable<_InputIt>::value, int> = 0> 57*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_WITH_CHAR8_T path u8path(_InputIt __f, _NullSentinel) { 580eae32dcSDimitry Andric static_assert( 590eae32dcSDimitry Andric # ifndef _LIBCPP_HAS_NO_CHAR8_T 600eae32dcSDimitry Andric is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value || 610eae32dcSDimitry Andric # endif 620eae32dcSDimitry Andric is_same<typename __is_pathable<_InputIt>::__char_type, char>::value, 630eae32dcSDimitry Andric "u8path(Iter, Iter) requires Iter have a value_type of type 'char'" 640eae32dcSDimitry Andric " or 'char8_t'"); 650eae32dcSDimitry Andric string __tmp; 660eae32dcSDimitry Andric const char __sentinel = char{}; 670eae32dcSDimitry Andric for (; *__f != __sentinel; ++__f) 680eae32dcSDimitry Andric __tmp.push_back(*__f); 690eae32dcSDimitry Andric using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>; 705f757f3fSDimitry Andric std::wstring __w; 710eae32dcSDimitry Andric __w.reserve(__tmp.size()); 720eae32dcSDimitry Andric _CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size()); 730eae32dcSDimitry Andric return path(__w); 740eae32dcSDimitry Andric } 750eae32dcSDimitry Andric # endif /* _LIBCPP_WIN32API */ 760eae32dcSDimitry Andric 775f757f3fSDimitry Andric template <class _Source, __enable_if_t<__is_pathable<_Source>::value, int> = 0> 78*cb14a3feSDimitry Andric _LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_WITH_CHAR8_T path u8path(const _Source& __s) { 790eae32dcSDimitry Andric static_assert( 800eae32dcSDimitry Andric # ifndef _LIBCPP_HAS_NO_CHAR8_T 810eae32dcSDimitry Andric is_same<typename __is_pathable<_Source>::__char_type, char8_t>::value || 820eae32dcSDimitry Andric # endif 830eae32dcSDimitry Andric is_same<typename __is_pathable<_Source>::__char_type, char>::value, 840eae32dcSDimitry Andric "u8path(Source const&) requires Source have a character type of type " 850eae32dcSDimitry Andric "'char' or 'char8_t'"); 860eae32dcSDimitry Andric # if defined(_LIBCPP_WIN32API) 870eae32dcSDimitry Andric using _Traits = __is_pathable<_Source>; 885f757f3fSDimitry Andric return u8path(std::__unwrap_iter(_Traits::__range_begin(__s)), std::__unwrap_iter(_Traits::__range_end(__s))); 890eae32dcSDimitry Andric # else 900eae32dcSDimitry Andric return path(__s); 910eae32dcSDimitry Andric # endif 920eae32dcSDimitry Andric } 930eae32dcSDimitry Andric 9406c3fb27SDimitry Andric _LIBCPP_AVAILABILITY_FILESYSTEM_LIBRARY_POP 950eae32dcSDimitry Andric 960eae32dcSDimitry Andric _LIBCPP_END_NAMESPACE_FILESYSTEM 970eae32dcSDimitry Andric 985f757f3fSDimitry Andric #endif // _LIBCPP_STD_VER >= 17 990eae32dcSDimitry Andric 1000eae32dcSDimitry Andric #endif // _LIBCPP___FILESYSTEM_U8PATH_H 101