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1// -*- C++ -*-2//===----------------------------------------------------------------------===//3//4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.5// See https://llvm.org/LICENSE.txt for license information.6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception7//8//===----------------------------------------------------------------------===//9 10#ifndef _LIBCPP___FILESYSTEM_U8PATH_H11#define _LIBCPP___FILESYSTEM_U8PATH_H12 13#include <__algorithm/unwrap_iter.h>14#include <__config>15#include <__filesystem/path.h>16#include <__locale>17#include <string>18 19#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)20# pragma GCC system_header21#endif22 23#if _LIBCPP_STD_VER >= 1724 25_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM26 27# if !defined(_LIBCPP_WIN32API) || _LIBCPP_HAS_LOCALIZATION28template <class _InputIt, __enable_if_t<__is_pathable<_InputIt>::value, int> = 0>29_LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_WITH_CHAR8_T path u8path(_InputIt __f, _InputIt __l) {30 static_assert(31# if _LIBCPP_HAS_CHAR8_T32 is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value ||33# endif34 is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,35 "u8path(Iter, Iter) requires Iter have a value_type of type 'char'"36 " or 'char8_t'");37# if defined(_LIBCPP_WIN32API)38 string __tmp(__f, __l);39 using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>;40 std::wstring __w;41 __w.reserve(__tmp.size());42 _CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size());43 return path(__w);44# else45 return path(__f, __l);46# endif // defined(_LIBCPP_WIN32API)47}48# endif // !defined(_LIBCPP_WIN32API) || _LIBCPP_HAS_LOCALIZATION49 50# if defined(_LIBCPP_WIN32API) && _LIBCPP_HAS_LOCALIZATION51template <class _InputIt, __enable_if_t<__is_pathable<_InputIt>::value, int> = 0>52_LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_WITH_CHAR8_T path u8path(_InputIt __f, _NullSentinel) {53 static_assert(54# if _LIBCPP_HAS_CHAR8_T55 is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value ||56# endif57 is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,58 "u8path(Iter, Iter) requires Iter have a value_type of type 'char'"59 " or 'char8_t'");60 string __tmp;61 const char __sentinel = char{};62 for (; *__f != __sentinel; ++__f)63 __tmp.push_back(*__f);64 using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>;65 std::wstring __w;66 __w.reserve(__tmp.size());67 _CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size());68 return path(__w);69}70# endif // defined(_LIBCPP_WIN32API) && _LIBCPP_HAS_LOCALIZATION71 72template <class _Source, __enable_if_t<__is_pathable<_Source>::value, int> = 0>73_LIBCPP_HIDE_FROM_ABI _LIBCPP_DEPRECATED_WITH_CHAR8_T path u8path(const _Source& __s) {74 static_assert(75# if _LIBCPP_HAS_CHAR8_T76 is_same<typename __is_pathable<_Source>::__char_type, char8_t>::value ||77# endif78 is_same<typename __is_pathable<_Source>::__char_type, char>::value,79 "u8path(Source const&) requires Source have a character type of type "80 "'char' or 'char8_t'");81# if defined(_LIBCPP_WIN32API)82 using _Traits = __is_pathable<_Source>;83 return u8path(std::__unwrap_iter(_Traits::__range_begin(__s)), std::__unwrap_iter(_Traits::__range_end(__s)));84# else85 return path(__s);86# endif87}88 89_LIBCPP_END_NAMESPACE_FILESYSTEM90 91#endif // _LIBCPP_STD_VER >= 1792 93#endif // _LIBCPP___FILESYSTEM_U8PATH_H94