forked from OSchip/llvm-project
97 lines
3.2 KiB
C++
97 lines
3.2 KiB
C++
// -*- C++ -*-
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef _LIBCPP___FILESYSTEM_U8PATH_H
|
|
#define _LIBCPP___FILESYSTEM_U8PATH_H
|
|
|
|
#include <__availability>
|
|
#include <__config>
|
|
#include <__filesystem/path.h>
|
|
#include <type_traits>
|
|
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
|
|
_LIBCPP_BEGIN_NAMESPACE_FILESYSTEM
|
|
|
|
_LIBCPP_AVAILABILITY_FILESYSTEM_PUSH
|
|
|
|
template <class _InputIt>
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T
|
|
typename enable_if<__is_pathable<_InputIt>::value, path>::type
|
|
u8path(_InputIt __f, _InputIt __l) {
|
|
static_assert(
|
|
#ifndef _LIBCPP_HAS_NO_CHAR8_T
|
|
is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value ||
|
|
#endif
|
|
is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,
|
|
"u8path(Iter, Iter) requires Iter have a value_type of type 'char'"
|
|
" or 'char8_t'");
|
|
#if defined(_LIBCPP_WIN32API)
|
|
string __tmp(__f, __l);
|
|
using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>;
|
|
_VSTD::wstring __w;
|
|
__w.reserve(__tmp.size());
|
|
_CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size());
|
|
return path(__w);
|
|
#else
|
|
return path(__f, __l);
|
|
#endif /* !_LIBCPP_WIN32API */
|
|
}
|
|
|
|
#if defined(_LIBCPP_WIN32API)
|
|
template <class _InputIt>
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T
|
|
typename enable_if<__is_pathable<_InputIt>::value, path>::type
|
|
u8path(_InputIt __f, _NullSentinel) {
|
|
static_assert(
|
|
#ifndef _LIBCPP_HAS_NO_CHAR8_T
|
|
is_same<typename __is_pathable<_InputIt>::__char_type, char8_t>::value ||
|
|
#endif
|
|
is_same<typename __is_pathable<_InputIt>::__char_type, char>::value,
|
|
"u8path(Iter, Iter) requires Iter have a value_type of type 'char'"
|
|
" or 'char8_t'");
|
|
string __tmp;
|
|
const char __sentinel = char{};
|
|
for (; *__f != __sentinel; ++__f)
|
|
__tmp.push_back(*__f);
|
|
using _CVT = __widen_from_utf8<sizeof(wchar_t) * __CHAR_BIT__>;
|
|
_VSTD::wstring __w;
|
|
__w.reserve(__tmp.size());
|
|
_CVT()(back_inserter(__w), __tmp.data(), __tmp.data() + __tmp.size());
|
|
return path(__w);
|
|
}
|
|
#endif /* _LIBCPP_WIN32API */
|
|
|
|
template <class _Source>
|
|
_LIBCPP_INLINE_VISIBILITY _LIBCPP_DEPRECATED_WITH_CHAR8_T
|
|
typename enable_if<__is_pathable<_Source>::value, path>::type
|
|
u8path(const _Source& __s) {
|
|
static_assert(
|
|
#ifndef _LIBCPP_HAS_NO_CHAR8_T
|
|
is_same<typename __is_pathable<_Source>::__char_type, char8_t>::value ||
|
|
#endif
|
|
is_same<typename __is_pathable<_Source>::__char_type, char>::value,
|
|
"u8path(Source const&) requires Source have a character type of type "
|
|
"'char' or 'char8_t'");
|
|
#if defined(_LIBCPP_WIN32API)
|
|
using _Traits = __is_pathable<_Source>;
|
|
return u8path(_VSTD::__unwrap_iter(_Traits::__range_begin(__s)), _VSTD::__unwrap_iter(_Traits::__range_end(__s)));
|
|
#else
|
|
return path(__s);
|
|
#endif
|
|
}
|
|
|
|
_LIBCPP_AVAILABILITY_FILESYSTEM_POP
|
|
|
|
_LIBCPP_END_NAMESPACE_FILESYSTEM
|
|
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
#endif // _LIBCPP___FILESYSTEM_U8PATH_H
|