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// -*- 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
//
//===----------------------------------------------------------------------===//
// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html
#ifndef _LIBCPP___CHRONO_TZDB_LIST_H
#define _LIBCPP___CHRONO_TZDB_LIST_H
#include <version>
// Enable the contents of the header only when libc++ was built with experimental features enabled.
#if !defined(_LIBCPP_HAS_NO_INCOMPLETE_TZDB)
# include <__availability>
# include <__chrono/tzdb.h>
# include <forward_list>
# include <string_view>
# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
# endif
_LIBCPP_BEGIN_NAMESPACE_STD
# if _LIBCPP_STD_VER >= 20 && !defined(_LIBCPP_HAS_NO_TIME_ZONE_DATABASE) && !defined(_LIBCPP_HAS_NO_FILESYSTEM) && \
!defined(_LIBCPP_HAS_NO_LOCALIZATION)
namespace chrono {
class _LIBCPP_AVAILABILITY_TZDB tzdb_list {
public:
_LIBCPP_EXPORTED_FROM_ABI explicit tzdb_list(tzdb&& __tzdb);
_LIBCPP_EXPORTED_FROM_ABI ~tzdb_list();
tzdb_list(const tzdb_list&) = delete;
tzdb_list& operator=(const tzdb_list&) = delete;
using const_iterator = forward_list<tzdb>::const_iterator;
_LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const tzdb& front() const noexcept;
_LIBCPP_EXPORTED_FROM_ABI const_iterator erase_after(const_iterator __p);
_LIBCPP_EXPORTED_FROM_ABI tzdb& __emplace_front(tzdb&& __tzdb);
_LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const_iterator begin() const noexcept;
_LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const_iterator end() const noexcept;
_LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const_iterator cbegin() const noexcept;
_LIBCPP_NODISCARD_EXT _LIBCPP_EXPORTED_FROM_ABI const_iterator cend() const noexcept;
private:
class __impl;
__impl* __impl_;
};
_LIBCPP_NODISCARD_EXT _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI tzdb_list& get_tzdb_list();
_LIBCPP_NODISCARD_EXT _LIBCPP_AVAILABILITY_TZDB _LIBCPP_HIDE_FROM_ABI inline const tzdb& get_tzdb() {
return get_tzdb_list().front();
}
_LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI const tzdb& reload_tzdb();
_LIBCPP_NODISCARD_EXT _LIBCPP_AVAILABILITY_TZDB _LIBCPP_EXPORTED_FROM_ABI string remote_version();
} // namespace chrono
# endif // _LIBCPP_STD_VER >= 20 && !defined(_LIBCPP_HAS_NO_TIME_ZONE_DATABASE) && !defined(_LIBCPP_HAS_NO_FILESYSTEM)
// && !defined(_LIBCPP_HAS_NO_LOCALIZATION)
_LIBCPP_END_NAMESPACE_STD
#endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_TZDB)
#endif // _LIBCPP___CHRONO_TZDB_LIST_H
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