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/*
* Copyright 2007-2019 Content Management AG
* All rights reserved.
*
* author: Max Kellermann <mk@cm4all.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TIME_ISO8601_HXX
#define TIME_ISO8601_HXX
#include "util/Compiler.h"
#include <chrono>
#include <utility>
#include <stddef.h>
struct tm;
template<size_t CAPACITY> class StringBuffer;
gcc_pure
StringBuffer<64>
FormatISO8601(const struct tm &tm) noexcept;
gcc_pure
StringBuffer<64>
FormatISO8601(std::chrono::system_clock::time_point tp);
/**
* Parse a time stamp in ISO8601 format.
*
* Throws on error.
*
* @return a pair consisting of the time point and the specified
* precision; e.g. for a date, the second value is "one day"
*/
std::pair<std::chrono::system_clock::time_point,
std::chrono::system_clock::duration>
ParseISO8601(const char *s);
#endif
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