date.hpp

// Copyright (c) 2014-2022 Thomas Fussell
// Copyright (c) 2024-2025 xlnt-community
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE
//
// @license: http://www.opensource.org/licenses/mit-license.php
// @author: see AUTHORS file

#pragma once

#include <xlnt/xlnt_config.hpp>
#include <xlnt/utils/calendar.hpp>

namespace xlnt {

struct XLNT_API date
{
    static date today();

    static date from_number(int days_since_base_year, calendar base_date);

    date(int year_, int month_, int day_);

    date() = default;

    int to_number(calendar base_date) const;

    int weekday() const;

    int get_year() const;

    int get_month() const;

    int get_day() const;

    bool is_null() const
    {
        return _is_null;
    }

    bool operator==(const date &comparand) const;

    bool operator!=(const date &comparand) const;



    int year = 0;

    int month = 0;

    int day = 0;


private:

    bool _is_null = true;
};

} // namespace xlnt