75 lines
2.0 KiB
C#
75 lines
2.0 KiB
C#
//
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// Date.cs
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//
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// Author:
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// Michael Becker <alcexhim@gmail.com>
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//
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// Copyright (c) 2020 Mike Becker's Software
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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using System;
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namespace UniversalEditor.Plugins.Genealogy.ObjectModels.FamilyTree
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{
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public class Date
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{
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public int? Year { get; set; } = null;
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public int? Month { get; set; } = null;
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public int? Day { get; set; } = null;
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public static Date Parse(string value)
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{
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Date date = new Date();
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if (value.Length == 10 && value.Contains("-"))
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{
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// yyyy-mm-dd format
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string[] parts = value.Split(new char[] { '-' });
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if ((parts.Length == 3 && (parts[0].Length == 4 && parts[1].Length > 0 && parts[1].Length <= 2 && parts[2].Length > 0 && parts[2].Length <= 2)))
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{
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if (int.TryParse(parts[1], out int month) && int.TryParse(parts[2], out int day))
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{
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if (month != 0)
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date.Month = month;
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if (day != 0)
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date.Day = day;
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}
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if (parts[0] == "????")
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{
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date.Year = null;
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}
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else if (int.TryParse(parts[0], out int year))
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{
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date.Year = year;
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}
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}
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else
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{
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throw new FormatException("must be in yyyy-mm-dd format");
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}
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}
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else if (value.Length == 4)
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{
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if (int.TryParse(value, out int year))
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{
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date.Year = year;
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}
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else
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{
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throw new FormatException("single four-digit component date must be an integer");
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}
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}
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return date;
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}
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}
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}
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