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Core/Utility/TextUtil.cs

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+namespace Core.Utility;
+
+public static class TextUtil
+{
+	/// <summary>
+	/// Get the ordinal value of positive integers.
+	/// </summary>
+	/// <remarks>
+	/// Only works for english-based cultures.
+	/// Code from: http://stackoverflow.com/questions/20156/is-there-a-quick-way-to-create-ordinals-in-c/31066#31066
+	/// With help: http://www.wisegeek.com/what-is-an-ordinal-number.htm
+	/// </remarks>
+	/// <param name="number">The number.</param>
+	/// <returns>Ordinal value of positive integers, or <see cref="int.ToString"/> if less than 1.</returns>
+	/// https://stackoverflow.com/a/620504/99492
+	public static string Ordinal(this int number)
+	{
+		const string TH = "th";
+		string s = number.ToString();
+
+		// Negative and zero have no ordinal representation
+		if (number < 1)
+		{
+			return s;
+		}
+
+		number %= 100;
+		if ((number >= 11) && (number <= 13))
+		{
+			return s + TH;
+		}
+
+		switch (number % 10)
+		{
+			case 1: return s + "st";
+			case 2: return s + "nd";
+			case 3: return s + "rd";
+			default: return s + TH;
+		}
+	}
+
+
+	public static void ConsoleWriteTable(
+		Func<int, int, bool> getVal, string rowHeader, int[] rowVars, string colHeader, int[] colVars)
+	{
+		var chl = $"     {colHeader} 0".Length;
+		var rhl = $"{rowHeader} 0".Length + 3;
+		Console.Write(new string(' ', rhl));
+		foreach (var c in colVars)
+		{
+			Console.Write($"     {colHeader} {c + 1}");
+		}
+		Console.WriteLine();
+		Console.WriteLine();
+		foreach (var r in rowVars)
+		{
+			var rhead = $"{rowHeader} {r + 1}:";
+			Console.Write(rhead.PadRight(rhl));
+			foreach (var c in colVars)
+			{
+				var v = getVal(r, c) ? "1" : " ";
+				Console.Write($"{v.PadLeft(chl)}");
+			}
+
+			Console.WriteLine();
+		}
+		Console.WriteLine();
+	}
+}