punish v6.8.18.0

Questionable.Model/Questionable.Model.Questing/ExcelRef.cs

@@ -0,0 +1,83 @@
+using System;
+
+namespace Questionable.Model.Questing;
+
+public class ExcelRef
+{
+	public enum EType
+	{
+		None,
+		Key,
+		RowId,
+		RawString
+	}
+
+	private readonly string? _stringValue;
+
+	private readonly uint? _rowIdValue;
+
+	public EType Type { get; }
+
+	public ExcelRef(string value)
+	{
+		_stringValue = value;
+		_rowIdValue = null;
+		Type = EType.Key;
+	}
+
+	public ExcelRef(uint value)
+	{
+		_stringValue = null;
+		_rowIdValue = value;
+		Type = EType.RowId;
+	}
+
+	private ExcelRef(string? stringValue, uint? rowIdValue, EType type)
+	{
+		_stringValue = stringValue;
+		_rowIdValue = rowIdValue;
+		Type = type;
+	}
+
+	public static ExcelRef FromKey(string value)
+	{
+		return new ExcelRef(value, null, EType.Key);
+	}
+
+	public static ExcelRef FromRowId(uint rowId)
+	{
+		return new ExcelRef(null, rowId, EType.RowId);
+	}
+
+	public static ExcelRef FromSheetValue(string value)
+	{
+		return new ExcelRef(value, null, EType.RawString);
+	}
+
+	public string AsKey()
+	{
+		if (Type != EType.Key)
+		{
+			throw new InvalidOperationException();
+		}
+		return _stringValue;
+	}
+
+	public uint AsRowId()
+	{
+		if (Type != EType.RowId)
+		{
+			throw new InvalidOperationException();
+		}
+		return _rowIdValue.Value;
+	}
+
+	public string AsRawString()
+	{
+		if (Type != EType.RawString)
+		{
+			throw new InvalidOperationException();
+		}
+		return _stringValue;
+	}
+}