1 files changed, 59 insertions, 0 deletions

diff --git a/src/wixext/Tuples/VSTupleDefinitions.cs b/src/wixext/Tuples/VSTupleDefinitions.cs
new file mode 100644
index 00000000..fadcf808
--- /dev/null
+++ b/src/wixext/Tuples/VSTupleDefinitions.cs
@@ -0,0 +1,59 @@
+// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
+
+namespace WixToolset.VisualStudio
+{
+    using System;
+    using WixToolset.Data;
+
+    public enum VSTupleDefinitionType
+    {
+        HelpFile,
+        HelpFileToNamespace,
+        HelpFilter,
+        HelpFilterToNamespace,
+        HelpNamespace,
+        HelpPlugin,
+    }
+
+    public static partial class VSTupleDefinitions
+    {
+        public static readonly Version Version = new Version("4.0.0");
+
+        public static IntermediateTupleDefinition ByName(string name)
+        {
+            if (!Enum.TryParse(name, out VSTupleDefinitionType type))
+            {
+                return null;
+            }
+
+            return ByType(type);
+        }
+
+        public static IntermediateTupleDefinition ByType(VSTupleDefinitionType type)
+        {
+            switch (type)
+            {
+                case VSTupleDefinitionType.HelpFile:
+                    return VSTupleDefinitions.HelpFile;
+
+                case VSTupleDefinitionType.HelpFileToNamespace:
+                    return VSTupleDefinitions.HelpFileToNamespace;
+
+                case VSTupleDefinitionType.HelpFilter:
+                    return VSTupleDefinitions.HelpFilter;
+
+                case VSTupleDefinitionType.HelpFilterToNamespace:
+                    return VSTupleDefinitions.HelpFilterToNamespace;
+
+                case VSTupleDefinitionType.HelpNamespace:
+                    return VSTupleDefinitions.HelpNamespace;
+
+                case VSTupleDefinitionType.HelpPlugin:
+                    return VSTupleDefinitions.HelpPlugin;
+
+                default:
+                    throw new ArgumentOutOfRangeException(nameof(type));
+            }
+        }
+    }
+}