Update to WiX Intermediate Representation

1 files changed, 26 insertions, 0 deletions

diff --git a/src/WixToolset.Core/Link/IntermediateTupleExtensions.cs b/src/WixToolset.Core/Link/IntermediateTupleExtensions.cs
new file mode 100644
index 00000000..c4c12e81
--- /dev/null
+++ b/src/WixToolset.Core/Link/IntermediateTupleExtensions.cs
@@ -0,0 +1,26 @@
+// 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.Core.Link
+{
+    using WixToolset.Data;
+
+    internal static class IntermediateTupleExtensions
+    {
+        public static bool IsIdentical(this IntermediateTuple first, IntermediateTuple second)
+        {
+            var identical = (first.Definition.Type == second.Definition.Type && 
+                             first.Definition.Name == second.Definition.Name && 
+                             first.Definition.FieldDefinitions.Length == second.Definition.FieldDefinitions.Length);
+
+            for (int i = 0; identical && i < first.Definition.FieldDefinitions.Length; ++i)
+            {
+                var firstField = first[i];
+                var secondField = second[i];
+
+                identical = (firstField.AsString() == secondField.AsString());
+            }
+
+            return identical;
+        }
+    }
+}