1 files changed, 53 insertions, 0 deletions

diff --git a/src/WixToolset.Core/ExtensibilityServices/WindowsInstallerBackendHelper.cs b/src/WixToolset.Core/ExtensibilityServices/WindowsInstallerBackendHelper.cs
new file mode 100644
index 00000000..3b41fdf1
--- /dev/null
+++ b/src/WixToolset.Core/ExtensibilityServices/WindowsInstallerBackendHelper.cs
@@ -0,0 +1,53 @@
+// 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.ExtensibilityServices
+{
+    using System;
+    using System.Linq;
+    using WixToolset.Data;
+    using WixToolset.Data.WindowsInstaller;
+    using WixToolset.Extensibility.Services;
+
+    internal class WindowsInstallerBackendHelper : IWindowsInstallerBackendHelper
+    {
+        public WindowsInstallerBackendHelper(IServiceProvider serviceProvider)
+        {
+            this.ServiceProvider = serviceProvider;
+        }
+
+        private IServiceProvider ServiceProvider { get; }
+
+        public bool TryAddTupleToOutputMatchingTableDefinitions(IntermediateTuple tuple, Output output, TableDefinition[] tableDefinitions)
+        {
+            var tableDefinition = tableDefinitions.FirstOrDefault(t => t.Name == tuple.Definition.Name);
+
+            if (tableDefinition == null)
+            {
+                return false;
+            }
+
+            var table = output.EnsureTable(tableDefinition);
+            var row = table.CreateRow(tuple.SourceLineNumbers);
+            for (var i = 0; i < tuple.Fields.Length; ++i)
+            {
+                if (i < tableDefinition.Columns.Count)
+                {
+                    var column = tableDefinition.Columns[i];
+
+                    switch (column.Type)
+                    {
+                        case ColumnType.Number:
+                            row[i] = tuple.AsNumber(i);
+                            break;
+
+                        default:
+                            row[i] = tuple.AsString(i);
+                            break;
+                    }
+                }
+            }
+
+            return true;
+        }
+    }
+}