1 files changed, 59 insertions, 0 deletions

diff --git a/src/WixToolset.Data.WindowsInstaller/WindowsInstallerStandardInternal.cs b/src/WixToolset.Data.WindowsInstaller/WindowsInstallerStandardInternal.cs
new file mode 100644
index 00000000..cc6754c3
--- /dev/null
+++ b/src/WixToolset.Data.WindowsInstaller/WindowsInstallerStandardInternal.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.Data
+{
+    using System.Reflection;
+    using System.Xml;
+    using WixToolset.Data.Rows;
+
+    /// <summary>
+    /// Represents the Windows Installer standard objects.
+    /// </summary>
+    public static class WindowsInstallerStandardInternal
+    {
+        private static readonly object lockObject = new object();
+
+        private static TableDefinitionCollection tableDefinitions;
+        private static WixActionRowCollection standardActions;
+
+        /// <summary>
+        /// Gets the table definitions stored in this assembly.
+        /// </summary>
+        /// <returns>Table definition collection for tables stored in this assembly.</returns>
+        public static TableDefinitionCollection GetTableDefinitions()
+        {
+            lock (lockObject)
+            {
+                if (null == WindowsInstallerStandardInternal.tableDefinitions)
+                {
+                    using (XmlReader reader = XmlReader.Create(Assembly.GetExecutingAssembly().GetManifestResourceStream("WixToolset.Data.WindowsInstaller.Data.tables.xml")))
+                    {
+                        WindowsInstallerStandardInternal.tableDefinitions = TableDefinitionCollection.Load(reader);
+                    }
+                }
+            }
+
+            return WindowsInstallerStandardInternal.tableDefinitions;
+        }
+
+        /// <summary>
+        /// Gets the standard actions stored in this assembly.
+        /// </summary>
+        /// <returns>Collection of standard actions in this assembly.</returns>
+        public static WixActionRowCollection GetStandardActionRows()
+        {
+            lock (lockObject)
+            {
+                if (null == WindowsInstallerStandardInternal.standardActions)
+                {
+                    using (XmlReader reader = XmlReader.Create(Assembly.GetExecutingAssembly().GetManifestResourceStream("WixToolset.Data.WindowsInstaller.Data.actions.xml")))
+                    {
+                        WindowsInstallerStandardInternal.standardActions = WixActionRowCollection.Load(reader);
+                    }
+                }
+            }
+
+            return WindowsInstallerStandardInternal.standardActions;
+        }
+    }
+}