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wixext/BalExtension.cs

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+//-------------------------------------------------------------------------------------------------
+// <copyright file="BalExtension.cs" company="Outercurve Foundation">
+//   Copyright (c) 2004, Outercurve Foundation.
+//   This software is released under Microsoft Reciprocal License (MS-RL).
+//   The license and further copyright text can be found in the file
+//   LICENSE.TXT at the root directory of the distribution.
+// </copyright>
+//
+// <summary>
+// The Windows Installer XML Toolset Bal extension.
+// </summary>
+//-------------------------------------------------------------------------------------------------
+
+namespace Microsoft.Tools.WindowsInstallerXml.Extensions
+{
+    using System;
+    using System.Reflection;
+
+    /// <summary>
+    /// The Windows Installer XML Toolset Bal Extension.
+    /// </summary>
+    public sealed class BalExtension : WixExtension
+    {
+        private BalCompiler compilerExtension;
+        private Library library;
+        private TableDefinitionCollection tableDefinitions;
+
+        private BalPreprocessorExtension preprocessorExtension;
+
+        /// <summary>
+        /// Gets the optional compiler extension.
+        /// </summary>
+        /// <value>The optional compiler extension.</value>
+        public override CompilerExtension CompilerExtension
+        {
+            get
+            {
+                if (null == this.compilerExtension)
+                {
+                    this.compilerExtension = new BalCompiler();
+                }
+
+                return this.compilerExtension;
+            }
+        }
+
+        /// <summary>
+        /// Gets the optional table definitions for this extension.
+        /// </summary>
+        /// <value>The optional table definitions for this extension.</value>
+        public override TableDefinitionCollection TableDefinitions
+        {
+            get
+            {
+                if (null == this.tableDefinitions)
+                {
+                    this.tableDefinitions = LoadTableDefinitionHelper(Assembly.GetExecutingAssembly(), "Microsoft.Tools.WindowsInstallerXml.Extensions.Data.tables.xml");
+                }
+
+                return this.tableDefinitions;
+            }
+        }
+
+        /// <summary>
+        /// Gets the library associated with this extension.
+        /// </summary>
+        /// <param name="tableDefinitions">The table definitions to use while loading the library.</param>
+        /// <returns>The loaded library.</returns>
+        public override Library GetLibrary(TableDefinitionCollection tableDefinitions)
+        {
+            if (null == this.library)
+            {
+                this.library = LoadLibraryHelper(Assembly.GetExecutingAssembly(), "Microsoft.Tools.WindowsInstallerXml.Extensions.Data.balExt.wixlib", tableDefinitions);
+            }
+
+            return this.library;
+        }
+
+        /// <summary>
+        /// Gets the optional preprocessor extension.
+        /// </summary>
+        /// <value>The optional preprocessor extension.</value>
+        public override PreprocessorExtension PreprocessorExtension
+        {
+            get
+            {
+                if (null == this.preprocessorExtension)
+                {
+                    this.preprocessorExtension = new BalPreprocessorExtension();
+                }
+
+                return this.preprocessorExtension;
+            }
+        }
+    }
+}