Introduce WixToolsetServiceProvider

Using a service provider allows all of WixToolset.Core's internal
functionality to be abstracted behind interfaces in WixToolset.Extensibility.
The service provide can also control what interfaces are singletons.

8 files changed, 19 insertions, 0 deletions

diff --git a/src/WixToolset.Core.WindowsInstaller/Bind/BindDatabaseCommand.cs b/src/WixToolset.Core.WindowsInstaller/Bind/BindDatabaseCommand.cs
index 2e2c5417..21fbb022 100644
--- a/src/WixToolset.Core.WindowsInstaller/Bind/BindDatabaseCommand.cs
+++ b/src/WixToolset.Core.WindowsInstaller/Bind/BindDatabaseCommand.cs
@@ -16,6 +16,7 @@ namespace WixToolset.Core.WindowsInstaller.Bind
     using WixToolset.Data.Bind;
     using WixToolset.Data.Rows;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
     using WixToolset.Msi;
 
     /// <summary>
diff --git a/src/WixToolset.Core.WindowsInstaller/MsiBackend.cs b/src/WixToolset.Core.WindowsInstaller/MsiBackend.cs
index 716ea000..bf7b4579 100644
--- a/src/WixToolset.Core.WindowsInstaller/MsiBackend.cs
+++ b/src/WixToolset.Core.WindowsInstaller/MsiBackend.cs
@@ -8,6 +8,7 @@ namespace WixToolset.Core.WindowsInstaller
     using WixToolset.Data;
     using WixToolset.Data.Bind;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
 
     internal class MsiBackend : IBackend
     {
diff --git a/src/WixToolset.Core.WindowsInstaller/MsmBackend.cs b/src/WixToolset.Core.WindowsInstaller/MsmBackend.cs
index 268213d7..69d7ada0 100644
--- a/src/WixToolset.Core.WindowsInstaller/MsmBackend.cs
+++ b/src/WixToolset.Core.WindowsInstaller/MsmBackend.cs
@@ -7,6 +7,7 @@ namespace WixToolset.Core.WindowsInstaller
     using WixToolset.Data;
     using WixToolset.Data.Bind;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
 
     internal class MsmBackend : IBackend
     {
diff --git a/src/WixToolset.Core.WindowsInstaller/MspBackend.cs b/src/WixToolset.Core.WindowsInstaller/MspBackend.cs
index 4b13258b..ea16a570 100644
--- a/src/WixToolset.Core.WindowsInstaller/MspBackend.cs
+++ b/src/WixToolset.Core.WindowsInstaller/MspBackend.cs
@@ -10,6 +10,7 @@ namespace WixToolset.Core.WindowsInstaller
     using WixToolset.Data;
     using WixToolset.Data.Bind;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
     using WixToolset.Msi;
     using WixToolset.Ole32;
 
diff --git a/src/WixToolset.Core.WindowsInstaller/MstBackend.cs b/src/WixToolset.Core.WindowsInstaller/MstBackend.cs
index 2cb7da89..66bc57ae 100644
--- a/src/WixToolset.Core.WindowsInstaller/MstBackend.cs
+++ b/src/WixToolset.Core.WindowsInstaller/MstBackend.cs
@@ -8,6 +8,7 @@ namespace WixToolset.Core.WindowsInstaller
     using WixToolset.Data;
     using WixToolset.Data.Bind;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
 
     internal class MstBackend : IBackend
     {
diff --git a/src/WixToolset.Core.WindowsInstaller/StandardBackend.cs b/src/WixToolset.Core.WindowsInstaller/StandardBackend.cs
new file mode 100644
index 00000000..f1ae2017
--- /dev/null
+++ b/src/WixToolset.Core.WindowsInstaller/StandardBackend.cs
@@ -0,0 +1,12 @@
+// 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.WindowsInstaller
+{
+    /// <summary>
+    /// Denotes this assembly contains a backend that is considered
+    /// a standard part of the WiX Toolset.
+    /// </summary>
+    public static class StandardBackend
+    {
+    }
+}
diff --git a/src/WixToolset.Core.WindowsInstaller/Validator.cs b/src/WixToolset.Core.WindowsInstaller/Validator.cs
index db66f600..652a8a07 100644
--- a/src/WixToolset.Core.WindowsInstaller/Validator.cs
+++ b/src/WixToolset.Core.WindowsInstaller/Validator.cs
@@ -16,6 +16,7 @@ namespace WixToolset.Core.WindowsInstaller
     using WixToolset.Msi;
     using System.Linq;
     using System.Reflection;
+    using WixToolset.Extensibility.Services;
 
     /// <summary>
     /// Runs internal consistency evaluators (ICEs) from cub files against a database.
diff --git a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs
index b66a4617..a7f58ed4 100644
--- a/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs
+++ b/src/WixToolset.Core.WindowsInstaller/WindowsInstallerBackendFactory.cs
@@ -5,6 +5,7 @@ namespace WixToolset.Core.WindowsInstaller
     using System;
     using System.IO;
     using WixToolset.Extensibility;
+    using WixToolset.Extensibility.Services;
 
     internal class WindowsInstallerBackendFactory : IBackendFactory
     {