src/WixToolset.Core.WindowsInstaller/MsiBackend.cs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85

// 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
{
    using WixToolset.Core.WindowsInstaller.Bind;
    using WixToolset.Core.WindowsInstaller.Decompile;
    using WixToolset.Core.WindowsInstaller.Inscribe;
    using WixToolset.Core.WindowsInstaller.Unbind;
    using WixToolset.Data;
    using WixToolset.Extensibility;
    using WixToolset.Extensibility.Data;
    using WixToolset.Extensibility.Services;

    internal class MsiBackend : IBackend
    {
        public IBindResult Bind(IBindContext context)
        {
            var extensionManager = context.ServiceProvider.GetService<IExtensionManager>();

            var backendExtensions = extensionManager.GetServices<IWindowsInstallerBackendBinderExtension>();

            foreach (var extension in backendExtensions)
            {
                extension.PreBackendBind(context);
            }

            IBindResult result = null;
            var dispose = true;
            try
            {
                var command = new BindDatabaseCommand(context, backendExtensions, "darice.cub");
                result = command.Execute();

                foreach (var extension in backendExtensions)
                {
                    extension.PostBackendBind(result);
                }

                dispose = false;
                return result;
            }
            finally
            {
                if (dispose)
                {
                    result?.Dispose();
                }
            }
        }

        public IDecompileResult Decompile(IDecompileContext context)
        {
            var extensionManager = context.ServiceProvider.GetService<IExtensionManager>();

            var backendExtensions = extensionManager.GetServices<IWindowsInstallerBackendDecompilerExtension>();

            foreach (var extension in backendExtensions)
            {
                extension.PreBackendDecompile(context);
            }

            var command = new DecompileMsiOrMsmCommand(context, backendExtensions);
            var result = command.Execute();

            foreach (var extension in backendExtensions)
            {
                extension.PostBackendDecompile(result);
            }

            return result;
        }

        public bool Inscribe(IInscribeContext context)
        {
            var command = new InscribeMsiPackageCommand(context);
            return command.Execute();
        }

        public Intermediate Unbind(IUnbindContext context)
        {
            var command = new UnbindMsiOrMsmCommand(context);
            return command.Execute();
        }
    }
}