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// 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
{
using System;
using System.Collections.Generic;
using System.IO;
using WixToolset.Data;
using WixToolset.Extensibility;
using WixToolset.Extensibility.Services;
/// <summary>
/// Unbinder core of the WiX toolset.
/// </summary>
internal sealed class Unbinder : IUnbinder
{
public Unbinder(IServiceProvider serviceProvider)
{
this.ServiceProvider = serviceProvider;
var extensionManager = this.ServiceProvider.GetService<IExtensionManager>();
this.BackendFactories = extensionManager.GetServices<IBackendFactory>();
}
public IServiceProvider ServiceProvider { get; }
public IEnumerable<IBackendFactory> BackendFactories { get; }
/// <summary>
/// Gets or sets whether the input msi is an admin image.
/// </summary>
/// <value>Set to true if the input msi is part of an admin image.</value>
public bool IsAdminImage { get; set; }
/// <summary>
/// Gets or sets the option to suppress demodularizing values.
/// </summary>
/// <value>The option to suppress demodularizing values.</value>
public bool SuppressDemodularization { get; set; }
/// <summary>
/// Gets or sets the option to suppress extracting cabinets.
/// </summary>
/// <value>The option to suppress extracting cabinets.</value>
public bool SuppressExtractCabinets { get; set; }
/// <summary>
/// Gets or sets the temporary path for the Binder. If left null, the binder
/// will use %TEMP% environment variable.
/// </summary>
/// <value>Path to temp files.</value>
public string TempFilesLocation => Path.GetTempPath();
/// <summary>
/// Unbind a Windows Installer file.
/// </summary>
/// <param name="file">The Windows Installer file.</param>
/// <param name="outputType">The type of output to create.</param>
/// <param name="exportBasePath">The path where files should be exported.</param>
/// <returns>The output representing the database.</returns>
public Intermediate Unbind(string file, OutputType outputType, string exportBasePath)
{
if (!File.Exists(file))
{
if (OutputType.Transform == outputType)
{
throw new WixException(ErrorMessages.FileNotFound(null, file, "Transform"));
}
else
{
throw new WixException(ErrorMessages.FileNotFound(null, file, "Database"));
}
}
// if we don't have the temporary files object yet, get one
Directory.CreateDirectory(this.TempFilesLocation); // ensure the base path is there
var context = new UnbindContext(this.ServiceProvider);
context.InputFilePath = file;
context.ExportBasePath = exportBasePath;
context.IntermediateFolder = this.TempFilesLocation;
context.IsAdminImage = this.IsAdminImage;
context.SuppressDemodularization = this.SuppressDemodularization;
context.SuppressExtractCabinets = this.SuppressExtractCabinets;
foreach (var factory in this.BackendFactories)
{
if (factory.TryCreateBackend(outputType.ToString(), file, out var backend))
{
return backend.Unbind(context);
}
}
// TODO: Display message that could not find a unbinder for output type?
return null;
}
}
}
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