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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.Collections;
using System.IO;
using WixToolset.Data;
using WixToolset.Extensibility;
using System.Collections.Generic;
/// <summary>
/// Unbinder core of the WiX toolset.
/// </summary>
public sealed class Unbinder
{
private TableDefinitionCollection tableDefinitions;
private ArrayList unbinderExtensions;
// private TempFileCollection tempFiles;
/// <summary>
/// Creates a new unbinder object with a default set of table definitions.
/// </summary>
public Unbinder()
{
this.tableDefinitions = new TableDefinitionCollection(WindowsInstallerStandard.GetTableDefinitions());
this.unbinderExtensions = new ArrayList();
}
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>
/// Adds extension data.
/// </summary>
/// <param name="data">The extension data to add.</param>
public void AddExtensionData(IExtensionData data)
{
if (null != data.TableDefinitions)
{
foreach (TableDefinition tableDefinition in data.TableDefinitions)
{
if (!this.tableDefinitions.Contains(tableDefinition.Name))
{
this.tableDefinitions.Add(tableDefinition);
}
else
{
Messaging.Instance.OnMessage(WixErrors.DuplicateExtensionTable(data.GetType().ToString(), tableDefinition.Name));
}
}
}
}
/// <summary>
/// Adds an extension.
/// </summary>
/// <param name="extension">The extension to add.</param>
public void AddExtension(IUnbinderExtension extension)
{
this.unbinderExtensions.Add(extension);
}
/// <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 Output Unbind(string file, OutputType outputType, string exportBasePath)
{
if (!File.Exists(file))
{
if (OutputType.Transform == outputType)
{
throw new WixException(WixErrors.FileNotFound(null, file, "Transform"));
}
else
{
throw new WixException(WixErrors.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();
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, null, 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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