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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.WindowsInstaller.Bind
{
using System;
using System.Collections.Generic;
using System.Linq;
using WixToolset.Data;
using WixToolset.Data.Symbols;
using WixToolset.Extensibility.Services;
internal class ProcessDependencyReferencesCommand
{
// The root registry key for the dependency extension. We write to Software\Classes explicitly
// based on the current security context instead of HKCR. See
// http://msdn.microsoft.com/en-us/library/ms724475(VS.85).aspx for more information.
private const string DependencyRegistryRoot = @"Software\Classes\Installer\Dependencies\";
private const string RegistryDependents = "Dependents";
public ProcessDependencyReferencesCommand(IBackendHelper backendHelper, IntermediateSection section, IEnumerable<WixDependencyRefSymbol> dependencyRefSymbols)
{
this.BackendHelper = backendHelper;
this.Section = section;
this.DependencyRefSymbols = dependencyRefSymbols;
}
private IBackendHelper BackendHelper { get; }
private IntermediateSection Section { get; }
private IEnumerable<WixDependencyRefSymbol> DependencyRefSymbols { get; }
public void Execute()
{
var wixDependencyRows = this.Section.Symbols.OfType<WixDependencySymbol>().ToDictionary(d => d.Id.Id);
var wixDependencyProviderRows = this.Section.Symbols.OfType<WixDependencyProviderSymbol>().ToDictionary(d => d.Id.Id);
// For each relationship, get the provides and requires rows to generate registry values.
foreach (var wixDependencyRefRow in this.DependencyRefSymbols)
{
var providesId = wixDependencyRefRow.WixDependencyProviderRef;
var requiresId = wixDependencyRefRow.WixDependencyRef;
// If we do not find both symbols, skip the registry key generation.
if (!wixDependencyRows.TryGetValue(requiresId, out var wixDependencyRow))
{
continue;
}
if (!wixDependencyProviderRows.TryGetValue(providesId, out var wixDependencyProviderRow))
{
continue;
}
// Format the root registry key using the required provider key and the current provider key.
var requiresKey = wixDependencyRow.Id.Id;
var providesKey = wixDependencyRow.ProviderKey;
var keyRequires = String.Format(@"{0}{1}\{2}\{3}", DependencyRegistryRoot, requiresKey, RegistryDependents, providesKey);
// Get the component ID from the provider.
var componentId = wixDependencyProviderRow.ParentRef;
var id = this.BackendHelper.GenerateIdentifier("reg", providesId, requiresId, "(Default)");
this.Section.AddSymbol(new RegistrySymbol(wixDependencyRefRow.SourceLineNumbers, new Identifier(AccessModifier.Section, id))
{
ComponentRef = componentId,
Root = RegistryRootType.MachineUser,
Key = keyRequires,
Name = "*",
});
if (!String.IsNullOrEmpty(wixDependencyRow.MinVersion))
{
id = this.BackendHelper.GenerateIdentifier("reg", providesId, requiresId, "MinVersion");
this.Section.AddSymbol(new RegistrySymbol(wixDependencyRefRow.SourceLineNumbers, new Identifier(AccessModifier.Section, id))
{
ComponentRef = componentId,
Root = RegistryRootType.MachineUser,
Key = keyRequires,
Name = "MinVersion",
Value = wixDependencyRow.MinVersion
});
}
var maxVersion = (string)wixDependencyRow[3];
if (!String.IsNullOrEmpty(wixDependencyRow.MaxVersion))
{
id = this.BackendHelper.GenerateIdentifier("reg", providesId, requiresId, "MaxVersion");
this.Section.AddSymbol(new RegistrySymbol(wixDependencyRefRow.SourceLineNumbers, new Identifier(AccessModifier.Section, id))
{
ComponentRef = componentId,
Root = RegistryRootType.MachineUser,
Key = keyRequires,
Name = "MaxVersion",
Value = wixDependencyRow.MaxVersion
});
}
if (wixDependencyRow.Attributes != WixDependencySymbolAttributes.None)
{
id = this.BackendHelper.GenerateIdentifier("reg", providesId, requiresId, "Attributes");
this.Section.AddSymbol(new RegistrySymbol(wixDependencyRefRow.SourceLineNumbers, new Identifier(AccessModifier.Section, id))
{
ComponentRef = componentId,
Root = RegistryRootType.MachineUser,
Key = keyRequires,
Name = "Attributes",
Value = String.Concat("#", (int)wixDependencyRow.Attributes)
});
}
}
}
}
}
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