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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.Link
{
using System;
using WixToolset.Data.Symbols;
internal static class WixComplexReferenceSymbolExtensions
{
/// <summary>
/// Creates a shallow copy of the ComplexReference.
/// </summary>
/// <returns>A shallow copy of the ComplexReference.</returns>
public static WixComplexReferenceSymbol Clone(this WixComplexReferenceSymbol source)
{
var clone = new WixComplexReferenceSymbol(source.SourceLineNumbers, source.Id);
clone.ParentType = source.ParentType;
clone.Parent = source.Parent;
clone.ParentLanguage = source.ParentLanguage;
clone.ChildType = source.ChildType;
clone.Child = source.Child;
clone.IsPrimary = source.IsPrimary;
return clone;
}
/// <summary>
/// Compares two complex references without considering the primary bit.
/// </summary>
/// <param name="obj">Complex reference to compare to.</param>
/// <returns>Zero if the objects are equivalent, negative number if the provided object is less, positive if greater.</returns>
public static int CompareToWithoutConsideringPrimary(this WixComplexReferenceSymbol symbol, WixComplexReferenceSymbol other)
{
var comparison = symbol.ChildType - other.ChildType;
if (0 == comparison)
{
comparison = String.Compare(symbol.Child, other.Child, StringComparison.Ordinal);
if (0 == comparison)
{
comparison = symbol.ParentType - other.ParentType;
if (0 == comparison)
{
string thisParentLanguage = null == symbol.ParentLanguage ? String.Empty : symbol.ParentLanguage;
string otherParentLanguage = null == other.ParentLanguage ? String.Empty : other.ParentLanguage;
comparison = String.Compare(thisParentLanguage, otherParentLanguage, StringComparison.Ordinal);
if (0 == comparison)
{
comparison = String.Compare(symbol.Parent, other.Parent, StringComparison.Ordinal);
}
}
}
}
return comparison;
}
/// <summary>
/// Changes all of the parent references to point to the passed in parent reference.
/// </summary>
/// <param name="parent">New parent complex reference.</param>
public static void Reparent(this WixComplexReferenceSymbol symbol, WixComplexReferenceSymbol parent)
{
symbol.Parent = parent.Parent;
symbol.ParentLanguage = parent.ParentLanguage;
symbol.ParentType = parent.ParentType;
if (!symbol.IsPrimary)
{
symbol.IsPrimary = parent.IsPrimary;
}
}
}
}
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