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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
namespace System.Windows
{
// An item in the source context
internal struct SourceItem
{
#region Construction
// Constructor for SourceItem
internal SourceItem(int startIndex, object source)
{
_startIndex = startIndex;
_source = source;
}
#endregion Construction
#region Operations
// Gettor for StartIndex
internal int StartIndex
{
get { return _startIndex; }
}
// Gettor for Source
internal object Source
{
get { return _source; }
}
/*
Commented out to avoid "uncalled private code" fxcop violation
/// <summary>
/// Cleanup all the references within the data
/// </summary>
internal void Clear()
{
_startIndex = -1;
_source = null;
}
*/
/// <summary>
/// Is the given object equals the current
/// </summary>
public override bool Equals(object o)
{
return Equals((SourceItem)o);
}
/// <summary>
/// Is the given SourceItem equals the current
/// </summary>
public bool Equals(SourceItem sourceItem)
{
return (
sourceItem._startIndex == this._startIndex &&
sourceItem._source == this._source);
}
/// <summary>
/// Serves as a hash function for a particular type, suitable for use in
/// hashing algorithms and data structures like a hash table
/// </summary>
public override int GetHashCode()
{
return base.GetHashCode();
}
/// <summary>
/// Equals operator overload
/// </summary>
public static bool operator== (SourceItem sourceItem1, SourceItem sourceItem2)
{
return sourceItem1.Equals(sourceItem2);
}
/// <summary>
/// NotEquals operator overload
/// </summary>
public static bool operator!= (SourceItem sourceItem1, SourceItem sourceItem2)
{
return !sourceItem1.Equals(sourceItem2);
}
#endregion Operations
#region Data
private int _startIndex;
private object _source;
#endregion Data
}
}
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