2cc7b27b0c
git-svn-id: file:///srv/devel/repo-conversion/nusu@80 d2e56fa2-650e-0410-a79f-9358c0239efd
37 lines
1.4 KiB
C#
37 lines
1.4 KiB
C#
using System;
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using System.Collections.Generic;
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namespace Nuclex.Support.Collections {
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/// <summary>
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/// Compares two values in reverse or reverses the output of another comparer
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/// </summary>
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/// <typeparam name="ComparedType">Type of values to be compared</typeparam>
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public class ReverseComparer<ComparedType> : IComparer<ComparedType> {
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/// <summary>Initializes a new reverse comparer</summary>
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public ReverseComparer() : this(Comparer<ComparedType>.Default) { }
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/// <summary>
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/// Initializes the comparer to provide the inverse results of another comparer
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/// </summary>
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/// <param name="comparerToReverse">Comparer whose results will be inversed</param>
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public ReverseComparer(IComparer<ComparedType> comparerToReverse) {
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this.comparer = comparerToReverse;
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}
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/// <summary>Compares the left value to the right value</summary>
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/// <param name="left">Value on the left side</param>
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/// <param name="right">Value on the right side</param>
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/// <returns>The relationship of the two values</returns>
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public int Compare(ComparedType left, ComparedType right) {
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return this.comparer.Compare(right, left); // intentionally reversed
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}
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/// <summary>The default comparer from the .NET framework</summary>
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private IComparer<ComparedType> comparer;
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}
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} // namespace Nuclex.Support.Collections
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