// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Diagnostics;
 
namespace Microsoft.AspNetCore.Rewrite.PatternSegments;
 
internal sealed class RuleMatchSegment : PatternSegment
{
    private readonly int _index;
 
    public RuleMatchSegment(int index)
    {
        _index = index;
    }
 
    public override string? Evaluate(RewriteContext context, BackReferenceCollection? ruleBackReferences, BackReferenceCollection? conditionBackReferences)
    {
        Debug.Assert(ruleBackReferences != null);
        return ruleBackReferences[_index];
    }
}