src/Http/Routing/perf/Microbenchmarks/Matching/FastPathTokenizerBenchmarkBase.cs


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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.

namespace Microsoft.AspNetCore.Routing.Matching;

public abstract class FastPathTokenizerBenchmarkBase
{
    internal unsafe void NaiveBaseline(string path, PathSegment* segments, int maxCount)
    {
        int count = 0;
        int start = 1; // Paths always start with a leading /
        int end;
        while ((end = path.IndexOf('/', start)) >= 0 && count < maxCount)
        {
            segments[count++] = new PathSegment(start, end - start);
            start = end + 1; // resume search after the current character
        }

        // Residue
        var length = path.Length - start;
        if (length > 0 && count < maxCount)
        {
            segments[count++] = new PathSegment(start, length);
        }
    }

    internal unsafe void MinimalBaseline(string path, PathSegment* segments, int maxCount)
    {
        var start = 1;
        var length = path.Length - start;
        segments[0] = new PathSegment(start, length);
    }
}