MakeSeparatorList() [1/3]

unsafe void System.String.MakeSeparatorList ( ReadOnlySpan< char > separators, ref ValueListBuilder< int > sepListBuilder )

inlineprivate

Definition at line 2841 of file String.cs.

    {
        if (separators.Length == 0)
        {
            for (int i = 0; i < Length; i++)
            {
                if (char.IsWhiteSpace(this[i]))
                {
                    sepListBuilder.Append(i);
                }
            }
            return;
        }
        if (separators.Length <= 3)
        {
            char c = separators[0];
            char c2 = ((separators.Length > 1) ? separators[1] : c);
            char c3 = ((separators.Length > 2) ? separators[2] : c2);
            if (Length >= 16 && Sse41.IsSupported)
            {
                MakeSeparatorListVectorized(ref sepListBuilder, c, c2, c3);
                return;
            }
            for (int j = 0; j < Length; j++)
            {
                char c4 = this[j];
                if (c4 == c || c4 == c2 || c4 == c3)
                {
                    sepListBuilder.Append(j);
                }
            }
            return;
        }
        ProbabilisticMap probabilisticMap = default(ProbabilisticMap);
        uint* charMap = (uint*)(&probabilisticMap);
        InitializeProbabilisticMap(charMap, separators);
        for (int k = 0; k < Length; k++)
        {
            char c5 = this[k];
            if (IsCharBitSet(charMap, (byte)c5) && IsCharBitSet(charMap, (byte)((int)c5 >> 8)) && separators.Contains(c5))
            {
                sepListBuilder.Append(k);
            }
        }
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.Contains(), System.String.InitializeProbabilisticMap(), System.String.IsCharBitSet(), System.Runtime.Intrinsics.X86.Sse41.IsSupported, System.String.Length, and System.String.MakeSeparatorListVectorized().

Referenced by System.String.SplitInternal(), System.String.SplitInternal(), and System.String.SplitInternal().