LastIndexOf() [2/3]

static int System.SpanHelpers.LastIndexOf ( ref byte searchSpace, int searchSpaceLength, ref byte value, int valueLength )

inlinestatic

Definition at line 363 of file SpanHelpers.cs.

    {
        if (valueLength == 0)
        {
            return searchSpaceLength;
        }
        byte value2 = value;
        ref byte second = ref Unsafe.Add(ref value, 1);
        int num = valueLength - 1;
        int num2 = 0;
        while (true)
        {
            int num3 = searchSpaceLength - num2 - num;
            if (num3 <= 0)
            {
                break;
            }
            int num4 = LastIndexOf(ref searchSpace, value2, num3);
            if (num4 == -1)
            {
                break;
            }
            if (SequenceEqual(ref Unsafe.Add(ref searchSpace, num4 + 1), ref second, (uint)num))
            {
                return num4;
            }
            num2 += num3 - num4;
        }
        return -1;
    }

References System.SpanHelpers.LastIndexOf(), System.SpanHelpers.SequenceEqual(), and System.value.

Referenced by System.String.LastIndexOf(), System.String.LastIndexOf(), System.SpanHelpers.LastIndexOf(), System.MemoryExtensions.LastIndexOf(), System.SpanHelpers.LastIndexOf< T >(), System.Array.LastIndexOf< T >(), System.MemoryExtensions.LastIndexOf< T >(), System.MemoryExtensions.LastIndexOf< T >(), System.MemoryExtensions.LastIndexOf< T >(), and System.MemoryExtensions.LastIndexOf< T >().