ConvertOldStringsToClass()

static string System.Text.RegularExpressions.RegexCharClass.ConvertOldStringsToClass ( string set, string category )

inlinestatic

Definition at line 572 of file RegexCharClass.cs.

    {
        bool flag = set.Length >= 2 && set[0] == '\0' && set[1] == '\0';
        int num = 3 + set.Length + category.Length;
        if (flag)
        {
            num -= 2;
        }
        return string.Create(num, (set, category, flag), delegate(Span<char> span, (string set, string category, bool startsWithNulls) state)
        {
            int start;
            if (state.startsWithNulls)
            {
                span[0] = '\u0001';
                span[1] = (char)(state.set.Length - 2);
                span[2] = (char)state.category.Length;
                state.set.AsSpan(2).CopyTo(span.Slice(3));
                start = 3 + state.set.Length - 2;
            }
            else
            {
                span[0] = '\0';
                span[1] = (char)state.set.Length;
                span[2] = (char)state.category.Length;
                state.set.CopyTo(span.Slice(3));
                start = 3 + state.set.Length;
            }
            state.category.CopyTo(span.Slice(start));
        });
    }

References System.Collections.Generic.Dictionary< TKey, TValue >.CopyTo(), System.start, and System.state.

Referenced by System.Text.RegularExpressions.RegexRunner.CharInSet().