FindSection()

static unsafe int System.Number.FindSection ( ReadOnlySpan< char > format, int section )

inlinestaticprivate

Definition at line 3432 of file Number.cs.

    {
        if (section == 0)
        {
            return 0;
        }
        fixed (char* ptr = &MemoryMarshal.GetReference(format))
        {
            int num = 0;
            while (true)
            {
                if (num >= format.Length)
                {
                    return 0;
                }
                char c;
                char c2 = (c = ptr[num++]);
                if ((uint)c2 <= 34u)
                {
                    if (c2 == '\0')
                    {
                        break;
                    }
                    if (c2 != '"')
                    {
                        continue;
                    }
                }
                else if (c2 != '\'')
                {
                    switch (c2)
                    {
                    default:
                        continue;
                    case '\\':
                        if (num < format.Length && ptr[num] != 0)
                        {
                            num++;
                        }
                        continue;
                    case ';':
                        break;
                    }
                    if (--section == 0)
                    {
                        if (num >= format.Length || ptr[num] == '\0' || ptr[num] == ';')
                        {
                            break;
                        }
                        return num;
                    }
                    continue;
                }
                while (num < format.Length && ptr[num] != 0 && ptr[num++] != c)
                {
                }
            }
            return 0;
        }
    }

References System.format.

Referenced by System.Number.NumberToStringFormat().