TryGetUnicodeEquivalent()

static bool System.DomainNameHelper.TryGetUnicodeEquivalent ( string hostname, ref System::Text::ValueStringBuilder dest )

inlinestaticpackage

Definition at line 174 of file DomainNameHelper.cs.

    {
        int num = 0;
        do
        {
            if (num != 0)
            {
                dest.Append('.');
            }
            bool flag = true;
            int i;
            for (i = num; (uint)i < (uint)hostname.Length; i++)
            {
                char c = hostname[i];
                if (c == '.')
                {
                    break;
                }
                if (c > '\u007f')
                {
                    flag = false;
                    if (c == '。' || c == '．' || c == '｡')
                    {
                        break;
                    }
                }
            }
            if (!flag)
            {
                try
                {
                    string ascii = s_idnMapping.GetAscii(hostname, num, i - num);
                    dest.Append(s_idnMapping.GetUnicode(ascii));
                }
                catch (ArgumentException)
                {
                    return false;
                }
            }
            else
            {
                bool flag2 = false;
                if ((uint)(num + 3) < (uint)hostname.Length && hostname[num] == 'x' && hostname[num + 1] == 'n' && hostname[num + 2] == '-' && hostname[num + 3] == '-')
                {
                    try
                    {
                        dest.Append(s_idnMapping.GetUnicode(hostname, num, i - num));
                        flag2 = true;
                    }
                    catch (ArgumentException)
                    {
                    }
                }
                if (!flag2)
                {
                    ReadOnlySpan<char> source = hostname.AsSpan(num, i - num);
                    int num2 = source.ToLowerInvariant(dest.AppendSpan(source.Length));
                }
            }
            num = i + 1;
        }
        while (num < hostname.Length);
        return true;
    }

References System.DomainNameHelper.s_idnMapping, and System.source.

Referenced by System.Uri.ReCreateParts().