ParseCanonicalName()

static string System.IPv6AddressHelper.ParseCanonicalName ( string str, int start, ref bool isLoopback, ref string scopeId )

inlinestaticpackage

Definition at line 5 of file IPv6AddressHelper.cs.

    {
        Span<ushort> span = stackalloc ushort[8];
        span.Clear();
        Parse(str, span, start, ref scopeId);
        isLoopback = IsLoopback(span);
        (int longestSequenceStart, int longestSequenceLength) tuple = FindCompressionRange(span);
        int item = tuple.longestSequenceStart;
        int item2 = tuple.longestSequenceLength;
        bool flag = ShouldHaveIpv4Embedded(span);
        Span<char> span2 = stackalloc char[48];
        span2[0] = '[';
        int num = 1;
        for (int i = 0; i < 8; i++)
        {
            int charsWritten;
            if (flag && i == 6)
            {
                span2[num++] = ':';
                bool flag2 = (span[i] >> 8).TryFormat(span2.Slice(num), out charsWritten);
                num += charsWritten;
                span2[num++] = '.';
                flag2 = (span[i] & 0xFF).TryFormat(span2.Slice(num), out charsWritten);
                num += charsWritten;
                span2[num++] = '.';
                flag2 = (span[i + 1] >> 8).TryFormat(span2.Slice(num), out charsWritten);
                num += charsWritten;
                span2[num++] = '.';
                flag2 = (span[i + 1] & 0xFF).TryFormat(span2.Slice(num), out charsWritten);
                num += charsWritten;
                break;
            }
            if (item == i)
            {
                span2[num++] = ':';
            }
            if (item <= i && item2 == 8)
            {
                span2[num++] = ':';
                break;
            }
            if (item > i || i >= item2)
            {
                if (i != 0)
                {
                    span2[num++] = ':';
                }
                bool flag2 = span[i].TryFormat(span2.Slice(num), out charsWritten, "x");
                num += charsWritten;
            }
        }
        span2[num++] = ']';
        return new string(span2.Slice(0, num));
    }

References System.Span< T >.Clear(), System.IPv6AddressHelper.FindCompressionRange(), System.IPv6AddressHelper.IsLoopback(), System.item, System.IPv6AddressHelper.longestSequenceStart, System.IPv6AddressHelper.Parse(), System.IPv6AddressHelper.ShouldHaveIpv4Embedded(), System.Span< T >.Slice(), System.start, and System.str.

Referenced by System.Uri.CreateHostStringHelper().