ReadObjectIdentifier() [1/2]

static string System.Formats.Asn1.AsnDecoder.ReadObjectIdentifier ( ReadOnlySpan< byte > source, AsnEncodingRules ruleSet, Asn1Tag? expectedTag, out int totalBytesRead )

inlinestaticprivate

Definition at line 1485 of file AsnDecoder.cs.

    {
        int bytesConsumed;
        ReadOnlySpan<byte> source2 = GetPrimitiveContentSpan(source, ruleSet, expectedTag ?? Asn1Tag.ObjectIdentifier, UniversalTagNumber.ObjectIdentifier, out bytesConsumed);
        if (source2.Length < 1)
        {
            throw new AsnContentException();
        }
        StringBuilder stringBuilder = new StringBuilder((byte)source2.Length * 4);
        ReadSubIdentifier(source2, out var bytesRead, out var smallValue, out var largeValue);
        if (smallValue.HasValue)
        {
            long num = smallValue.Value;
            byte value;
            if (num < 40)
            {
                value = 0;
            }
            else if (num < 80)
            {
                value = 1;
                num -= 40;
            }
            else
            {
                value = 2;
                num -= 80;
            }
            stringBuilder.Append(value);
            stringBuilder.Append('.');
            stringBuilder.Append(num);
        }
        else
        {
            BigInteger value2 = largeValue.Value;
            byte value = 2;
            value2 -= (BigInteger)80;
            stringBuilder.Append(value);
            stringBuilder.Append('.');
            stringBuilder.Append(value2.ToString());
        }
        source2 = source2.Slice(bytesRead);
        while (!source2.IsEmpty)
        {
            ReadSubIdentifier(source2, out bytesRead, out smallValue, out largeValue);
            stringBuilder.Append('.');
            if (smallValue.HasValue)
            {
                stringBuilder.Append(smallValue.Value);
            }
            else
            {
                stringBuilder.Append(largeValue.Value.ToString());
            }
            source2 = source2.Slice(bytesRead);
        }
        totalBytesRead = bytesConsumed;
        return stringBuilder.ToString();
    }

References System.Formats.Asn1.AsnDecoder.GetPrimitiveContentSpan(), System.Formats.Asn1.Asn1Tag.ObjectIdentifier, System.Formats.Asn1.AsnDecoder.ReadSubIdentifier(), System.source, and System.value.