private void ReadSection(BinaryReader reader, IppResponseMessage res)
{
IppAttribute? prevAttribute = null;
List <IppAttribute>?attributes = null;
do
{
var data = reader.ReadByte();
var sectionTag = (SectionTag)data;
switch (sectionTag)
{
//https://tools.ietf.org/html/rfc8010#section-3.5.1
case SectionTag.EndOfAttributesTag: return;
case SectionTag.Reserved:
case SectionTag.OperationAttributesTag:
case SectionTag.JobAttributesTag:
case SectionTag.PrinterAttributesTag:
case SectionTag.UnsupportedAttributesTag:
var section = new IppSection {
Tag = sectionTag
};
res.Sections.Add(section);
attributes = section.Attributes;
break;
default:
var attribute = ReadAttribute((Tag)data, reader, prevAttribute);
prevAttribute = attribute;
if (attributes == null)
{
throw new ArgumentException(
$"Section start tag not found in stream. Expected < 0x06. Actual: {data}");
}
attributes.Add(attribute);
break;
}
} while (true);
}
public static IDictionary <string, IppAttribute[]> AllAttributes(this IppSection ippSection) => ippSection.Attributes.GroupBy(x => x.Name).ToDictionary(g => g.Key, g => g.ToArray());
