private void ParseClassicProvider()

in Source/Tx.Windows.TypeGeneration/ManifestParser.cs [189:254]
50 lines of code
3 McCabe index (conditional complexity)

        private void ParseClassicProvider(XElement provider)
        {
            string providerName = MakeIdentifier(provider.Attribute(AttributeNames.Name).Value);
            XElement templates = provider.Element(ElementNames.Templates);

            GetEarliestVersions(provider);
            Func<XElement, string> nameFunction = FindNameFunction(provider);

            XElement events = provider.Element(ElementNames.Events);
            XElement tasks = provider.Element(ElementNames.Tasks);
            XElement opcodes = provider.Element(ElementNames.Opcodes);

            var sb = new StringBuilder(
                @"// 
//    This code was generated by EtwEventTypeGen.exe 
//

using System;");
            sb.AppendLine();
            sb.AppendLine();
            sb.Append("namespace Tx.Windows.");
            sb.Append(providerName);
            sb.AppendLine();
            sb.AppendLine("{");

            foreach (XElement evt in events.Elements())
            {
                string className = nameFunction(evt);

                XElement task = (from t in tasks.Elements()
                                 where
                                     evt.Attribute(AttributeNames.Task).Value == t.Attribute(AttributeNames.Name).Value
                                 select t).First();

                XElement opcode = (from o in opcodes.Elements()
                                   where
                                       evt.Attribute(AttributeNames.Opcode).Value ==
                                       o.Attribute(AttributeNames.Name).Value
                                   select o).First();

                string version = "0";
                if (evt.Attribute(AttributeNames.Version) != null)
                {
                    version = evt.Attribute(AttributeNames.Version).Value;
                }

                sb.AppendFormat("    [ClassicEvent(\"{0}\", {1}, {2})]",
                                task.Attribute(AttributeNames.EventGuid).Value,
                                opcode.Attribute(AttributeNames.MofValue).Value,
                                version);

                sb.AppendLine();

                sb.AppendFormat("    public class {0}{1} : SystemEvent", className, VersionSuffix(evt));
                sb.AppendLine();
                sb.AppendLine("    {");

                EmitTemplate(ref sb, evt, templates);

                sb.AppendLine("    }");
                sb.AppendLine();
            }
            sb.AppendLine("}");

            _code.Add(providerName, sb.ToString());
        }