void CopyMetadata()

in Source/Tx.Windows/EtwTdh/EtwTdhEventInfo.cs [144:191]
40 lines of code
4 McCabe index (conditional complexity)

        void CopyMetadata(IntPtr buffer, ref EtwNativeEvent e)
        {
            TRACE_EVENT_INFO* info = (TRACE_EVENT_INFO*)buffer;
            byte* start = (byte*)info;
            byte* end = start + sizeof(TRACE_EVENT_INFO);

            _template = new Dictionary<string, object>();
            _template.Add("Provider", CopyString(start, info->ProviderNameOffset));
            _template.Add("Level", CopyString(start, info->LevelNameOffset));
            _template.Add("Task", CopyString(start, info->TaskNameOffset));
            _template.Add("Opcode", CopyString(start, info->OpcodeNameOffset));
            _template.Add("Channel", CopyString(start, info->ChannelNameOffset));
            _formatString = TranslateFormatString(CopyString(start, info->EventMessageOffset));

            EVENT_PROPERTY_INFO* prop = (EVENT_PROPERTY_INFO*)end;
            var propList = new List<EtwPropertyInfo>();


            for (int i = 0; i < info->TopLevelPropertyCount; i++)
            {
                var propInfo = prop + i;
                var name = CopyString(start, propInfo->NameOffset);
                var type = (TdhInType)(*propInfo).NonStructTypeValue.InType;
                var outType = (TdhOutType)(*propInfo).NonStructTypeValue.OutType;

                EtwPropertyInfo property = null;
                if (propInfo->Flags == PROPERTY_FLAGS.PropertyParamLength)
                {
                    string lenPropertyName = propList[(int)(propInfo->LengthPropertyIndex)].Name;
                    property = new EtwPropertyInfo { Name = name, Type = type, OutType = outType, LengthPropertyName = lenPropertyName };
                }
                else
                {
                    ushort len = (*propInfo).LengthPropertyIndex;
                    property = new EtwPropertyInfo { Name = name, Length = len, Type = type, OutType = outType };
                }

                if (propInfo->NonStructTypeValue.MapNameOffset > 0)
                {
                    string mapName = CopyString(start, propInfo->NonStructTypeValue.MapNameOffset);
                    property.ValueMap = ReadTdhMap(mapName, ref e);
                }

                propList.Add(property);
            }

            _properties = propList.ToArray();
        }