public unsafe void AddParam()

in language-extensions/dotnet-core-CSharp/src/managed/CSharpParamContainer.cs [61:143]
78 lines of code
18 McCabe index (conditional complexity)

        public unsafe void AddParam(
            ushort       paramNumber,
            string       paramName,
            SqlDataType  dataType,
            ulong        paramSize,
            short        decimalDigits,
            void         *paramValue,
            int          strLenOrNullMap,
            short        inputOutputType)
        {
            Logging.Trace("CSharpParamContainer::AddParam");
            if (paramName == null)
            {
                throw new ArgumentException("Invalid input parameter name supplied");
            }

            else if (paramNumber >= TotalParams || paramNumber < 0)
            {
                throw new ArgumentException("Invalid input parameter id supplied: " + paramNumber.ToString());
            }

            _params[paramNumber] = new CSharpParam{
                DataType = dataType,
                DecimalDigits = decimalDigits,
                Name = paramName,
                InputOutputType = inputOutputType,
                Number = paramNumber,
                Size = paramSize,
                StrLenOrNullMap = strLenOrNullMap
            };

            if (strLenOrNullMap == SQL_NULL_DATA)
            {
                return;
            }

            switch(dataType)
            {
                case SqlDataType.DotNetInteger:
                    _params[paramNumber].Value = *(int*)paramValue;
                    break;
                case SqlDataType.DotNetUInteger:
                    _params[paramNumber].Value = *(uint*)paramValue;
                    break;
                case SqlDataType.DotNetBigInt:
                    _params[paramNumber].Value = *(long*)paramValue;
                    break;
                case SqlDataType.DotNetUBigInt:
                    _params[paramNumber].Value = *(ulong*)paramValue;
                    break;
                case SqlDataType.DotNetTinyInt:
                    _params[paramNumber].Value = *(sbyte*)paramValue;
                    break;
                case SqlDataType.DotNetUTinyInt:
                    _params[paramNumber].Value = *(byte*)paramValue;
                    break;
                case SqlDataType.DotNetSmallInt:
                    _params[paramNumber].Value = *(short*)paramValue;
                    break;
                case SqlDataType.DotNetUSmallInt:
                    _params[paramNumber].Value = *(ushort*)paramValue;
                    break;
                case SqlDataType.DotNetDouble:
                    _params[paramNumber].Value = *(double*)paramValue;
                    break;
                case SqlDataType.DotNetFloat:
                    _params[paramNumber].Value = *(double*)paramValue;
                    break;
                case SqlDataType.DotNetReal:
                    _params[paramNumber].Value = *(float*)paramValue;
                    break;
                case SqlDataType.DotNetBit:
                    _params[paramNumber].Value = *(bool*)paramValue;
                    break;
                case SqlDataType.DotNetChar:
                    _params[paramNumber].Value = Interop.UTF8PtrToStr((char*)paramValue, (ulong)strLenOrNullMap);
                    break;
                default:
                    throw new NotImplementedException("Parameter type for " + dataType.ToString() + " has not been implemented yet");
            }

            UserParams[paramName] = _params[paramNumber].Value;
        }