public unsafe void ReplaceParam()

in language-extensions/dotnet-core-CSharp/src/managed/CSharpParamContainer.cs [149:216]
66 lines of code
17 McCabe index (conditional complexity)

        public unsafe void ReplaceParam(
            ushort paramNumber,
            void   **paramValue,
            int    *strLenOrNullMap)
        {
            Logging.Trace("CSharpParamContainer::ReplaceParam");
            if(!UserParams.ContainsKey(_params[paramNumber].Name))
            {
                *strLenOrNullMap = SQL_NULL_DATA;
                return;
            }

            _params[paramNumber].Value = UserParams[_params[paramNumber].Name];
            CSharpParam param = _params[paramNumber];
            if(param.Value == null)
            {
                *strLenOrNullMap = SQL_NULL_DATA;
                return;
            }

            *strLenOrNullMap = (int)param.Size;
            switch(param.DataType)
            {
                case SqlDataType.DotNetInteger:
                    ReplaceNumericParam<int>((int)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetUInteger:
                    ReplaceNumericParam<uint>((uint)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetBigInt:
                    ReplaceNumericParam<long>((long)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetUBigInt:
                    ReplaceNumericParam<ulong>((ulong)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetTinyInt:
                    ReplaceNumericParam<sbyte>((sbyte)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetUTinyInt:
                    ReplaceNumericParam<byte>((byte)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetSmallInt:
                    ReplaceNumericParam<short>((short)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetUSmallInt:
                    ReplaceNumericParam<ushort>((ushort)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetDouble:
                    ReplaceNumericParam<double>((double)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetFloat:
                    ReplaceNumericParam<double>((double)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetReal:
                    ReplaceNumericParam<float>((float)param.Value, paramValue);
                    break;
                case SqlDataType.DotNetBit:
                    bool boolValue = Convert.ToBoolean(param.Value);
                    ReplaceNumericParam<bool>(boolValue, paramValue);
                    break;
                case SqlDataType.DotNetChar:
                    *strLenOrNullMap = (param.Value.Length < *strLenOrNullMap) ? param.Value.Length : *strLenOrNullMap;
                    ReplaceStringParam((string)param.Value, paramValue);
                    break;
                default:
                    throw new NotImplementedException("Parameter type for " + param.DataType.ToString() + " has not been implemented yet");
            }
        }