System.Xml.Xsl.IlGen.XmlILStorageMethods.XmlILStorageMethods C# (CSharp) Method

        public XmlILStorageMethods(Type storageType)
        {
            // Aggregates
            if (storageType == typeof(int) || storageType == typeof(long) ||
                storageType == typeof(decimal) || storageType == typeof(double))
            {
                Type aggType = Type.GetType("System.Xml.Xsl.Runtime." + storageType.Name + "Aggregator");
                AggAvg = XmlILMethods.GetMethod(aggType, "Average");
                AggAvgResult = XmlILMethods.GetMethod(aggType, "get_AverageResult");
                AggCreate = XmlILMethods.GetMethod(aggType, "Create");
                AggIsEmpty = XmlILMethods.GetMethod(aggType, "get_IsEmpty");
                AggMax = XmlILMethods.GetMethod(aggType, "Maximum");
                AggMaxResult = XmlILMethods.GetMethod(aggType, "get_MaximumResult");
                AggMin = XmlILMethods.GetMethod(aggType, "Minimum");
                AggMinResult = XmlILMethods.GetMethod(aggType, "get_MinimumResult");
                AggSum = XmlILMethods.GetMethod(aggType, "Sum");
                AggSumResult = XmlILMethods.GetMethod(aggType, "get_SumResult");
            }

            // Sequences
            if (storageType == typeof(XPathNavigator))
            {
                SeqType = typeof(XmlQueryNodeSequence);
                SeqAdd = XmlILMethods.GetMethod(SeqType, "AddClone");
            }
            else if (storageType == typeof(XPathItem))
            {
                SeqType = typeof(XmlQueryItemSequence);
                SeqAdd = XmlILMethods.GetMethod(SeqType, "AddClone");
            }
            else
            {
                SeqType = typeof(XmlQuerySequence<>).MakeGenericType(storageType);
                SeqAdd = XmlILMethods.GetMethod(SeqType, "Add");
            }

            SeqEmpty = SeqType.GetField("Empty");
            SeqReuse = XmlILMethods.GetMethod(SeqType, "CreateOrReuse", SeqType);
            SeqReuseSgl = XmlILMethods.GetMethod(SeqType, "CreateOrReuse", SeqType, storageType);
            SeqSortByKeys = XmlILMethods.GetMethod(SeqType, "SortByKeys");

            // IList<>
            IListType = typeof(IList<>).MakeGenericType(storageType);
            IListItem = XmlILMethods.GetMethod(IListType, "get_Item");
            IListCount = XmlILMethods.GetMethod(typeof(ICollection<>).MakeGenericType(storageType), "get_Count");

            // XPathItem.ValueAsXXX
            if (storageType == typeof(string))
                ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_Value");
            else if (storageType == typeof(int))
                ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsInt");
            else if (storageType == typeof(long))
                ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsLong");
            else if (storageType == typeof(DateTime))
                ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsDateTime");
            else if (storageType == typeof(double))
                ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsDouble");
            else if (storageType == typeof(bool))
                ValueAs = XmlILMethods.GetMethod(typeof(XPathItem), "get_ValueAsBoolean");

            // XmlILStorageConverter.XXXToAtomicValue
            if (storageType == typeof(byte[]))
                ToAtomicValue = XmlILMethods.GetMethod(typeof(XmlILStorageConverter), "BytesToAtomicValue");
            else if (storageType != typeof(XPathItem) && storageType != typeof(XPathNavigator))
                ToAtomicValue = XmlILMethods.GetMethod(typeof(XmlILStorageConverter), storageType.Name + "ToAtomicValue");
        }
    }