System.Xml.Serialization.XmlSerializationReaderCodeGen.WritePrimitive C# (CSharp) Method

        private void WritePrimitive(TypeMapping mapping, string source)
        {
            if (mapping is EnumMapping)
            {
                string enumMethodName = ReferenceMapping(mapping);
                if (enumMethodName == null) throw new InvalidOperationException(SR.Format(SR.XmlMissingMethodEnum, mapping.TypeDesc.Name));
                if (mapping.IsSoap)
                {
                    // SOAP methods are not strongly-typed (the return object), so we need to add a cast
                    Writer.Write("(");
                    Writer.Write(mapping.TypeDesc.CSharpName);
                    Writer.Write(")");
                }
                Writer.Write(enumMethodName);
                Writer.Write("(");
                if (!mapping.IsSoap) Writer.Write(source);
                Writer.Write(")");
            }
            else if (mapping.TypeDesc == StringTypeDesc)
            {
                Writer.Write(source);
            }
            else if (mapping.TypeDesc.FormatterName == "String")
            {
                if (mapping.TypeDesc.CollapseWhitespace)
                {
                    Writer.Write("CollapseWhitespace(");
                    Writer.Write(source);
                    Writer.Write(")");
                }
                else
                {
                    Writer.Write(source);
                }
            }
            else
            {
                if (!mapping.TypeDesc.HasCustomFormatter)
                {
                    Writer.Write(typeof(XmlConvert).FullName);
                    Writer.Write(".");
                }
                Writer.Write("To");
                Writer.Write(mapping.TypeDesc.FormatterName);
                Writer.Write("(");
                Writer.Write(source);
                Writer.Write(")");
            }
        }