private static object ParseAttribute(this IXmlFieldInfoDescriptor fieldDescriptor, string attributeName, XElement element)
        {
            XAttribute attribute = element.Attribute(attributeName);

            if (attribute == null)
            {
                return(null);
            }

            return(fieldDescriptor.StringToField(attribute.Value));
        }
        private static object ParseElement(this IXmlFieldInfoDescriptor fieldDescriptor, string elementName, XElement element)
        {
            XElement elementItem = null;

            foreach (XElement childElement in element.Elements())
            {
                if (childElement.Name.LocalName != elementName)
                {
                    continue;
                }

                elementItem = childElement;
                break;
            }

            if (elementItem == null || elementItem.Value == null)
            {
                return(null);
            }

            return(fieldDescriptor.StringToField(elementItem.Value));
        }