public static Type ParseTypeOrNullFromXml(XElement xml)
{
if (IsEmptyXml(xml))
{
return(null);
}
ExpressionSerializationTypeResolver resolver = new ExpressionSerializationTypeResolver();
return(ParseTypeFromXml(xml, resolver));
}
static private Type ParseNormalTypeFromXmlCore(XElement xml, ExpressionSerializationTypeResolver resolver)
{
if (!xml.HasElements)
{
return(resolver.GetType(xml.Attribute("Name").Value));
}
var genericArgumentTypes = from genArgXml in xml.Elements()
select ParseTypeFromXmlCore(genArgXml, resolver);
return(resolver.GetType(xml.Attribute("Name").Value, genericArgumentTypes));
}
public static Type ParseTypeFromXmlCore(XElement xml, ExpressionSerializationTypeResolver resolver)
{
switch (xml.Name.ToString())
{
case "Type":
return(ParseNormalTypeFromXmlCore(xml, resolver));
case "AnonymousType":
return(ParseAnonymousTypeFromXmlCore(xml, resolver));
default:
throw new ArgumentException("Expected 'Type' or 'AnonymousType'");
}
}
static private Type ParseAnonymousTypeFromXmlCore(XElement xElement, ExpressionSerializationTypeResolver resolver)
{
string name = xElement.Attribute("Name").Value;
var properties = from propXml in xElement.Elements("Property")
select new ExpressionSerializationTypeResolver.NameTypePair
{
Name = propXml.Attribute("Name").Value,
Type = ParseTypeFromXml(propXml, resolver)
};
var ctr_params = from propXml in xElement.Elements("Constructor").Elements("Parameter")
select new ExpressionSerializationTypeResolver.NameTypePair
{
Name = propXml.Attribute("Name").Value,
Type = ParseTypeFromXml(propXml, resolver)
};
return(resolver.GetOrCreateAnonymousTypeFor(name, properties.ToArray(), ctr_params.ToArray()));
}
/// <summary>
/// Initializes a new instance of the <see cref="DLinqCustomExpressionXmlConverter"/> class.
/// </summary>
/// <param name="dc">
/// The dc.
/// </param>
/// <param name="resolver">
/// The resolver.
/// </param>
public DLinqCustomExpressionXmlConverter(DataContext dc, ExpressionSerializationTypeResolver resolver)
{
this.dc = dc;
this.resolver = resolver;
}
public ExpressionSerializer()
{
this.resolver = new ExpressionSerializationTypeResolver();
Converters = new List <CustomExpressionXmlConverter>();
}
public static Type ParseTypeFromXml(XElement xml, ExpressionSerializationTypeResolver resolver)
{
Debug.Assert(xml.Elements().Count() == 1);
return(ParseTypeFromXmlCore(xml.Elements().First(), resolver));
}