public static DynamicEntityDescription Create(XmlReader reader)
{
XmlReaderSettings sett = new XmlReaderSettings();
sett.IgnoreComments = true;
sett.IgnoreProcessingInstructions = true;
sett.IgnoreWhitespace = true;
XmlReader rdr = XmlReader.Create(reader, sett);
XmlDocument doc = new XmlDocument();
doc.Load(rdr);
if (doc.ChildNodes.Count != 1)
{
DynamicEntityBuildingError err = new DynamicEntityBuildingError(ErrorType.InvalidXmlDocument, "The xml document must only one node describing an entity");
return(null);
}
XmlNode node = doc.ChildNodes[0];
DynamicEntityDescription entity = new DynamicEntityDescription();
entity._name = node.Name;
foreach (XmlNode n in node.ChildNodes)
{
if (n.Name == "Usings")
{
foreach (XmlNode nn in n.ChildNodes)
{
if (nn.Name == "Using")
{
entity._usings.Add(nn.InnerXml);
}
else
{
DynamicEntityBuildingError err = new DynamicEntityBuildingError(ErrorType.UnexpectedNode, string.Format("Node 'Using' expected but '{0}' found", node.FirstChild.Name));
return(null);
}
}
}
else if (n.Name == "Namespace")
{
entity._namespace = n.InnerXml;
}
else if (n.Name == "Attributes")
{
foreach (XmlNode nn in n.ChildNodes)
{
DynamicEntityAttributeDescription attribute = DynamicEntityAttributeDescription.Create(nn);
if (nn != null)
{
entity._attributes.Add(attribute.Name, attribute);
}
else
{
DynamicEntityBuildingError err = new DynamicEntityBuildingError(ErrorType.InvalidStructural, "The 'Attribute' object was not build correctly");
return(null);
}
}
}
else if (n.Name == "Properties")
{
foreach (XmlNode nn in n.ChildNodes)
{
DynamicEntityPropertyDescription property = DynamicEntityPropertyDescription.Create(nn);
if (property != null)
{
entity._properties.Add(property.Name, property);
}
else
{
DynamicEntityBuildingError err = new DynamicEntityBuildingError(ErrorType.InvalidStructural, "The 'Property' object was not build correctly");
return(null);
}
}
}
else
{
DynamicEntityBuildingError err = new DynamicEntityBuildingError(ErrorType.UnexpectedNode, string.Format("Node 'Usings', 'Namespace', 'Attributes' or 'Properties' expected but '{0}' found", node.FirstChild.Name));
return(null);
}
}
return(entity);
}
