public static DesignTimeMetadata FromXML(string xml)
{
DesignTimeMetadata metadata = new DesignTimeMetadata();
XDocument xdoc = XDocument.Parse(xml);
XElement xmetadata = xdoc.Element(NS_DATA + "Metadata");
XElement xdbSets = xmetadata.Element(NS_DATA + "Metadata.DbSets");
IEnumerable <XProcessingInstruction> ximports = xmetadata.Nodes().Where(n => n is XProcessingInstruction && (n as XProcessingInstruction).Target == "import").Cast <XProcessingInstruction>();
foreach (XProcessingInstruction xpc in ximports)
{
metadata.TypeScriptImports.Add(xpc.Data);
}
if (xdbSets != null)
{
foreach (XElement xdbSet in xdbSets.Elements(NS_DATA + "DbSetInfo"))
{
string xType = xdbSet.Attribute("EntityType").Value;
Type _entityType = _GetTypeFromXType(xType, xdoc);
DbSetInfo dbSetInfo = new DbSetInfo
{
dbSetName = (string)xdbSet.Attribute("dbSetName")
};
dbSetInfo.SetEntityType(_entityType);
if (xdbSet.Attributes("enablePaging").Any())
{
dbSetInfo.enablePaging = (bool)xdbSet.Attribute("enablePaging");
}
if (xdbSet.Attributes("pageSize").Any())
{
dbSetInfo.pageSize = (int)xdbSet.Attribute("pageSize");
}
if (xdbSet.Attributes("isTrackChanges").Any())
{
dbSetInfo.SetIsTrackChanges((bool)xdbSet.Attribute("isTrackChanges"));
}
metadata.DbSets.Add(dbSetInfo);
XElement xFields = xdbSet.Element(NS_DATA + "DbSetInfo.fieldInfos");
IEnumerable <XElement> fields = xFields.Elements(NS_DATA + "Field");
dbSetInfo.fieldInfos.AddRange(_XElementsToFieldList(fields));
}
}
XElement xAssocs = xmetadata.Element(NS_DATA + "Metadata.Associations");
if (xAssocs != null)
{
foreach (XElement xAssoc in xAssocs.Elements(NS_DATA + "Association"))
{
Association assoc = new Association
{
name = (string)xAssoc.Attribute("name")
};
if (xAssoc.Attributes("parentDbSetName").Any())
{
assoc.parentDbSetName = (string)xAssoc.Attribute("parentDbSetName");
}
if (xAssoc.Attributes("childDbSetName").Any())
{
assoc.childDbSetName = (string)xAssoc.Attribute("childDbSetName");
}
if (xAssoc.Attributes("childToParentName").Any())
{
assoc.childToParentName = (string)xAssoc.Attribute("childToParentName");
}
if (xAssoc.Attributes("parentToChildrenName").Any())
{
assoc.parentToChildrenName = (string)xAssoc.Attribute("parentToChildrenName");
}
if (xAssoc.Attributes("onDeleteAction").Any())
{
assoc.onDeleteAction =
(DeleteAction)Enum.Parse(typeof(DeleteAction), xAssoc.Attribute("onDeleteAction").Value);
}
XElement xFieldRels = xAssoc.Element(NS_DATA + "Association.fieldRels");
if (xFieldRels != null)
{
foreach (XElement xFieldRel in xFieldRels.Elements(NS_DATA + "FieldRel"))
{
FieldRel fldRel = new FieldRel
{
parentField = (string)xFieldRel.Attribute("parentField"),
childField = (string)xFieldRel.Attribute("childField")
};
assoc.fieldRels.Add(fldRel);
}
}
metadata.Associations.Add(assoc);
}
}
return(metadata);
}