private Model.Composite GetComposite(KeyValuePair <string, List <int> > item)
{
Model.Composite oComposite = new Model.Composite();
oComposite.Code = item.Key;
foreach (var index in item.Value)
{
XName target = String.Format("{0}.{1}.{2}", item.Key, index.ToString(), "CONTENT");
XElement CompDetail = (from x in CompositeElementList where (string)x.Attribute(HL7v2Xsd.Attributes.Name) == target select x).Single();
Model.CompositeItem oSchemaBase = BuildSingleComposite(CompDetail);
oComposite.CompositeItem.Add(index, oSchemaBase);
}
return(oComposite);
}
private Model.CompositeItem BuildSingleComposite(XElement CompDetail)
{
string DataTypeCode = CompDetail.Element(HL7v2Xsd.Elements.Annotation).Element(HL7v2Xsd.Elements.Appinfo).Element(HL7v2Xsd.Elements.Type).Value;
string DataTypeDescription = CompDetail.Element(HL7v2Xsd.Elements.Annotation).Element(HL7v2Xsd.Elements.Appinfo).Element(HL7v2Xsd.Elements.LongName).Value;
string DataTypeTable = string.Empty;
if (CompDetail.Element(HL7v2Xsd.Elements.Annotation).Element(HL7v2Xsd.Elements.Appinfo).Element(HL7v2Xsd.Elements.Table) != null)
{
DataTypeTable = CompDetail.Element(HL7v2Xsd.Elements.Annotation).Element(HL7v2Xsd.Elements.Appinfo).Element(HL7v2Xsd.Elements.Table).Value;
}
Model.DataTypeBase oDataTypeBase = DataTypeList.SingleOrDefault(x => x.Code == DataTypeCode);
if (oDataTypeBase != null)
{
Model.CompositeItem oComponent = new Model.CompositeItem();
oComponent.Description = DataTypeDescription;
oComponent.Type = oDataTypeBase;
oComponent.Hl7TableIndex = 0;
SetHl7Table(DataTypeTable, oComponent);
return(oComponent);
}
else
{
oDataTypeBase = DataTypeList.SingleOrDefault(x => x.Code == DataTypeCode);
if (oDataTypeBase != null)
{
Model.CompositeItem oComponent = new Model.CompositeItem();
oComponent.Description = DataTypeDescription;
oComponent.Type = oDataTypeBase;
oComponent.Hl7TableIndex = 0;
SetHl7Table(DataTypeTable, oComponent);
return(oComponent);
}
else
{
//if the sub data type is not in the primitives or the current composite lists then it has not been resolved as yet
//and must be a composite as all primitives are resolved at this point. There for we lookup this new composite
//and resolve it then continue on as planed.
KeyValuePair <string, List <int> > oSingleCompositeIndexList = CompositeIndexList.Single(x => x.Key == DataTypeCode);
DataTypeList.Add(GetComposite(oSingleCompositeIndexList));
oDataTypeBase = DataTypeList.SingleOrDefault(x => x.Code == DataTypeCode);
Model.CompositeItem oComponent = new Model.CompositeItem();
oComponent.Description = DataTypeDescription;
oComponent.Type = oDataTypeBase;
oComponent.Hl7TableIndex = 0;
SetHl7Table(DataTypeTable, oComponent);
return(oComponent);
}
}
}
private static void SetHl7Table(string DataTypeTable, Model.CompositeItem oComponent)
{
if (DataTypeTable != String.Empty)
{
try
{
if (DataTypeTable.Substring(0, 3) != "HL7")
{
throw new Exception("A data type references a table that is not prefixed with HL7, what is this table. Ref found was: " + DataTypeTable);
}
oComponent.Hl7TableIndex = Convert.ToInt32(DataTypeTable.Substring(3, (DataTypeTable.Length - 3)));
}
catch (Exception exec)
{
throw new Exception("A HL7 Table reference was not an integer in the XML schema files. Found: " + DataTypeTable, exec);
}
}
}