protected virtual CsdlTypeReference ParseTypeReference(string typeString, XmlElementValueCollection childValues, CsdlLocation parentLocation, Optionality typeInfoOptionality)
{
bool isNullable = OptionalBoolean(CsdlConstants.Attribute_Nullable) ?? CsdlConstants.Default_Nullable;
CsdlTypeReference elementType = null;
if (typeString != null)
{
string[] typeInformation = typeString.Split(new char[] { '(', ')' });
string typeName = typeInformation[0];
switch (typeName)
{
case CsdlConstants.Value_Collection:
{
string elementTypeName = typeInformation.Length > 1 ? typeInformation[1] : typeString;
elementType = new CsdlExpressionTypeReference(
new CsdlCollectionType(
this.ParseNamedTypeReference(elementTypeName, isNullable, parentLocation), parentLocation), isNullable, parentLocation);
}
break;
case CsdlConstants.Value_Ref:
{
string elementTypeName = typeInformation.Length > 1 ? typeInformation[1] : typeString;
elementType = new CsdlExpressionTypeReference(
new CsdlEntityReferenceType(
this.ParseNamedTypeReference(elementTypeName, isNullable, parentLocation), parentLocation), CsdlConstants.Default_Nullable, parentLocation);
}
break;
default:
elementType = this.ParseNamedTypeReference(typeName, isNullable, parentLocation);
break;
}
}
else if (childValues != null)
{
elementType = childValues.ValuesOfType <CsdlTypeReference>().FirstOrDefault();
}
if (elementType == null && typeInfoOptionality == Optionality.Required)
{
if (childValues != null)
{
// If childValues is null, then it is the case when a required type attribute was expected.
// In this case, we do not report the error as it should already be reported by EdmXmlDocumentParser.RequiredType method.
this.ReportError(parentLocation, EdmErrorCode.MissingType, Edm.Strings.CsdlParser_MissingTypeAttributeOrElement);
}
else
{
Debug.Assert(this.Errors.Any(), "There should be an error reported for the missing required type attribute.");
}
elementType = new CsdlNamedTypeReference(String.Empty, isNullable, parentLocation);
}
return(elementType);
}
protected internal virtual void SetField(int sequenceNumber, int length, DataType dataType, Optionality optionalCode, string elementName, string value = null)
{
_items.Add(new AbstractSequenceItem(sequenceNumber, length, dataType, optionalCode.GetDescription(), "*", elementName, value));
}
