/// <summary>
/// Construcotr
/// </summary>
/// <param name="reader">the XmlReader for current Edm doc</param>
/// <param name="getReferencedModelReaderFunc">The function to load referenced model xml. If null, will stop loading the referenced model.</param>
private EdmxReader(XmlReader reader, Func<Uri, XmlReader> getReferencedModelReaderFunc)
{
this.reader = reader;
this.getReferencedModelReaderFunc = getReferencedModelReaderFunc;
this.errors = new List<EdmError>();
this.edmReferences = new List<IEdmReference>();
this.csdlParser = new CsdlParser();
// Setup the edmx parser.
this.edmxParserLookup = new Dictionary<string, Action>
{
{ CsdlConstants.Element_DataServices, this.ParseDataServicesElement },
{ CsdlConstants.Element_Reference, this.ParseReferenceElement },
{ CsdlConstants.Element_Runtime, this.ParseRuntimeElement }
};
this.dataServicesParserLookup = new Dictionary<string, Action>
{
{ CsdlConstants.Element_Schema, this.ParseCsdlSchemaElement }
};
this.runtimeParserLookup = new Dictionary<string, Action>
{
{ CsdlConstants.Element_ConceptualModels, this.ParseConceptualModelsElement }
};
this.conceptualModelsParserLookup = new Dictionary<string, Action>
{
{ CsdlConstants.Element_Schema, this.ParseCsdlSchemaElement }
};
}
public static bool TryParse(IEnumerable <XmlReader> csdlReaders, out CsdlModel entityModel, out IEnumerable <EdmError> errors)
{
EdmUtil.CheckArgumentNull(csdlReaders, "csdlReaders");
CsdlParser parser = new CsdlParser();
int readerCount = 0;
foreach (var inputReader in csdlReaders)
{
if (inputReader != null)
{
try
{
parser.AddReader(inputReader);
}
catch (XmlException e)
{
entityModel = null;
errors = new EdmError[] { new EdmError(new CsdlLocation(e.LineNumber, e.LinePosition), EdmErrorCode.XmlError, e.Message) };
return(false);
}
}
else
{
entityModel = null;
errors = new EdmError[] { new EdmError(null, EdmErrorCode.NullXmlReader, Edm.Strings.CsdlParser_NullXmlReader) };
return(false);
}
readerCount++;
}
if (readerCount == 0)
{
entityModel = null;
errors = new EdmError[] { new EdmError(null, EdmErrorCode.NoReadersProvided, Edm.Strings.CsdlParser_NoReadersProvided) };
return(false);
}
bool success = parser.GetResult(out entityModel, out errors);
if (!success)
{
entityModel = null;
}
return(success);
}
public static bool TryParse(IEnumerable<XmlReader> csdlReaders, out CsdlModel entityModel, out IEnumerable<EdmError> errors)
{
EdmUtil.CheckArgumentNull(csdlReaders, "csdlReaders");
CsdlParser parser = new CsdlParser();
int readerCount = 0;
foreach (var inputReader in csdlReaders)
{
if (inputReader != null)
{
try
{
parser.AddReader(inputReader);
}
catch (XmlException e)
{
entityModel = null;
errors = new EdmError[] { new EdmError(new CsdlLocation(e.LineNumber, e.LinePosition), EdmErrorCode.XmlError, e.Message) };
return false;
}
}
else
{
entityModel = null;
errors = new EdmError[] { new EdmError(null, EdmErrorCode.NullXmlReader, Edm.Strings.CsdlParser_NullXmlReader) };
return false;
}
readerCount++;
}
if (readerCount == 0)
{
entityModel = null;
errors = new EdmError[] { new EdmError(null, EdmErrorCode.NoReadersProvided, Edm.Strings.CsdlParser_NoReadersProvided) };
return false;
}
bool success = parser.GetResult(out entityModel, out errors);
if (!success)
{
entityModel = null;
}
return success;
}
