/// <summary>
/// Reads the atom type mappings from the data file.
/// </summary>
/// <returns>a <see cref="IReadOnlyDictionary{TKey, TValue}"/> with atom type mappings. <see langword="null"/>, if some reading error occurred.</returns>
public IReadOnlyDictionary <string, string> ReadAtomTypeMappings()
{
IReadOnlyDictionary <string, string> mappings = null;
var setting = new XmlReaderSettings
{
DtdProcessing = DtdProcessing.Parse,
ValidationFlags = XmlSchemaValidationFlags.None
};
var handler = new OWLAtomTypeMappingHandler();
var parser = XmlReader.Create(input, setting);
var reader = new XReader
{
Handler = handler
};
try
{
var doc = XDocument.Load(parser);
reader.Read(doc);
mappings = handler.GetAtomTypeMappings();
}
catch (IOException exception)
{
Trace.TraceError(nameof(IOException) + ": " + exception.Message);
Debug.WriteLine(exception);
}
catch (XmlException saxe)
{
Trace.TraceError(nameof(XmlException) + ": " + saxe.Message);
Debug.WriteLine(saxe);
}
return(mappings ?? Dictionaries.Empty <string, string>());
}
public void TestStartDocument()
{
OWLAtomTypeMappingHandler handler = new OWLAtomTypeMappingHandler();
// nothing is read, but Vector is initialized
Assert.IsNotNull(handler);
Assert.IsNull(handler.GetAtomTypeMappings());
}
public void TestGetAtomTypeMappings()
{
OWLAtomTypeMappingHandler handler = new OWLAtomTypeMappingHandler();
// nothing is read
Assert.IsNotNull(handler);
Assert.IsNull(handler.GetAtomTypeMappings());
}
public void TestOWLAtomTypeMappingHandler()
{
OWLAtomTypeMappingHandler handler = new OWLAtomTypeMappingHandler();
Assert.IsNotNull(handler);
}
