/// <exception cref="Exception">Thrown when...</exception>
public void Parse()
{
if (doc == null)
{
throw new Exception("Input stream is not valid");
}
vocabulary = (from v in doc.Descendants(ELEMENT_VOCABULARY_DESCRIPTION)
select new Vocabulary
{
vocabularyIRI = (string)v.Attribute(ATTRIBUTE_PROPERTY_TARGET).Value,
aspects = (from aspects in v.Descendants(ELEMENT_ASPECTS)
select (string)aspects.Attribute(ELEMENT_ASPECT)).ToArray<string>(),
properties = new Dictionary<string,VocabularyProperty>(),
vocabularyVariables = new Dictionary<string,VocabularyVariable>(),
}).First<Vocabulary>();
XElement vocDescrXElement = doc.Descendants(ELEMENT_VOCABULARY_DESCRIPTION).First<XElement>();
XElement propertiesXElement = vocDescrXElement.Descendants(ELEMENT_PROPERTIES).First<XElement>();
VocabularyProperty[] vocabularyProperties = (from prop in propertiesXElement.Descendants(ELEMENT_PROPERTY)
//where prop.Attribute(ATTRIBUTE_PROPERTY_DATA_TYPE) != null
select new VocabularyProperty
{
aspects = prop.Attribute(ATTRIBUTE_PROPERTY_ASPECTS).Value.Replace(" ", "").Split(",".ToCharArray()),
defaultAspect = prop.Attribute(ATTRIBUTE_PROPERTY_DEFAULT_ASPECT).Value,
//expr = prop.Attribute(ATTRIBUTE_PROPERTY_EXPR).Value,
name = prop.Attribute(ATTRIBUTE_PROPERTY_NAME).Value,
type = prop.Attribute(ATTRIBUTE_PROPERTY_DATA_TYPE).Value,
}).ToArray<VocabularyProperty>();
foreach (VocabularyProperty vp in vocabularyProperties)
{
vocabulary.properties.Add(vp.name, vp);
}
try
{
XElement variablesXElement = vocDescrXElement.Descendants(ELEMENT_VARIABLES).First<XElement>();
VocabularyVariable[] vocabularyVariables = (from var in variablesXElement.Descendants(ELEMENT_VARIABLE)
select new VocabularyVariable
{
aspect = var.Attribute(ATTRIBUTE_PROPERTY_ASPECT).Value,
id = var.Attribute(ATTRIBUTE_PROPERTY_ID).Value,
name = var.Attribute(ATTRIBUTE_PROPERTY_NAME).Value,
vocabulary = var.Attribute(ATTRIBUTE_PROPERTY_VOCABULARY).Value,
}).ToArray<VocabularyVariable>();
foreach (VocabularyVariable vv in vocabularyVariables)
{
vocabulary.vocabularyVariables.Add(vv.id, vv);
}
}
catch (Exception ex)
{
//TODO: Handle this Exception
}
}
/// <exception cref="W3c.Ddr.Exceptions.NameException">Thrown when an aspect or property or vocabulary is not recognized</exception>
public VocabularyProperty ExistProperty(String propertyName, String aspect, String vocabularyIRI, bool throwsException)
{
String realAspect = aspect;
VocabularyProperty vocabularyProperty = (VocabularyProperty)vocabularyPropertyCache.GetCachedElement(propertyName + aspect + vocabularyIRI);
if (vocabularyProperty == null)
{
Vocabulary vocabulary = new Vocabulary();
if (vocabularies.TryGetValue(vocabularyIRI, out vocabulary))
{
Dictionary<String, VocabularyProperty> propertyMap = vocabulary.properties;
if (propertyMap.TryGetValue(propertyName, out vocabularyProperty))
{
if (realAspect != null && realAspect.Trim().Length > 0)
{
if (vocabularyProperty.aspects.Contains(realAspect))
{
vocabularyPropertyCache.SetCachedElement(propertyName + aspect + vocabularyIRI, vocabularyProperty);
return vocabularyProperty;
}
else
{
if (throwsException)
{
throw new NameException(NameException.ASPECT_NOT_RECOGNIZED, "unknow \"" + realAspect + "\" aspect");
}
return null;
}
}
else
{
return vocabularyProperty;
}
}
else
{
if (throwsException)
{
throw new NameException(NameException.PROPERTY_NOT_RECOGNIZED, "unknow \"" + propertyName + "\" property");
}
return null;
}
}
else
{
if (throwsException)
{
throw new NameException(NameException.VOCABULARY_NOT_RECOGNIZED, "unknow \"" + vocabularyIRI + "\" vacabulary");
}
return null;
}
}
else
{
return vocabularyProperty;
}
}
