internal ConceptInstance GetParentConcept(ConceptInstance instance)
{
foreach (var property in _propertyValues)
{
if (property.Value == instance)
{
return(property.Key.Item1 as ConceptInstance);
}
}
return(null);
}
internal IEnumerable <Concept2> GetAvailableParameters(ConceptInstance instance)
{
var result = new List <Concept2>();
foreach (var property in GetProperties(instance))
{
if (!IsParameter(property))
{
continue;
}
if (HasParameterSubstitution(instance, property))
{
continue;
}
result.Add(property);
}
return(result);
}
internal bool MeetsPattern(PointableInstance instance, ConceptInstance pattern)
{
if (pattern == null)
{
throw new ArgumentNullException("pattern");
}
var o = instance as ConceptInstance;
if (o == null)
{
return(false);
}
//TODO something semantic and other conditionals should be refactored somewhere
var isRootLevelMatch = o.Concept == pattern.Concept || pattern.Concept == Concept2.Something;
if (!isRootLevelMatch)
{
return(false);
}
foreach (var property in GetProperties(pattern))
{
if (property == Concept2.Something)
{
//placeholdered properties has to be treaded in a more complex way
throw new NotImplementedException();
}
if (!MeetsPattern(GetPropertyValue(instance, property), GetPropertyValue(pattern, property) as ConceptInstance))
{
return(false);
}
}
return(true);
}