public Source GetSource(string relativeReference)
{
const string method = "GetSource";
if (relativeReference == null)
{
throw new NullParameterException(GetType(), method, "relativeReference");
}
var catalogueName = new CatalogueName(relativeReference);
Namespace ns = (catalogueName.Namespace.Length == 0 ? _searchRoot as Namespace :
GetNamespace(catalogueName.Namespace));
if (ns == null)
{
return(null);
}
ICatalogueSearch search = GetCatalogueSearch();
if (search == null)
{
// Repository search not available, so load the Sources collection if necessary.
return(ns.Sources.GetItem(catalogueName.RelativeQualifiedReference, Options.IgnoreCase, true));
}
// Search in memory first, without loading the Sources collection.
Source result = ns.Sources.GetItem(catalogueName.RelativeQualifiedReference, Options.IgnoreCase,
false);
// If the search failed, but the collection was not loaded then search the repository.
if (result == null && !ns.Sources.IsLoaded)
{
return(search.GetSource(ns, catalogueName.Name, Options.IgnoreCase));
}
return(result);
}
public Namespace GetNamespace(string relativeName)
{
const string method = "GetNamespace";
if (relativeName == null)
{
throw new NullParameterException(GetType(), method, "relativeName");
}
ICatalogueSearch search = GetCatalogueSearch();
if (search == null)
{
// Repository search not available, iterate.
return(GetNamespaceMandatory(relativeName));
}
// Search in memory first, without loading collections.
INamespaceParent found;
string remainingPath;
if (GetNamespaceOptional(relativeName, out found, out remainingPath))
{
return((Namespace)found);
}
// If the search failed, but some collections were not loaded then search the repository.
if (remainingPath != null)
{
return(search.GetNamespace(found, remainingPath, Options.IgnoreCase));
}
return(null); // All collections were already loaded, but the namespace was still not found.
}