void AddReferences(HashSet <String> referencedFrags,
String fragmentDir,
StructureDefinition sd)
{
const String fcn = "ProcessOne";
FhirJsonParser parser = new FhirJsonParser();
foreach (String fragmentUrl in sd.ReferencedFragments())
{
String fragmentPath = FragPath(fragmentDir, fragmentUrl.LastUriPart());
if (File.Exists(fragmentPath) == false)
{
this.ConversionError(this.GetType().Name,
fcn,
$"Missing fragment file {fragmentPath}");
}
if (referencedFrags.Contains(fragmentPath) == false)
{
referencedFrags.Add(fragmentPath);
StructureDefinition frag = parser.Parse <StructureDefinition>(File.ReadAllText(fragmentPath));
this.AddFragment(frag);
AddReferences(referencedFrags, fragmentDir, frag);
}
}
}