public static bool?GetBoolExtension(this IExtendable extendable, string uri)
{
var ext = extendable.GetExtension(uri);
if (ext != null && ext.Value != null && ext.Value is FhirBoolean)
{
return(((FhirBoolean)ext.Value).Value);
}
return(null);
}
public static T GetExtensionValue <T>(this IExtendable extendable, string uri) where T : Element
{
var ext = extendable.GetExtension(uri);
if (ext != null && ext.Value != null && ext.Value is T)
{
return((T)ext.Value);
}
return(null);
}
/// <summary>
/// Return the first extension with the given uri as a string, or null if none was found
/// </summary>
/// <param name="extendable"></param>
/// <param name="uri"></param>
/// <returns>The first uri, or null if no extension with the given uri was found.</returns>
public static string GetStringExtension(this IExtendable extendable, string uri)
{
var ext = extendable.GetExtension(uri);
if (ext != null && ext.Value != null && ext.Value is FhirString)
{
return(((FhirString)ext.Value).Value);
}
return(null);
}
/// <summary>
/// Set namespace.
/// </summary>
public static String GetNamespace(this IExtendable resource)
{
switch (resource)
{
case StructureDefinition sDef: break;
case ValueSet vsDef: break;
default: throw new Exception($"Can only set namespace on a structure or valueset definition");
}
Extension ns = resource.GetExtension(NamespaceExtensionUri);
return(((FhirUri)ns?.Value)?.Value);
}
/// <summary>
/// Set Composable.
/// </summary>
public static Composable GetComposable(this IExtendable resource)
{
switch (resource)
{
case StructureDefinition sDef: break;
case ElementDefinition eDef: break;
default: throw new Exception($"Can only set Composable on an element definition");
}
Extension ns = resource.GetExtension(ComposableExtensionUri);
String value = ((FhirString)ns?.Value)?.Value;
if (value == null)
{
return(Composable.None);
}
return((Composable)Enum.Parse(typeof(Composable), value));
}
