// Background: The function GetRuntimeFields gets constant fields only for the specified type,
// not for its base types. So we have to walk recursively through base classes.
// The docmentation says full trust for the immediate caller is required for property BaseClass.
// TODO: Rewrite this stuff for medium trust.
void CollectKeyDescriptors(Type type)
{
// Get fields of the specified type only.
var fields = type.GetTypeInfo().DeclaredFields;
foreach (FieldInfo field in fields)
{
var attributes = field.GetCustomAttributes(typeof(KeyInfoAttribute), false);
foreach (var attribute in attributes)
{
KeyDescriptor descriptor = new KeyDescriptor((KeyInfoAttribute)attribute);
descriptor.KeyValue = (string)field.GetValue(null);
_keyDescriptors[descriptor.KeyValue] = descriptor;
}
}
type = type.GetTypeInfo().BaseType;
if (type != typeof(object) && type != typeof(PdfObject))
{
CollectKeyDescriptors(type);
}
}
