private static long GetNumber(CosObject obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
return(obj.GetObjectNumber());
}
public CosObject GetOrCreateDefault(CosObjectKey key)
{
if (!objects.TryGetValue(key, out CosObject obj))
{
obj = new CosObject(null);
}
return(obj);
}
public CosObject Get(CosObjectKey key)
{
if (key != null)
{
if (objects.TryGetValue(key, out var value))
{
return(value);
}
}
// this was a forward reference, make "proxy" object
var obj = new CosObject(null);
if (key != null)
{
obj.SetObjectNumber(key.Number);
obj.SetGenerationNumber((int)key.Generation);
objects[key] = obj;
}
return(obj);
}
/**
* PDFObjectKey constructor comment.
*
* @param object The object that this key will represent.
*/
public CosObjectKey(CosObject obj) : this(GetNumber(obj), obj.GetGenerationNumber())
{
}