On Thu, 2007-23-08 at 13:48 -0600, Charlie Savage wrote: > I don't think your Ruby code would change at all. Under the covers, the > bindings would see that you are adding root to to doc, and so the Ruby > object pointing to root would give up ownership. > > You'd then setup a mark function for each node. The mark function would > alert the Ruby garbage collector that the doc Ruby object is still in > use (because you have Ruby objects pointing to child nodes). > > When eventually all Ruby objects pointing to nodes are no longer in use, > Ruby's garbage collector will collect the doc object which in turn will > free the libxml tree. > > Seems nice and simple to me, avoids all reference counting, and > leverages Ruby's mark-and-sweep garbage collector. > > So am I missing something?
No, I think you're right. The more I think about this, the more I realise that the reference counting here is a can of worms. It could probably be made to work but I keep seeing more and more corner cases. So, when can you have it ready ;-) __ Marc
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