Re: GSXML, an SXML dialect

Hello Julian,

thanks for commenting on the issues! Definitively, SDOM is a nice
development.

On Sat, 29 Jul 2006 11:38:03 -0400
"Julian Graham" <[email protected]> wrote:

> > Presumably, you are aware about the paper "On parent pointers in SXML
> > trees".
> 
> Yes, I am -- it was useful in the design of SDOM.  I use Kirill
> Lisovsky's thunk-wrapping mechanism for doing the parent-node
> annotations.
> 
> > > - 2.3: SDOM is explicitly capable of ordering a document in
> > > document-order.
> >
> > Interesting. Do you mean, if I have "node1" and "node2", SDOM can say
> > if "node1" comes before or after "node2"? If yes, would you please
> > describe how you implemented it?
> 
> Yes, provided node1 and node2 are belong to the same document and each
> is either an element or an attribute node.  Document ordering is
> relatively simple -- it just means taking a list of nodes based on a
> top-down traversal of the document tree in a particular visiting order
> (element; attributes; child elements, recursively).  I think you might
> be referring to determining relative position of nodes within a
> document,
> (http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#Node
> 3-compareDocumentPosition), which involves finding closest common
> ancestors and is a bit more subtle.  (SDOM also explicitly supports
> this, using the algorithm described in the Core recommendation under
> "Document Position.")
> 
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-- 
Oleg Parashchenko  olpa@ http://uucode.com/
http://uucode.com/blog/  Generative Programming, XML, TeX, Scheme

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