Streaming XML? [was Re: XML Information Set Requirements..]

Paul Butkiewicz arabbit at earthlink.net
Tue Feb 23 00:38:36 GMT 1999


Hi Tim.  I did some work with this a few months ago and took the each tick
is a document approach. Unfortunately, I haven't really revisited it much
since.  If you're interested, check out
http://home.earthlink.net/~arabbit/xmlnet  I'm not trying to sell anything
(there was a commercial idea with some friends originally, but, eh. . .),
and you can have the source code if you want.  Just curious, if you wanted
someone to bounce ideas off of, etc.

Paul Butkiewicz
arabbit at earthlink.net

-----Original Message-----
From: owner-xml-dev at ic.ac.uk [mailto:owner-xml-dev at ic.ac.uk]On Behalf Of
Tim.Shaw at wdr.com
Sent: Monday, February 22, 1999 4:39 AM
To: cowan at locke.ccil.org
Cc: xml-dev at ic.ac.uk
Subject: Streaming XML? [was Re: XML Information Set Requirements..]


     This was one of my initial concerns on the DOM - I too will be working
     on ticker-type streams.

     I nearly jumped in early in this conversation to agree with the
     'others' - ie the SAX approach is just as important as DOM and the 2
     should both be of similar (standards) status.

     I held off because I'm new to XML, and I wasn't sure if my alternative
     wasn't too obvious to mention.

     I thought that each tick should be treated as a document. The client
     would have to arrange that each 'document' so received would have to
     be built, and then a document fragment extracted and inserted into a
     client-held document (updating display etc. via DOM events as
     appropriate).

     This approach requires the client of the XML data-source to be aware
     of this of course, which may be a killer for genericity.

     Am I way off base here - and if so, could someone point me to current
     thinking on this issue (I've browsed _a lot_ and seen little/nothing).

     Thanks

     tim


______________________________ Reply Separator
_________________________________
Subject: Re: XML Information Set Requirements, W3C Note 18-February
Author:  cowan (cowan at locke.ccil.org) at unix,mime
Date:    19/02/99 22:06


Nathan Kurz wrote:

> And if the stream is continuous (for example, an XML
> stock ticker) even the concept of a well-formed stream seems tenuous.

It's not clear that XML supports infinitely long streams (where the
end-tag of the document element is *never* reached).

--
John Cowan      http://www.ccil.org/~cowan              cowan at ccil.org
        You tollerday donsk?  N.  You tolkatiff scowegian?  Nn.
        You spigotty anglease?  Nnn.  You phonio saxo?  Nnnn.
                Clear all so!  'Tis a Jute.... (Finnegans Wake 16.5)

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