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   Re: Streaming XML and SAX

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  • From: "Bill la Forge" <b.laforge@jxml.com>
  • To: "Didier PH Martin" <martind@netfolder.com>, "'XML Dev'" <xml-dev@ic.ac.uk>, "Nathan Kurz" <nate@valleytel.net>
  • Date: Sun, 28 Feb 1999 13:31:52 -0500

From: Didier PH Martin <martind@netfolder.com>
>This architecture brings more work than required. An other way to do it
>would be (in fact we are already doing that with our DSSSL,XSL
>a) parse the document or the stream
>b) a interpreter router check for certain Gi or Pi. On matching one, load
>the appropriate interpreter
>c) the interpreter interprets parsed GIs until the end of the document (in
>your example: </purchase>)
>d) When the end of the document is reached, the router goes back to listen
>mode for this multiplexed channel (a channel is a multiplexed stream within
>a session) and the interpreter is unloaded

It seems like something is backwards here!

If an application is processing a series of documents, once it has a universal 
type name for that document (root element name + namespace), it knows how it
wants to process the document and doesn't need a Pi. (What's a Gi? Is that XML?)

Also, you should be able to use the same parser for all document types and then do
the routing on the parse events, saving you from having to do a "pre-parse" to
determine the universal type name.


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