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   A weaker XSL? (Was: Storing Lots of Fiddly Bits )

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  • From: Clark Evans <clark.evans@manhattanproject.com>
  • To: "XML Developers' List" <xml-dev@ic.ac.uk>
  • Date: Thu, 04 Feb 1999 06:59:02 +0000

Tyler Baker wrote:
> In this case of XSL the spec enforces constraints which make it impossible 
> to be able to properly process an XML document unless it has been fully
> parsed into an in-memory tree structure (for most people this will be the DOM).

Wow!  Not what I had expected.  I guess I have much
to learn. *smile*  Anyway,

I have a negative-gut reaction to such a strong 
requirement.  It comes from being burned on many 
occassions -- it is very easy to underestimate the
memory size and processing time required to 
translate a stream into an object for further

Is there a possibility for creating a sub-set of 
XSL that would work on a stream instead of 
requiring a complete document object?

I picture a database doing all of the sorting
and other non-stream operations before/as the
XML is created.  Thus, the sub-set of XSL should 
be capable of being driven from a SAX equivalent
stream event observer.

:) Clark Evans

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