Subject: Re: [xsl] [ANN] DataPower Streaming XML Processing Breakthrough for XML Documents of Unlimited Size From: António Mota <amsmota@xxxxxxxxx> Date: Thu, 31 Mar 2005 17:37:22 +0100 |
Curiously i just received a "news alert" from eweek about it. http://www.eweek.com/article2/0,1759,1780265,00.asp On Thu, 31 Mar 2005 09:44:27 -0500, Jan Nelson <jan@xxxxxxxxxxxxx> wrote: > Hi Emmanouil, > > Emmanouil Batsis wrote: > > Jan Nelson wrote: > > > >> DataPower Streaming XML Processing Breakthrough Delivers Streaming XPath > >> and Streaming XSLT for XML Documents of Unlimited Size > > > > Could you please provide a direct link? > > This particular press release hasn't made it to our news page yet > (http://www.datapower.com/newsroom/) but I put the entire text of it in the > original post. > > > I was wondering if full XSLT or a subset of it is supported and how the > > whole thing stands against Streaming Transformations for XML. > > Streaming processing does only apply to a certain subset of XSLT and XPath; > for example, an expression like "(//a)[count(//a) div 2]" can't be evaluated > on a stream of input data without buffering the entire stream, thereby > defeating the purpose. DataPower's XA35 does streamability analysis on each > stylesheet, and if it finds expressions that can't be executed on a stream, > it logs diagnostics to that effect and falls back to normal tree-oriented > processing. This technology has no particular relation to STX. > > Jan
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