Subject: RE: [xsl] Progress indicator in Xalan? From: "Michael Kay" <michael.h.kay@xxxxxxxxxxxx> Date: Mon, 17 Feb 2003 09:16:52 -0000 |
> How difficult will it be to code a progress indicator that > would show the percentage of the process when we parse and > transform an XML into another XML/HTML using an XSL It's easy enough to do this for a serial process such as parsing. It's not really possible to do it for a non-serial process such as transformation: there is no way of predicting how much work remains to be done. (XSLT is a Turing-complete language, therefore it's not even possible to predict whether a transformation will ever finish). It's possible, of course, that some heuristic might be devised that works sufficiently often to be useful. But the transformations where you want a progress indication are probably exactly those where the performance is non-linear, so I think this is unlikely. Michael Kay Software AG home: Michael.H.Kay@xxxxxxxxxxxx work: Michael.Kay@xxxxxxxxxxxxxx XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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