Subject: Re: [xsl] Sablotron and PHP From: Jeni Tennison <jeni@xxxxxxxxxxxxxxxx> Date: Fri, 14 Nov 2003 08:42:08 +0000 |
Hi Paul, > Fair enough. Then, mostly for the benefit of anyone searching the > archives, I'll just say: a number of limitations of XSLT and XPath 1 > can be overcome by use of scheme handlers if you're using PHP's XSLT > functions via the Sablotron engine. The relevant function is > xslt_set_scheme_handlers; it enables you to create custom functions > to handle the document() function. [snip] > I wonder, tho, if other XSL engines have a similar callback > capability. Those XSLT processors that support the TrAX API (i.e. most of the Java XSLT processors, including Saxon and Xalan) have this capability. You can set the URIResolver of a Transformer object to anything that implements the URIResolver interface. The URIResolver.resolve() method takes a URI and a base URI and returns a Source object, which is used to create the document node that is returned by the document() function. Of course, you have to make sure that the results returned for a particular URI are stable during a particular transformation. And using this technique can limit the portability of a particular stylesheet to other XSLT processors or environments. Cheers, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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