<div dir="auto">path() in XSLT: <div style="font-size:inherit"><a href="https://stackoverflow.com/questions/38602029/generate-xpath-from-node-using-xslt-2#:~:text=Comments,-Add%20a%20comment&text=A%20couple%20of%20points.,element%20names%20are%20context%2Dfree." style="font-size:inherit">https://stackoverflow.com/questions/38602029/generate-xpath-from-node-using-xslt-2#:~:text=Comments,-Add%20a%20comment&text=A%20couple%20of%20points.,element%20names%20are%20context%2Dfree.</a></div><div style="font-size:inherit" dir="auto"><br></div><div style="font-size:inherit" dir="auto">Read Michael Kay’s comment before using his code….</div></div><div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sat, Mar 28, 2026 at 2:59 AM John Carlson <<a href="mailto:yottzumm@gmail.com">yottzumm@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">The issue with why there’s no DEF/USE reordering in X3DJSAIL and X3DPSAIL apparently stems from Saxon not being able to handle mutable maps/lookup tables. So let’s build a map per scene, but don’t build it in the X3dTo….xslt, <span style="font-family:-apple-system,sans-serif">but as a generated XSLT map, perhaps in another file, XSLT or not.</span><div dir="auto"><div dir="auto"><br></div><div dir="auto">Perhaps we need to write a preprocessor to map DEF/USE values to a list of XPath expressions in a file per XML scene which allows the DEF node and first USE node for a particular DEF value to be found with an XPath. If the DEF node isn’t the first XPath for a given DEF/USE value, then the DEF node is swapped with the first USE node with the same DEF value. We can probably export this as a stylesheet per XML scene.<div dir="auto"><br></div><div dir="auto">Will this actually work?</div><div dir="auto"><br></div><div dir="auto">Criticism welcome!</div><div dir="auto"><br></div><div dir="auto">I’d say Don could probably whip this up really quick if he can retrieve XPaths for all DEF and USE nodes in a scene. Maybe Vince could as well. What implementation language do we use?</div><div dir="auto"><br></div><div dir="auto">Do PROTOs affect this?</div><div dir="auto"><br></div><div dir="auto">Sorry for all the emails today!</div><div dir="auto"><br></div><div dir="auto">I finally got outside the box as they used to say.</div></div></div><div dir="auto"><div dir="auto"><div dir="auto"><br></div><div dir="auto">John </div></div></div>
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