Subject: [xsl] Walking a complex object graph From: walter.crockett@xxxxxxxxxxxxxxxxxxxxx Date: Fri, 16 Jul 2004 13:00:45 -0400 |
We're trying to create a "virtual XML" navigator object that permits one to write an XSLT script that "walks" a complex object graph and extracts object names, attributes, etc. The purpose is to allow the initial selection of a subset of objects and properties into a simple XML document, which can then be processed in a separate step into the target format (HTML, XML, etc.) The issue we're running into, at least in the XSLT implementation provided in .NET, is that the XSLT processor appears to perform a deep traversal of the graph, which in our case can take a long time or produce an infinite loop (i.e. where there is a cycle of references between objects). Note: we've looked at the ObjectXPathNavigator example on MSDN, and while this is similar to what we're trying to accomplish, it seems like the problem here lies in the XSLT processer, not in the navigation object itself. We've been looking into ways to modify the XSLT processor so its graph traversal behavior is "smarter". Are there any XSLT implementations that are amenable to this kind of tweaking or modification? Alternatively, is there a better strategy for using XSLT to perform the initial selection of data from an arbitrarily connected object graph?
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