[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] namespaces v. processing instructions for processorinvocation
Hi, I am implementing a (hopefully) flexible XML transformer that uses external context information to define how the transform will work. At the heart of the transformer is an XSLT processor, however the style sheets are hidden and are defined by a sort of "meta" style sheet that is context aware. Although the engine works I am in doubt about which is the best way to define the meta file location from an XML file. My first preference was to use namespaces - <myxml xmlns="http://www.client.com/data" xmlns:meta="http://www.ourcompany.com/context-transform" meta:location="http://www.client.com/context-file.meta" > <stuff>bla bla</stuff> </myxml> As my processor "knows" what to do with elements and attributes in the http://www.ourcompany.com/context-transform namespace it can processes the XML accordingly. I can also create other processors in the same way creating a processing chain. However XSLT uses a processing instruction to define the location, using this model my data will be - <?context-transform href="http://www.client.com/contextfile.meta" ?> <myxml xmlns="http://www.client.com/data" > <stuff>bla bla</stuff> </myxml Which method, if any, is considered best practice, are there better methods? If the namespace method is best why is XSLT implemented otherwise? Regards Paul Schofield _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
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