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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: terra incognita
 At 08:58 PM 16/12/01 -0500, Simon St.Laurent wrote: >The separation of content from presentation (or processing) in XML seems >to work okay with similar notions in relational databases, but goes >against much of the grain of object-oriented development. I was forced to think about this back in '97. I was tech-editing one of the very early XML books, with multiple authors, and one of the chapters went on and on about how XML was so great because it was object-oriented. At the time I argued, and I think I still believe, that XML is about as close as you can get to the *opposite* of O-O thinking. The O-O paradigm is that objects are nicely packaged opaque bundles of code & data that do things through carefully designed & presented interface, and you're not supposed to bother your pretty little head about what's happening inside. A chunk of XML on the other hand perforce exposes all its internal structure and does precisely nothing. These two paradigms come from different planets. Mind you, all the software I write to process XML is pretty object-oriented, and I can't imagine anyone advocating walking away from the advances in SW development that O-O thinking has brought us in recent decades. At the end of the day code and data just aren't that much like each other. Maybe this is why Lisp never took over the world, cool though it is. -Tim 
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