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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Doing it the other way around (Re: transformations)
 Sean McGrath wrote: > > ... People need to do XML transformation. The look to the W3C > for guidance. They see XSL/XSLT. Six months later some of these > people hit a wall - either in terms of functionality, interfacing to the > outside world, or throughput. This is the way of declarative syntaxes. > It is why enbedded SQL is more useful than standalone SQL. > It is why ODBC is the way it is. Perhaps there is a lesson > here.... Certainly. Most of pure XSLT problems can be solved by embedding XSLT into a powerful scripting engine (e.g., ECMAScript/JavaScript), and by adding XSLT extensions designed to call scripts from XSLT stylesheets. Furthermore, scripting engine can provide DOM support to handle intermediate results and SAX support to filter source/result data and to integrate various XML transformation components into pipelines. Add direct support for lower-level components like XPath expressions and node-sets or XSLT pattern matching, implement regular expressions for search/match/substitution in text data - and you will get the powerful transformation engine using only the already existing technologies. This very approach was implemented in our product - Unicorn XML Processor (announced yesterday); as I know, several products from other vendors use the same concept as well. Regards, Alexey Gokhberg Unicorn Enterprises 
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