[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Streaming Transformations for XML
Michael Brennan wrote: > >I've been thinking for some time of doing something like this, but have >never gotten around to it. I think my ideal solution, though, would be to >use something that looks somewhat like XSLT, but which lets me specify >lightweight "collectors" -- something like the "variables" in XSLT, but >which collect data from the SAX stream when a pattern is matched. You could >have templates like XSLT that specify a Pattern, then have variables that >collect subordinate data (e.g. data that is along either the child, >descendant, or attribute axes of the node matched by the pattern). When all >of the variables associated with the pattern have collected all relevant >data, fire off some action to do processing with the data. > The idea of collectors and launchers (though slightly different) is exactly what I and some others are thinking of. I will be back with something like the very first proposal draft and it should already address this kind of things. Petr > > >I think dom4j has something like this, but geared more toward processing its >object model rather than just collecting data from raw SAX events. > >I think this could be useful, though. We often hear how XSLT is not the >right solution for everything, but there have been plenty of cases where I >felt that XSLT was about a 90% match for the functionality I wanted -- if >only I could tweak its behavior a bit (and make it work on SAX streams >without collecting data into a DOM or similar object model). > -- Petr Cimprich Ginger Alliance www.gingerall.com
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