Re: manipulating whole XML documents as text
At 11:01 AM -0500 3/19/02, Simon St.Laurent wrote: >Maybe Ted Nelson was right about out-of-line markup having advantages. Of course he was. There are also disadvantages, to do with the increased complexity of editing models for such representations. You have to either update the offsets as the underlying text changes, or create a text model that does that for you. Maintaining link integrity was the reason for much of the work that Xanadu did tracking text across versions. It's possible, but the tradeoff is the need to create an efficient way to update the offsets. Plus, well-formedness becomes trickier because the representation accommodates non-hierarchical structures as well as hierarchical ones -- good if you need or want that flexibility, bad if you don't. > >Does anyone know of an XML implementation which provides read/write >access to the contents of elements in the document as text, and makes >changes to that text - including the insertion of new elements - to the >elements underlying it? > I'm not clear about the solution that you're looking for, though. Are you asking for an interface that can do an operation like: Element.insertTexttext("this is a <emph>subelement</emph> embedded in text", location); and the result will create a modified element tree with a new element node? I'd be surprised if you find one, because that's a rather "non-node" way of looking at things. > Anything crossing element >boundaries will be difficult, but hopefully not insurmountable. This last point puzzles me, because I'm not sure how such an interface could "cross" boundaries. -- David -- ------------------------------- David Durand | 12 Bassett St. david.durand@i... | Providence RI, 02903-4628 USA VP, Software Architecture | 401-331-2014 x111 Cell: 401-935-5317 ingenta plc | FAX: 401-331-2015 http://www.dynamicDiagrams.com/ http://www.ingenta.com/
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