Subject: Re: [xsl] display parts of XML tree with xsl:copy ? From: Robert Sösemann <robert.soesemann@xxxxxx> Date: Fri, 1 Mar 2002 12:34:47 +0100 |
> You must have some way of indicating the nodes that you want to pull > out from the source document - how do you intend, or want, to do that? > Do you want a general stylesheet that you import into a more specific > stylesheet that selects the nodes you want to retain? How does the > stylesheet that you want help with fit into the bigger picture of what > you're doing? This will be done by an XML-formated query in the form of: <query> <boolean op="and"> <boolean op="or"> <term value="Donald Knuth" field="dc:creator" relation="eq"/> <term value="Algorithms" field="dc:title" relation="eq" truncation="both"/> </boolean> <term value="2000-02-01" field="dc:date" relation="geq" refinement="dc:available" encoding="dc:W3CDTF"/> </boolean> </query> > > Finally, there's the question of what you want from the result. You > want the selected nodes, obviously; I think that you want their > ancestors as well; and it seems like you want certain other nodes in > addition. How can you tell which nodes you want and which you don't? > In the example you gave, what's special about the volume and number > elements? Is it that they're children of an ancestor *and* don't have > child elements themselves? In the general case, what are the > characteristics of the nodes that you want to copy as opposed to those > that you want to ignore? As I use standard namespace domains like Dublin Core an the Source doc might not have element/attribs of that ns, I also provide an XML-formated source description which a: maps those standardized dc: stuff into the doc's own names. This descriptor doc will also hold information on the supertree that should be inserted to the query result when a certain element is part of a condition. In the <SigmodRecord> example this would be something like that: article <-- title article <-- authors/author issue <-- volume ... This means if ask for a title an author I want the output still be part of the inputs dtd (root still SigmoRecord) but I only want to see the branch that lead to the article thats fullfils the query. As I can never be sure that there is not valuable info in the supertree the only thing I sure want to get rid is other brother <article>'s, that don't fullfil the query. I think this should work in general. What do you think. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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