Subject: [xsl] NMTOKENS and xsl:key From: "Houghton,Andrew" <houghtoa@xxxxxxxx> Date: Sun, 7 Jan 2007 17:58:28 -0500 |
I'm hoping someone on the list might be able to provide some insight in how I might address the following issue. I'm using Saxon 8.8 and XSL 2.0 for developing a transform. The source document looks something like: <document> <section> <item target="abc def ghi"/> <item target="foo bar"/> <item target="abc bar"/> <item target="def foo"/> </section> <section> <item target="abc"/> <item target="foo"/> <item target="ghi bar"/> </section> </document> The <section> and <item> elements are repeatable and the target attribute is an NMTOKEN list. Since the source document is quite large, I was hoping to use xsl:key to index each token value in the item's target attribute so I could query for all the items that might contain a particular token value, e.g., "foo". However, looking at xsl:key it seems to me that it will only index the entire NMTOKEN list as a single value. What I'm trying to accomplish when I query for the token value "foo", is that I want xsl:key to return the following node list: /document/section[1]/item[2] /document/section[1]/item[4] /document/section[2]/item[2] correspondingly if I query for "abc" I want xsl:key to be able to return the following node list: /document/section[1]/item[1] /document/section[1]/item[3] /document/section[2]/item[1] does anybody know of anyway I can get xsl:key to index each token in the NMTOKEN list for the target attribute? I realize I could write an XPath expression, but continually iterating over a large document looking for different token values would be extremely slow which is one of the main reason why I was looking at using xsl:key. Can you think of any alternate solutions to the problem. BTW, the tokens in the list are *not* known in advance to the transform. Thanks, Andy.
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