Subject: Re: [xsl] Using Key in the middle of Xpath From: "Wendell Piez wapiez@xxxxxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Mon, 19 Jan 2015 18:04:19 -0000 |
Hi, But let's not forget the ordinary case of //aaa/bbb/key('mykey',@ref)/fooval) where the second argument (and not only the implicit third argument) to key() is relative to the evaluation context. Nor is it unheard of to string more than one call to key() in a single path ... Cheers, Wendell On Mon, Jan 19, 2015 at 11:03 AM, Michael Kay mike@xxxxxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > >> >> <xsl:variable name = "foo" select = "//aaa/bbb/key('mykey','myval')/fooval"/> >> where key is : >> >> <xsl:key name = "mykey" select = "ccc/ddd" use = "@id"/> >> > > It doesn't make much sense. The expression has exactly the same result as > >> <xsl:variable name = "foo" select = "key('mykey','myval')/fooval"/> > > There are cases where using key() after "/" would make sense to select the document to be searched, but in this cases all the nodes are in the context document so it makes no difference. > > Michael Kay > Saxonica > -- Wendell Piez | http://www.wendellpiez.com XML | XSLT | electronic publishing Eat Your Vegetables _____oo_________o_o___ooooo____ooooooo_^
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