Re: Identifier attribute (was: Re: Creating Hie

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Subject: Re: Identifier attribute (was: Re: Creating Hierarchy)
From: "Rowan Sylvester-Bradley" <rowan@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 20 Oct 2008 14:04:47 +0100

Thanks for all your comments. The XML file I need to create was designed by someone else and is interpreted by code which don't have access to. It has attributes with the name "id" and increasing integer values, so this is what I have to generate. I guess these don't use the id semantics. Using <xsl:number/> as suggested by Ken works fine in this particular case, and is very much easier than what I was trying to find a way of doing, which was rather than using the sequence number of the nodes in the input file, to work out how many nodes had been generated in the output file.

If there was no direct correspondence between the number of elements in the input file and the number in the output file (as may become the case with some enhancements that I'm planning), how would I calculate a value of this sort (let's call it a sequence value rather than an id to avoid the confusion)? E.g. if my output file needs to look something like the following, where all the a, b, c and d elements need to have an "id" (sequence) attribute with a steadily incrementing value through the file. There can be all sorts of other nodes (e and f in the example) at various levels in the tree which do not need id/sequence attributes. In this particular system the a elements can be nested to any depth, but there can be only one level of b, c and d elements within each sub-tree, but that's just the way this particular system works.

How would I generate these id/sequence values, either as a second pass, or as part of the first pass which generates this structure from the non-hierarchical source file? <root> <a id="1"> <e/> <c id="4"/> <c id="6"> <d id="7"> <e/> </d> <d id="8"/> </c> <c id="9"> <d id="10"> <e/> <f/> </d> <d id="11"/> </c> </a> <a id="12"> <a id="13"/> <a id="14"> </a> </a> </root>

Thanks - Rowan

Current Thread
Re: Identifier attribute (was: Re: Creating Hierarchy) Rowan Sylvester-Bradley - 20 Oct 2008 21:37:54 -0000 <= Wendell Piez - 20 Oct 2008 22:01:38 -0000 Michael Kay - 20 Oct 2008 22:03:38 -0000

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Re: Copy excluding some child, G. Ken Holman	Thread	Re: Identifier attribute (was, Wendell Piez
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