Subject: [xsl] Re: XSL-T to map a D(A)G From: Nigel Whitaker <nigelw@xxxxxxxxxxxx> Date: Tue, 2 Oct 2001 17:28:32 +0100 (BST) |
> Hi all, > > The XML consists of a couple of nodes with links inbetween. The links > are direckted, and one node is the start. Hi Goetz, I had a similar problem, to go from a set of single-level relationships and construct a tree representation. I think the recursive algorithm I used in my stylesheet may be useful for the first part of your problem.... The graphical-SVG part of this is another issue I'll leave to someone else! Here was the input (please ignore the structure inherent in the node names, they are just used to check my results in this example): <relations> <parent name="p"> <child name="p1"/> <child name="p2"/> </parent> <parent name="p1"> <child name="p11"/> <child name="p12"/> <child name="p13"/> </parent> <parent name="p22"> <child name="p221"/> <child name="p222"/> </parent> <parent name="p221"> <child name="p2211"/> </parent> <parent name="p2"> <child name="p21"/> <child name="p22"/> </parent> </relations> To this tree style of output: <node name="p"> <node name="p1"> <node name="p11"/> <node name="p12"/> <node name="p13"/> </node> <node name="p2"> <node name="p21"/> <node name="p22"> <node name="p221"> <node name="p2211"/> </node> <node name="p222"/> </node> </node> </node> This was my stylesheet: <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> <xsl:output method="xml" indent="yes"/> <xsl:template match="/"> <node name="p"> <xsl:apply-templates select="//parent[@name='p']"/> </node> </xsl:template> <xsl:template match="parent"> <xsl:apply-templates select="child"/> </xsl:template> <xsl:template match="child"> <node name="{@name}"> <xsl:apply-templates select="//parent[./@name=current()/@name]"/> </node> </xsl:template> </xsl:stylesheet> Hope this helps, Nigel -- Nigel Whitaker, nigelw@xxxxxxxxxxxx, +44 161 275 6270 Dept of Computer Science, University of Manchester, M13 9PL, UK XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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