RE: [xsl] XSL Template Match using z:row attributes

Hi Michael,

with this small change works as you expected.

<xsl:apply-templates select="../z:row[(@LEVEL=current()/@LEVEL + 1) and
(@PARENTID=current()/@CATID) and not(current()=preceding-sibling::*)]"/>

Ivan Pedruzzi
eXcelon Corporation
http://www.stylusstudio.com



> -----Original Message-----
> From: owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx 
> [mailto:owner-xsl-list@xxxxxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Michael McCarty
> Sent: Wednesday, December 12, 2001 11:22 PM
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject: RE: [xsl] XSL Template Match using z:row attributes
> 
> 
> Ok, you might need to ignore my previous reply.  I've been 
> playing with the XSL and (with the help of that Xselerator 
> tool) I think I understand better, but not completly.
> 
> My problem is that I'm getting duplicate output.  The XML 
> (trimmed) is:
> 
> <?xml-stylesheet type="text/xsl" href="CategoryTree2.xsl" ?> 
> <xml xmlns:rs='urn:schemas-microsoft-com:rowset'
> 	 xmlns:z='#RowsetSchema'>
> <rs:data>
> 	<z:row LEVEL='1' CATNAME='Level 1' CATID='1' PARENTID='0' />
> 	<z:row LEVEL='2' CATNAME='Level 2' CATID='3' PARENTID='1' />
> 	<z:row LEVEL='2' CATNAME='Level 2' CATID='4' PARENTID='1' />
> 	<z:row LEVEL='3' CATNAME='Level 3' CATID='5' PARENTID='4' />
> 	<z:row LEVEL='3' CATNAME='Level 3' CATID='6' PARENTID='4' />
> 	<z:row LEVEL='1' CATNAME='Level 1' CATID='21' PARENTID='0' />
> 	<z:row LEVEL='2' CATNAME='Level 2' CATID='22' 
> PARENTID='21' /> </rs:data> </xml>
> 
> The XSL is:
> 
> <?xml version='1.0'?>
> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
> 		xmlns:rs='urn:schemas-microsoft-com:rowset'
> 		xmlns:z='#RowsetSchema'	version="1.0">
> 
> <xsl:template match="/">
> 	<HTML>
> 	<BODY topmargin="0" leftmargin="0">
> 	<xsl:apply-templates select="/xml/rs:data"/>
> 	</BODY>
> 	</HTML>
> </xsl:template>
> 
> <xsl:template match="z:row">
> <div class="clsItem">
> 	CatId_<xsl:value-of select="@CATID"/> - 
> 	<b><xsl:value-of select="@CATNAME"/></b> - 
> 	Parent_<xsl:value-of select="@PARENTID"/>
>   <div id="container">
> 	<xsl:apply-templates select="../z:row[(@LEVEL=current()/@LEVEL
> + 1) and (@PARENTID=current()/@CATID)]"/>
>   </div>
> </div>
> </xsl:template>
> </xsl:stylesheet> 
> 
> Here's what I get:
> 
> CatId_1 - Level 1 - Parent_0
> CatId_3 - Level 2 - Parent_1
> CatId_4 - Level 2 - Parent_1
> CatId_5 - Level 3 - Parent_4
> CatId_6 - Level 3 - Parent_4
> CatId_3 - Level 2 - Parent_1   <!-- duplicate -->
> CatId_4 - Level 2 - Parent_1   <!-- duplicate -->
> CatId_5 - Level 3 - Parent_4   <!-- duplicate -->
> CatId_6 - Level 3 - Parent_4   <!-- duplicate -->
> CatId_5 - Level 3 - Parent_4   <!-- duplicate -->
> CatId_6 - Level 3 - Parent_4   <!-- duplicate -->
> CatId_21 - Level 1 - Parent_0
> CatId_22 - Level 2 - Parent_21
> CatId_22 - Level 2 - Parent_21   <!-- duplicate -->
> 
> I think I'm going crazy learning this... =:-)
> As always, your help is greatly appreciated.
> 
> Michael =:-)
> 
> ---- TSchutzerWeissmann@xxxxxxxxxxxxxxxx wrote:
> > Michael wrote:
> > 
> > >What I am getting is this:
> > >
> > >+ Product 1
> > >+ Product 2 
> > >
> > >It appears that I get the LEVEL='1', but not the 
> remaining.  I wonder 
> > >if there's a way around 'hard coding' the LEVEL's in case 
> I have more 
> > >than 4 or 5..??  I know it would be easier if my XML was is a 
> > >different format, but I'm forced to use the MS ADO export format.  
> > >Thank you,
> > in
> > >advance, for your help.
> > 
> > Hi Michael,
> > 
> > the problem here is something like this: your input isn't 
> nested, and 
> > you want to nest it according to a LEVEL attribute.
> > There are three problems with your approach.
> > 
> > 1. You're doing the same thing in 5 different templates. 
> Try recursion 
> > instead, then you don't need to worry about how many levels 
> you have.
> > 
> > 
> > 2. The location paths in your <xsl:apply-templates>.
> >  You use paths fine when you select attributes, so I assume you're 
> > using the full path (xml/rs:data/z:row) here because you 
> want to get 
> > up out of your
> > current context (a qualified z:row).
> > To make your paths work, either use /xml/rs:data/z:row - 
> the "/" will
> > get
> > you back to the document node, or use ../z:row[@LEVEL=2]- 
> in longhand
> > that's
> > parent::node()/z:row[@LEVEL=2]. It's just like file directories.
> > 
> > BUT: it still won't work...
> > 3. Matching children with parents.
> > To get the nesting right you have to put the right children 
> with the 
> > right parents. In your input you have CATEGORYID and 
> PARENTCATEGORYID. 
> > A revised
> > path, still using your approach would be
> > 	"../z:row[(@LEVEL=2) and (@PARENTCATEGORYID =
> > current()/@CATEGORYID)"
> > or even 
> > 	"../z:row[(@LEVEL=current()/@LEVEL + 1) and (@PARENTCATEGORYID
> > =
> > current()/@CATEGORYID)"
> > You need current() not . because inside a predicate expression . is
> > the node
> > being evaluated, not the node matched by the current template.
> > 
> > Only recurse...
> > Tom S-W
> > 
> >  XSL-List info and archive:  
> http://www.mulberrytech.com/xsl/xsl-list
> > 
> > 
> 
> 
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