You need to show us your XML source structure.

Michael Kay
http://www.saxonica.com/ 

> -----Original Message-----
> From: Sanjukta Mitra [mailto:sanmit27@xxxxxxxxx] 
> Sent: 03 February 2005 21:44
> To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
> Subject:  New to XSLT: problem with Xpath & traversing 
> ancestor axis
> 
> Hi,
> 
> I am fairly new to XSLT and am having trouble figuring
> out the XPath related to traversing the ancestor
> axis.Can anyone help me out with this?
> 
> Thanks
> Sanjukta
> 
> (The source document is a binomial XML decisiontree,
> where each question has two answers and each answer
> can lead to further questions or terminal nodes.) 
> 
> I am trying to accomplish the following steps:
> 
> 1.traverse the ancestor axis from the current node and
> select the first question node whose parent is an
> answer node with attribute  @ans='yes'.Storing this
> question node in parameter stop_question.
> 
> 2.Defining the param Cnt that counts the number of
> decisiontree_answer{ with attribute @ans='no'}nodes
> preceding the current node and following the
> stop_question node. I want the counting of answer
> nodes to stop once the stop question is reached.
> 
> 3.Applying a template to the decisiontree_answer node
> with attribute @ans='no' that is the immediate child
> of the stop_question node
> 
> Here goes the code:
> 
> <xsl:template match="enumerated_type_ptr">
> 
> <xsl:param name="stop_question"
> select="ancestor::decisiontree_question[../decisiontree_answer
> [@ans='yes']][1]"/>
> 
> <xsl:param name="Cnt"
> select="count(ancestor::decisiontree_answer[@answer='no'][coun
> t(ancestor::decisiontree_question[.=$stop_question]
> &gt;0])"/>
> 
> 
> <xsl:apply-templates
> select="./ancestor::decisiontree_question[../decisiontree_answ
> er[@answer='yes']][1]/decisiontree_answer[@answer='no']"
> mode="No_Ptr">
> 
> <xsl:with-param name="X1"
> select="($XT)-80-($Cnt)*140"/>
> <xsl:with-param name="Y1" select="($YT)-78"/>
> </apply-templates>
> 
> </template>
>        
> 
> 
> 		
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