Re: Checking node position

"David W. Black" wrote:
> I essentially have an undifferentiated list of elements (old html) that I need to > transform to xml, and the only hooks I have are certain textual consistencies:
> 
> <p>textxtxtxt</p>
> <p>head1</p>
> <p>text_associated_semantically_with_head1</p>
> <p>text_associated_semantically_with_head1</p>
> <p>head2</p>
> 
> etc.
> 
> Thus I want to itentify the position of the <p> with text="head1" (ie. 2), the
> position of <p> with text="head2" (ie.5) so that I can then wrap all <p>s between 2
> and 5 with an element in the result tree.
>
> I can, I suppose, pre-process using generate-id() to ascribe and id attribute to each 
> <p> and then do my transformations.... but I'd really like to ties this up in one
> stylesheet, not two?
> 
> Any ideas, anyone??

David --

I'm not 100% sure what you want to do but you did say "any ideas".  I
think this will get you started:

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:key name="parent" match="p"
  use="generate-id(preceding-sibling::p[. = 'head1' or . = 'head2'])" />

<xsl:template match="p[. = 'head1' or . = 'head2']">
  <xsl:element name="{.}">
    <xsl:apply-templates
      select="key('parent', generate-id())[. != 'head1' and . !=
'head2']"
          mode="inner"/>
    </xsl:element>
</xsl:template>

<xsl:template match="p"/>

<xsl:template match="p" mode="inner">
  <sub>
    <xsl:copy-of select="."/>
  </sub>
</xsl:template>

</xsl:stylesheet>

HTH,
Gary


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