[xsl] Addressing siblings

[<David.McKay@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

--- XSL Processor Details

Vendor: SAXON 6.5.3 from Michael Kay
Vendor URL: http://saxon.sf.net/

---

Say I have some (grossly simplified, politically incorrect, and exclusive of
alternate lifestyles) XML which looks something like this:


<?xml version="1.0" encoding="UTF-8"?>
<People>
   <Man name="Bob" wife="Alice" birth="1960-08-15"/>
   <Woman name="Alice" birth="1955-10-26"/>
</People>


To cut a long story short, I have an xsl template which scopes Woman, and I
want to set a variable to be that Woman's husband (ie the Man for whom the
Woman is the wife). I've come up with the following method:


<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="1.0">
   <xsl:output method="text" indent="no" encoding="UTF-8"/>

   <xsl:template match="/">
      <xsl:apply-templates/>
   </xsl:template>

   <!-- various processing -->

   <xsl:template match="Man" mode="husband">
      <xsl:value-of select="@name"/>
   </xsl:template>

   <xsl:template match="Woman" mode=>
      <xsl:variable name="me" select="@name"/>
      <xsl:variable name="husband">
         <xsl:apply-templates mode="husband" select="../*[@wife=$me]"/>
      </xsl:variable>

      <!-- do something with $husband -->
   </xsl:template>
</xsl:stylesheet>


Is there a more compact way (especially since I would want to access the birth
attribute too)? I thought something along the lines of the following might
work, but I couldn't figure out how.


<xsl:variable name="husband-birthday" select="../*[@wife=./@name]/@birth"/>


Thanks.

Dave McKay



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