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[XSL-LIST Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Change the value of global variables/params ??
<xsl:if test="$last_type != .//ITEMTYPE"> <!-- test variable -->
<!-- update the last_type variable -->
<xsl:variable name="last_type" select=".//ITEMTYPE"/> <!-- change variable -->
<!-- output the new type -->
<H1><xsl:value-of select=".//ITEMTYPE"/></H1>
</xsl:if>
Note that you are using an old version of the namespace, I had to change
to
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
for xt (also some characters seem to have been lost from long lines)
But your problem is not due to the restrictions that were added to
prevent `shadowing' ie redecalring a variable in the same scope.
They are simply one of scope: the scope of a variable binding is the
surrrounding element, so the scope of that setting of last_type ends at
the </xsl:if>
The archives of this list, and the faq, have several examples showing
how you can do grouping in xsl.
Since I got this far I'll include yet another example at the
end. You'll notice it doesn't use variables at all.
David
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="html"/>
<xsl:template match="/">
<HTML>
<BODY>
<!-- initialize our changing variable -->
<xsl:variable name="last_type" select="'none'"
/> <!-- initialize variable -->
<!-- for each item -->
<xsl:for-each select="//ITEMTYPE[not(. = following::ITEMTYPE)]">
<xsl:sort/>
<H1><xsl:value-of select="."/></H1>
<xsl:for-each select="//ITEM[INFO/INFOTYPE/ITEMTYPE=current()]">
<xsl:sort select="NAME"/>
<P><xsl:value-of select="NAME"/></P>
</xsl:for-each>
</xsl:for-each>
</BODY>
</HTML>
</xsl:template>
</xsl:stylesheet>
bash-2.01$ xt pl.xml pl.xsl
<HTML>
<BODY>
<H1>TYPE1</H1>
<P>Name1</P>
<P>Name2</P>
<H1>TYPE2</H1>
<P>Name3</P>
<P>Name4</P>
</BODY>
</HTML>
bash-2.01$
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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