Hi,
Please see this stylesheet.
<?xml version='1.0' encoding='UTF-8'?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>
<xsl:output method="xml"/>
<xsl:key name="prd" match="product" use="@pr_id"/>
<xsl:template match="/shop">
<xsl:variable name="goods" select="document('registry.xml')"/>
<grouping>
<xsl:for-each-group select="product" group-by="@pr_id">
<xsl:sort select="$goods/registry/goods[(_at_)id=current()/@pr_id]/@name"/>
<group>
<xsl:copy-of select="key('prd', current-grouping-key())"/>
</group>
</xsl:for-each-group>
</grouping>
</xsl:template>
</xsl:stylesheet>
cheers,
prakash
Xasima Xirohata
<xasima(_at_)gmail(_dot_)co To:
xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
m> cc: (bcc:
omprakash.v/Polaris)
Subject: [xsl] Grouping-by
appropriate values from external document.
10/21/2005 04:14
PM
Please respond
to xsl-list
My question could be expressed shorty as the following.
How to make correct the idea that marked in this XSLT 2.0 wrong expression:
<xsl:for-each-group select="/shop/product"
group-by="document('registry.xml')//goods[(_at_)id=current()/pr_id]/@name"/>
----------
Extended discription:
I have a registry looks like
<registry>
<goods id="g123" name="Sweet Cake">
<goods id="g124" name="Big Cake">
<goods id="g125" name="Royal">
</registry>
Incoming XML documents looks like
<shop>
<product pr_id="g123">
<!--smth additional like package, container number,
count-->
</product>
<product pr_id="g124"> <!-the same--></product>
</registry>
I'd like to group "product" by the name of this product (goods) in
registry base, and sort them it that order.
For Example:
<grouping>
<group name="Big Cake">
<product pr_id="g124"></product>
<!-- all product with this pr_id -->
</group>
<group name="Sweet Cake">
<product pr_id="g123"></product>
<!-- blah-blah -->
</group>
</grouping>
Draw attention, that the ordering of "group" is the string ordering of
goods name in registry (B - first) .
By the way, I seem not be agreed with the exploring registry first
(apply-template select="document('registry.xml')//product" + sort
select="name") and populate appropriate product in in.xml. The
registry may be much more greater than in.xml.
Well, I tried the following code, but caught the failure
<xsl:for-each-group select="/shop/product"
group-by="document('registry.xml')//goods[(_at_)id=current()/pr_id]/@name">
</xsl:for-each-group>
Would you be so kind to prompt to solution?
Thanks in advance.
--
Regards,
~ Xasima Xirohata ~
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