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Re: Xslt transform & grouping, Using the Muenchian Me
Subject: Re: Xslt transform & grouping, Using the Muenchian Method?
From: "M. David Peterson" <m.david@xxxxxxxxxx>
Date: Sun, 10 Oct 2004 11:27:20 -0700
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I'm not sure if using keys is necessary as it seems they are already grouped
using the document order and hierarchy. Either way, to ensure that they are
processed numerically if and only if the @filter attribute equals food or has no
value and then further more only include Article elements within each Document
structure that contain the @filter equal to food then your problem is pretty
simple...
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:template match="/">
<xsl:apply-templates select="Documents/Document[@filter = 'food' or @filter =
'']">
<xsl:sort select="@title"/>
</xsl:apply-templates>
</xsl:template>
<xsl:template match="Document">
<xsl:copy>
<xsl:element name="local-name()">
<xsl:copy-of select="@* | Article[@filter = 'food']"/>
</xsl:element>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
Produces this using your sample XML input:
<Document title="1" chapter="1" href="file1.xml" filter="food">
<Article title="1.1" info="sub" filter="food"/>
<Article title="1.2" info="main" filter="food"/>
</Document>
<Document title="3" chapter="3" href="file2.xml" filter=""/>
If this is not the output you want maybe an example of what you want the output
to look like will help us help you further.
Best of luck!
<M:D/>
row.filter wrote:
Hi,
I would like to group following, by attribute Title, and then filter
by attribute filter="food". Title-attribute exists in both Document
and Article elements.
That is, groups should be created based on attribute Title in Document
element, and filtered by attribute e.g. filter="food".
Currently I am using grouping and filtering in following stylesheet.
All other elements, where filter != "food" should be ignored.
Filter is global parameter.
Thank you!
Some help on the way:
XSL:
<?xml version='1.0' encoding='UTF-8'?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:key name="by-info" match="Article" use="@info"/>
<xsl:param name="filter" select="'food'"/>
<xsl:template match="Documents">
<Documents>
<xsl:for-each select="Document[@filter='' or
@filter=$filter]/Article[generate-id()=generate-id(key('by-info',@info)[@filter=$filter])]">
<Document name="{@info}">
<xsl:copy-of select="key('by-info',@info)[@filter=$filter]"/>
</Document>
</xsl:for-each>
</Documents>
</xsl:template>
</xsl:stylesheet>
XML:
<Documents>
<Document title="1" chapter="1" href="file1.xml" filter="food">
<Article title="1.1" info="sub" filter="food"/>
<Article title="1.2" info="main" filter="food"/>
</Document>
<Document title="2" chapter="2" href="file2.xml" filter="drink">
<Article title="2.1" info="sub" filter="drink"/>
<Article title="2.2" info="main" filter="food"/>
</Document>
<Document title="3" chapter="3" href="file2.xml" filter="">
<Article title="3.1" info="sub" filter="drink"/>
<Article title="3.2" info="child" filter=""/>
</Document>
</Documents>
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