Re: This could be simple, but not for me!
2004-05-25 06:12:11
Thanks, Andrew
This is very very close to what I need. But the city name has to be there
only once for all names like:
100, Red
City1
Name1
Name10
Name100
...etc
City2
Name4
Name40
...
200, Blue
City1
Name2
Name20
...
City2
Name5
...
300, Green
City1
Name3
Name30
Name300
Name3000
...
400, Yellow
City2
Name6
...
Is that possible as well?
/Kenny
Hi,
Though I have been working sometime with XSLT, I am having
trouble with this transformation. Anyone know how to do this?
The XML source is from a database and is really really huge
in size, so performance of the transformation is very critical...
<Root>
<Community>
<City>City1</City>
<A>
<B>
<Name>Name1</Name>
<Info>
<Detail no="100">Red</Detail>
</Info>
</B>
<B>
<Name>Name2</Name>
<Info>
<Detail no="200">Blue</Detail>
</Info>
</B>
<B>
<Name>Name3</Name>
<Info>
<Detail no="300">Green</Detail>
</Info>
</B>
</A>
</Community>
<Community>
<City>City2</City>
<A>
<B>
<Name>Name4</Name>
<Info>
<Detail no="100">Red</Detail>
</Info>
</B>
<B>
<Name>Name5</Name>
<Info>
<Detail no="200">Blue</Detail>
</Info>
</B>
<B>
<Name>Name6</Name>
<Info>
<Detail no="400">Yellow</Detail>
</Info>
</B>
</A>
</Community>
</Root>
This is the result I need to produce:
100, Red
City1
Name1
City2
Name4
200, Blue
City1
Name2
City2
Name5
300, Green
City1
Name3
400, Yellow
City2
Name6
Heres a stylesheet that will do it. It's a grouping problem, you just
need to group <Detail> elements by their id attibute and text content,
then apply templates to only the first one in the group. Check out
jeni's site for more on grouping http://www.jenitennison.com
(I've html like tags in the output rather than whitespace so my IDE can
tidy it for me :) You may want to replace the ancestor:: use with
another key to help performance)
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:key name="details" match="Detail" use="concat(@no,'/',.)"/>
<xsl:template match="/">
<root>
<xsl:apply-templates select="//Detail[generate-id() =
generate-id(key('details',concat(@no,'/',.))[1])]"/>
</root>
</xsl:template>
<xsl:template match="Detail">
<div detail="{concat(@no,', ',.)}">
<xsl:for-each select="key('details',concat(@no,'/',.))">
<span>
<xsl:value-of select="ancestor::Community/City"/>,<xsl:text/>
<xsl:value-of select="parent::Info/preceding-sibling::Name"/>
</span>
</xsl:for-each>
</div>
</xsl:template>
</xsl:stylesheet>
cheers
andrew
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