Again with a key to the root1/item elements:
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0" >
<xsl:output method="text" />
<xsl:key name="idlist" match="item" use="@id" />
<xsl:variable name="data" select="document('root1.xml')"
as="document-node(element(root1))" />
<xsl:template match="/">
<xsl:apply-templates select="root2/data" />
</xsl:template>
<xsl:template match="data">
<xsl:value-of select="@id"/>
<xsl:text>=</xsl:text>
<xsl:value-of select="key('idlist', @id, $data)/@value"/>
<xsl:text>
</xsl:text>
</xsl:template>
</xsl:stylesheet>
On 16.09.2010 23:28, Shashank Jain wrote:
Thanks Gerrit for the new solution.
Yea I messed the xsl:key declaration. Thanks for pointing out.
Now there is slight change, earlier I was printing values only of those ID's
which were in root1.xml.
But now I want to look for the values of for root 2.xml after comparing their
id's from root1.xml.
For better understanding I am giving my i/p xml's again.
===================Root1.xml========================
<root1>
<item id="1" value="A"/>
<item id="2" value="B"/>
<item id="3" value="C"/>
<item id="4" value="D"/>
<item id="5" value="E"/>
<item id="6" value="F"/>
<item id="7" value="G"/>
<item id="8" value="H"/>
<item id="9" value="I"/>
<item id="10" value="J"/>
</root1>
===================Root2.xml========================
<root2>
<data id="2"/>
<data id="2"/>
<data id="3"/>
<data id="1"/>
<data id="5"/>
<data id="5"/>
<data id="7"/>
<data id="8"/>
<data id="4"/>
<data id="1"/>
<data id="1"/>
<data id="2"/>
</root2>
==================Output==================
2=B
2=B
3=C
1=A
5=E
5=E
7=G
8=H
4=D
1=A
1=A
2=B
================XSLT======================
<xsl:key name="idlist" match="root2/data" use="@id"/>
<xsl:variable name="data" select="document('Root1.xml')"
as="document-node(element(root1))"/>
<xsl:template match="/">
<wrapper>
<xsl:apply-templates select="root2/data"/>
</wrapper>
</xsl:template>
<xsl:template match="data">
<out>
<xsl:if test="$data/root1/item[(_at_)id=current()/@id]">
<xsl:value-of select="@id"/>
<xsl:text>=</xsl:text>
<xsl:value-of
select="$data/root1/item[(_at_)id=current()/@id]/@value"/>
<br/>
</xsl:if>
</out>
</xsl:template>
I am able to get the desired output by using above code but it lacks efficiency.
How to use the key function to get the desired output.
Shashank
----------------------------------------
Date: Thu, 16 Sep 2010 21:37:22 +0200
From: gerrit(_dot_)imsieke(_at_)le-tex(_dot_)de
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] Selecting the value from diff i/p XML
On 16.09.2010 16:20, Shashank Jain wrote:
Thanks Gerrit, Hermann, Bauman and Mukul for helping me out.
The 3 argument Key function is really cool, but for some reason I am not
getting any output with that.
I am trying to run that in the latest version of XML Spy and also tried using
Saxon9he processor.
Maybe you specified version="1.0" instead of 2.0 in the xsl:stylesheet
element, or you didn't use the modified xsl:key declaration (indexing
both item and data elements)?
Mukul, I think you missed that I want to apply my XSLT on Root2.xml.
but thanks for your help :-)
If you really need to process root2.xml and need keys for performance,
you may like this one:
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
version="2.0">
method="xml"
indent="yes"
/>
name="idlist"
match="item"
use="@id"
/>
name="data"
select="document('Root1.xml')"
as="document-node(element(root1))"
/>
select="$data/root1"
mode="lookup-r1-values">
-Gerrit
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