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XSL String Mapping Problem.

Subject: XSL String Mapping Problem.
From: "Jos van Roosmalen" <jos.v.roosmalen@xxxxxxxxx>
Date: Wed, 10 Dec 2008 11:20:54 +0100
 XSL String Mapping Problem.
Hello,

I am looking for a very nice mapper  "Design Pattern".

I used the XML/XSL snippet below. However the "@key eq ." seems not to work.

If I introduce a variable it works fine:

    <xsl:variable name="var" select="."/>
    <xsl:value-of select="$map[@key eq $var]/@val"/>

Questions:

1. How to get this mapper working without variable?
2. What is the the 'defacto XPath standard' for mapping  a list
hardcoded keys to hardcoded values?

Thanks, Jos

<demos>
    <demo><keyAttr>key1</keyAttr></demo>
    <demo><keyAttr>key2</keyAttr></demo>
</demos>


<?xml version="1.0" encoding="ISO-8859-1"?>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >
    <xsl:variable name="map" as="element()+">
      <elem key="key1" val="value1"/>
      <elem key="key2" val="value2"/>
      <elem key="key3" val="value3"/>
    </xsl:variable>
<xsl:template match="demos/demo">
    Found key: <xsl:value-of select="."/>
    Corresponding value: <xsl:value-of select="$map[@key eq .]/@val"/>
    <br/>
</xsl:template>
</xsl:stylesheet>

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