In XSLT1 it works good. It is joining all values but I have problems now with
split and find unique values.
This is my function. $seen variable should contain all processed values to find
unique:
<xsl:template name="Split">
<xsl:param name="strInput"/>
<xsl:param name="strDelimiter" select="'-'"/>
<xsl:param name="processed"/>
<xsl:variable name="strNextItem"
select="substring-before($strInput,$strDelimiter)"/>
<xsl:variable name="strOutput"
select="substring-after($strInput,$strDelimiter)"/>
<xsl:variable name="seen" select="concat($strNextItem,'-',$processed)"/>
<xsl:choose>
<xsl:when test='contains($strInput,$strDelimiter) and
(not(contains($strNextItem,$seen)))'>
<xsl:element name='OPTION'>
<xsl:value-of select="$strNextItem"/>
</xsl:element>
<xsl:call-template name="Split">
<xsl:with-param name="strInput" select="$strOutput"/>
<xsl:with-param name="strDelimiter" select="$strDelimiter"/>
<xsl:with-param name="processed" select="$seen"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:if test="not(contains($strInput,$seen))">
<xsl:element name='OPTION'>
<xsl:value-of select="$strInput"/>
</xsl:element>
</xsl:if>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
---------- Initial Header -----------
From : "David Carlisle" davidc(_at_)nag(_dot_)co(_dot_)uk
To : xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Cc :
Date : Thu, 7 Dec 2006 14:42:01 GMT
Subject : Re: [xsl] Split and Found unique values
your posted input doesn't match your code, <target:row is in a target
namespace but
match='xml/target' use=
woul match an element target in no namespace.
I don't think you want to do this:
<xsl:for-each select='$Rowset[generate-id() =
generate-id(key("Category", @Category))]'>
as that handles each complete category separately, you want to stick
them all togeter first and then split/sort. so
so something like
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; xmlns:t="t" >
<xsl:output indent="yes"/>
<xsl:key name='Category' match='t:row' use='@Category'/>
<xsl:variable name='seen' select="''"/>
<xsl:template match="x">
<select name="x" multiple="multiple">
<xsl:call-template name="Split">
<xsl:with-param name="strInput">
<xsl:for-each select="t:row/@Category">
<xsl:value-of select="."/>
<xsl:if test="position()!=last()">-</xsl:if>
</xsl:for-each>
</xsl:with-param>
</xsl:call-template>
</select>
</xsl:template>
if x is the parent of your target:row elements.
In XSLT2 it's just
<x xmlns:target="t">
<target:row Category='A-B-C-D'/>
<target:row Category='A-B'/>
<target:row Category='A-C-D'/>
<target:row Category='C'/>
<target:row Category='B-C-D'/>
<target:row Category='A-t'/>
</x>
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; xmlns:target="t" >
<xsl:output indent="yes"/>
<xsl:template match="x">
<xsl:for-each select="distinct-values(target:row/tokenize(@Category,'-'))">
<option><xsl:value-of select="."/></option>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
$ saxon8 spl.xml spl.xsl
<?xml version="1.0" encoding="UTF-8"?>
<option xmlns:target="t">A</option>
<option xmlns:target="t">B</option>
<option xmlns:target="t">C</option>
<option xmlns:target="t">D</option>
<option xmlns:target="t">t</option>
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