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Re: [xsl] Merging like Siblings within a variable as="element()*"

2010-08-20 10:32:06
Martin,

I'm using XSLT 2.0 but selecting the value out of the group rather
then copying the elements in the group had not occurred to me.

<xsl:value-of select="current-group()" separator=""/>

Don't be astonished, I'm still within my first year of coding XSLT 2.0
and capable of pouring orange juice, rather than milk, in my cereal
unaware ;)

Thanks Much
Alex


On Fri, Aug 20, 2010 at 3:07 PM, Martin Honnen 
<Martin(_dot_)Honnen(_at_)gmx(_dot_)de> wrote:
Alex Muir wrote:

Hi,

I've been using the following code that works based on templates to
merge <chunk> siblings beside one another such that the following

<chunk>1</chunk>
<chunk>2</chunk>
<notChunk>3</notChunk>
<chunk>4</chunk>
<chunk>5</chunk>

would be merged to

<chunk>12</chunk>
<notChunk>3</notChunk>
<chunk>45</chunk>

Here is the code:
<xsl:template match="chunk" priority="1">
   <xsl:copy>
     <xsl:copy-of select="@*"/>
     <xsl:copy-of select="text()"/>
     <xsl:apply-templates
       select="following-sibling::*[1][self::chunk]"
       mode="more"/>
   </xsl:copy>
 </xsl:template>

 <xsl:template match="chunk[preceding-sibling::*[1][self::chunk]]"
priority="2"/>

  <xsl:template match="chunk" mode="more">
   <xsl:copy-of select="text()"/>
   <xsl:apply-templates
      select="following-sibling::*[1][self::chunk]"
     mode="more"/>
 </xsl:template>


This works great if I'm applying the templates to an xml file however
I'm interested to have the chunks within a <xsl:variable
name="content" as="element()*> and then merge them and output them and
I'm not sure how to go about merging the like siblings within a
variable.

Any suggestions are highly appreciated?

The as="element()*" suggests you are using XSLT 2.0, then I am astonished
you are not using xsl:for-each-group group-adjacent from the beginning.
Are you using XSLT 2.0? Can't you use
 <xsl:for-each-group select="$your-variable"
group-adjacent="boolean(self::chunk)">
    <xsl:choose>
      <xsl:when test="current-grouping-key()">
        <chunk><xsl:value-of select="current-group()" separator=""/></chunk>
      </xsl:choose>
      <xsl:otherwise>
        <xsl:copy-of select="current-group()"/>
      </xsl:otherwise>
    </xsl:choose>
 </xsl:for-each-group>

--

       Martin Honnen
       http://msmvps.com/blogs/martin_honnen/

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