Re: [xsl] How to concatenate/merge two independent XSLT stylesheets into ONE stylesheet?

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

At 2009-11-04 14:12 +0100, Ben Stover wrote:
> I have two independent XSLT style sheets which work fine when they 
> are executed
> in two steps:
>
> mydoc1.xml-->mysheet1.xsl-->mydoc2.xml-->mysheet2.xsl-->mydoc3.xml
>
> However I would like to avoid the intermediate step (and the 
> creation of mydoc2.xml).
> Is there a way to concatenate the two XSLT stylesheets resp. use the output of
> the first stylesheet templates as input of second stylesheet templates?
>
> Due to other requirements a piping with the well known pipe symbol 
> (|) on the console
> is NOT allowed. The two stylesheets MUST be merged together somehow 
> into ONE physical
> stylesheet file.
>
> How can I do this?

You can use modes and, in XSLT 2.0, temporary trees, though it will 
require you to modify the stylesheets and not use them untouched as 
they exist now.  You don't have to use named modes for both steps ... 
you can use the default unnamed mode for one of the two steps.

The pattern would be along the lines of:

  <xsl:variable name="intermediate">
    <xsl:apply-templates mode="step1"/>
  </xsl:variable>
  <xsl:apply-templates select="$intermediate"/>

or ....

  <xsl:variable name="intermediate">
    <xsl:apply-templates/>
  </xsl:variable>
  <xsl:apply-templates select="$intermediate" mode="step2"/>

... where each stylesheet's template matches are all in the same mode.

Namespace-qualifying your top-level constructs may help too, to avoid 
overriding declarations.

If you have to do this with XSLT 1 then you'll need to use a 
vendor-supported extension to act on the node set of the result tree fragment.

I hope this helps.

. . . . . . . . . . . . . Ken

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