Re: [xsl] Connecting the Source and Destination fields

[Christoph Naber <dio2000@xxxxxxx>]

Thank you VERY MUCH for the description! I searched for it in the net,
but didn't get any usefull/understandable results. Then what I have in
mind is just pipelining.

Greetings Christoph

Wendell Piez schrieb:
> At 09:11 AM 8/29/2007, you wrote:
>> This seems to be a use-case for the in another thread mentioned
>> so-called
>> "micro-pipelining". First process the input data to make them fit your
>> needs, then do whatever you want with the cleaned up data.
>
> Actually, "micro-pipelining" is what we call it when you pre-process
> only a chunk of your input in an ad-hoc fashion, in the course of
> transforming the whole of it.
>
> If you process a document and then process it again, even if most of
> the first pass is an identity transformation, that's just pipelining.
>
> The difference can be seen by comparing two instances:
>
> Pipelining:
>
> <xsl:variable name="temp">
>   <xsl:apply-templates mode="first"/>
> </xsl:variable>
>
> <xsl:template match="/">
>   <xsl:apply-templates select="$temp" mode="second"/>
> </xsl:template>
>
> Micro-pipelining:
>
> <xsl:template match="div">
>   <xsl:variable name="temp">
>     <xsl:apply-templates mode="temp"/>
>   </xsl:variable>
>   <xsl:apply-templates select="$temp"/>
> </xsl:template>
>
> In the pipelining example, the entire document is processed in "first"
> mode, and the result is processed again in "second" mode (by the
> template matching the document element). In the micro-pipelining
> example, only the children (and perhaps descendants) of the div are
> processed in "temp" mode, and then the results are processed.
>
> So in the micro-pipelining example, the pipeline is scoped to the div.
>
> This can be useful even at very low levels of the document, and can
> spare you having to run an entire pipeline when most of the document
> doesn't require it.
>
> Cheers,
> Wendell
>
>
>
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