I know how to branch with a <p:choose> in XPL, but how to loop?
For example, I have a pipeline that receives the following input:
<ActionList>
<Action docid="00001">approve</Action>
<Action docid="00002">reject</Action>
<Action docid="00078">return</Action>
</ActionList>
In my pipeline, I would like to be able to process this input document by
looping over <Action> elements, for example:
<p:for-each select="Action">
Right now, the only way we can think to accomplish this is to use XSLT to do
loop unrolling. In other words, pass the <ActionList> document to an XSLT,
unroll the loop by calling <xsl:for-each select="Action"> and dynamically
constructing the appropriate XPL code to handle each <Action>, and then
taking the XSLT output (which is a newly constructed pipeline) and feeding
that to a <p:processor uri="oxf/processor/pipeline">.
This seems very cumbersome and verbose -- is there a facility or better
practice for looping in XPL?
Thanks.
-Scott
http://cde.berkeley.edu/
UC Berkeley Center for Document Engineering
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