Parameter value from an input port

  Hi,

  I am struggling with a simple problem, related to passing a
parameter to a step.  Let's assume I have the following step
declaration:

    <p:declare-step type="my:step">
       <p:input port="input"/>
       <my:other>
          <p:input port="source">
             ...
          </p:input>
          <p:with-param name="p" select="..."/>
       </my:other>
    </p:declare-step>

  The step has an input port, and calls another step, setting its
source port, and passing the parameter p.  The value of p must be
the value of a sub-element of the input port.  Let's say the
input port is bound to a document like:

    <doc>
       <foo>abc</foo>
       <bar>xyz</bar>
    </doc>

and I want to pass the value of doc/foo as the value of the
parameter p (in pseudo notation, if the port was bound to a
variable, something like select="$input/doc/foo").

  I am sure this is a simple problem, and yet I cannot find an
answer.  Any idea?

  Regards,

-- 
Florent Georges
http://fgeorges.org/

Received on Wednesday, 8 September 2010 23:32:28 UTC