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Viewing intermediate results

From: Wendell Piez <wapiez@mulberrytech.com>
Date: Fri, 16 Apr 2010 11:02:04 -0400
To: xproc-dev@w3.org
Message-ID: 20100416110215.GA70516@mail11d.verio-web.com>

I also have a question that bears on debugging, but debugging the 
pipeline not the XProc as such.

As you know, I have multiple passes in XSLT. Say, three:

<p:pipeline xmlns:p="http://www.w3.org/ns/xproc"
   version="1.0" name="triple-play">
     <p:input port="stylesheet">
       <p:document href="transform1.xsl"/>
     <p:input port="stylesheet">
       <p:document href="transform2.xsl"/>
     <p:input port="stylesheet">
       <p:document href="transform3.xsl"/>

I am guessing if I made this into p:declare-step, I could have ports 
to show me the intermediate results after each transformation.

But I don't always want to see them, only sometimes.

Currently I have achieved this using three different XProc instances, 
each importing the previous in a cascade, so if I want to see 
intermediate results, I run the appropriate XProc. But this is 
suboptimal for several reasons.

I have a couple of ideas for things to try, but maybe I'm better off 
just asking what the best methods are?

In effect I'd like to implement a "production" and a "debugging" 
mode, with options to show me any or all the intermediate results in 
addition to or instead of the final result.

Gratefully as always,

Wendell Piez                            mailto:wapiez@mulberrytech.com
Mulberry Technologies, Inc.                http://www.mulberrytech.com
17 West Jefferson Street                    Direct Phone: 301/315-9635
Suite 207                                          Phone: 301/315-9631
Rockville, MD  20850                                 Fax: 301/315-8285
   Mulberry Technologies: A Consultancy Specializing in SGML and XML
Received on Friday, 16 April 2010 15:02:43 UTC

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