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RE: [xsl] Debug/QC Stylesheets

2008-06-04 08:38:25
Try something like this:

<xsl:template match="*">
  <xsl:for-each-group group-adjacent="if (*) then position() else
node-name()">
    <xsl:choose>
      <xsl:when test="current-grouping-key() instance of xs:integer">
        <xsl:value-of select="name()"/>
        <xsl:apply-templates/>
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="count(current-group()), concat(name(),
's'[count(current-group()) ne 1])"/>
      </xsl:otherwise.
    </xsl:choose>

(plus some formatting of course).

The basic idea is to print the names of all the non-leaf elements, and a
summary for a consecutive group of leaf elements with the same name.

Michael Kay
http://www.saxonica.com/


-----Original Message-----
From: Nic Gibson [mailto:nicg(_at_)corbas(_dot_)net] 
Sent: 04 June 2008 16:00
To: xsl-list
Subject: [xsl] Debug/QC Stylesheets

Good afternoon

Quick intro: I'm new here, I'm nic, I abuse and manipulate 
data (often in XML) for a living, right now I work for Penguin Books.

I have a debug stylesheet I use to give me a quick overview 
of xml we get in from data converters. Right now, it dumps 
out  an html list containing the large scale structure of the 
xml (it's a DocBook 5
variant) down to chapter level. Below that level it counts 
various elements (paras, blockquotes, sections, etc). Our QC 
people use this script too. This morning, one of them asked 
me if I could update it so that, rather than outputting 
something like:

chapter:
   24 paragraphs
   3 sections
   2 tables

it could output something like:

   3 paragraphs
   1 section
        2 paragraphs
   1 table
   3 paragraphs

That is it would output the fact that the document contains 3 
paras then 1 section (which contains 2 paras) then 1 table 
then 3 more paras.

Initially, I thought 'dead easy' then I had a bit more of a 
think and realised that it probably isn't. Right now, I just 
use something like
count(descendant::para) get my output. Obviously, that no 
longer works. Then, I thought that I could probably use 
following-sibling to get the requested output. Then I 
realised that it's not that simple either.

So, the question. Am I wandering down a path that might be 
easier to traverse using DOM or SAX? If not, can anyone point 
me in the direction of something similar or suggest an 
approach? I have a suspicion that I'm missing something obvious.

cheers

nic
--
Nic Gibson
Director, Corbas Consulting
Editorial and Technical Consultancy
http://www.corbas.co.uk/

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