Re: [xsl] Are there things missing in XSLT which force people to use, sa

Roger,

I was just thinking that the current XSLT standard lacks interactivity, 
and was about to suggest an element xsl:prompt for further revisions of 
the standard.
Scenario: A stylesheet that converts a .docx (or OpenOffice, or IDML, 
...) file to XHTML and discovers ordinary paragraphs that look like 
headings: all large font and boldface. A person should be able to 
interactively correct the markup. The stylesheet should be able to 
prompt this person:
<xsl:template match="para[my:looks-like-heading(.)]" 
mode="correct-structure">
  <xsl:prompt bind-variable="user-choice" as="xs:string">
    Found heading candidate: <xsl:value-of select="." />
I suggest that I convert it to a heading. What should I do? [k]eep as 
is, make it h[1], h[2], h[3], h[4], h[5], h[6], put it in custom markup 
(specify as 'element(_at_)attribute=value', e.g., p(_at_)class=check-later)
  </xsl:prompt>
  <xsl:choose>
    <xsl:when test="$user-choice eq 'k'>
      <xsl:copy-of select="." />
    <xsl/when>
    <xsl:when test="matches($user-choice, '[1-6]')">
      <xsl:element name="h{$user-choice}">
        <xsl:apply-template mode="#current" />
      </xsl:element>
    </xsl:when>
    <xsl:when test="matches($user-choice, 
'^([-_:\w]+)(@([-_:\w])=(.*))?$')">
      <xsl:analyze-string ....>
       ...
      /
    </xsl:when>
    <xsl:otherwise>
      <xsl:copy-of select="." />
    <xsl/otherwise>
  </xsl:choose>
</xsl:template>

I think you can somehow make XSLT interactive in a Java application that 
invokes an XSLT processor. For example, oXygen is a Java application 
that acts as an XSLT debugger, allowing breakpoints, among other things. 
If you can manipulate variables at a breakpoint (not sure whether oXygen 
permits this), then you have a facility such as xsl:prompt in a combined 
Java/XSLT application.
The lack of xsl:prompt did'nt make me develop custom Java applications 
around my XSLT, but from time to time I wish there were such interactive 
facilities in pure XSLT.
-Gerrit


On 29.10.2010 14:28, Costello, Roger L. wrote:
> Hi Folks,
>
> Many developers use Java to process XML documents.
>
> Why?
>
> Are there things missing in XSLT which force them to use Java? What things?
>
>
> /Roger
>
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