Re: [xsl] StreamBurner to preview Atom and RSS

Liam.

You tought me fundamental techniques of XSLT which significantly
improved my work.

I think that, this solution could not work; yet, I might be wrong.

On Sat, 7 Mar 2026 00:10:48 -0000
"Liam R. E. Quin liam@xxxxxxxxxxxxxxxx"
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

> On Fri, 6 Mar 2026 12:15:08 -0000
> "Schimon Jehudah sch@xxxxxxxxxxxx"
> <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> 
> 
> > Is it valid or possible to allocate XPath directives as variables
> > and apply the variables as XPath directives, similarly to "eval"?
> > 
> > <xsl:variable name="feed-subtitle"  
> >               select="'atom:subtitle'"/>    
> > 
> > <xsl:variable name="entry-iterate"  
> >               select="'atom:entry'">  
> 
> No, but you can have,
> 
> <xsl:template match="atom:subtitle">
>   <xsl:value-of select="." />
> </xsl:template>
> 
> and call it by name or implicitly with apply-templates.
> 

How so?

The process which I realize, is to query for required data (textual
content or nodes); and then to pass them to create a document.

That process is conducted to several documents (Atom, FOAF, and RSS).

I sent to you two documents.

* streamburner.xslt - the current working stylesheet with code
  repetitions.

* streamburner-test.xslt - the stylesheet which should reduce
  repetition of code.

Herein a short example of the structure of streamburner-test.xslt

  <!-- XMPP PubSub Atomsub 1.0 version. -->
  <xsl:template match="/pubsub:pubsub">
    <xsl:variable name="description"
                  select="'//pubsub:items/@node'"/>
    <xsl:variable name="generator"
                  select="'StreamBurner XSLT Edition'"/>
    <xsl:variable name="mimetype"
                  select="'application/pubsub+xml'"/>
    <xsl:variable name="feed-title"
                  select="'//pubsub:items/@title'"/>
  </xsl:template>

  <!-- The Atom Syndication Format 1.0 version. -->
  <xsl:template match="/atom:feed">
    <xsl:variable name="description"
                  select="'atom:subtitle/text()'"/>
    <xsl:variable name="generator"
                  select="'StreamBurner XSLT Edition'"/>
    <xsl:variable name="mimetype"
                  select="'application/atom+xml'"/>
    <xsl:variable name="feed-title"
                  select="'atom:title/text()'"/>
  </xsl:template>

  <!-- Template to compile and XHTML document. -->
  <xsl:template name="compile-xhtml">
    <xsl:param name="description"/>
    <xsl:param name="generator"/>
    <xsl:param name="mimetype"/>
    <xsl:param name="feed-title"/>
    <html>
      <!-- Code to compile an XHTML document -->
    </html>
  </xsl:template>

Please. Do correct me if I am wrong.

> In xslt 3 and 4 you can be more clever.
> 

After I realize a solution with XSLT 1.0, I will explore to realize the
same with XSLT 3 and 4.

Thank you,
Schimon

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