Re: [docbook-apps] Re: html navigation <link> elements

["Bob Stayton" <bobs@sagehill.net>]

Hi Sam,
Well, the user.head.content template is called for each chunk, so that it 
can have different content in each chunk if necessary.  But you could speed 
it up by creating two global variables in your customization to compute the 
values of the attributes just once when the stylesheet loads, and then 
change the attributes to use those values:

Top level:

<xsl:variable name="faq.target" select="key('id', 'faq-help')"/>
<xsl:variable name="faq.href">
     <xsl:call-template name="href.target">
        <xsl:with-param name="object" select="$faq.target"/>
     </xsl:call-template>
 </xsl:variable>
(same for title)

Inside user.head.content:

<link rel="help" href="{$faq.href}" title="{$faq.title}"/>

Bob Stayton
Sagehill Enterprises
DocBook Consulting
bobs@sagehill.net


----- Original Message ----- 
From: "Sam Steingold" <sds@podval.org>
To: <docbook-apps@lists.oasis-open.org>
Sent: Monday, May 08, 2006 12:51 PM
Subject: [docbook-apps] Re: html navigation <link> elements


>> * Bob Stayton <obof@fntruvyy.arg> [2006-05-08 11:05:20 -0700]:
>>
>> <xsl:variable name="faq.target" select="key('id', 'faq-help')"/>
>>
>> <link rel="help">
>>  <xsl:attribute name="href">
>>     <xsl:call-template name="href.target">
>>        <xsl:with-param name="object" select="$faq.target"/>
>>     </xsl:call-template>
>>  </xsl:attribute>
>>  <xsl:attribute name="title">
>>    <xsl:variable name="question.content">
>>      <xsl:apply-templates select="$faq.target/question/node()"/>
>>    </xsl:variable>
>>    <xsl:value-of select="$question.content"/>
>>  </xsl:attribute>
>> </link>
>
> thanks, this works (I had to use
> <xsl:value-of select="normalize-space($question.content)"/> because of
> linebreaks in <question>).
>
> is this code called once or every time a file is written?
> can this be a performance issue?
>
> -- 
> Sam Steingold (http://www.podval.org/~sds) on Fedora Core release 5 
> (Bordeaux)
> http://thereligionofpeace.com http://palestinefacts.org http://memri.org
> http://ffii.org http://openvotingconsortium.org http://iris.org.il
> I haven't lost my mind -- it's backed up on tape somewhere.
>
>
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