Jeff,
Your solution with the processing instruction demonstrates that when global
params are being set that the file has already been parsed and xpaths into
the file work. If reading a processing instruction from the file works,
then reading an element in the file should work too. You said reading the
element didn't work, but perhaps there was a problem with the xpath?
Bob Stayton
Sagehill Enterprises
[email protected]
----- Original Message -----
From: "Jeff Hooker" <[email protected]>
To: <[email protected]>
Sent: Tuesday, March 10, 2009 10:03 AM
Subject: RE: [docbook-apps] Setting the draft.watermark.image parameter
value: solution
Hi all,
Found one thing that works, still open to others. Set the value of the
parameter using a processing instruction like so (basically cut-and-paste
from Bob S's Docbook XSL book):
<xsl:param name="draft.watermark.image">
<xsl:call-template name="dbfo-attribute">
<xsl:with-param name="pis"
select="//processing-instruction('dbfo')"/>
<xsl:with-param name="attribute" select="'draft.watermark.image'"/>
</xsl:call-template>
</xsl:param>
Then I added a step to one of my preprocessing scripts that picks up the
existence of a "watermark" element and creates the processing instruction at
the root of the document:
<?dbfo draft.watermark.image="/docbook-xsl-1.73.2/fo/mods/watermarks.png"?>
and it's all good.
Cheers,
Jeff.
-----Original Message-----
From: Jeff Hooker [mailto:[email protected]]
Sent: Tuesday, March 10, 2009 9:40 AM
To: [email protected]
Subject: RE: [docbook-apps] Setting the draft.watermark.image parameter
value
Technically right, but in my situation, wrong :(
My company uses a CMS that makes setting parameter values a nightmare. This
is the main reason that I'm trying to do an end run around having to define
them outside of the document.
Jeff.
-----Original Message-----
From: John Brown [mailto:[email protected]]
Sent: Tuesday, March 10, 2009 9:37 AM
To: [email protected]
Subject: RE: [docbook-apps] Setting the draft.watermark.image parameter
value
Jeff Hooker wrote:
Hi all,
I'm trying to allow my users to set their own watermark simply
by defining an image labeled "watermark" within their document. This
means I need to set the value of the draft.watermark.image value
dynamically. This is a little difficult because, as far as I can tell,
the parameter value needs to be set before the target file is processed
(makes sense, just inconvienent at the moment). Is there any boilerplate
way of getting around this?
Thanks,
Jeff
You could set the parameter on the command line to the value in an
environment variable. Using xsltproc on Windows would give:
C:\> xsltproc --stringparam draft.watermark.image %WATERMARK% ...
Each user could set his %WATERMARK% variable to whatever he wants,
without touching the source XML at all.
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