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Subject: Re: [docbook-apps] Relative path names

The simplest method would be to create a stylesheet parameter named 
something like 'stylesheet.dir' and put the path into it manually.  If you 
have a static setup, that could work. As a parameter, it could also be reset 
on the command line at run time.  Then you just use that parameter value in 
the paths to your image files.

But I suspect you wanted something that would automatically handle the 
location of the stylesheet. XSLT doesn't have a function that returns the 
path of the stylesheet file, but there are Saxon and Xalan extension 
functions that do.  This bit of code uses those extension functions to get 
the full path of the stylesheet file, then uses the docbook utility template 
named 'getdir' to lop off the filename, leaving the directory path.

<xsl:param name="stylesheet.dir">
  <xsl:call-template name="getdir">
    <xsl:with-param name="filename">
      <xsl:for-each select="document('')">
          <xsl:when test="function-available('saxon:systemId')">
            <xsl:value-of select="saxon:systemId()"/>
          <xsl:when test="function-available('NodeInfo:systemId')">
            <xsl:value-of select="NodeInfo:systemId()"/>
            <xsl:message terminate="yes">
              <xsl:text>WARNING: cannot compute stylesheet path</xsl:text>

The use of document('') opens the current xsl file, and the xsl:for-each 
temporarily switches the current context to that file. Then it tests for the 
existance of each function before trying to use it.  You'll need to put the 
namespace declarations in the root element of the stylesheet file as well. 
If you aren't using Saxon or Xalan, then this won't work for you.

Bob Stayton
Sagehill Enterprises

----- Original Message ----- 
From: "Remko Tronçon" <remko@el-tramo.be>
To: <docbook-apps@lists.oasis-open.org>
Sent: Thursday, November 13, 2008 1:58 PM
Subject: [docbook-apps] Relative path names

> Hi,
> In one of my customization layer stylesheets, I have the following 
> excerpt:
>  <fo:block text-align="center">
>    <fo:external-graphic src="url(/path/to/some/image.png)"
> content-type="content-type:image/png" text-align="center"/>
>  </fo:block>
> Is there any way of making that path relative to the stylesheet?
> thanks,
> Remko
> ---------------------------------------------------------------------
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