How to use a taglib?

[Mac Schwarz <mc...@phil.uni-erlangen.de>]

Hi,

given a xml file and a corresponding stylesheet like
-------- test.xml ---------
<?xml version="1.0"?>
<?cocoon-process type="xslt"?>
<?xml-stylesheet href="test.xsl" type="text/xsl"?>
<page>
<input/>
</page>
---------------------------

--------test.xsl-----------
<?xml version="1.0"?>

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

  <xsl:template match="page">

    <xsp:page language="java"
xmlns:xsp="http://www.apache.org/1999/XSP/Core"
xmlns:request="http://www.apache.org/1999/XSP/Request">
      <head>
	<title>Test</title>
      </head>
	<body>
	<xsl:apply-templates/>
	</body>
    </xsp:page>
  </xsl:template>

<xsl:template match="input"> 
<form action="test2.xml" method="post">
<input type="text" size="4" name="level"/>
<input type="submit" name="submit"/>
</form>
</xsl:template>
</xsl:stylesheet>
--------------------------

Now I have a input field and a submit button. After submitting the form
another xml file and stylesheet is called.

-------------test2.xml-------
<?xml version="1.0"?>

<?cocoon-process type="xslt"?>

<?xml-stylesheet href="test2.xsl" type="text/xsl"?>
   
<page>
<content>
  <verbose>This is the verbose content</verbose>
</content>
</page
-----------------------------

-----------test2.xml---------
<?xml version="1.0"?>

<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:xsp="http://www.apache.org/1999/XSP/Core"
xmlns:request="http://www.apache.org/1999/XSP/Request">

  <xsl:template match="page">
      <xsl:processing-instruction
name="cocoon-process">type="xsp"</xsl:processing-instruction>
      <xsl:processing-instruction
name="cocoon-format">type="text/html/loose"</xsl:processing-instruction>
      <xsp:page language="java"
xmlns:xsp="http://www.apache.org/1999/XSP/Core" 
	xmlns:request="http://www.apache.org/1999/XSP/Request">
	<html>
	  <head>
	    <title>Test</title>
	  </head>
	  <body>
	    
	    <xsl:apply-templates/>
	  </body>
	</html> 
      </xsp:page>
    </xsl:template>

    <xsl:template match="content">
      Parameter Value: <request:get-parameter-values name="level"/><br/>
      <xsl:variable name="mylevel"><request:get-parameter-values
name="level"/></xsl:variable>
      Variable value: <xsl:copy-of select="$mylevel"/>
      <xsl:if test="'$mylevel' = 'verbose'">
	<br/>
      <xsl:apply-templates select="verbose"/>
    </xsl:if>
    </xsl:template>

    <xsl:template match="verbose">
      <xsl:apply-templates/>
    </xsl:template>
    
  </xsl:stylesheet>
---------------------

The text 'This is the verbose content' should be displayed if the
submittet text is 'verbose'.

However I only get a page with

Parameter Value: verbose
Variable value: verbose

but the <xsl:if part is never evaluated. The testcondition "'$mylevel' =
'verbose'" is never fulfilled. Works fine if I change it to "'verbose' =
'verbose'" but that's obviously not what I need.

Is there any trick to 'force' the evaluation of $mylevel?

	mac


-- 
Mac Schwarz / AERIA Projekt / Inst. f. Klassische Archaeologie
e-mail: mac@aeria.phil.uni-erlangen.de  / Tel.: 09131-85-24791
 FAU Erlangen-Nuernberg   /   Kochstr.4   /   91054 Erlangen
  <http://www.phil.uni-erlangen.de/~p1altar/aeriahome.html>