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Re: capturing variables or not?

Subject: Re: capturing variables or not?
From: Oliver Becker <obecker@xxxxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 2 Aug 2000 10:35:12 +0200 (MET DST)
dppo
Hi Edward,

> I know how to do the template match, and all that neat stuff with normal XML
> (ie <tag></tag>).  But now after being
> away from DTDs, XML, and XSL for 2 1/2 months I have to write a style sheet
> for an xml document,  and I'm at a loss 
> on how to match these tags.  (Please bear in mind I did not write the XML)
> 
> The XML is written in the following way!
> 
> <?xml version="1.0" standalone="yes"?>
>   <dppo:document>
>     <dppo:titleDef>
>     Fiji:  Crisis Over...or is it?
>     </dppo:titleDef>
>       <dppo:packetDef>
>         <dppo:titleDef>
>         Summary
>         </dppo:titleDef>
>         <dppo:paraDef>
>           <dppo:textDef>
> 	Hostages held in Parliament since 19 May 2000 were released xxx.  
> 	Ratu Josefa Iloilo will be sworn in as Fiji`s new president on
> Tuesday, 18 July.  
> 	Fiji`s two-month political coup is over, but the hostage crisis is a
> huge disaster for Fiji.  
> 	The fabric of multi-culturalism and harmonious race relations has
> been severely strained.  
> 	The economy, which was beginning to show signs of recovery after
> years of stagnation, is hobbled.	
>           </dppo:textDef>
>         </dppo:paraDef>
>       </dppo:packetDef>
>   </dppo:document>
> 
> (Note: These are over simplified stylesheets, without any of the bells and
> whistles)

I hope your simplification also dropped the namespace declaration.
The namespace prefix "dppo" must be declared in your XML (preferably 
in the top-level element), e.g.:
xmlns:dppo="some-URI"

> I tired doing the following but XSLT looks at it as a variable
> so it wants me to declare it as a variable.

Don't know what you mean by "variable" ...

> <xsl:stylesheet
> 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> 	version="1.0"
> 	xmlns="http://www.w3.org/TR/REC-html40"
> 	xmlns:fo="http://www.w3.org/1999/XSL/Format"
>     result-ns="fo">
> 
> <xsl:template match="/">
>  <HTML>
>      	<HEAD>
> 		<TITLE>
> 		</TITLE>
> 	</HEAD>
>  	<BODY>
> 		<xsl:apply-templates />
> 	</BODY>
>  </HTML>
> </xsl:template>
> 
> <xsl:template match="dppo:document">
> 		<xsl:apply-templates />
> </xsl:template>

The XSLT engine must complain about the none declared prefix "dppo".

> </xsl:stylesheet>
> 
> 
> When I do, the text does display however its not really being 
> matched by anything except the variable declaration!
> So the text cannot really be manipulated by the stylesheet 
> just displayed.
> 
> <xsl:stylesheet
> 	xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> 	version="1.0"
> 	xmlns="http://www.w3.org/TR/REC-html40"
> 	xmlns:fo="http://www.w3.org/1999/XSL/Format"
>     	result-ns="fo"
> 	xmlns:dppo="file:/dev/null">

Ok - here is such a declaration.
But the used namespace "file:/dev/null" must be the same is in your XML
source!
In this case the template with match="dppo:document" will be applied.
BTW: what is result-ns? I believe the xsl:stylesheet element doesn't
have an attribute like this.

> <xsl:template match="/">
>  <HTML>
>      	<HEAD>
> 		<TITLE>
> 		</TITLE>
> 	</HEAD>
>  	<BODY>
> 		<xsl:apply-templates />
> 	</BODY>
>  </HTML>
> </xsl:template>
> 
> <xsl:template match="dppo:document">
> 		<xsl:apply-templates />
> </xsl:template>
> </xsl:stylesheet>
> 
> I thought of trying to capture the information as a variable would 
> but I'm not quite sure how to do that.  I began to try the following 
> and was not sure if it would work.
[rest snipped]

Hope this helps,
Oliver


/-------------------------------------------------------------------\
|  ob|do        Dipl.Inf. Oliver Becker                             |
|  --+--        E-Mail: obecker@xxxxxxxxxxxxxxxxxxxxxxx             |
|  op|qo        WWW:    http://www.informatik.hu-berlin.de/~obecker |
\-------------------------------------------------------------------/


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