Re: [xsl] PARAMS and VARIABLES in XSL

[mark bordelon <markcbordelon@xxxxxxxxx>]

Abel, This worked beautifully. Thank you.
Also, you adressed some aspects and practices about
XSL which I was not clear about. Thanks again.


--- Abel Braaksma <abel.online@xxxxxxxxx> wrote:

> mark bordelon wrote:
> > I need help with the following problem.
> >
> > This is the XML is wish to transform:
> >  
> >
> >  
> > I have tried all sorts of solutions using axes,
> > preceding-sibling, but these did not work, since
> the
> > <word> and <sound> are not true siblings to the
> > processor, even though they are on the same level
> of
> > the hierarchy.
> >   
> 
> Well, if you mean with "not true siblings" that you
> have missed the 
> closing tag, you are out of luck: it is not XML.
> 
> But you just made a copy n paste mistake, and each
> sound tag is an empty 
> tag, here's your solution:
> 
> <xsl:stylesheet
> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
> version="1.0">
>     <xsl:output indent="yes" />
>   
>     <xsl:template match="word">
>         <word
> soundtime="{preceding-sibling::sound[1]/@time}">
>             <xsl:value-of select="." />
>         </word>
>     </xsl:template>
>   
>     <xsl:template match="text()" />
> </xsl:stylesheet>
> 
> 
> The delete-template for text() is one way to get rid
> of the whitespace 
> that would otherwise be output (but is not necessary
> with your input).
> 
> To make this work, you must first make XML from your
> input.
> 
> 
> > <?xml version="1.0" encoding="UTF-8"?>
> > <xsl:stylesheet version="1.0"
> > xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; >
> > <xsl:template match="//clause/*">
> >   
> 
> As a general rule: never start a match with "//". It
> is not necessary 
> for any reason. Just 'clause/*' would do if you want
> to match all nodes 
> that have a parent 'clause' (which is not what you
> want, I think).
> 
> > <xsl:param name="soundtime" />
> > <xsl:if test="local-name() = 'sound'">
> > <xsl:param name="soundtime" select="@time" />
> > </xsl:if>
> >   
> 
> Somehow this looks like trying to redefine a
> parameter. Which is not 
> allowed, ever. Using 'local-name()' is redundant. If
> you want to test 
> for a node that is there, just do:
> 
> <xsl:if test="sound" >....
> 
> 
> > <xsl:if test="local-name() = 'word'">
> >   
> 
> same here
> 
> > <word sound = "{$soundtime}" >
> >   
> 
> You may be falling in the trap of thinking as XSLT
> as a 'normal' 
> language, where 'normal' is defined as "take
> variable X, assign it value 
> Y, read out variable X, assign it another value Z,
> do something else... 
> etc". Which is the Java, VB, C++ etc way of doing
> things.
> 
> Not so in XSLT. Assignment of variables is not
> possible at all. Here you 
> define the rules and the processor does the thinking
> for you. If you 
> find yourself making many xsl:if and xsl:choose, you
> are probably 
> missing something vital somewhere.  A rule is
> defined like:
> 
> <xsl:template match="somenode">
>    ... DO something IF this node is encountered in
> the source
> 
> 
> To select what set of nodes you want to process, you
> use 
> xsl:apply-templates + select.
> 
> 
> Cheers,
> -- Abel
> 
> 



 
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