RE: String-length

> For information I'm using LotusXSL and XML4J.
> Actually I did not need any namespace.
> This worked for me:

Well it shouldn't work. The variable $lengths is a result tree fragment
containing a set of text nodes; the sum() function requires a node-set; the
XPath standard states (a) an argument that is not of type node-set cannot be
converted to a node-set, (b) it is an error if an argument cannot be
converted to the required type; and XSLT conformance requires that the XSLT
processor must signal all errors except where otherwise stated. 


> 
> <xsl:template match="P">
>   <xsl:variable name="lengths">
>     <xsl:apply-templates select="preceding-sibling::P|." 
> mode="length"/>
>   </xsl:variable>
>  <b>This para contains: <xsl:value-of select="string-length()"/>
>  Total from para number 1 to <xsl:value-of select="position()"/>:
> <xsl:value-of select="sum($lengths)"/></b><br/>
> <p><xsl:apply-templates /></p>
> </xsl:template>
> 
> <xsl:template match="P" mode="length">
>   <xsl:value-of select="string-length()"/>
> </xsl:template>
> 
> Thanks for quick response.
> 
> __ Thomas Karlsen | System Developer
> __ Cell Network ASA | New Media Science | Sorkedalsveien 10A, 
> N-0304 Oslo,
> Norway
>     Tel: +47 23196600 | Fax: +47 23196601 | Mob: +47 91514293
> 
> 
> > -----Original Message-----
> > From: Phil Lanch [mailto:phil@xxxxxxxxxxxxxxx]
> > Sent: 13. desember 1999 20:09
> > To: xsl-list@xxxxxxxxxxxxxxxx
> > Subject: Re: String-length
> > 
> > 
> > Alternatively, use a named template to collect (nodes 
> containing) the
> > numbers you want to add up in a variable, and apply the 
> sum() function
> > to them. The tricky bit is that the variable contains a result-tree
> > fragment, not a node list, and the sum() function must be given a
> > node-list, so you need to convert the result-tree fragment to a
> > node-list using a node-set() extension function. This is 
> available in
> > Saxon or XT (and it looks such a good idea that surely all good XSL
> > processors will have it eventually).
> > 
> > This kind of use of apply-templates or call-template inside 
> a variable
> > is often an alternative to recursive named templates.
> > 
> > So in Saxon that would be:
> > 
> > <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
> >   xmlns:sxf="/com.icl.saxon.functions.Extensions" version="1.0">
> > 
> > <xsl:template match="para">
> >   <xsl:variable name="lengths">
> >     <xsl:apply-templates select="preceding-sibling::para|."
> > mode="length"/>
> >   </xsl:variable>
> >  This para contains: <xsl:value-of select="string-length()"/>
> >  Total from para number 1 to <xsl:value-of select="position()"/>:
> > <xsl:value-of select="sum(sxf:node-set($lengths)/length)"/>
> > </xsl:template>
> > 
> > <xsl:template match="para" mode="length">
> >   <length><xsl:value-of select="string-length()"/></length>
> > </xsl:template>
> > 
> > and in XT you need to declare the 
> xmlns:xt="http://www.jclark.com/xt"
> > namespace and change sxf:node-set to xt:node-set.
> > 
> > Kay Michael wrote:
> > > 
> > > You need another of those recursive named templates that 
> > does, in effect
> > > strlength($nodeset) = string-length($nodeset[1]) +
> > > strlength($nodeset[position()>1])
> > > 
> > > Of course writing this in XSL is about 15 lines of code. 
> > There are many
> > > examples of this pattern in the archives of this list.
> > > 
> > > Mike Kay
> > > 
> > > > -----Original Message-----
> > > > From: Thomas Karlsen [mailto:ThomasK@xxxxxxxxxxxxxxx]
> > > > Sent: 13 December 1999 11:22
> > > > To: 'XSL-List@xxxxxxxxxxxxxxxx'
> > > > Subject: String-length
> > > >
> > > >
> > > > Im trying to hold track over how many char. i'm sending 
> > to the output.
> > > >
> > > > xml:
> > > > <section>
> > > >  <para>this is a test</para>
> > > >  <para>this is a test</para>
> > > >  <para>this is a test</para>
> > > >  <para>this is a test</para>
> > > > </section>
> > > >
> > > > xsl:
> > > > <template match="section">
> > > >  <apply-templates />
> > > > </template>
> > > >
> > > > <template match="para">
> > > >  This para contains: <xsl:value-of select="string-length()"/>
> > > >  Total from para number 1 to <xsl:value-of 
> select="position()"/>:
> > > > <xsl:value-of select="string-length(preceding-sibling::para)"/>
> > > >  <apply-templates />
> > > > </template>
> > > >
> > > > My question is how can I add the string-values for the 
> > para's that is
> > > > already traversed?
> > > > The preceding-sibling function only gives me the value of the
> > > > first para in
> > > > the node-set.
> > 
> > -- 
> > 
> > cheers
> > 
> > phil
> > 
> > "that monotonous state of the soul halfway between fulfillment
> > and futility which comes with life in the country" --- Musil
> > 
> > 
> >  XSL-List info and archive:  
http://www.mulberrytech.com/xsl/xsl-list
> 


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


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