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Re: Group problem with blank elements

2005-06-30 22:55:53
Hi Prakash,
  Your stylesheet look fine.. But when I run it with
Saxon 6.5.3, I get an error -

Error on line 2 column 6 of
file:/C:/xml/xsleg/xslt/posgroup1.xsl:
  Error reported by XML parser: The processing
instruction target matching "[xX]
[mM][lL]" is not allowed.
Transformation failed: Failed to parse stylesheet

Regards,
Mukul

--- omprakash(_dot_)v(_at_)polaris(_dot_)co(_dot_)in wrote:






Hi,

The following xslt 1.0 stylesheet should work with a
little tweaking. If
there is an easier way to do this in 1.0, Iam not
aware of it. probably
much easier in xslt 2.0.

<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";>

<xsl:output method="xml" indent="yes" />


<xsl:template match="/root">

<xsl:apply-templates select="statement-message[1]"
mode="wrap"/>

</xsl:template>

<xsl:template match="statement-message" mode="wrap">


<xsl:apply-templates

select="following-sibling::*[1][self::statement-message][not(string-length(following-sibling::*[self::statement-message])
 = 0)][1]" mode="nowrap">
<xsl:with-param name="parent" select="."/>
<xsl:with-param name="dotag" select="0"/>
</xsl:apply-templates>

<!--
<xsl:apply-templates

select="following-sibling::*[1][self::statement-message]"
mode="nowrap"/>
-->


</xsl:template>

<xsl:template match="statement-message[. = '']">

<xsl:value-of select="'here'"/>

<xsl:apply-templates

select="following-sibling::*[1][self::statement-message]"
mode="wrap"/>
</xsl:template>



<xsl:template match="statement-message"
mode="nowrap">
<xsl:param name="parent"/>
<xsl:param name="dotag"/>


<xsl:choose>
<xsl:when test="number($dotag) = 0">

<statement-message>
<xsl:value-of select="$parent"/>
<xsl:value-of select="."/>

<xsl:choose>
<!--
<xsl:when

test="not(string-length(following-sibling::*[self::statement-message][1])
=
0)">
-->
<xsl:when test="not(string-length(.) = 0)">


<xsl:apply-templates

select="following-sibling::*[self::statement-message][not(string-length(following-sibling::*[self::statement-message])
 = 0)][1]" mode="nowrap">
<xsl:with-param name="parent" select="."/>
<xsl:param name="dotag" select="1"/>
</xsl:apply-templates>

</xsl:when>
<xsl:otherwise>

<xsl:apply-templates select="statement-message"/>
</xsl:otherwise>
</xsl:choose>

</statement-message>
</xsl:when>


<xsl:otherwise>

<xsl:value-of select="."/>
<xsl:apply-templates

select="following-sibling::*[self::statement-message][not(string-length(following-sibling::*[self::statement-message])
 = 0)][1]" mode="nowrap"/>
</xsl:otherwise>
</xsl:choose>

<xsl:choose>
<xsl:when

test="string-length(following-sibling::*[self::statement-message][1])
= 0">

<xsl:apply-templates

select="following-sibling::*[1][self::statement-message]"
mode="wrap"/>

</xsl:when>
</xsl:choose>



<!--
<xsl:apply-templates

select="following-sibling::*[self::statement-message][not(string-length(following-sibling::*[self::statement-message])
 = 0)][1]" mode="wrap"/>
-->


</xsl:template>

<xsl:template match="statement-message[. = '']">

<xsl:value-of select="'here'"/>

<xsl:apply-templates

select="following-sibling::*[1][self::statement-message]"
mode="wrap"/>

</xsl:template>


</xsl:stylesheet>


Hope this helps.

Cheers,
prakash






                                                    
                                                    
                             
                      "Ed Yau"                      
                                                    
                             
                      <eyau(_at_)vstrading(_dot_)         To:  
   <xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com>                
                             
                      co.uk>                   cc:  
   (bcc: omprakash.v/Polaris)                       
                             
                                              
Subject: [xsl] Group problem with blank elements    
                                   
                      06/30/2005 11:00              
                                                    
                             
                      PM                            
                                                    
                             
                      Please respond                
                                                    
                             
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Hiya,

Having loads of trouble with this.  On the face of
it a really easy
problem.
I have a bunch of elements like so:

<statement-message>Your account is now seriously in
arrears.
To</statement-message>

<statement-message>avoid further action a payment
of</statement-message>

<statement-message>$82.00 is required immediately.
Any</statement-message>

<statement-message>purchases will now be
declined.</statement-message>

<statement-message>
</statement-message>

<statement-message>  More text </statement-message>

<statement-message>
</statement-message>

<statement-message>
</statement-message>

<statement-message>
</statement-message>

I want to strip out the empty tags and merge
adjacent elements as
follows:

<statement-message> Your account is now seriously in
arrears. To avoid
further action a payment of
82.00 is required immediately. Any purchases will
now be
declined.</statement-message>

<statement-message>  More text </statement-message>

My code at the moment is:
<xsl:for-each-group select="statement-message"

group-ending-with="statement-message[string-length(normalize-space(follo
wing-sibling::statement-message[1]))=0]">
             <statement-message>
                         <xsl:value-of select="."/>
             </statement-message>
</xsl:for-each-group>

My understanding of this is that it should start
grouping from the 1st
statement message, with the groups ending as soon as
an empty element is
reached.  The empty tags at the end would still be
there, but at least
it should do the merge.  However, the result looks
like:

     <statement-message>Your account is now
seriously in arrears.
To</statement-message>
     <statement-message>
     </statement-message>
     <statement-message>  More text
</statement-message>
     <statement-message>
     </statement-message>
     <statement-message>
     </statement-message>
     <statement-message>
     </statement-message>

So where am I going wrong?

Ed



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