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From "G. Ken Holman" <gkhol...@CraneSoftwrights.com>
Subject Re: regarding addition in xsl
Date Wed, 06 Feb 2002 15:49:26 GMT
At 2002-02-06 16:03 +0530, Meena wrote:
>I have a param in my template. and i've assigned a value '1' to it.
>This template is called recursively from within itself.

In your example you are not calling the template, you are pushing the children

>I want to keep incrementing the param everytime this template is called. 
>Is it possible to do so in xsl?
>
><xsl:apply-templates select="test">
>   <xsl:with-param name="number">1</xsl:with-param>

Careful, you aren't declaring a type of number here, but of type "result 
tree fragment" which can be coerced into a number but isn't really a number 
yet.

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

Here you are declaring a template to match elements named "test", you 
aren't declaring a template named "test".

><xsl:param name="number">
>........
>
><xsl:apply-templates select="test">

Here you are pushing child elements named "test", you aren't calling a 
template named "test".

>    <xsl:with-param name="number" select="$number+1"/>
></xsl:apply-templates>

I think your problems will be solved by using "call-template" ... see below.

I hope this helps.

................ Ken

T:\ftemp>type meena.xsl
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                 version="1.0">

<xsl:template match="/">
   <xsl:call-template name="test"/>
</xsl:template>

<xsl:template name="test">
   <xsl:param name="number" select="1"/>
   <xsl:text/>Loop <xsl:value-of select="$number"/>:
<xsl:text/>
   <xsl:if test="$number&lt;5">
     <xsl:call-template name="test">
       <xsl:with-param name="number" select="$number + 1"/>
     </xsl:call-template>
   </xsl:if>
</xsl:template>

</xsl:stylesheet>

T:\ftemp>xt meena.xsl meena.xsl
<?xml version="1.0" encoding="utf-8"?>
Loop 1:
Loop 2:
Loop 3:
Loop 4:
Loop 5:

T:\ftemp>


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