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RE: append-pad


Using the equivalent of your code, it works for me.  You have a problem
somewhere else in your stylesheet.  Post your XML and XSLT and we can work
from there.

-----Original Message-----
From: AXRAMAKR@UP.COM [mailto:AXRAMAKR@UP.COM] 
Sent: Wednesday, May 22, 2002 10:31 AM
To: naustin@idsgrp.com
Cc: 'AXRAMAKR@UP.COM'; XSL-List (xsl-list@lists.mulberrytech.com)
Subject: RE: append-pad


Nate-

Tried it....did'nt work. Tried assigning carid to a variable and sending
carid as is and it did not work.

Thanks,
Akila
axramakr@up.com


 

                    Nate Austin

                    <naustin@idsgr       To:     "'AXRAMAKR@UP.COM'"
<AXRAMAKR@UP.COM>  
                    p.com>               cc:     "XSL-List

                                          (xsl-list@lists.mulberrytech.com)"

                    05/22/02 09:45        <xsl-list@lists.mulberrytech.com>

                    AM                   Subject:     RE: append-pad

 

 





Akila -

I copied XSL-List on this.  If you have any other questions, feel free to
post them there (after you have searched the archives/faq of course).  It
is
a great community of very intelligent people that can answer any XSLT
question you may have much clearer than I can. :)  (You can get more
information about the list and subscribe to it at
http://www.mulberrytech.com/xsl/xsl-list/index.html).

> <xsl:template match = "/ceo_di_msg/car_msg/carid">
>            <xsl:value-of select = "$carId"/>
>            <xsl:call-template name="append-pad">
>                  <xsl:with-param name="padChar" select = "' '"/>
>                  <xsl:with-param name="padVar" select = "$carId"/>
>                  <xsl:with-param name="length" select = "'10'"/>
>            </xsl:call-template>
>            <xsl:text>*</xsl:text>
> </xsl:template>

There are a couple of things wrong with this.  For starters, xsl:value-of
outputs whatever it selects to the result tree.  In this case, you're
selecting $carId which doesn't have a value from what I can see.  I guess
it's possible that it is a global variable.  If you want to create a new
variable, do something like this:

<xsl:variable name="carId" select="."/>
Selecting . selects the context node, which in this case is the node that
matched the template.  In this case, creating a variable is not necessary
though.  If you change the call to look like this, it should do what you
want:

  <xsl:call-template name="append-pad">
    <xsl:with-param name="padChar" select = "' '"/>
    <xsl:with-param name="padVar" select = "."/>
    <xsl:with-param name="length" select = "'10'"/>
  </xsl:call-template>

Also, you can search the archives to find post by Dimitre Novatchev
regarding his Divide and Conquer method of padding and/or visit exslt.org
for their method.

I'd also highly recommend that you pick up a good book if you can.  Michael
Kay's /XSLT Programmer's Reference/
(
http://www.amazon.com/exec/obidos/ASIN/1861005067/qid=1022078929/sr=1-3/ref
=sr_1_3/102-3714411-3675320) is a great book, and Jeni Tennison's
/Beginning
XSLT/
(
http://www.amazon.com/exec/obidos/ASIN/1861005946/qid%3D/102-3714411-367532
0) promises to be great.  (Anyone read it yet?)

HTH,

Nate

-----Original Message-----
From: AXRAMAKR@UP.COM [mailto:AXRAMAKR@UP.COM]
Sent: Wednesday, May 22, 2002 8:44 AM
To: naustin@decisionsys.com
Subject: append-pad

How should I modify the code if I were to call the append-pad passing the
attribute as the string ?
Thanks,

Akila Ramakrishnan
(314) 768 5809
axramakr@up.com
----- Forwarded by Akila X. Ramakrishnan on 05/22/02 08:42 AM -----


                      Akila X.

                      Ramakrishnan             To:
naustin@decisionsys.com
                                               cc:

                      05/22/02 07:59 AM        Subject:  append-pad










I saw this code example in your FAQ for padding in XSL

  <xsl:template name="append-pad">
  <!-- recursive template to left justify and append  -->
  <!-- the value with whatever padChar is passed in   -->
    <xsl:param name="padChar"> </xsl:param>
    <xsl:param name="padVar"/>
    <xsl:param name="length"/>
    <xsl:choose>
      <xsl:when test="string-length($padVar) &lt; $length">
        <xsl:call-template name="append-pad">
          <xsl:with-param name="padChar" select="$padChar"/>
          <xsl:with-param name="padVar" select="concat($padVar,$padChar)"/>
          <xsl:with-param name="length" select="$length"/>
        </xsl:call-template>
      </xsl:when>
      <xsl:otherwise>
        <xsl:value-of select="substring($padVar,1,$length)"/>
      </xsl:otherwise>
    </xsl:choose>
  </xsl:template>

I called this function from my code base like this. I am trying to make
carId a fixed text of length 10 and want to append spaces to the right if
the length is <10.

<xsl:template match = "/ceo_di_msg/car_msg/carid">
            <xsl:value-of select = "$carId"/>
            <xsl:call-template name="append-pad">
                  <xsl:with-param name="padChar" select = "' '"/>
                  <xsl:with-param name="padVar" select = "$carId"/>
                  <xsl:with-param name="length" select = "'10'"/>
            </xsl:call-template>
            <xsl:text>*</xsl:text>
</xsl:template>

Why is it not working? What is wrong with the template call?

Thanks,

Akila Ramakrishnan
(314) 768 5809
axramakr@up.com





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