Re: [xsl] Tokenize comma separated string in XSL

Subject: Re: [xsl] Tokenize comma separated string in XSL
From: "Mukul Gandhi" <gandhi.mukul@xxxxxxxxx>
Date: Wed, 21 Mar 2007 22:27:18 +0530
Abel rightly said, your desired output is not well-formed XML (so it
cannot be consumed by any XML 1.x complaint tool / parser). Assuming
that is an oversight on your part, here is the solution which Abel

<xsl:stylesheet xmlns:xsl=""; version="1.0">

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

<xsl:param name="string" />

<xsl:template match="/">
    <xsl:call-template name="tokenize">
      <xsl:with-param name="string" select="$string" />
      <xsl:with-param name="delim" select="','" />

<xsl:template name="tokenize">
  <xsl:param name="string" />
  <xsl:param name="delim" />

    <xsl:when test="contains($string, $delim)">
      <Code value="{substring($string, 1, 1)}">
        <Description><xsl:value-of select="substring-before($string,
$delim)" /></Description>
      <xsl:call-template name="tokenize">
        <xsl:with-param name="string"
select="substring-after($string, $delim)" />
        <xsl:with-param name="delim" select="$delim" />
      <Code value="{substring($string, 1, 1)}">
        <Description><xsl:value-of select="$string" /></Description>


When the above stylesheet is applied to XML:

<?xml version="1.0" encoding="UTF-8"?>

(this is any dummy XML)

The output produced is:

<?xml version="1.0" encoding="UTF-8"?>
 <Code value="A">
 <Code value="D">
 <Code value="G">

I used Xalan-J 2.7.0 as following, to invoke the transformation:

java org.apache.xalan.xslt.Process -in test.xml -xsl test.xsl -PARAM
string ABC,DEF,GHI

Hope this helps.

On 3/21/07, Lalit.Chanchlani@xxxxxxxxxxxxxxxxxx
<Lalit.Chanchlani@xxxxxxxxxxxxxxxxxx> wrote:

I am using XSLT 1.0 In the XSL I get the comma separated string
ABC,DEF,GHI as a parameter which is set by a Java program.

The output XML should be:

  <Code value = "A">
 <Code value = "D">
 <Code value = "G">

Can you please give me an example on the recursive template using
substring-before and substring-after?


-----Original Message-----
From: Abel Braaksma []
Sent: Wednesday, March 21, 2007 4:50 PM
To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx
Subject: Re: [xsl] Tokenize comma separated string in XSL

Lalit.Chanchlani@xxxxxxxxxxxxxxxxxx wrote:
> Hi All,
> I have a comma-separated string like ABC,DEF,GHI which I want to
> tokenize and return to a template which retrieves separately its
> corresponding code from a XML input.
What version of XSLT are you using?

In XSLT 2, this is:

<xsl:for-each select="tokenize($your_input, ',')" >
   <Description value="{.}" />

In XSLT 1, use a recursive template call with substring-before and
substring-after to "walk" through the string.

> The output should be:
> <AllCodes>
>    <Code value = "A">
>       <Description="ABC">
your output is not valid XML and as such is not (easily) possible with
XSLT. I assume you meant something else?

-- Abel Braaksma

Mukul Gandhi

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