Re: [xsl] How to substitute a string based on number

[Joerg Pietschmann <joerg.pietschmann@xxxxxx>]

Hi Deep,

Mailer Mailer <maillistboxes@xxxxxxxxx> wrote:
> How can I substitute a string based on a number, e.g.
> 
> 1 --- Jaunary
> 2 --- February
[...]
> In wrox book an implementation is given but it seems
> to be MS specific. The implementation is
[...] 
> <xsl:variable name="monthnames"
> select="msxml:node-set($monthnames.tf)"/>

It is MSXML specific but only slightly. Other processors
have a similar extension function node-set(), look it
up in the procesor specific dokumentation.

Depending on the problem you want to solve, you probably
don't need this extension function. Try the following style
sheet:
  <?xml version="1.0" encoding="ISO-8859-1"?>
  <xsl:stylesheet version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
    xmlns:data="uri:some.uri.you.control"
    exclude-result-prefixes="data">

    <data:monthnames.tf>
     <mnth name="January"/>
     <mnth name="February"/>
     <mnth name="March"/>
     <!-- snip, to keep the example short -->
    </data:monthnames.tf>
    
    <xsl:template match="month">
      <xsl:value-of select="document('')/*/data:monthnames.tf/*[number()]/@name">
    </xsl:template>
    <xsl:template match="node()"/>
  </xsl:stylesheet>

This should output the name of the month for each month element
in your source XML which has a month number as its content. Well,
at least if you complete the monthnames array properly. The technique
is based on the fact that elements with a non-XSLT namespace are
allowed in style sheets (http://www.w3.org/TR/xslt.html#stylesheet-element,
last paragraph), and that document('') reads the stylesheet itself.
The "exclude-result-prefixes" ensures that the data namespace is
not copied through into the output.

HTH
J.Pietschmann

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