Re: [xslt] How to generate alphabet using xslt?

[Daniel Veillard <veillard redhat com>]

On Thu, Jul 07, 2005 at 03:25:03PM +0200, Vlastimil Krejcir wrote:
>   Hello,
> 
>   I would like to solve some issue about generating alphabet -- exactly I 
> need some cycle goes through every letter in alphabet and generate html 
> code (for example) like this:
> 
> <a href="#A">A</a>
> <a href="#B">B</a>
> ...
> <a href="#Z">Z</a>
> 
> I find there is no classic "for" or "while" loop in xslt. I have used 
> classic recursion way which do the work as good as classic imperative 
> loop. So I can generate numbers from 65 to 96 (which are equivalents to 
> whole alphabet in ASCII). XPath-2.0 defines function 
> codepoints-to-string() which can solve everything = transforming the 
> numbers into a letters. But xsltproc does not follow XPath-2.0 (yet). Do 
> you know some ellegant solution how to do it with XSLT-1.0 and XPath-1.0?
> 
> I have found some solutions, but not ellegant I think. The first one is to 
> include the alphapet letters into processed xml document (ugly solution I 
> think). Another one is to use string variable with whole alphabet 
> ($alphabet = "ABCD...Z") and cut one letter in each recursion call (not 
> bad, but still it is like using crutches). And the last solution I have 
> found -- using html coding for letters (&#<number>;) for writing letters 
> and only the numbers for references: <a href="#l65">&#65;</a>
> 
> What do you think about? I only beginning with xslt and I am sure there 
> are a lot of tricks for writing ellegant code. But I don't know them.

  use http://www.exslt.org/str/functions/tokenize/index.html 
  EXSLT - str:tokenize to generate a node set for each letter embedded as
a string in the stylesheet for example, then apply the template to each node
in the nodeset.

Daniel

-- 
Daniel Veillard      | Red Hat Desktop team http://redhat.com/
veillard redhat com  | libxml GNOME XML XSLT toolkit  http://xmlsoft.org/
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