Re: [xsl] Force the case of a set of strings

["G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>]

At 2012-10-29 17:16 +0000, Kerry, Richard wrote:
> Team,
>
> I have a sequence of strings which are all 'ok' or 'fail' where I 
> want to force the case of all of them.

Actually, it looks like you have a sequence of nodes in $states, not strings.

> When I say they are all 'ok' or 'fail' I actually mean they may be 
> 'ok', 'OK', 'Ok', 'Fail', 'fail', 'FAIL' etc.
>
> I use
>
> <xsl:variable name="ok-fails-1" select="$states/normalize-space(column[7])" />
>
> to extract the sequence from my original xml.
>
> If I say
>
> <xsl:variable name="ok-fails-1-lc" select="lower-case( $ok-fails-1 )" />
>
> then I get told that lower-case can only take a string as its 
> parameter, not a sequence.
>
> Can anyone suggest how I might process my sequence to return a 
> sequence but have each entry passed through lower-case.

$states/lower-case(normalize-space(column[7]))

I remind my students in class that the "/" in "$nodes/expr" is an 
abbreviation for:

  for $n in $nodes return expr($n)

... which is exactly what you did in setting your first variable.  I 
just took it one step further.

> I thought maybe I could pass it as a parameter to a moded 
> apply-templates, but then I get warned that select needs a node, not 
> a string, as its @select attribute.

That shouldn't be necessary if the input is as simple as you imply.

> Subsequently I do distinct-values on it and the result of that I 
> want only to contain 'ok' or 'fail', with no case variations remaining.

The sequence above would be satisfactory input to distinct-values().

I hope this helps.

. . . . . . . . . Ken

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