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Re: [xsl] A newbie question in XSL - Using variables


Subject: Re: [xsl] A newbie question in XSL - Using variables
From: "Vasu Chakkera" <vasucv@xxxxxxxxxxx>
Date: Wed, 26 Jan 2005 10:07:12 -0000

> <font color="$use-color">Hello</font>
This should have been  <font color="{$use-color}">Hello</font>
** Notice the curly braces **
  <font color="$use-color">Hello</font>
will not get the  value of the $use-color  variable to the color attribute
of the font tag.It will instead make the value of the color attribute to be
"$use-color"

Vasu

----- Original Message ----- 
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
To: <xsl-list@xxxxxxxxxxxxxxxxxxxxxx>
Sent: Wednesday, January 26, 2005 2:55 AM
Subject: Re: [xsl] A newbie question in XSL - Using variables


> At 2005-01-25 18:28 -0800, prasannap@xxxxxx wrote:
> >I have a simple question that Im trying to solve:
>
> This is a FAQ
>
> ><xsl-if test="some condition">
> >            <font color="red"> Hello 1</font>
> ></xsl-if>
> ><xsl-if test="some other condition">
> >            <font color="blue"> Hello 1</font>
> ></xsl-if>
> >
> >Now, is there a way to obtain the above criteria something like,
> >
> ><xsl-if test="some condition">
> >            $somevariable = "red";
> ></xsl-if>
> ><xsl-if test="some other condition">
> >            $somevariable = "blue";
> ></xsl-if>
> ><font color=$somevariable> Hello 1</font>
> >
> >I understand that I cannot use <xml:param> and <xml:variable> as they are
> >constants. Please let me know a solution to this trivial problem.
>
> Put the conditional around the value assigned, not around the assignment:
>
> <xsl:variable name="use-color">
>    <xsl:choose>
>       <xsl:when test="some condition">red</xsl:when>
>       <xsl:when test="other condition">blue</xsl:when>
>       <xsl:otherwise>green</xsl:otherwise>
>    </xsl:choose>
> </xsl:variable>
> ...
> <font color="$use-color">Hello</font>
>
> Some caveats when testing result-tree-fragment variables, they always test
> true() until you cast them to the data type that you need.
>
> I hope this helps.
>
> ......................... Ken
>
> --
> World-wide on-site corporate, govt. & user group XML/XSL training.
> G. Ken Holman                 mailto:gkholman@xxxxxxxxxxxxxxxxxxxx
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