[xsl] Re: Establishing Defaults for Omitted Elements

["Dimitre Novatchev" <dnovatchev@xxxxxxxxx>]

Use:

    *[name() = $velName]
  |
    $vDefaults [not(current()/*[name()=$velName])] /* [name() = $velName]


Cheers,

Dimitre Novatchev
FXSL developer

http://fxsl.sourceforge.net/ -- the home of FXSL
Resume: http://fxsl.sf.net/DNovatchev/Resume/Res.html


"Dan Diebolt" <dandiebolt@xxxxxxxxx> wrote in message
news:20040303172920.75271.qmail@xxxxxxxxxxxxxxxxxxxxxxxxxx
> I have an XML configuration file for which I am defining the structure of
(ie I
> can change it) and in relevant part currently looks like this:
>
> <Items>
>  <Defaults>
>   <a>0</a>
>   <b>1</b>
>  </Defaults>
>  <Item>
>   <a>1</a>
>  </Item>
>  <Item>
>   <b>2</b>
>  </Item>
> </Items>
>
> The <Defaults> element is intended to set the default value of elements
<a> and
> <b> if these elements are absent in any of the subsequent <Item>'s.
>
> When I process the <Item>'s and need to grab the value of <a> or <b>, I am
> currently using code like this:
>
>
> <xsl:template match="Item">
>  <xsl:variable name="Defaults" select="../Defaults"/>
>
>  <!-- code use when value for <a> is needed -->
>  <xsl:choose>
>   <xsl:when test="a">
>    <xsl:value-of select="a"/>
>   </xsl:when>
>   <xsl:otherwise>
>    <xsl:value-of select="$MenuDefaults/a"/>
>   </xsl:otherwise>
>  </xsl:choose>
>
>  <!-- code use when value for <a> is needed -->
>  <xsl:choose>
>   <xsl:when test="b">
>    <xsl:value-of select="b"/>
>   </xsl:when>
>   <xsl:otherwise>
>    <xsl:value-of select="$MenuDefaults/b"/>
>   </xsl:otherwise>
>  </xsl:choose>
> </xsl:template>
>
> Could anyone offer a more compact way to implement a scheme like this
(changing
> either the XML or the XSLT)? In the actual application I have 100's of
elements
> like <a> and <b> and it is becoming a bit verbose to use the <xsl:choose>
> element in this fashion. The solution has to work with IE6. The most
important
> feature I must retain is the ability to make hand editing of the XML
> configuration file as simple as possible (minimal typing, no attributes
etc).
> There is currently no DTD or schema for the XML config file.
>
> Any help would be appreciated.
>
>
>
>
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list
>
>




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