Re: [xsl] Re: Defining a Variable that depends on an unknown number of conditions

["Andrew Ferk" <andrewferk@xxxxxxxxx>]

> OK.  I'm trying to determine if element_x or element_y contain the
> value value_m or value_n.
> I believe I'm close, but can't figure out what to replace ____________ with.
> I tried current()/../@on and ./../@on but no luck.
>
> Thanks.  Below is a quick mock-up of files.
>
> I have xml_a.xml as so:
> <xml_a>
>  <depends>
>    <depend on="element_x" equals="value_m|value_n"/>
>    <depend on="element_y" equals="value_m|value_n"/>
>  </depends>
> </xml_a>
>
> and xml_b.xml:
> <xml_b>
>  <element_x>value_m</element_x>
>  <element_y>value_p</element_y>
> </xml_b>
>
> finally transform.xsl, that opens xml_b.xml and transforms xml_a.xml.
> <xsl:variable name="xml_b" select="document('xml_b.xml')/xml_b"/>
> <xml:template select="xml_a">
>  <xsl:variable name="my_test" select =
> "depends/depend/@equals[contains(.,$xml_b/*[name()=__________])]"/>
> </xml:template>

I solved my problem using a recursive template.

<xsl:variable name="xml_b" select="document('xml_b.xml')/xml_b"/>

<xsl:template name="loop">
  <xsl:param name="loop_variable">1</xsl:param>
  <xsl:parram name="attr_on">
    <xsl:value-of select="depends/depend[position()=$loop_variable]/@on"/>
  </xsl:param>
  <xsl:param name="attr_equals">
    <xsl:value-of select="depends/depend[position()=$loop_variable]/@equals"/>
  </xsl:param>

  <xsl:choose>
    <xsl:when test="$attr_on = ''">yes</xsl:when>
      <xsl:when test="$xml_b/*[name()=$attr_on] = ''">
        <xsl:call-template name="depends">
          <xsl:with-param name="loop_variable" select="$loop_variable + 1"/>
            </xsl:call-template>
          </xsl:when>
          <xsl:when test="contains($attr_equals,
$xml_b/*[name()=$attr_on])">no</xsl:when>
          <xsl:otherwise>
            <xsl:call-template name="depends">
         <xsl:with-param name="loop_variable" select="$loop_variable + 1"/>
      </xsl:call-template>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template select="xml_a">
  <xsl:variable name="my_test">
    <xsl:call-template name="loop"/>
  </xsl:variable>
</xsl:template>

-- 
Andrew Ferk