Re: Fw:

> mohamed wrote:
> 
> I'm trying to call templates based on attribute names:
> 
> <?xml version="1.0"?>
>  <testText >
>      <text bold="yes">WITH BOLD</text>
>      <text bold="yes" italic="yes"> WITH BOLD AND ITALIC</text>
>  </testText>
> so I declared templates that are called and match bold and italics,
> 
>  <xsl:template match="bold" name="bold">
>   <b>
>     <xsl:apply-templates/>
> </b>
> </xsl:template>
> 
> <xsl:template match="italics" name="italics">
>   <i>
>     <xsl:apply-templates/>
> </i>
> </xsl:template>
> 
> and I want to get an output as follows:
> <b>WITH BOLD</b>
> <b><i>WITH BOLD AND ITALIC</i></b>

Here is a version which marries recursion and an in-sheet map of
attribute names to element names to produce something which is a bit
funky to read, but very easy to maintain if you have a 1:1 correlation
of attribute names to elements---you just add entries to the map.

 Steve

<xsl:stylesheet version="1.0" 
  xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<xsl:output method="html" indent="yes"/>

<xsl:template name="attr-map">
  <map attr="bold"   elem="b"/>
  <map attr="italic" elem="i"/>
</xsl:template>

<xsl:template match="/">
  <xsl:apply-templates/>
</xsl:template>

<xsl:template match="testText/text">
  <xsl:call-template name="format-by-attribute"/>
</xsl:template>

<xsl:template name="format-by-attribute">
  <xsl:param name="attr-set" select="@*[.='yes']"/>
  <xsl:variable name="nattr" select="count($attr-set)"/>
  <xsl:choose>
    <xsl:when test="$nattr = 0">
      <xsl:apply-templates/>
    </xsl:when>
    <xsl:otherwise>
      <xsl:element name="{document('')/*/xsl:template[@name='attr-map']
                          /map[@attr=name($attr-set[1])]/@elem}">
        <xsl:choose>
          <xsl:when test="$nattr = 1">
            <xsl:apply-templates/>
          </xsl:when>
          <xsl:otherwise>
            <xsl:call-template name="format-by-attribute">
              <xsl:with-param name="attr-set"
               select="$attr-set[position()>1]"/>
            </xsl:call-template>
          </xsl:otherwise>
        </xsl:choose>
      </xsl:element>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

</xsl:stylesheet>


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