[xsl] #Please Help: Nested conditions

["Matthias Fischer" <it@xxxxxxxxxxxxxxxxxx>]

Can anyone please help me? O have the following problem I cannot solve:

I am trying to transform a table structure which is, simplified, like
this:

<TABLE>
  <TITLE>...</TITLE>
  <TROW>
    <TH>
      ...
    </TH>
  </TROW>
  <TROW>
    <CELL>
      ...
    </CELL>
  </TROW>
  ...
</TABLE>

The availability and number of <TROW> elements with a nested <TH> or,
respectively, with a nested <TB> varies.

The objective is to drop the <TH>'s and <TB>'s, and to wrap all <TROW>'s
that before contained a <TH> into a single <THEAD> element, and
similarly to wrap all <TROW>'s that before contained a <TB> into a
single <TBODY> element.

The XSL approach I have worked out so far is this:

	<xsl:template match="TABLE">
		<TABLE>
		<TTITLE>
			<xsl:value-of select="Table-TITLE"/>
		</TTITLE>
		<xsl:text disable-output-escaping="yes">
			&#60;TGROUP&#62;</xsl:text>
			<xsl:apply-templates/>
		<xsl:text disable-output-escaping="yes">
			&#60;&#47;TGROUP&#62;</xsl:text>
		</TABLE>
	</xsl:template>

	<xsl:template match="ROW">
			<xsl:choose>
				<xsl:when test="element-available('TH')">
					<THEAD>
						<xsl:apply-templates/>
					</THEAD>
				</xsl:when>
				<xsl:when test="element-available('CELL')">
					<TBODY>
						<xsl:apply-templates/>
					</TBODY>
				</xsl:when>
				<xsl:when test="element-available('TH')">
					<TFOOT>
						<xsl:apply-templates/>
					</TFOOT>
				</xsl:when>
			</xsl:choose>
	</xsl:template>

	<xsl:template match="TH | CELL | TF">
		<TROW>
			<TDATA>
				<xsl:apply-templates/>
			</TDATA>
		</TROW>
	</xsl:template>
However, this approach does not work. What am I doing wrong?

Matthias Fischer


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