Subject: [xsl] Trying to ignore specific tags with no content From: Paul Chernoff <pchernoff@xxxxxxxxxxxxxxxxx> Date: Thu, 2 Jun 2011 12:24:53 -0400 |
Despite doing XSLT work for the past few years I still feel like a novice. I have hit the wall on a specific problem which I should think would be easy to solve. BACKGROUND I am processing a XML file that I want to convert to HTML. Everything works fine unless there is an empty <strong /> tag in it. This happens because the source document originated from Adobe InCopy and in cutting a pasting a bold style that is applied to the space between characters is left in the document. My XSLT ends up creating a <strong /> tag in this case which is disliked by web browsers, they see this as a "begin strong tag" resulting in bolding that is never turned off. My XSLT is taking a intermediary XML file, not the XML generated directly from InCopy. MY CODE When I get to processing the contents of the document I use a bunch of xsl:template tags. I never know if any paragraphs will have strong, em, or br tags within it. Here is a snippet of the XML document being processed: <Main_Body> <strong>For the Quads</strong> </Main_Body> <Main_Body>Place one foot on a step or bench so the quadricep is parallel to the floor. Place the Stick on the top of the quadricep and slowly roll it on top of the muscle while applying pressure. Continue rolling for about 30 seconds. Switch legs and repeat.</Main_Body> Here is a snippet of the XSLT code: <xsl:template match="SubHead1" mode="inline"> <h4 class="headline"><xsl:apply-templates mode="inline"/></h4> </xsl:template> <xsl:template match="SubHead2" mode="inline"> <h5 class="subheadline"><xsl:apply-templates mode="inline"/></h5> </xsl:template> <xsl:template match="Main_Body" mode="inline"> <p><xsl:apply-templates mode="inline"/></p> </xsl:template> <xsl:template match="strong" mode="inline"> <strong><xsl:apply-templates mode="inline"/></strong> </xsl:template> <xsl:template match="em" mode="inline"> <em><xsl:apply-templates mode="inline"/></em> </xsl:template> <xsl:template match="a" mode="inline"> <xsl:copy-of select="." copy-namespaces="no"/> </xsl:template> <xsl:template match="br" mode="inline"> <br/> </xsl:template> My problem is that if 'match="strong"' and if the string of the strong tag is empty, I don't want to generate any results. I have attempted to use the xsl:if tag but it doesn't work because I am already in the contents of the <strong> tags. I have been attempting to put in some sort of conditional statement in the xsl:template when match="strong" to say 'if there is no content don't do anything'. I just can't think of any way of writing that. Or perhaps my approach is just wrong. Paul Chernoff Director of Information Technology Washingtonian Magazine
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