Subject: Re: Debugging.... Conditionally including XML From: Jeni Tennison <mail@xxxxxxxxxxxxxxxx> Date: Mon, 13 Nov 2000 09:45:42 +0000 |
John, > I would like to be able to do something like this in my XML file... > <page> > <content>....</content> > if (debug = true) > Include a debug data file, which would contain the data and > item tags > else > The data and item tags will be returned to me. > </page> Probably the best way to approach this is to have a parameter called debugp that is by default 'false' and can be set to true when you call the processor from the command line. To set up the parameter: <xsl:param name="debugp" select="'false'" /> How you pass the value for the parameter into the stylesheet is dependent on the processor that you're using. With Saxon, for example, you'd use something like: saxon -a -o out.xml in.xml debugp=true Within the stylesheet, I would then set up a variable that is true() when $debugp is 'true' and false() when $debugp is 'false' - this is just to make testing for whether you're in debug mode easier: <xsl:variable name="debug" select="$debugp = 'true'" /> You can then conditionally add text when in debug mode using xsl:if or xsl:choose/xsl:when that test on the value of $debug: <xsl:if test="$debug"> <!-- add some debugging text --> </xsl:if> <xsl:choose> <xsl:when test="$debug"> <!-- text added when debugging --> </xsl:when> <xsl:otherwise> <!-- text added when not debugging --> </xsl:otherwise> </xsl:choose> To send the debugging information to the screen rather than into the output file, you can use xsl:message within the debugging sections (or outside them for messages that you always want to see). I hope that helps, Jeni --- Jeni Tennison http://www.jenitennison.com/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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