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RE: [xsl] Dumping a variable
Subject: RE: [xsl] Dumping a variable From: Marian Olteanu <mou_softwin@xxxxxxxxx> Date: Sun, 5 Dec 2004 18:49:48 -0800 (PST) |
--- Michael Kay <mike@xxxxxxxxxxxx> wrote: > > > > I have a variable, I'd like to dump the XML contained in that variable > > without applying any parsing (debugging purposes). > > I assume "dump" means "display" rather than "delete"? > > What do you mean by saying that the variable contains XML? In XSLT 1.0 a > variable can contain a node-set, or it can contain a string. In both cases > you can display the value of the variable using > > <xsl:message><xsl:copy-of select="$var"/></xsl:message> > > and no parsing will be involved. In fact, there is no way to invoke XML > parsing from standard XSLT, so I don't understand your concern. > > Michael Kay > http://www.saxonica.com/ > Note that the result of xsl:message differs from implementation to implementation. For example, MSXML silently discards your xsl:message that has no terminate="yes", so this solution would work only if you use it like: <xsl:message terminate="yes"><xsl:copy-of select="$var"/></xsl:message> This thing is stated at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/xmlsdk/html/xmrefxslmessageelement.asp : <<Attributes terminate Specifies whether the transformation should terminate upon executing this instruction. This attribute can have one of two string values: "yes" or "no". When the terminate attribute is set to "yes", the content of the element is displayed as the part of the system-level error message, and the transformation terminates. When it is set to "no", the transformation proceeds, ignoring the error message. The default value is "no". >> Another solution: dump your variable in the output file (if you output XML, not text): <variable-dump name="$var1"><xsl:copy-of select="$var1"/></variable-dump> ... <variable-dump name="$var2"><xsl:copy-of select="$var2"/></variable-dump> so later you can look into the output file and look for variable-dump elements. I recomend you to use this method conditionally: set a parameter of your XSLT file (i.e.: debug) and use like this: <xsl:if test="$debug"> <variable-dump name="$var1"><xsl:copy-of select="$var1"/></variable-dump> </xsl:if> This way, you can switch easily between debug mode and production mode. ===== Marian http://www.utdallas.edu/~mgo031000/ __________________________________ Do you Yahoo!? Yahoo! Mail - You care about security. So do we. http://promotions.yahoo.com/new_mail
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