Subject: [xsl] Conditional expressions using optional attributes/elements From: William Bagby <williamb@xxxxxxxxx> Date: Mon, 13 Aug 2001 09:23:56 -0400 |
Greetings. I have two related problems. Problem 1: I have an element which has optional attributes, and I want to test the values of these attributes. Here's the DTD for the element: <!ELEMENT my-element (#PCDATA)> <!ATTLIST my-element enabled (true|false) #IMPLIED override (true|false) #IMPLIED > and I have the following XSL: <xsl:template match="my-element"> <xsl:if test="@enabled != 'false' and @override != 'false'"> <!-- do something --> </xsl:if> </xsl:template> But if the attributes are not defined, it doesn't act as expected. Problem 2: I have an element which has optional *elements*, and I want to test the values of attributes of these elements. Here's the DTD: <!ELEMENT my-element (enabled*, override*)> <!ATTLIST enabled value (true|false) #IMPLIED > <!ATTLIST override value (true|false) #IMPLIED > and I have the following XSL: <xsl:template match="my-element"> <xsl:if test="enabled/@value != 'false' and override/@value != 'false'"> <!-- do something --> </xsl:if> </xsl:template> But if the *elements* are not defined, it doesn't act as expected. What am I doing wrong? Thanks in advance... William Bagby. XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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