Subject: RE: [xsl] Detecting presence of attributes From: Rosa I-Ting Cheng <Rosa@xxxxxxxxxxxxx> Date: Mon, 5 Feb 2001 10:02:05 +1100 |
what u have only checks whether @foo has an attribute or not, it doesn't tell u whether @foo exists or not, so to test both u'll have to <xsl:if test="@foo='' or @foo"> hope that helps -----Original Message----- From: Peter Flynn [mailto:peter@xxxxxxxxxxx] Sent: Monday, 5 February 2001 9:22 AM To: XSL-List@xxxxxxxxxxxxxxxxxxxxxx Subject: [xsl] Detecting presence of attributes I'm having a problem with detection of the presence of attributes. If I say <xsl:if test="@foo=''"> then I would expect the condition to be true if (a) the attribute foo was specified but the value was the null string "", or (b) the attribute foo was not specified at all. xt does not appear to honor either. Is this a bug in xt, or have I missed some additional piece of syntax. What I want is the equivalent to Omnimark's condition `when attribute foo is specified'. A second problem arises with the position() function. In xt this appears only to work within an <xsl:for-each> loop, not in a node group instantiated by a match or select. Is this a bug or just my misreading? ///Peter XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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