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Re: [xsl] Re: Determining whether no single instance of a specific node exists
Subject: Re: [xsl] Re: Determining whether no single instance of a specific node exists From: Mark Peters <markpeters.work@xxxxxxxxx> Date: Fri, 5 Jun 2009 09:00:57 -0400 |
Hi Everyone, <xsl:when test="count(not(b/c)) >= 1"> This statement looks correct, but it isn't working for me. The statement filters the sets of <b/> nodes where the first node does not contain <c/>. But if the first <b/> node in the set contains a <c/>, then the set is not filtered. It looks like the count() function is only looking at the first <b/> node. I tried the following statement instead: <xsl:for-each select="attributeList/attribute"> <xsl:variable name="counter" select="count(not[notChangeable])"/> </xsl:for-each> <xsl:choose> <xsl:when test="$counter >= 1"> ... But the processor replied that $counter was not set. I tried test="not(b/c)" earlier, with the same results as the first statement in this email: The statement appears to filter on the first <b/> node in the set only. Thanks, Mark On Thu, Jun 4, 2009 at 2:37 PM, Michael Dykman<mdykman@xxxxxxxxx> wrote: > On Thu, Jun 4, 2009 at 2:27 PM, Mark Peters <markpeters.work@xxxxxxxxx> wrote: >> Sorry, my XSL examples weren't quite right. I'm trying to determine >> whether no instance of <c/> exists for each <b/> set. >> >> So, in my XSL document, assume I'm processing each <a/> node. >> >> 1, >> <xsl:when test="not(b/c)"> >> >> 2. >> <xsl:when test="count(not(b/c)) >= 1"> >> >> Thanks, >> Mark >> >> >> On Thu, Jun 4, 2009 at 2:20 PM, Mark Peters <markpeters.work@xxxxxxxxx> wrote: >>> Hi Everyone, >>> >>> I have the following XML document: >>> >>> <a> >>> <b/> >>> <b/> >>> <b/> >>> </a> >>> <a> >>> <b/> >>> <b/> >>> <b> >>> <c/> >>> </b> >>> >>> </a> >>> <a> >>> <b/> >>> <b/> >>> <b/> >>> </a> >>> >>> For each <b/> set, I want to apply a transformation only if no single >>> instance of <c/> exists. I know how to check whether a node does >>> exist, but not how to check whether no single instance of the node >>> exists. >>> >>> I've tried the following conditional statements without success: >>> >>> 1, >>> <xsl:when test="not(a/b/c)"> >>> >>> 2. >>> <xsl:when test="count(not(a/b/c)) >= 1"> >>> >>> >>> What conditional statement should I use? >>> >>> Thanks in advance for any help. >>> > > Are you looking for something along the line of > > <xsl:when test="not(count(b/c) >= 1)"> > ?? > -- > - michael dykman > - mdykman@xxxxxxxxx > > - All models are wrong. Some models are useful.
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