Re: [xsl] Look ahead in xslt

Subject: Re: [xsl] Look ahead in xslt
From: omprakash.v@xxxxxxxxxxxxx
Date: Fri, 21 Jan 2005 16:57:53 +0530
        I get the message "namespace self used but not declared"  probably
because oraclexmlparserv2 doesn't support self function.

Do you know the oracle equivalent of this function. Also, I only said I
wanted to print the college's name as an example.
I only need to check if college element is present or not. The value to
print is already available.

for eg.

<xsl:if test="*[1][self::college]">
    <xsl:value-of select="$name"/>


                    Carlisle             To:     xsl-list@xxxxxxxxxxxxxxxxxxxxxx                                   
                    <davidc@xxxxx        cc:     (bcc: omprakash.v/Polaris)                                        
          >                Subject:     Re: [xsl] Look ahead in xslt                                 
                    04:43 PM                                                                                       
                    respond to                                                                                     

> I would like to check if the tag following university is 'college' or

XSLT has no access to the tags,  so it makes no sense to talk of
something following the university start tag. What you want is the first
element child which is *[1].

if(following tag == "college")
    print college name here
    do nothing

Could be written as

<xsl:if test="*[1][self::college]">
  <xsl:value-of slelect="college/name"/>

But really the test isn't needed you can just do

<xsl:value-of select="*[1][self::college]/name"/>

as that generates the string value of the name  child of the first child
of the current node if that is a college element, and the empty string

If you know that your input meeds a certain structure and college will
always be in that position if it is there at all you can simplify
further  and just do

<xsl:value-of select="college/name"/>


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