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Re: Testing for following text()

Subject: Re: Testing for following text()
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
Date: Wed, 31 Oct 2007 13:20:44 -0400
Re:  Testing for following text()
At 2007-10-31 17:59 +0100, Sascha Mantscheff wrote:
How can I test if there is a text node following and restrict the test
to a certain parent element?

By comparing ancestors.

In the example I'd like to test if there is text following after the
<s/> element up to the enclosing end tag of the <b> element.

So, then, this <b> ancestor has to be common between the node you are at, and the nodes being inspected for being non-empty.

This test should fire at the first s element because of the following
BBB text, but not at the second s element in spite of the following AAA
The structure below the b element may contain any number of nesting
levels and element.

Which is why one is dealing with the ancestor.

I'd like to include the test in a template which tackles the s element,
like <xsl:template match="s[some-test]">

The solution below addresses this, by first filtering following text nodes for having the common ancestor, and then filtering those for being non-white-space-only.

It is using XSLT 1.0 ... you don't say which version you are using.

Note that on large data sets this may be slow because of the use of the following:: axis.

I hope this helps.

. . . . . . . . . . Ken

t:\ftemp>type sascha.xml

t:\ftemp>type sasha.xsl
<?xml version="1.0" encoding="US-ASCII"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"

<xsl:output method="text"/>

<xsl:template match="/">
  <xsl:for-each select="//s">
    <xsl:value-of select="position()"/>: <xsl:text/>
      <xsl:when test="following::text()[generate-id(ancestor::b[1])=

t:\ftemp>xslt sascha.xml sasha.xsl con
1: yes
2: no


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