Re: [xsl] XML overlap - processing a node-set defined by <s

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Subject: Re: XML overlap - processing a node-set defined by <start/> and <end/>
From: Svante Schubert <svante.schubert@xxxxxxxxx>
Date: Sat, 17 Feb 2007 21:29:36 +0100

James Fuller wrote:

u might want to take a look at lmnl

http://www.lmnl.net/

Thanks James, but I have to stick on XML, lmnl seems to have it's own none-XML syntax.

Meanwhile I found a paper about CLIX [1], which had worked out the start/end scenarios in more detail beyond the chapter 'Range ordering with and without co-located endpoints'. Until I found out more about the later mentioned validator build on Saxon, my XSLT related question is this:

Is the best (performant) way to work on the selection the following?

<xsl:variable name="precedingStarts" select="count(preceding::text:start)"/> <xsl:if test="$precedingStarts != 0"> <xsl:variable name="followingEnds" select="count(following::text:end)"/> <xsl:if test="$precedingStarts = $followingEnds">  </xsl:if> </xsl:if>

Is there any possibility to cache this?

I am thankful for any help,
Svante

[1] http://www.idealliance.org/papers/extreme/Proceedings/html/2004/DeRose01/EML2004DeRose01.html

gl, James Fuller

On 2/17/07, Svante Schubert <svante.schubert@xxxxxxxxx> wrote:

Imagine XML data, where continuous selection of data - randomly made by
the user - is being marked by using a <start/> and <end/> element.

For example:

<ex:paragraph>
    <ex:START/>
    <ex:span>
        Some text C..
    <ex:span>
</ex:paragraph>
<ex:paragraph>
    Some text D..
    <ex:END/>
    <ex:span>
        Some text F..
    <ex:span>
</ex:paragraph>


The desired nodes would be
    <ex:span>
        Some text C..
    <ex:span>
    Some text D..

Is there an easy way to process this kind of selection with XSLT?

Best regards,
Svante

Current Thread
XML overlap - processing a node-set defined by <start/> and <end/> Svante Schubert - 17 Feb 2007 16:41:53 -0000 James Fuller - 17 Feb 2007 17:48:49 -0000 Svante Schubert - 17 Feb 2007 20:30:20 -0000 <= James Fuller - 17 Feb 2007 21:59:49 -0000

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