Hi Martin,
That is fantastic, thank you very much! As you can see from my immediately
preceding email, I need something a little different. But with your solution
(which answered the original question), I can run a second pass to get what
I need (as stated in the last email). Thank you again for your generosity.
Rick
-----Original Message-----
From: Martin Honnen martin(_dot_)honnen(_at_)gmx(_dot_)de
[mailto:xsl-list-service(_at_)lists(_dot_)mulberrytech(_dot_)com]
Sent: Friday, January 27, 2017 9:58 AM
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] General algorithm for finding nodes between PIs
On 27.01.2017 15:24, Rick Quatro rick(_at_)rickquatro(_dot_)com wrote:
I modified my input document slightly:
<?xml version="1.0" encoding="UTF-8"?> <info>
<?Fm Condstart VbV-VCO?>
<p>For this, use <b>that </b>to do that.</p>
<?Fm Condend VbV-VCO?>
<p><?Fm Condstart USB?>If you need this, do that.<?Fm Condend
USB?></p>
<p>Outside paragraph.</p>
</info>
This is close, but I don't want to lose any elements from the output,
like the parents of the processing instructions (<info>, <p>). Also, I
am not picking up my last <p> element. Thank you for the generous help.
Here is an adaption that tries to keep all data and simply replaces any
pi(star/end) pair with a wrapper 'group' element:
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:xs="http://www.w3.org/2001/XMLSchema";
exclude-result-prefixes="xs" version="2.0">
<xsl:template match="@* | node()">
<xsl:copy>
<xsl:apply-templates select="@*, node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="
*[processing-instruction('Fm')[starts-with(.,
'Condstart')]]">
<xsl:copy>
<xsl:apply-templates select="@*"/>
<xsl:for-each-group select="node()"
group-starting-with="
processing-instruction('Fm')[starts-with(.,
'Condstart')]">
<xsl:choose>
<xsl:when
test="self::processing-instruction('Fm')[starts-with(.,
'Condstart')]">
<xsl:variable
name="pi-start-name" as="xs:string" select="."/>
<xsl:variable
name="pi-end-name" select="replace(., 'Condstart', 'Condend')"/>
<xsl:for-each-group
select="current-group() except ."
group-ending-with="processing-instruction('Fm')[. = $pi-end-name]">
<xsl:choose>
<xsl:when
test="
current-group()[last()][self::processing-instruction('Fm')[. =
$pi-end-name]]">
<group name="{$pi-start-name}">
<xsl:apply-templates
select="current-group()[position() ne last()]"/>
</group>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates
select="current-group()"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each-group>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>
so that gives me
<info>
<group name="Condstart VbV-VCO">
<p>For this, use <b>that </b>to do that.</p>
</group>
<p><group name="Condstart USB">If you need this, do
that.</group></p>
<p>Outside paragraph.</p>
</info>
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