In this expression
<xsl:apply-templates select="*[. << procedure[1]]"/>
you've forgotten that the context changes inside the predicate. Assign
procedure[1] to a variable first, and it should be OK.
Another way of doing this, which also works in 1.0, is:
<prereq>
<xsl:apply-templates select="procedure/preceding-sibling::*"/>
</prereq>
<xsl:apply-templates select="./procedure"/>
<postreq>
<xsl:apply-templates select="procedure/following-sibling::*"/>
</postreq>
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: Anderson, Paul [mailto:Paul(_dot_)Anderson(_at_)compuware(_dot_)com]
Sent: 07 February 2007 22:53
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: [xsl] Xpath for a range of elements
Greetings,
Consider the following skeleton for an XML source file:
<section>
<title>...</title>
<para>...</para>
<code-block>...</code-block>
<para>...</para>
<procedure>...</procedure>
<para>...</para>
<screen>...</screen>
<para>...</para>
</section>
I need a Xpath expression that will return all nodes after
the <title> and before the <procedure> (i.e., from
section/para[1] through section/para[2]). Then I operate on
the <procedure>. Then I need another Xpath expression that
returns all the nodes after the procedure up to the end of
the <section> (i.e., from section/para[3] through
section/para[4]. The source documents vary enough that I do
not know in advance the number of elements or nature of the
elements before or after the <procedure>. I do, however, know
that there is always one (and only
one) <procedure>.
In my research, I came across the following thread on this
list
(http://www.biglist.com/lists/xsl-list/archives/200608/msg00043.html).
This thread appeared to hold the answer for me but I can't
make it work.
I saw that the solution was specific to Xpath 2.0 so I made
sure to upgrade to Saxon 8 and to update my scripts so that
they would work (e.g., migrate <xsl:document> to
<xsl:result-document>, etc.).
Here is an approximation of the template that matches the
section in the example above:
<xsl:template match="section">
<my-proc id="{(_at_)id}">
<xsl:element name="proc-title">
<xsl:value-of select="./title"/>
</xsl:element>
<xsl:element name="procbody">
<xsl:element name="prereq">
<xsl:apply-templates select="*[.
<< procedure[1]]"/>
</xsl:element>
<xsl:apply-templates select="./procedure"/>
<xsl:element name="postreq">
<xsl:apply-templates select="*[.
>> procedure[1]]"/>
</xsl:element>
</xsl:element>
</my-proc>
</xsl:template>
I must be making a simple mistake. Any assistance is appreciated.
Best regards,
Paul Anderson
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