Hi List,
I am still having trouble grasping some of the more subtle points of
XPath. Consider the following HTML:
...
<br><br>
<b>A</b>B<br>
...
<br><br>
C
<br><br>
<div>
...
Following the advice of Mukul Gandhi given me a few weeks ago, I use
match="br[local-name(preceding-sibling::node()[1]) = 'br'][1]" (I am
using xsltproc with the --html option, which I suspect is normalizing
the spaces so this is slightly modified from the sample given):
I then select the nodes following with
select="following-sibling::node()[normalize-space != '']" - this is then
passed into a template which which outputs the A and B elements (I
handle these explicitly, which may be cheating, because I can't figure
out how to stop at <br> and I know the format of the data).
This is all well and good, except that my output comes out like this:
<ul>
<li><label>A</label>B</li>
...
<li><label>C</label></li>
<b>A</b><br> ...
Currently, the selection of following siblings seems to select up to the
3rd <br> pair. This in itself is slightly odd, since I would have
thought it would select everything following at the same level, although
it appears to stop at the div tag, so perhaps the match ends there for
some pre-determined reason. In any case, I would like it to stop at the
second <br> tag pair - it seems like using a following-sibling rule
inside a predicate won't work easily since elements after the 2nd <br>
pair are followed by the 3rd <br> pair, so would still be included.
There must be some way to specify all following siblings up to <br><br>
and excluding anything after the <br><br> but the thought of what that
expression might look like is making my eyes glaze.
The other problem is the labels being output afterwards - it would seem
that this is matching where the previous template leaves off. I don't
understand why it outputs only the label and not the following data. Any
suggestions?
The relevant template:
<xsl:template match="br[local-name(preceding-sibling::node()[1]) = 'br'][1]">
<ul>
<xsl:call-template name="stat">
<xsl:with-param name="nodeset"
select="following-sibling::node()[normalize-space() != '']" />
</xsl:call-template>
</ul>
</xsl:template>
<xsl:template name="stat">
<xsl:param name="nodeset" />
<xsl:for-each select="$nodeset[position() mod 2 = 1]">
<li>
<label><xsl:value-of select="." /></label>
<xsl:value-of select="normalize-space(following-sibling::text())" />
</li>
</xsl:for-each>
</xsl:template>
Thanks in advance.
Duncan
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