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Mark Eisenberg

Subject: Problem with position() and last()
Author: Mark Eisenberg
Date: 26 Jan 2007 03:22 PM
Originally Posted: 26 Jan 2007 03:10 PM

Here's a snippet of an XML file containing table data:

<tbody>
<row rowsep="1">
<entry valign="top" colname="C1"><p id="c00p000810">&abreve;</p></entry>
<entry valign="top" colname="C2"><p id="c00p000820"><emph type="2">hat</emph> [h&abreve;t]</p></entry>
</row>
<row rowsep="1">
<entry valign="top" colname="C1"><p id="c00p000830">&amacron; <emph type="2">or ay</emph></p></entry>
<entry valign="top" colname="C2"><p id="c00p000840"><emph type="2">hate</emph> [h&amacron;te], <emph type="2">trait</emph> [trayt]</p></entry>
</row>
</tbody>

And the code I am currently debugging:

<xsl:template match="row">
<xsl:if test="contains(name(..),'tbody')" >
<xsl:apply-templates/>
<xsl:choose>
<xsl:when test="(position() mod 5) = 0">
<xsl:text> </xsl:text>
</xsl:when>
<xsl:otherwise>
<p/>
</xsl:otherwise>
</xsl:choose>
<xsl:call-template name="linebreak" />
</xsl:if>
</xsl:template>

<xsl:template match="entry">
<xsl:if test="contains(name(../..),'tbody')" >
<xsl:variable name="entry-colname" select="@colname"/>
<xsl:variable name="column-header" select="ancestor::tgroup/thead/row/entry[@colname = $entry-colname]/p/text()"/>
<xsl:if test="string-length($column-header)>0">
<xsl:value-of select="$column-header" />
<xsl:text>: </xsl:text>
</xsl:if>
<xsl:value-of select="name(.)" />
<xsl:value-of select="position()"/>
<xsl:value-of select="last()"/>
<xsl:apply-templates />
<xsl:if test="position() != last()">
<br/>
</xsl:if>
</xsl:if>
</xsl:template>

Sample output from the Built-in XSLT processor:

symbols: {entry25{<br/>examples: hat [h{t]entry45<i>hat</i>[h{t]<br/><p/>
symbols: eI or ayentry25eI<i>or ay</i><br/>examples: hate [heIte], trait [trayt]entry45<i>hate</i>[heIte],<i>trait</i>[trayt]<br/><p/>

Sample output from Saxon 8.7.1:

symbols: {entry12{<br/>examples: hat [h{t]entry22<i>hat</i>[h{t]<p/>
symbols: eI or ayentry12eI<i>or ay</i><br/>examples: hate [heIte], trait [trayt]entry22<i>hate</i>[heIte],<i>trait</i>[trayt]<p/>

------------------------------------------------------------
Why does the built-in processor return 2 & 4 for position() and 5 for last()?

Thanks,
Mark

Mark Eisenberg

Subject: Problem with position() and last()
Author: Mark Eisenberg
Date: 28 Jan 2007 04:16 PM

Further investigation leads me to conclude that the issue I have raised above is being caused by whitespace in the <row> nodes. I have a strip-space directive in my XSLT so all of this should be gone. I understand that the built-in processor does not support strip space so I have been working with the .NET processor because it is way faster than the Saxon processor. This processor strips some of the white space, but not all.

Any thoughts?

Thanks,
Mark

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