Hi, all.
Would appreciate some help. I don't understand how these two definitions of a
variable produce different results. This is from the DITA Open Toolkit (OT).
1st alternate definition is without a condition:
<xsl:variable name="containingChapter"
select="ancestor-or-self::*[contains(@class, ' topic/topic
')][position()=last()]"/>
2nd alternate definition is with a condition, which is me fixing a bug in the
(OT).
<xsl:variable name="containingChapter">
<xsl:choose>
<xsl:when test="$hasBookParts"> <!-- The book has <part>s -->
<xsl:copy-of select="ancestor-or-self::*[contains(@class, '
topic/topic ')][last()-1]"/>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="ancestor-or-self::*[contains(@class, '
topic/topic ')][last()]"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
Both definitions should return a <topic> element with an id attribute.
Following the definition is this statement:
<xsl:variable name="id" select="$containingChapter/@id"/>
With the first definition, the value of id is a string, as desired. With the
2nd, it's empty. Bad. Why?
For the 1st definition, the Oxygen debugger gives the value type as
"element(1)". For the 2nd, it gives the value type as "document-node(1)". In
fact, if you look at the value of the variable in Oxygen's Nodes/Values Set
window, for the 1st definition it is:
topic
and for the 2nd, it is:
#document/fragment
topic
Can someone please advise?
Many thanks!
Steve
Steve Fogel | Information Architect, Oracle Database | 650.506.4914
Oracle Server Technologies Information Development
500 Oracle Parkway | M/S 4op1126 | Redwood Shores, CA 94065
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