I have a followup to the thread from the other day on grouping and
sorting author-year bibliographies.
I managed to integrate Michael Kay's suggestion into my (rather
complicated) code, and even refined it by moving a lot of the more
complex logic into a series of functions (the real world example is
much more complicated than the example I posted).
I've now tried to adapt the same approach to the problem of the in-text
citations, which follow the same basic rules, where output should be
(Doe, 1999; Smith, 2000) or (Doe, 1999, 2000; Smith, 2001a, b). So,
again: multi-level grouping and sorting, with need to pass parameters
to know how to handle punctuation.
The problem is that the below code yields the following message with my
sample document:
<ref id="TimesP2001a" author-year_pos="1" shorten="false"/>
<ref id="Veer1996a" author-year_pos="1" shorten="false"/>
<ref id="Tilly2000a" author-year_pos="1" shorten="false"/> *
<ref id="Tilly2002a" author-year_pos="2" shorten="true"/> *
<ref id="NW2000-0207" author-year_pos="1" shorten="false"/> *
<ref id="NW2000-0424a" author-year_pos="1" shorten="false"/> *
<ref id="Tremblay2001a" author-year_pos="1" shorten="false"/>
<ref id="Thrift1990a" author-year_pos="1" shorten="false"/>
<ref id="Tilly2000a" author-year_pos="1" shorten="false"/>
The issue is that while the author-year position is being correctly
reported, the "shorten-author" parameter is not correctly reported (the
ref with the id of NW2000-0424a" should have @shorten="true" because it
is the second of two references in a citation with an "author" of
Newsweek).
The source is DocBook NG, and so the citations look like:
<citation>
<biblioref linkend="NW2000-0207"/>
<biblioref linkend="NW2000-0424a"/>
</citation>
Is there something obvious I'm doing wrong here? I've spent probably
five hours trying to figure this out, and haven't really made any
progress.
<xsl:template match="db:citation" mode="sort_citation_author-year">
<!-- store citation for future use; not sure I need this anymore,
but I did earlier -->
<xsl:variable name="citation" select="."/>
<xsl:variable name="idref" select="db:biblioref/@linkend"/>
<!-- $enhanced-biblist is a temporary tree that holds the grouped
and sorted data from earlier -->
<xsl:variable name="bibref"
select="$enhanced-biblist/mods:modsCollection/mods:mods[(_at_)ID=$idref]"/>
<!-- grouping on an attribute value added in the temporary tree -->
<xsl:for-each-group select="$bibref" group-by="@bib:sort-on">
<xsl:sort select="current-grouping-key()"/>
<xsl:variable name="bibrefs-for-author-sorted-by-year"
as="element(mods:mods)*">
<xsl:perform-sort select="current-group()">
<xsl:sort select="bib:year"/>
</xsl:perform-sort>
</xsl:variable>
<xsl:variable name="first-bibref-for-author"
as="element(mods:mods)"
select="$bibrefs-for-author-sorted-by-year[1]"/>
<xsl:for-each-group select="current-group()"
group-adjacent="bib:year">
<xsl:variable name="author-year_group_position"
select="position()"/>
<xsl:variable name="shorten-author" as="xs:boolean"
select="not(. is $first-bibref-for-author)"/>
<xsl:apply-templates select="current-group()"
mode="citation_author-year">
<xsl:with-param name="local-cite-style"
select="$local-cite-style"/>
<xsl:with-param name="author-year_group_position"
select="position()"/>
<xsl:with-param name="shorten-author"
select="$shorten-author"/>
</xsl:apply-templates>
</xsl:for-each-group>
</xsl:for-each-group>
</xsl:template>
<xsl:template match="*" mode="citation_author-year">
<xsl:param name="local-cite-style"/>
<xsl:param name="author-year_group_position"/>
<xsl:param name="shorten-author"/>
<xsl:message exclude-result-prefixes="xhtml">
<ref id="{(_at_)ID}" author-year_pos="{$author-year_group_position}"
shorten="{$shorten-author}"/>
</xsl:message>
<xsl:text>TEST</xsl:text>
<xsl:if test="$author-year_group_position != last()">, </xsl:if>
<xsl:if test="position() != last()">
<xsl:value-of select="$style-citation/cs:entry/@delimiter"/>
</xsl:if>
</xsl:template>
Bruce
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