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use a function similar to group-index to sort secundary and tertiary indexterms #50

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use a function similar to group-index to sort secundary and tertiary indexterms #50

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5c60289
use a function similar to group-index to sort secundary and tertiary …
hryom Sep 18, 2017
188bc11
missing namespace declarations added
hryom Sep 23, 2017
f224743
copy kosek indexterm templates to autoidx-kosek stylesheet files
hryom Jul 28, 2018
af40afe
Revert "missing namespace declarations added"
hryom Jul 28, 2018
24275b4
reverse kosek pollution of autoidx
hryom Jul 28, 2018
7c41373
use kosek mode on copied templates
hryom Jul 28, 2018
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153 changes: 153 additions & 0 deletions xsl/common/autoidx-kosek.xsl
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Original file line number Diff line number Diff line change
Expand Up @@ -150,4 +150,157 @@
match="d:indexterm"
use="i:group-index(&primary;)"/>

<func:function name="i:term-index">
<xsl:param name="term"/>

<xsl:variable name="letters-rtf">
<xsl:variable name="lang">
<xsl:call-template name="l10n.language"/>
</xsl:variable>

<xsl:variable name="local.l10n.letters"
select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:letters)[1]"/>

<xsl:for-each select="$l10n.xml">
<xsl:variable name="l10n.letters"
select="document(key('l10n-lang', $lang)/@href)/l:l10n/l:letters[1]"/>

<xsl:choose>
<xsl:when test="count($local.l10n.letters) &gt; 0">
<xsl:copy-of select="$local.l10n.letters"/>
</xsl:when>
<xsl:when test="count($l10n.letters) &gt; 0">
<xsl:copy-of select="$l10n.letters"/>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>No "</xsl:text>
<xsl:value-of select="$lang"/>
<xsl:text>" localization of index grouping letters exists</xsl:text>
<xsl:choose>
<xsl:when test="$lang = 'en'">
<xsl:text>.</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>; using "en".</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:message>
<xsl:copy-of select="document(key('l10n-lang', 'en'))/l:l10n/l:letters[1]"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:variable>

<xsl:variable name="letters" select="exslt:node-set($letters-rtf)/*"/>

<xsl:variable name="normalize.sort">
<xsl:variable name="lang">
<xsl:call-template name="l10n.language"/>
</xsl:variable>

<xsl:variable name="local.l10n.normalize.sort" select="($local.l10n.xml//l:i18n/l:l10n[@language=$lang]/l:gentext[starts-with(@key, 'normalize.sort')])"/>

<xsl:for-each select="$l10n.xml">
<xsl:variable name="l10n.normalize.sort" select="document(key('l10n-lang', $lang)/@href)/l:l10n/l:gentext[starts-with(@key, 'normalize.sort')]"/>

<xsl:choose>
<xsl:when test="count($local.l10n.normalize.sort) &gt; 0">
<xsl:copy-of select="$local.l10n.normalize.sort"/>
</xsl:when>
<xsl:when test="count($l10n.normalize.sort) &gt; 0">
<xsl:copy-of select="$l10n.normalize.sort"/>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>No "</xsl:text>
<xsl:value-of select="$lang"/>
<xsl:text>" normalizing translate strings exists</xsl:text>
<xsl:choose>
<xsl:when test="$lang = 'en'">
<xsl:text>.</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>; using "en".</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:message>
<xsl:copy-of select="document(key('l10n-lang', 'en')/@href)/l:l10n/l:gentext[starts-with(@key, 'normalize.sort.input')]"/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:variable>

<xsl:variable name="normalize.sort.input">
<xsl:value-of select="exslt:node-set($normalize.sort)/l:gentext[@key = 'normalize.sort.input']/@text"/>
</xsl:variable>
<xsl:variable name="normalize.sort.output">
<xsl:value-of select="exslt:node-set($normalize.sort)/l:gentext[@key = 'normalize.sort.output']/@text"/>
</xsl:variable>

<xsl:variable name="term-index">
<xsl:call-template name="calculate-term-index">
<xsl:with-param name="term" select="$term"/>
<xsl:with-param name="term-index" select="' '"/>
<xsl:with-param name="letters" select="$letters"/>
<xsl:with-param name="normalize.sort.input" select="$normalize.sort.input"/>
<xsl:with-param name="normalize.sort.output" select="$normalize.sort.output"/>
</xsl:call-template>
</xsl:variable>

<func:result select="normalize-space($term-index)"/>
</func:function>

<xsl:template name="calculate-term-index">
<xsl:param name="term"/>
<xsl:param name="term-index"/>
<xsl:param name="letters"/>
<xsl:param name="normalize.sort.input"/>
<xsl:param name="normalize.sort.output"/>

<xsl:variable name="firstletterinterm" select="substring($term, 1, 1)"/>
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In some languages two characters are treated as one letter for purposes of sorting, for example "ch" in Czech. I don't think your code can handle this situation.

<xsl:variable name="firstletterindex">
<xsl:choose>
<xsl:when test="$letters/l:l[. = $firstletterinterm]/@i">
<xsl:variable name="indexnumber" select="$letters/l:l[. = $firstletterinterm]/@i"/>
<xsl:if test="$indexnumber &lt; 10">
<xsl:text>0</xsl:text>
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Why zero is returned if number from lookup table is smaller then 10? There are localization files using numbers <10 for normal characters.

</xsl:if>
<xsl:value-of select="$indexnumber"/>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="tmpc" select="translate($firstletterinterm, $normalize.sort.input, $normalize.sort.output)"/>
<xsl:choose>
<xsl:when test="$letters/l:l[. = $tmpc]/@i">
<xsl:variable name="indexnumber" select="$letters/l:l[. = $tmpc]/@i"/>
<xsl:if test="$indexnumber &lt; 10">
<xsl:text>0</xsl:text>
</xsl:if>
<xsl:value-of select="$indexnumber"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$firstletterinterm"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="restofterm" select="substring-after($term, $firstletterinterm)"/>

<xsl:choose>
<xsl:when test="$restofterm != ''">
<xsl:call-template name="calculate-term-index">
<xsl:with-param name="term" select="$restofterm"/>
<xsl:with-param name="term-index" select="concat($term-index, ' ', $firstletterindex)"/>
<xsl:with-param name="letters" select="$letters"/>
<xsl:with-param name="normalize.sort.input" select="$normalize.sort.input"/>
<xsl:with-param name="normalize.sort.output" select="$normalize.sort.output"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat($term-index, ' ', $firstletterindex)"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>

</xsl:stylesheet>
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