Show olink.xsl syntax highlighted
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<!-- Create keys for quickly looking up olink targets -->
<xsl:key name="targetdoc-key" match="document" use="@targetdoc" />
<xsl:key name="targetptr-key" match="div|obj"
use="concat(ancestor::document/@targetdoc, '/',
@targetptr, '/', ancestor::document/@lang)" />
<!-- Return filename of database -->
<xsl:template name="select.target.database">
<xsl:param name="targetdoc.att" select="''"/>
<xsl:param name="targetptr.att" select="''"/>
<xsl:param name="olink.lang" select="''"/>
<!-- use root's xml:base if exists -->
<xsl:variable name="xml.base" select="/*/@xml:base"/>
<!-- This selection can be customized if needed -->
<xsl:variable name="target.database.filename">
<xsl:choose>
<xsl:when test="$xml.base != '' and
not(starts-with($target.database.document, 'file:/')) and
not(starts-with($target.database.document, '/'))">
<xsl:call-template name="systemIdToBaseURI">
<xsl:with-param name="systemId" select="$xml.base"/>
</xsl:call-template>
<xsl:value-of select="$target.database.document"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$target.database.document"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="target.database"
select="document($target.database.filename,/)"/>
<xsl:choose>
<!-- Was the database document parameter not set? -->
<xsl:when test="$target.database.document = ''">
<xsl:message>
<xsl:text>Olinks not processed: must specify a </xsl:text>
<xsl:text>$target.database.document parameter </xsl:text>
<xsl:text>when using olinks with targetdoc </xsl:text>
<xsl:text>and targetptr attributes.</xsl:text>
</xsl:message>
</xsl:when>
<!-- Did it not open? Should be a targetset element -->
<xsl:when test="not($target.database/*)">
<xsl:message>
<xsl:text>Olink error: could not open target database '</xsl:text>
<xsl:value-of select="$target.database.filename"/>
<xsl:text>'.</xsl:text>
</xsl:message>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$target.database.filename"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="select.olink.key">
<xsl:param name="targetdoc.att" select="''"/>
<xsl:param name="targetptr.att" select="''"/>
<xsl:param name="olink.lang" select="''"/>
<xsl:param name="target.database"/>
<xsl:if test="$target.database/*">
<xsl:variable name="olink.fallback.sequence">
<xsl:call-template name="select.olink.lang.fallback">
<xsl:with-param name="olink.lang" select="$olink.lang"/>
</xsl:call-template>
</xsl:variable>
<!-- Recurse through the languages until you find a match -->
<xsl:call-template name="select.olink.key.in.lang">
<xsl:with-param name="targetdoc.att" select="$targetdoc.att"/>
<xsl:with-param name="targetptr.att" select="$targetptr.att"/>
<xsl:with-param name="olink.lang" select="$olink.lang"/>
<xsl:with-param name="target.database" select="$target.database"/>
<xsl:with-param name="fallback.index" select="1"/>
<xsl:with-param name="olink.fallback.sequence"
select="$olink.fallback.sequence"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<!-- Locate olink key in a particular language -->
<xsl:template name="select.olink.key.in.lang">
<xsl:param name="targetdoc.att" select="''"/>
<xsl:param name="targetptr.att" select="''"/>
<xsl:param name="olink.lang" select="''"/>
<xsl:param name="target.database"/>
<xsl:param name="fallback.index" select="1"/>
<xsl:param name="olink.fallback.sequence" select="''"/>
<xsl:variable name="target.lang">
<xsl:call-template name="select.target.lang">
<xsl:with-param name="fallback.index" select="$fallback.index"/>
<xsl:with-param name="olink.fallback.sequence"
select="$olink.fallback.sequence"/>
</xsl:call-template>
</xsl:variable>
<xsl:if test="$olink.debug != 0">
<xsl:message><xsl:text>Olink debug: cases for targetdoc='</xsl:text>
<xsl:value-of select="$targetdoc.att"/>
<xsl:text>' and targetptr='</xsl:text>
<xsl:value-of select="$targetptr.att"/>
<xsl:text>' in language '</xsl:text>
<xsl:value-of select="$target.lang"/>
<xsl:text>'.</xsl:text>
</xsl:message>
</xsl:if>
<!-- Customize these cases if you want different selection logic -->
<xsl:variable name="CaseA">
<!-- targetdoc.att = not blank
targetptr.att = not blank
-->
<xsl:if test="$targetdoc.att != '' and
$targetptr.att != ''">
<xsl:for-each select="$target.database">
<xsl:variable name="key"
select="concat($targetdoc.att, '/',
$targetptr.att, '/',
$target.lang)"/>
<xsl:choose>
<xsl:when test="key('targetptr-key', $key)/@href != ''">
<xsl:value-of select="$key"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>Olink debug: CaseA matched.</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$olink.debug != 0">
<xsl:message>Olink debug: CaseA NOT matched</xsl:message>
</xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:if>
</xsl:variable>
<xsl:variable name="CaseB">
<!-- targetdoc.att = not blank
targetptr.att = not blank
prefer.internal.olink = not zero
current.docid = not blank
-->
<xsl:if test="$targetdoc.att != '' and
$targetptr.att != '' and
$current.docid != '' and
$prefer.internal.olink != 0">
<xsl:for-each select="$target.database">
<xsl:variable name="key"
select="concat($current.docid, '/',
$targetptr.att, '/',
$target.lang)"/>
<xsl:choose>
<xsl:when test="key('targetptr-key', $key)/@href != ''">
<xsl:value-of select="$key"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>Olink debug: CaseB matched.</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$olink.debug != 0">
<xsl:message>Olink debug: CaseB NOT matched</xsl:message>
</xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:if>
</xsl:variable>
<xsl:variable name="CaseC">
<!-- targetdoc.att = blank
targetptr.att = not blank
current.docid = not blank
-->
<xsl:if test="string-length($targetdoc.att) = 0 and
$targetptr.att != '' and
$current.docid != ''">
<!-- Must use a for-each to change context for keys to work -->
<xsl:for-each select="$target.database">
<xsl:variable name="key"
select="concat($current.docid, '/',
$targetptr.att, '/',
$target.lang)"/>
<xsl:choose>
<xsl:when test="key('targetptr-key', $key)/@href != ''">
<xsl:value-of select="$key"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>Olink debug: CaseC matched.</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$olink.debug != 0">
<xsl:message>Olink debug: CaseC NOT matched.</xsl:message>
</xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:if>
</xsl:variable>
<xsl:variable name="CaseD">
<!-- targetdoc.att = blank
targetptr.att = not blank
current.docid = blank
-->
<!-- This is possible if only one document in the database -->
<xsl:if test="string-length($targetdoc.att) = 0 and
$targetptr.att != '' and
string-length($current.docid) = 0 and
count($target.database//document) = 1">
<xsl:for-each select="$target.database">
<xsl:variable name="key"
select="concat(.//document/@targetdoc, '/',
$targetptr.att, '/',
$target.lang)"/>
<xsl:choose>
<xsl:when test="key('targetptr-key', $key)/@href != ''">
<xsl:value-of select="$key"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>Olink debug: CaseD matched.</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$olink.debug != 0">
<xsl:message>Olink debug: CaseD NOT matched</xsl:message>
</xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:if>
</xsl:variable>
<xsl:variable name="CaseE">
<!-- targetdoc.att = not blank
targetptr.att = blank
-->
<xsl:if test="$targetdoc.att != '' and
string-length($targetptr.att) = 0">
<!-- Try the document's root element id -->
<xsl:variable name="rootid">
<xsl:choose>
<xsl:when test="$target.lang != ''">
<xsl:value-of select="$target.database//document[@targetdoc = $targetdoc.att and @lang = $target.lang]/*[1]/@targetptr"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$target.database//document[@targetdoc = $targetdoc.att and not(@lang)]/*[1]/@targetptr"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:for-each select="$target.database">
<xsl:variable name="key"
select="concat($targetdoc.att, '/',
$rootid, '/',
$target.lang)"/>
<xsl:choose>
<xsl:when test="key('targetptr-key', $key)/@href != ''">
<xsl:value-of select="$key"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>Olink debug: CaseE matched.</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$olink.debug != 0">
<xsl:message>Olink debug: CaseE NOT matched.</xsl:message>
</xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:if>
</xsl:variable>
<xsl:variable name="CaseF">
<!-- targetdoc.att = not blank
targetptr.att = blank
prefer.internal.olink = not zero
current.docid = not blank
-->
<xsl:if test="$targetdoc.att != '' and
string-length($targetptr.att) = 0 and
$current.docid != '' and
$prefer.internal.olink != 0">
<!-- Try the document's root element id -->
<xsl:variable name="rootid">
<xsl:choose>
<xsl:when test="$target.lang != ''">
<xsl:value-of select="$target.database//document[@targetdoc = $current.docid and @lang = $target.lang]/*[1]/@targetptr"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$target.database//document[@targetdoc = $current.docid and not(@lang)]/*[1]/@targetptr"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:for-each select="$target.database">
<xsl:variable name="key"
select="concat($current.docid, '/',
$rootid, '/',
$target.lang)"/>
<xsl:choose>
<xsl:when test="key('targetptr-key', $key)/@href != ''">
<xsl:value-of select="$key"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>Olink debug: CaseF matched.</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$olink.debug != 0">
<xsl:message>Olink debug: CaseF NOT matched.</xsl:message>
</xsl:when>
</xsl:choose>
</xsl:for-each>
</xsl:if>
</xsl:variable>
<!-- Now select the best match. Customize the order if needed -->
<xsl:variable name="selected.key">
<xsl:choose>
<xsl:when test="$CaseB != ''">
<xsl:value-of select="$CaseB"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: CaseB key is the final selection: </xsl:text>
<xsl:value-of select="$CaseB"/>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$CaseA != ''">
<xsl:value-of select="$CaseA"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: CaseA key is the final selection: </xsl:text>
<xsl:value-of select="$CaseA"/>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$CaseC != ''">
<xsl:value-of select="$CaseC"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: CaseC key is the final selection: </xsl:text>
<xsl:value-of select="$CaseC"/>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$CaseD != ''">
<xsl:value-of select="$CaseD"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: CaseD key is the final selection: </xsl:text>
<xsl:value-of select="$CaseD"/>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$CaseF != ''">
<xsl:value-of select="$CaseF"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: CaseF key is the final selection: </xsl:text>
<xsl:value-of select="$CaseF"/>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$CaseE != ''">
<xsl:value-of select="$CaseE"/>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: CaseE key is the final selection: </xsl:text>
<xsl:value-of select="$CaseE"/>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:otherwise>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: No case matched for lang '</xsl:text>
<xsl:value-of select="$target.lang"/>
<xsl:text>'.</xsl:text>
</xsl:message>
</xsl:if>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:choose>
<xsl:when test="$selected.key != ''">
<xsl:value-of select="$selected.key"/>
</xsl:when>
<xsl:when test="string-length($selected.key) = 0 and
string-length($target.lang) = 0">
<!-- No match on last try, and we are done -->
</xsl:when>
<xsl:otherwise>
<!-- Recurse through next language -->
<xsl:call-template name="select.olink.key.in.lang">
<xsl:with-param name="targetdoc.att" select="$targetdoc.att"/>
<xsl:with-param name="targetptr.att" select="$targetptr.att"/>
<xsl:with-param name="olink.lang" select="$olink.lang"/>
<xsl:with-param name="target.database" select="$target.database"/>
<xsl:with-param name="fallback.index" select="$fallback.index + 1"/>
<xsl:with-param name="olink.fallback.sequence"
select="$olink.fallback.sequence"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="select.target.lang">
<xsl:param name="fallback.index" select="1"/>
<xsl:param name="olink.fallback.sequence" select="''"/>
<!-- recurse backwards to find the lang matching the index -->
<xsl:variable name="firstlang"
select="substring-before($olink.fallback.sequence, ' ')"/>
<xsl:variable name="rest"
select="substring-after($olink.fallback.sequence, ' ')"/>
<xsl:choose>
<xsl:when test="$fallback.index = 1">
<xsl:value-of select="$firstlang"/>
</xsl:when>
<xsl:when test="$fallback.index > 1">
<xsl:call-template name="select.target.lang">
<xsl:with-param name="fallback.index" select="$fallback.index - 1"/>
<xsl:with-param name="olink.fallback.sequence"
select="$rest"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="select.olink.lang.fallback">
<xsl:param name="olink.lang" select="''"/>
<!-- Prefer language of the olink element -->
<xsl:value-of select="concat(normalize-space(concat($olink.lang, ' ',
$olink.lang.fallback.sequence)), ' ')"/>
</xsl:template>
<!-- Returns the complete olink href value if found -->
<xsl:template name="make.olink.href">
<xsl:param name="olink.key" select="''"/>
<xsl:param name="target.database"/>
<xsl:if test="$olink.key != ''">
<xsl:variable name="target.href" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/@href" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="targetdoc">
<xsl:value-of select="substring-before($olink.key, '/')"/>
</xsl:variable>
<!-- Does the target database use a sitemap? -->
<xsl:variable name="use.sitemap">
<xsl:choose>
<xsl:when test="$target.database//sitemap">1</xsl:when>
<xsl:otherwise>0</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- Get the baseuri for this targetptr -->
<xsl:variable name="baseuri" >
<xsl:choose>
<!-- Does the database use a sitemap? -->
<xsl:when test="$use.sitemap != 0" >
<xsl:choose>
<!-- Was current.docid parameter set? -->
<xsl:when test="$current.docid != ''">
<!-- Was it found in the database? -->
<xsl:variable name="currentdoc.key" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetdoc-key',
$current.docid)/@targetdoc" />
</xsl:for-each>
</xsl:variable>
<xsl:choose>
<xsl:when test="$currentdoc.key != ''">
<xsl:for-each select="$target.database" >
<xsl:call-template name="targetpath" >
<xsl:with-param name="dirnode"
select="key('targetdoc-key', $current.docid)/parent::dir"/>
<xsl:with-param name="targetdoc" select="$targetdoc"/>
</xsl:call-template>
</xsl:for-each >
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>Olink error: cannot compute relative </xsl:text>
<xsl:text>sitemap path because $current.docid '</xsl:text>
<xsl:value-of select="$current.docid"/>
<xsl:text>' not found in target database.</xsl:text>
</xsl:message>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>Olink warning: cannot compute relative </xsl:text>
<xsl:text>sitemap path without $current.docid parameter</xsl:text>
</xsl:message>
</xsl:otherwise>
</xsl:choose>
<!-- In either case, add baseuri from its document entry-->
<xsl:variable name="docbaseuri">
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetdoc-key', $targetdoc)/@baseuri" />
</xsl:for-each>
</xsl:variable>
<xsl:if test="$docbaseuri != ''" >
<xsl:value-of select="$docbaseuri"/>
</xsl:if>
</xsl:when>
<!-- No database sitemap in use -->
<xsl:otherwise>
<!-- Just use any baseuri from its document entry -->
<xsl:variable name="docbaseuri">
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetdoc-key', $targetdoc)/@baseuri" />
</xsl:for-each>
</xsl:variable>
<xsl:if test="$docbaseuri != ''" >
<xsl:value-of select="$docbaseuri"/>
</xsl:if>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- Form the href information -->
<xsl:if test="$baseuri != ''">
<xsl:value-of select="$baseuri"/>
<xsl:if test="substring($target.href,1,1) != '#'">
<!--xsl:text>/</xsl:text-->
</xsl:if>
</xsl:if>
<!-- optionally turn off frag for PDF references -->
<xsl:if test="not($insert.olink.pdf.frag = 0 and
translate(substring($baseuri, string-length($baseuri) - 3),
'PDF', 'pdf') = '.pdf'
and starts-with($target.href, '#') )">
<xsl:value-of select="$target.href"/>
</xsl:if>
</xsl:if>
</xsl:template>
<!-- Computes the href of the object containing the olink element -->
<xsl:template name="olink.from.uri">
<xsl:param name="target.database"/>
<xsl:param name="object" select="NotAnElement"/>
<xsl:param name="object.targetdoc" select="$current.docid"/>
<xsl:param name="object.lang"
select="concat($object/ancestor::*[last()]/@lang,
$object/ancestor::*[last()]/@xml:lang)"/>
<xsl:variable name="parent.id">
<xsl:call-template name="object.id">
<xsl:with-param name="object" select="$object"/>
</xsl:call-template>
</xsl:variable>
<!-- Get the olink key for the parent of olink element -->
<xsl:variable name="from.key">
<xsl:call-template name="select.olink.key">
<xsl:with-param name="targetdoc.att" select="$object.targetdoc"/>
<xsl:with-param name="targetptr.att" select="$parent.id"/>
<xsl:with-param name="olink.lang" select="$object.lang"/>
<xsl:with-param name="target.database" select="$target.database"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="from.olink.href">
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $from.key)/@href" />
</xsl:for-each>
</xsl:variable>
<xsl:choose>
<!-- we found the olink object -->
<xsl:when test="$from.olink.href != ''">
<xsl:value-of select="$from.olink.href"/>
</xsl:when>
<xsl:when test="not($object/parent::*)">
<xsl:value-of select="$from.olink.href"/>
</xsl:when>
<xsl:otherwise>
<!-- recurse upward in current document -->
<xsl:call-template name="olink.from.uri">
<xsl:with-param name="target.database" select="$target.database"/>
<xsl:with-param name="object" select="$object/parent::*"/>
<xsl:with-param name="object.targetdoc" select="$object.targetdoc"/>
<xsl:with-param name="object.lang" select="$object.lang"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="olink.hottext">
<xsl:param name="target.database"/>
<xsl:param name="olink.lang" select="''"/>
<xsl:param name="olink.key" select="''"/>
<xsl:param name="referrer" select="."/>
<xsl:param name="xrefstyle">
<xsl:choose>
<xsl:when test="@role and not(@xrefstyle)
and $use.role.as.xrefstyle != 0">
<xsl:value-of select="@role"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@xrefstyle"/>
</xsl:otherwise>
</xsl:choose>
</xsl:param>
<xsl:choose>
<!-- If it has elements or text (not just PI or comment) -->
<xsl:when test="child::text() or child::*">
<xsl:apply-templates/>
</xsl:when>
<xsl:when test="$olink.key != ''">
<!-- Get the xref text for this record -->
<xsl:variable name="xref.text" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/xreftext" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="xref.number" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/@number" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="target.elem" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/@element" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="lang">
<xsl:variable name="candidate">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetptr-key', $olink.key)/@lang" />
</xsl:for-each>
</xsl:variable>
<xsl:choose>
<xsl:when test="$candidate != ''">
<xsl:value-of select="$candidate"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$olink.lang"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="targetdoc">
<xsl:value-of select="substring-before($olink.key, '/')"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="$xrefstyle != '' and
starts-with(normalize-space($xrefstyle), 'select:') and
(contains($xrefstyle, 'nodocname') or
contains($xrefstyle, 'nopage')) and
not(contains($xrefstyle, 'title')) and
not(contains($xrefstyle, 'label'))">
<xsl:value-of select="$xref.text"/>
</xsl:when>
<xsl:when test="$xrefstyle != ''">
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>xrefstyle is '</xsl:text>
<xsl:value-of select="$xrefstyle"/>
<xsl:text>'.</xsl:text>
</xsl:message>
</xsl:if>
<xsl:variable name="template">
<xsl:choose>
<xsl:when test="starts-with(normalize-space($xrefstyle),
'select:')">
<xsl:call-template name="make.gentext.template">
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
<xsl:with-param name="purpose" select="'olink'"/>
<xsl:with-param name="referrer" select="."/>
<xsl:with-param name="target.elem" select="$target.elem"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="starts-with(normalize-space($xrefstyle),
'template:')">
<xsl:value-of select="substring-after(
normalize-space($xrefstyle), 'template:')"/>
</xsl:when>
<xsl:otherwise>
<!-- Look for Gentext template with @style attribute -->
<!-- Must compare to no style value because gentext.template
falls back to no style -->
<xsl:variable name="xref-context">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context" select="'xref'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="styled-xref-context">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context" select="'xref'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="xref-number-context">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context" select="'xref-number'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="styled-xref-number-context">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context" select="'xref-number'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="xref-number-and-title-context">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context"
select="'xref-number-and-title'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="styled-xref-number-and-title-context">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context"
select="'xref-number-and-title'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
</xsl:call-template>
</xsl:variable>
<xsl:choose>
<xsl:when test="$xref-number-and-title-context !=
$styled-xref-number-and-title-context and
$xref.number != '' and
$xref.with.number.and.title != 0">
<xsl:value-of
select="$styled-xref-number-and-title-context"/>
</xsl:when>
<xsl:when test="$xref-number-context !=
$styled-xref-number-context and
$xref.number != ''">
<xsl:value-of select="$styled-xref-number-context"/>
</xsl:when>
<xsl:when test="$xref-context != $styled-xref-context">
<xsl:value-of select="$styled-xref-context"/>
</xsl:when>
<xsl:when test="$xref-number-and-title-context != '' and
$xref.number != '' and
$xref.with.number.and.title != 0">
<xsl:value-of
select="$xref-number-and-title-context"/>
<xsl:if test="$olink.debug">
<xsl:message>
<xsl:text>Olink error: no gentext template</xsl:text>
<xsl:text> exists for xrefstyle '</xsl:text>
<xsl:value-of select="$xrefstyle"/>
<xsl:text>' for element '</xsl:text>
<xsl:value-of select="$target.elem"/>
<xsl:text>' in language '</xsl:text>
<xsl:value-of select="$lang"/>
<xsl:text>' in context 'xref-number-and-title</xsl:text>
<xsl:text>'. Using template without @style.</xsl:text>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$xref-number-context != '' and
$xref.number != ''">
<xsl:value-of select="$xref-number-context"/>
<xsl:if test="$olink.debug">
<xsl:message>
<xsl:text>Olink error: no gentext template</xsl:text>
<xsl:text> exists for xrefstyle '</xsl:text>
<xsl:value-of select="$xrefstyle"/>
<xsl:text>' for element '</xsl:text>
<xsl:value-of select="$target.elem"/>
<xsl:text>' in language '</xsl:text>
<xsl:value-of select="$lang"/>
<xsl:text>' in context 'xref-number</xsl:text>
<xsl:text>'. Using template without @style.</xsl:text>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:when test="$xref-context != ''">
<xsl:value-of select="$xref-context"/>
<xsl:if test="$olink.debug">
<xsl:message>
<xsl:text>Olink error: no gentext template</xsl:text>
<xsl:text> exists for xrefstyle '</xsl:text>
<xsl:value-of select="$xrefstyle"/>
<xsl:text>' for element '</xsl:text>
<xsl:value-of select="$target.elem"/>
<xsl:text>' in language '</xsl:text>
<xsl:value-of select="$lang"/>
<xsl:text>' in context 'xref</xsl:text>
<xsl:text>'. Using template without @style.</xsl:text>
</xsl:message>
</xsl:if>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>Olink error: no gentext template</xsl:text>
<xsl:text> exists for xrefstyle '</xsl:text>
<xsl:value-of select="$xrefstyle"/>
<xsl:text>' for element '</xsl:text>
<xsl:value-of select="$target.elem"/>
<xsl:text>' in language '</xsl:text>
<xsl:value-of select="$lang"/>
<xsl:text>'. Trying '%t'.</xsl:text>
</xsl:message>
<xsl:value-of select="'%t'"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:if test="$olink.debug != 0">
<xsl:message>
<xsl:text>Olink debug: xrefstyle template is '</xsl:text>
<xsl:value-of select="$template"/>
<xsl:text>'.</xsl:text>
</xsl:message>
</xsl:if>
<xsl:call-template name="substitute-markup">
<xsl:with-param name="template" select="$template"/>
<xsl:with-param name="title">
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/ttl" />
</xsl:for-each>
</xsl:with-param>
<xsl:with-param name="label">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetptr-key', $olink.key)/@number" />
</xsl:for-each>
</xsl:with-param>
<xsl:with-param name="pagenumber">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetptr-key', $olink.key)/@page" />
</xsl:for-each>
</xsl:with-param>
<xsl:with-param name="docname">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetdoc-key', $targetdoc)/div[1]/ttl" />
</xsl:for-each>
</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:when test="$use.local.olink.style != 0">
<xsl:variable name="template">
<xsl:call-template name="gentext.template">
<xsl:with-param name="context" select="'xref'"/>
<xsl:with-param name="name" select="$target.elem"/>
<xsl:with-param name="lang" select="$lang"/>
</xsl:call-template>
</xsl:variable>
<xsl:call-template name="substitute-markup">
<xsl:with-param name="template" select="$template"/>
<xsl:with-param name="title">
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/ttl" />
</xsl:for-each>
</xsl:with-param>
<xsl:with-param name="label">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetptr-key', $olink.key)/@number" />
</xsl:for-each>
</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:when test="$xref.text !=''">
<xsl:value-of select="$xref.text"/>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>Olink error: no generated text for </xsl:text>
<xsl:text>targetdoc/targetptr/lang = '</xsl:text>
<xsl:value-of select="$olink.key"/>
<xsl:text>'.</xsl:text>
</xsl:message>
<xsl:text>????</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:when test="@targetdoc != '' or @targetptr != ''">
<xsl:if test="$olink.key != ''">
<xsl:message>
<xsl:text>Olink error: no generated text for </xsl:text>
<xsl:text>targetdoc/targetptr/lang = '</xsl:text>
<xsl:value-of select="$olink.key"/>
<xsl:text>'.</xsl:text>
</xsl:message>
</xsl:if>
<xsl:text>????</xsl:text>
</xsl:when>
<xsl:otherwise>
<!-- old style olink -->
<xsl:call-template name="olink.outline">
<xsl:with-param name="outline.base.uri"
select="unparsed-entity-uri(@targetdocent)"/>
<xsl:with-param name="localinfo" select="@localinfo"/>
<xsl:with-param name="return" select="'xreftext'"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="*" mode="olink.docname.markup">
<!-- No-op for now -->
</xsl:template>
<xsl:template name="targetpath">
<xsl:param name="dirnode" />
<xsl:param name="targetdoc" select="''"/>
<!--
<xsl:message>dirnode is <xsl:value-of select="$dirnode/@name"/></xsl:message>
<xsl:message>targetdoc is <xsl:value-of select="$targetdoc"/></xsl:message>
-->
<!-- recursive template generates path to olink target directory -->
<xsl:choose>
<!-- Have we arrived at the final path step? -->
<xsl:when test="$dirnode/child::document[@targetdoc = $targetdoc]">
<!-- We are done -->
</xsl:when>
<!-- Have we reached the top without a match? -->
<xsl:when test="name($dirnode) != 'dir'" >
<xsl:message>Olink error: cannot locate targetdoc <xsl:value-of select="$targetdoc"/> in sitemap</xsl:message>
</xsl:when>
<!-- Is the target in a descendant? -->
<xsl:when test="$dirnode/descendant::document/@targetdoc = $targetdoc">
<xsl:variable name="step" select="$dirnode/child::dir[descendant::document/@targetdoc = $targetdoc]"/>
<xsl:if test = "$step">
<xsl:value-of select="$step/@name"/>
<xsl:text>/</xsl:text>
</xsl:if>
<!-- Now recurse with the child -->
<xsl:call-template name="targetpath" >
<xsl:with-param name="dirnode" select="$step"/>
<xsl:with-param name="targetdoc" select="$targetdoc"/>
</xsl:call-template>
</xsl:when>
<!-- Otherwise we need to move up a step -->
<xsl:otherwise>
<xsl:if test="$dirnode/parent::dir">
<xsl:text>../</xsl:text>
</xsl:if>
<xsl:call-template name="targetpath" >
<xsl:with-param name="dirnode" select="$dirnode/parent::*"/>
<xsl:with-param name="targetdoc" select="$targetdoc"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="olink.page.citation">
<xsl:param name="olink.key" select="''"/>
<xsl:param name="olink.lang" select="'en'"/>
<xsl:param name="target.database"/>
<xsl:param name="linkend" select="''"/>
<xsl:param name="xrefstyle">
<xsl:choose>
<xsl:when test="@role and not(@xrefstyle)
and $use.role.as.xrefstyle != 0">
<xsl:value-of select="@role"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@xrefstyle"/>
</xsl:otherwise>
</xsl:choose>
</xsl:param>
<xsl:variable name="targetdoc">
<xsl:value-of select="substring-before($olink.key, '/')"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="$linkend != ''">
<xsl:call-template name="xref.page.citation">
<xsl:with-param name="linkend" select="$linkend"/>
<xsl:with-param name="target" select="key('id', $linkend)"/>
<xsl:with-param name="xrefstyle" select="$xrefstyle"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="not(starts-with(normalize-space($xrefstyle),
'select:')
and (contains($xrefstyle, 'page')
or contains($xrefstyle, 'Page')))
and $current.docid != ''
and $current.docid != $targetdoc
and $insert.olink.page.number = 'yes' ">
<xsl:variable name="page-number">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetptr-key', $olink.key)/@page" />
</xsl:for-each>
</xsl:variable>
<xsl:if test="$page-number != ''">
<xsl:call-template name="substitute-markup">
<xsl:with-param name="template">
<xsl:call-template name="gentext.template">
<xsl:with-param name="name" select="'olink.page.citation'"/>
<xsl:with-param name="context" select="'xref'"/>
<xsl:with-param name="lang" select="$olink.lang"/>
</xsl:call-template>
</xsl:with-param>
<xsl:with-param name="pagenumber" select="$page-number"/>
</xsl:call-template>
</xsl:if>
</xsl:when>
</xsl:choose>
</xsl:template>
<xsl:template name="olink.document.citation">
<xsl:param name="olink.key" select="''"/>
<xsl:param name="olink.lang" select="'en'"/>
<xsl:param name="target.database"/>
<xsl:param name="xrefstyle">
<xsl:choose>
<xsl:when test="@role and not(@xrefstyle)
and $use.role.as.xrefstyle != 0">
<xsl:value-of select="@role"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@xrefstyle"/>
</xsl:otherwise>
</xsl:choose>
</xsl:param>
<xsl:variable name="page">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetptr-key', $olink.key)/@page" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="targetdoc">
<xsl:value-of select="substring-before($olink.key, '/')"/>
</xsl:variable>
<xsl:variable name="targetptr">
<xsl:value-of
select="substring-before(substring-after($olink.key, '/'), '/')"/>
</xsl:variable>
<!-- Don't add docname if pointing to root element -->
<xsl:variable name="rootptr">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetdoc-key', $targetdoc)/div[1]/@targetptr" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="docname">
<xsl:for-each select="$target.database" >
<xsl:value-of
select="key('targetdoc-key', $targetdoc)/div[1]/ttl" />
</xsl:for-each>
</xsl:variable>
<xsl:if test="not(starts-with(normalize-space($xrefstyle), 'select:')
and (contains($xrefstyle, 'docname')))
and ($olink.doctitle = 'yes' or $olink.doctitle = '1')
and $current.docid != ''
and $rootptr != $targetptr
and $current.docid != $targetdoc
and $docname != ''">
<xsl:call-template name="substitute-markup">
<xsl:with-param name="template">
<xsl:call-template name="gentext.template">
<xsl:with-param name="name" select="'olink.document.citation'"/>
<xsl:with-param name="context" select="'xref'"/>
<xsl:with-param name="lang" select="$olink.lang"/>
</xsl:call-template>
</xsl:with-param>
<xsl:with-param name="docname" select="$docname"/>
<xsl:with-param name="pagenumber" select="$page"/>
</xsl:call-template>
</xsl:if>
</xsl:template>
<xsl:template name="xref.page.citation">
<!-- Determine if this xref should have a page citation.
Context node is the xref or local olink element -->
<xsl:param name="linkend" select="@linkend"/>
<xsl:param name="target" select="key('id', $linkend)"/>
<xsl:param name="xrefstyle">
<xsl:choose>
<xsl:when test="@role and not(@xrefstyle)
and $use.role.as.xrefstyle != 0">
<xsl:value-of select="@role"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@xrefstyle"/>
</xsl:otherwise>
</xsl:choose>
</xsl:param>
<xsl:if test="not(starts-with(normalize-space($xrefstyle),'select:')
and (contains($xrefstyle, 'page')
or contains($xrefstyle, 'Page')))
and ( $insert.xref.page.number = 'yes'
or $insert.xref.page.number = '1')
or local-name($target) = 'para'">
<xsl:apply-templates select="$target" mode="page.citation">
<xsl:with-param name="id" select="$linkend"/>
</xsl:apply-templates>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
See more files for this project here