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<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:param name="website.database.document"
select="'website.database.xml'"/>
<xsl:template match="olink">
<xsl:choose>
<xsl:when test="@targetdoc != '' or @targetptr != ''">
<xsl:apply-imports/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="olink-entity"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="olink-entity">
<xsl:variable name="xmlfile"
select="document(unparsed-entity-uri(@targetdocent),$autolayout)"/>
<xsl:variable name="webpage"
select="$xmlfile/webpage"/>
<xsl:variable name="tocentry"
select="$autolayout//*[$webpage/@id=@id]"/>
<xsl:variable name="dir">
<xsl:choose>
<xsl:when test="starts-with($tocentry/@dir, '/')">
<xsl:value-of select="substring($tocentry/@dir, 2)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$tocentry/@dir"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<!-- debug
<xsl:message>Olink for <xsl:value-of select="unparsed-entity-uri(@targetdocent)"/></xsl:message>
<xsl:message>Page id <xsl:value-of select="$webpage/@id"/></xsl:message>
-->
<xsl:choose>
<xsl:when test="@type = 'embed'">
<xsl:apply-templates select="$xmlfile"/>
</xsl:when>
<xsl:otherwise>
<!-- @type = 'replace' or @type = 'new' -->
<a>
<xsl:if test="@id">
<xsl:attribute name="name">
<xsl:value-of select="@id"/>
</xsl:attribute>
</xsl:if>
<!-- debug
<xsl:message>
<xsl:text>href: </xsl:text>
<xsl:call-template name="root-rel-path"/>
<xsl:text>::</xsl:text>
<xsl:value-of select="$dir"/>
<xsl:text>::</xsl:text>
<xsl:value-of select="$filename-prefix"/>
<xsl:text>::</xsl:text>
<xsl:value-of select="$tocentry/@filename"/>
<xsl:text>::</xsl:text>
<xsl:if test="@localinfo">
<xsl:text>#</xsl:text>
<xsl:value-of select="@localinfo"/>
</xsl:if>
</xsl:message>
-->
<xsl:attribute name="href">
<xsl:call-template name="root-rel-path"/>
<xsl:value-of select="$dir"/>
<xsl:value-of select="$filename-prefix"/>
<xsl:value-of select="$tocentry/@filename"/>
<xsl:if test="@localinfo">
<xsl:text>#</xsl:text>
<xsl:value-of select="@localinfo"/>
</xsl:if>
</xsl:attribute>
<xsl:if test="@type = 'new'">
<xsl:attribute name="target">_blank</xsl:attribute>
</xsl:if>
<xsl:choose>
<xsl:when test="count(node()) = 0">
<xsl:apply-templates select="$webpage/head/title"/>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates/>
</xsl:otherwise>
</xsl:choose>
</a>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Customize the selection to use both website and offsite databases -->
<xsl:template name="select.target.database">
<xsl:param name="targetdoc.att" select="''"/>
<xsl:param name="targetptr.att" select="''"/>
<xsl:param name="olink.lang" select="''"/>
<!-- Is the target in the website database? -->
<xsl:variable name="website.olink.key">
<xsl:if test="$website.database.document != ''">
<xsl:call-template name="select.olink.key">
<xsl:with-param name="targetdoc.att" select="$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="document($website.database.document,/)"/>
</xsl:call-template>
</xsl:if>
</xsl:variable>
<!-- Is the target in the offsite database? -->
<xsl:variable name="offsite.olink.key">
<xsl:if test="$target.database.document != ''">
<xsl:call-template name="select.olink.key">
<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="$olink.lang"/>
<xsl:with-param name="target.database"
select="document($target.database.document,/)"/>
</xsl:call-template>
</xsl:if>
</xsl:variable>
<xsl:choose>
<xsl:when test="$website.olink.key != ''">
<xsl:value-of select="$website.database.document"/>
</xsl:when>
<xsl:when test="$offsite.olink.key != ''">
<xsl:value-of select="$target.database.document"/>
</xsl:when>
<xsl:otherwise>
<!-- Return a bogus string and let the olink template deal with it
<xsl:text>NOMATCHINANYDATABASEDOCUMENT</xsl:text>
-->
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- Customize this template to use Website root-relative -->
<xsl:template name="make.olink.href">
<xsl:param name="olink.key" select="''"/>
<xsl:param name="target.database"/>
<xsl:if test="$olink.key != ''">
<xsl:variable name="targetdoc">
<xsl:value-of select="substring-before($olink.key, '/')"/>
</xsl:variable>
<xsl:variable name="targetptr">
<xsl:value-of select="substring-before(substring-after($olink.key, '/'),'/')"/>
</xsl:variable>
<xsl:variable name="target.href" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/@href" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="target.dir" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetdoc-key', $targetdoc)/@dir" />
</xsl:for-each>
</xsl:variable>
<xsl:variable name="target.element" >
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetptr-key', $olink.key)/@element" />
</xsl:for-each>
</xsl:variable>
<!-- Does the target database use a sitemap? -->
<xsl:variable name="use.sitemap">
<xsl:choose>
<xsl:when test="$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:call-template name="olink.error">
<xsl:with-param name="message">
<xsl:text>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:with-param>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="olink.error">
<xsl:with-param name="message">
<xsl:text>cannot compute relative </xsl:text>
<xsl:text>sitemap path without $current.docid parameter</xsl:text>
</xsl:with-param>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
<!-- In either case, add baseuri from its document entry-->
<xsl:variable name="docbaseuri">
<xsl:for-each select="$target.database" >
<xsl:value-of select="key('targetdoc-key', $targetdoc)/@baseuri" />
</xsl:for-each>
</xsl:variable>
<xsl:if test="$docbaseuri != ''" >
<xsl:value-of select="$docbaseuri"/>
</xsl:if>
</xsl:when>
<!-- No database sitemap in use -->
<xsl:otherwise>
<!-- compute a root-relative path if current page has a @dir -->
<xsl:variable name="root-rel">
<xsl:call-template name="root-rel-path"/>
</xsl:variable>
<xsl:if test="$root-rel != ''">
<xsl:value-of select="$root-rel"/>
</xsl:if>
<!-- Add the target's @dir to the path -->
<xsl:if test="$target.dir != ''">
<xsl:value-of select="$target.dir"/>
</xsl:if>
<!-- Just use any baseuri from its document entry -->
<xsl:variable name="docbaseuri">
<xsl:for-each select="$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>
<xsl:choose>
<xsl:when test="$target.element = 'webpage' and
$targetdoc = $targetptr">
<!-- Don't output #id because not needed -->
</xsl:when>
<!-- optionally turn off frag for PDF references -->
<xsl:when test="not($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:when>
<xsl:otherwise>
<xsl:value-of select="$target.href"/>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
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