298 lines
10 KiB
XML
298 lines
10 KiB
XML
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<?xml version="1.0"?>
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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version="1.0">
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<xsl:param name="website.database.document"
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select="'website.database.xml'"/>
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<xsl:template match="olink">
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<xsl:choose>
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<xsl:when test="@targetdoc != '' or @targetptr != ''">
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<xsl:apply-imports/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:call-template name="olink-entity"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<xsl:template name="olink-entity">
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<xsl:variable name="xmlfile"
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select="document(unparsed-entity-uri(@targetdocent),$autolayout)"/>
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<xsl:variable name="webpage"
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select="$xmlfile/webpage"/>
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<xsl:variable name="tocentry"
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select="$autolayout//*[$webpage/@id=@id]"/>
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<xsl:variable name="dir">
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<xsl:choose>
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<xsl:when test="starts-with($tocentry/@dir, '/')">
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<xsl:value-of select="substring($tocentry/@dir, 2)"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$tocentry/@dir"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:variable>
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<!-- debug
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<xsl:message>Olink for <xsl:value-of select="unparsed-entity-uri(@targetdocent)"/></xsl:message>
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<xsl:message>Page id <xsl:value-of select="$webpage/@id"/></xsl:message>
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-->
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<xsl:choose>
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<xsl:when test="@type = 'embed'">
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<xsl:apply-templates select="$xmlfile"/>
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</xsl:when>
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<xsl:otherwise>
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<!-- @type = 'replace' or @type = 'new' -->
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<a>
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<xsl:if test="@id">
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<xsl:attribute name="name">
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<xsl:value-of select="@id"/>
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</xsl:attribute>
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</xsl:if>
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<!-- debug
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<xsl:message>
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<xsl:text>href: </xsl:text>
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<xsl:call-template name="root-rel-path"/>
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<xsl:text>::</xsl:text>
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<xsl:value-of select="$dir"/>
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<xsl:text>::</xsl:text>
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<xsl:value-of select="$filename-prefix"/>
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<xsl:text>::</xsl:text>
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<xsl:value-of select="$tocentry/@filename"/>
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<xsl:text>::</xsl:text>
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<xsl:if test="@localinfo">
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<xsl:text>#</xsl:text>
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<xsl:value-of select="@localinfo"/>
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</xsl:if>
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</xsl:message>
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-->
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<xsl:attribute name="href">
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<xsl:call-template name="root-rel-path"/>
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<xsl:value-of select="$dir"/>
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<xsl:value-of select="$filename-prefix"/>
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<xsl:value-of select="$tocentry/@filename"/>
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<xsl:if test="@localinfo">
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<xsl:text>#</xsl:text>
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<xsl:value-of select="@localinfo"/>
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</xsl:if>
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</xsl:attribute>
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<xsl:if test="@type = 'new'">
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<xsl:attribute name="target">_blank</xsl:attribute>
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</xsl:if>
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<xsl:choose>
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<xsl:when test="count(node()) = 0">
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<xsl:apply-templates select="$webpage/head/title"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:apply-templates/>
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</xsl:otherwise>
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</xsl:choose>
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</a>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<!-- Customize the selection to use both website and offsite databases -->
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<xsl:template name="select.target.database">
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<xsl:param name="targetdoc.att" select="''"/>
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<xsl:param name="targetptr.att" select="''"/>
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<xsl:param name="olink.lang" select="''"/>
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<!-- Is the target in the website database? -->
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<xsl:variable name="website.olink.key">
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<xsl:if test="$website.database.document != ''">
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<xsl:call-template name="select.olink.key">
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<xsl:with-param name="targetdoc.att" select="$targetdoc.att"/>
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<xsl:with-param name="targetptr.att" select="$targetptr.att"/>
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<xsl:with-param name="olink.lang" select="$olink.lang"/>
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<xsl:with-param name="target.database"
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select="document($website.database.document,/)"/>
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</xsl:call-template>
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</xsl:if>
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</xsl:variable>
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<!-- Is the target in the offsite database? -->
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<xsl:variable name="offsite.olink.key">
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<xsl:if test="$target.database.document != ''">
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<xsl:call-template name="select.olink.key">
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<xsl:with-param name="targetdoc.att" select="$targetdoc.att"/>
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<xsl:with-param name="targetptr.att" select="$targetptr.att"/>
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<xsl:with-param name="olink.lang" select="$olink.lang"/>
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<xsl:with-param name="target.database"
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select="document($target.database.document,/)"/>
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</xsl:call-template>
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</xsl:if>
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</xsl:variable>
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<xsl:choose>
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<xsl:when test="$website.olink.key != ''">
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<xsl:value-of select="$website.database.document"/>
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</xsl:when>
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<xsl:when test="$offsite.olink.key != ''">
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<xsl:value-of select="$target.database.document"/>
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</xsl:when>
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<xsl:otherwise>
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<!-- Return a bogus string and let the olink template deal with it
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<xsl:text>NOMATCHINANYDATABASEDOCUMENT</xsl:text>
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-->
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</xsl:otherwise>
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</xsl:choose>
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</xsl:template>
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<!-- Customize this template to use Website root-relative -->
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<xsl:template name="make.olink.href">
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<xsl:param name="olink.key" select="''"/>
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<xsl:param name="target.database"/>
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<xsl:if test="$olink.key != ''">
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<xsl:variable name="targetdoc">
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<xsl:value-of select="substring-before($olink.key, '/')"/>
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</xsl:variable>
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<xsl:variable name="targetptr">
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<xsl:value-of select="substring-before(substring-after($olink.key, '/'),'/')"/>
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</xsl:variable>
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<xsl:variable name="target.href" >
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<xsl:for-each select="$target.database" >
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<xsl:value-of select="key('targetptr-key', $olink.key)/@href" />
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</xsl:for-each>
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</xsl:variable>
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<xsl:variable name="target.dir" >
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<xsl:for-each select="$target.database" >
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<xsl:value-of select="key('targetdoc-key', $targetdoc)/@dir" />
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</xsl:for-each>
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</xsl:variable>
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<xsl:variable name="target.element" >
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<xsl:for-each select="$target.database" >
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<xsl:value-of select="key('targetptr-key', $olink.key)/@element" />
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</xsl:for-each>
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</xsl:variable>
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<!-- Does the target database use a sitemap? -->
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<xsl:variable name="use.sitemap">
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<xsl:choose>
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<xsl:when test="$target.database//sitemap">1</xsl:when>
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<xsl:otherwise>0</xsl:otherwise>
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</xsl:choose>
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</xsl:variable>
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<!-- Get the baseuri for this targetptr -->
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<xsl:variable name="baseuri" >
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<xsl:choose>
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<!-- Does the database use a sitemap? -->
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<xsl:when test="$use.sitemap != 0" >
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<xsl:choose>
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<!-- Was current.docid parameter set? -->
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<xsl:when test="$current.docid != ''">
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<!-- Was it found in the database? -->
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<xsl:variable name="currentdoc.key" >
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<xsl:for-each select="$target.database" >
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<xsl:value-of select="key('targetdoc-key',
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$current.docid)/@targetdoc" />
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</xsl:for-each>
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</xsl:variable>
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<xsl:choose>
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<xsl:when test="$currentdoc.key != ''">
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<xsl:for-each select="$target.database" >
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<xsl:call-template name="targetpath" >
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<xsl:with-param name="dirnode"
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select="key('targetdoc-key', $current.docid)/parent::dir"/>
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<xsl:with-param name="targetdoc" select="$targetdoc"/>
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</xsl:call-template>
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</xsl:for-each >
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</xsl:when>
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<xsl:otherwise>
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<xsl:message>
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<xsl:text>Olink error: cannot compute relative </xsl:text>
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<xsl:text>sitemap path because $current.docid '</xsl:text>
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<xsl:value-of select="$current.docid"/>
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<xsl:text>' not found in target database.</xsl:text>
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</xsl:message>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:when>
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<xsl:otherwise>
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<xsl:message>
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<xsl:text>Olink warning: cannot compute relative </xsl:text>
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<xsl:text>sitemap path without $current.docid parameter</xsl:text>
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</xsl:message>
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</xsl:otherwise>
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</xsl:choose>
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<!-- In either case, add baseuri from its document entry-->
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<xsl:variable name="docbaseuri">
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<xsl:for-each select="$target.database" >
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<xsl:value-of select="key('targetdoc-key', $targetdoc)/@baseuri" />
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</xsl:for-each>
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</xsl:variable>
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<xsl:if test="$docbaseuri != ''" >
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<xsl:value-of select="$docbaseuri"/>
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</xsl:if>
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</xsl:when>
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<!-- No database sitemap in use -->
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<xsl:otherwise>
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<!-- compute a root-relative path if current page has a @dir -->
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<xsl:variable name="root-rel">
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<xsl:call-template name="root-rel-path"/>
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</xsl:variable>
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<xsl:if test="$root-rel != ''">
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<xsl:value-of select="$root-rel"/>
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</xsl:if>
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<!-- Add the target's @dir to the path -->
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<xsl:if test="$target.dir != ''">
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<xsl:value-of select="$target.dir"/>
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</xsl:if>
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<!-- Just use any baseuri from its document entry -->
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<xsl:variable name="docbaseuri">
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<xsl:for-each select="$target.database" >
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<xsl:value-of select="key('targetdoc-key',
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$targetdoc)/@baseuri" />
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</xsl:for-each>
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</xsl:variable>
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<xsl:if test="$docbaseuri != ''" >
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<xsl:value-of select="$docbaseuri"/>
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</xsl:if>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:variable>
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<!-- Form the href information -->
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<xsl:if test="$baseuri != ''">
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<xsl:value-of select="$baseuri"/>
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<xsl:if test="substring($target.href,1,1) != '#'">
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<!--xsl:text>/</xsl:text-->
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</xsl:if>
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</xsl:if>
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<xsl:choose>
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<xsl:when test="$target.element = 'webpage' and
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$targetdoc = $targetptr">
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<!-- Don't output #id because not needed -->
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</xsl:when>
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<!-- optionally turn off frag for PDF references -->
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<xsl:when test="not($insert.olink.pdf.frag = 0 and
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translate(substring($baseuri, string-length($baseuri) - 3),
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'PDF', 'pdf') = '.pdf'
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and starts-with($target.href, '#') )">
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<xsl:value-of select="$target.href"/>
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</xsl:when>
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<xsl:otherwise>
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<xsl:value-of select="$target.href"/>
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</xsl:otherwise>
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</xsl:choose>
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</xsl:if>
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</xsl:template>
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</xsl:stylesheet>
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