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rfc2629toFO.xslt
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rfc2629toFO.xslt
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<!--
XSLT transformation from RFC2629/7991 XML format to XSL-FO
Copyright (c) 2006-2022, Julian Reschke ([email protected])
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Julian Reschke nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
-->
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0"
xmlns:ed="http://greenbytes.de/2002/rfcedit"
xmlns:exslt="http://exslt.org/common"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:msxsl="urn:schemas-microsoft-com:xslt"
xmlns:myns="mailto:[email protected]?subject=rfc2629.xslt"
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:x="http://purl.org/net/xml2rfc/ext"
xmlns:xi="http://www.w3.org/2001/XInclude"
exclude-result-prefixes="ed exslt msxsl myns rdf svg x xi"
>
<xsl:import href="rfc2629-no-doctype.xslt" />
<xsl:output method="xml" version="1.0" encoding="UTF-8" indent="no"/>
<!-- page sizes as per <http://tools.ietf.org/html/draft-rfc-editor-rfc2223bis-08#section-3.2> -->
<xsl:attribute-set name="page">
<xsl:attribute name="margin-left">1in</xsl:attribute>
<xsl:attribute name="margin-right">1in</xsl:attribute>
<xsl:attribute name="page-height">11in</xsl:attribute>
<xsl:attribute name="page-width">8.5in</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="base">
<xsl:attribute name="font-family">serif</xsl:attribute>
<xsl:attribute name="font-size">10pt</xsl:attribute>
<xsl:attribute name="line-height-shift-adjustment">disregard-shifts</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="h1">
<xsl:attribute name="font-weight">bold</xsl:attribute>
<xsl:attribute name="font-size">14pt</xsl:attribute>
<xsl:attribute name="keep-with-next">always</xsl:attribute>
<xsl:attribute name="space-before">14pt</xsl:attribute>
<xsl:attribute name="space-after">7pt</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="h2">
<xsl:attribute name="font-weight">bold</xsl:attribute>
<xsl:attribute name="font-size">12pt</xsl:attribute>
<xsl:attribute name="keep-with-next">always</xsl:attribute>
<xsl:attribute name="space-before">12pt</xsl:attribute>
<xsl:attribute name="space-after">6pt</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="h3">
<xsl:attribute name="font-weight">bold</xsl:attribute>
<xsl:attribute name="font-size">11pt</xsl:attribute>
<xsl:attribute name="keep-with-next">always</xsl:attribute>
<xsl:attribute name="space-before">11pt</xsl:attribute>
<xsl:attribute name="space-after">3pt</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="comment">
<xsl:attribute name="font-weight">bold</xsl:attribute>
<xsl:attribute name="background-color">yellow</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="external-link">
<xsl:attribute name="color">blue</xsl:attribute>
<xsl:attribute name="text-decoration">underline</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="index">
<xsl:attribute name="font-size">9pt</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="internal-link">
<xsl:attribute name="color">#000080</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="newpage">
<xsl:attribute name="page-break-before">
<xsl:choose>
<xsl:when test="$xml2rfc-ext-duplex='yes'">right</xsl:when>
<xsl:otherwise>always</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
</xsl:attribute-set>
<xsl:attribute-set name="title">
<xsl:attribute name="text-align">center</xsl:attribute>
<xsl:attribute name="font-weight">bold</xsl:attribute>
<xsl:attribute name="font-size">18pt</xsl:attribute>
<xsl:attribute name="space-before">3em</xsl:attribute>
<xsl:attribute name="space-after">3em</xsl:attribute>
</xsl:attribute-set>
<xsl:template match="abstract">
<fo:block xsl:use-attribute-sets="h1" id="{concat($anchor-pref,'abstract')}">Abstract</fo:block>
<xsl:apply-templates />
</xsl:template>
<!-- special case for first text node in artwork or sourcecode -->
<xsl:template match="artwork/text()[1]|sourcecode/text()[1]" priority="9">
<xsl:choose>
<xsl:when test="substring(.,1,1)=' '">
<xsl:value-of select="substring(.,2)" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="." />
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="add-artwork-attr">
<xsl:choose>
<xsl:when test="@type='abnf' or @type='abnf2045' or @type='abnf2616' or @type='abnf7230' or @type='abnf9110' or @type='application/xml-dtd' or @type='application/relax-ng-compact-syntax'">
<!-- just display inline -->
</xsl:when>
<xsl:when test="starts-with(@type,'message/http') and contains(@type,'msgtype="request"')">
<xsl:attribute name="background-color">#f0f0f0</xsl:attribute>
<xsl:attribute name="border-style">dotted</xsl:attribute>
<xsl:attribute name="border-width">thin</xsl:attribute>
</xsl:when>
<xsl:when test="starts-with(@type,'message/http')">
<xsl:attribute name="background-color">#f8f8f8</xsl:attribute>
<xsl:attribute name="border-style">dotted</xsl:attribute>
<xsl:attribute name="border-width">thin</xsl:attribute>
</xsl:when>
<xsl:when test="self::sourcecode or starts-with(@type,'text/plain') or @type='example' or @type='code' or @type='http-message'">
<xsl:attribute name="background-color">#f8f8f8</xsl:attribute>
<xsl:attribute name="border-style">dotted</xsl:attribute>
<xsl:attribute name="border-width">thin</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="background-color">#dddddd</xsl:attribute>
<xsl:attribute name="font-size">9pt</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
<xsl:choose>
<xsl:when test="@align='center'">
<xsl:attribute name="text-align">center</xsl:attribute>
</xsl:when>
<xsl:when test="@align='right'">
<xsl:attribute name="text-align">right</xsl:attribute>
</xsl:when>
<xsl:otherwise/>
</xsl:choose>
</xsl:template>
<xsl:template match="artwork|sourcecode">
<xsl:variable name="textcontent">
<xsl:call-template name="text-content-of-sourcecode-or-artwork"/>
</xsl:variable>
<fo:block>
<xsl:call-template name="copy-anchor"/>
<xsl:if test="not(ancestor::figure)">
<xsl:attribute name="start-indent">2em</xsl:attribute>
</xsl:if>
<xsl:if test="(self::artwork and @x:is-code-component='yes') or (self::sourcecode and @markers='true')">
<fo:block font-family="monospace" color="gray">
<xsl:text><CODE BEGINS></xsl:text>
<xsl:if test="self::sourcecode and @name">
<xsl:variable name="offending" select="translate(@name,concat($alnum,'-+.,;_~#'),'')"/>
<xsl:choose>
<xsl:when test="$offending!=''">
<xsl:call-template name="error">
<xsl:with-param name="msg">illegal characters in @name attribute '<xsl:value-of select="@name"/>': '<xsl:value-of select="$offending"/>'</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:text> file "</xsl:text>
<xsl:value-of select="@name"/>
<xsl:text>"</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:if>
</fo:block>
</xsl:if>
<xsl:if test="@x:line-folding='\'">
<fo:block font-family="monospace" color="gray">
<xsl:text>NOTE: '\' line wrapping per RFC 8792 </xsl:text>
</fo:block>
</xsl:if>
<xsl:if test="@x:line-folding='\\'">
<fo:block font-family="monospace" color="gray">
<xsl:text>NOTE: '\\' line wrapping per RFC 8792 </xsl:text>
</fo:block>
</xsl:if>
<fo:block font-family="monospace" padding=".5em"
white-space-treatment="preserve" linefeed-treatment="preserve"
white-space-collapse="false" page-break-inside="avoid">
<xsl:call-template name="add-artwork-attr"/>
<xsl:choose>
<xsl:when test="$xml2rfc-ext-allow-markup-in-artwork='yes' and not(@src)">
<xsl:apply-templates/>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="display">
<xsl:call-template name="text-in-artwork">
<xsl:with-param name="content" select="$textcontent"/>
</xsl:call-template>
</xsl:variable>
<xsl:choose>
<xsl:when test="starts-with($display,' ')">
<xsl:value-of select="substring($display,2)"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$display"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</fo:block>
<xsl:if test="(self::artwork and @x:is-code-component='yes') or (self::sourcecode and @markers='true')">
<fo:block font-family="monospace" color="gray"><CODE ENDS></fo:block>
</xsl:if>
</fo:block>
</xsl:template>
<xsl:template match="artwork[xi:include]" priority="9">
<xsl:variable name="resolved" xmlns="">
<xsl:element name="artwork" namespace="">
<xsl:copy-of select="@*"/>
<xsl:for-each select="node()">
<xsl:choose>
<xsl:when test="self::xi:include">
<xsl:if test="(@parse and @parse!='xml') or @xpointer">
<xsl:call-template name="error">
<xsl:with-param name="msg" select="'Unsupported attributes on x:include element'"/>
</xsl:call-template>
</xsl:if>
<xsl:copy-of select="document(@href)"/>
</xsl:when>
<xsl:otherwise>
<xsl:copy-of select="."/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:element>
</xsl:variable>
<xsl:apply-templates select="exslt:node-set($resolved)/*"/>
</xsl:template>
<xsl:template match="artwork[@src and (starts-with(@type,'image/') or @type='svg')]|artwork[svg:svg]">
<fo:block>
<xsl:choose>
<xsl:when test="@align='center'">
<xsl:attribute name="text-align">center</xsl:attribute>
</xsl:when>
<xsl:when test="@align='right'">
<xsl:attribute name="text-align">right</xsl:attribute>
</xsl:when>
<xsl:otherwise/>
</xsl:choose>
<xsl:choose>
<xsl:when test="svg:svg">
<fo:instream-foreign-object>
<xsl:choose>
<xsl:when test="parent::artset and ../@anchor">
<xsl:attribute name="id"><xsl:value-of select="../@anchor"/></xsl:attribute>
</xsl:when>
<xsl:when test="parent::artset and ../artwork/@anchor">
<xsl:attribute name="id"><xsl:value-of select="../artwork[@anchor][1]/@anchor"/></xsl:attribute>
</xsl:when>
<xsl:when test="@anchor">
<xsl:attribute name="id"><xsl:value-of select="/@anchor"/></xsl:attribute>
</xsl:when>
<xsl:otherwise/>
</xsl:choose>
<xsl:apply-templates select="svg:svg" mode="embed-svg"/>
</fo:instream-foreign-object>
</xsl:when>
<xsl:otherwise>
<fo:external-graphic scaling-method="integer-pixels" src="url({@src})"/>
</xsl:otherwise>
</xsl:choose>
</fo:block>
</xsl:template>
<xsl:template match="/" mode="embed-svg">
<xsl:copy><xsl:apply-templates select="node()" mode="embed-svg"/></xsl:copy>
</xsl:template>
<xsl:template match="contact[ancestor::t]">
<xsl:value-of select="@fullname"/>
<xsl:if test="@asciiFullname">
<xsl:text> (</xsl:text>
<xsl:value-of select="@asciiFullname"/>
<xsl:text>)</xsl:text>
</xsl:if>
</xsl:template>
<xsl:template match="author|contact|x:contributor">
<fo:block start-indent="2em" space-before=".5em" space-after=".5em">
<xsl:call-template name="emit-author"/>
<xsl:if test="@asciiFullname!='' or organization/@ascii!='' or address/postal/*/@ascii">
<fo:block space-before=".5em">
Additional contact information:
</fo:block>
<xsl:call-template name="emit-author">
<xsl:with-param name="ascii" select="false()"/>
</xsl:call-template>
</xsl:if>
</fo:block>
</xsl:template>
<xsl:template name="emit-postal-line">
<xsl:param name="prefix"/>
<xsl:param name="value"/>
<xsl:param name="values"/>
<xsl:param name="link"/>
<xsl:param name="annotation"/>
<xsl:if test="normalize-space($value)!='' or $values">
<fo:block>
<xsl:if test="$prefix!=''"><xsl:value-of select="$prefix"/>: </xsl:if>
<xsl:choose>
<xsl:when test="$values">
<xsl:for-each select="exslt:node-set($values)/*">
<xsl:choose>
<xsl:when test="@href">
<fo:basic-link external-destination="url('{@href}')" xsl:use-attribute-sets="external-link"><xsl:value-of select="normalize-space(.)"/></fo:basic-link>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="normalize-space(.)"/>
</xsl:otherwise>
</xsl:choose>
<xsl:if test="position()!=last()">, </xsl:if>
</xsl:for-each>
</xsl:when>
<xsl:when test="$link!=''">
<fo:basic-link external-destination="url('{$link}')" xsl:use-attribute-sets="external-link"><xsl:value-of select="normalize-space($value)"/></fo:basic-link>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="normalize-space($value)"/>
</xsl:otherwise>
</xsl:choose>
<xsl:if test="$annotation!=''">
<xsl:text> </xsl:text>
<fo:wrapper font-style="italic"><xsl:value-of select="$annotation"/></fo:wrapper>
</xsl:if>
</fo:block>
</xsl:if>
</xsl:template>
<xsl:template name="emit-author">
<xsl:param name="ascii" select="true()"/>
<fo:block>
<fo:wrapper font-weight="bold">
<xsl:choose>
<xsl:when test="(not(@fullname) or @fullname='') and @surname!=''">
<xsl:call-template name="warning">
<xsl:with-param name="msg">fullname attribute should be specified for author (using surname instead)</xsl:with-param>
</xsl:call-template>
<xsl:call-template name="format-initials"/>
<xsl:text> </xsl:text>
<xsl:value-of select="@surname"/>
</xsl:when>
<xsl:when test="@asciiFullname!='' and $ascii">
<xsl:value-of select="@asciiFullname" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@fullname" />
</xsl:otherwise>
</xsl:choose>
</fo:wrapper>
<xsl:if test="not(self::contact) and @role">
<fo:wrapper> (<xsl:value-of select="@role" />)</fo:wrapper>
</xsl:if>
<!-- annotation support for Martin "uuml" Duerst -->
<xsl:if test="@x:annotation">
<xsl:text> </xsl:text>
<fo:wrapper font-style="italic"><xsl:value-of select="@x:annotation"/></fo:wrapper>
</xsl:if>
</fo:block>
<xsl:if test="normalize-space(concat(organization,organization/@ascii)) != ''">
<fo:block>
<xsl:choose>
<xsl:when test="organization/@ascii!='' and $ascii">
<xsl:value-of select="organization/@ascii" />
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="organization" />
</xsl:otherwise>
</xsl:choose>
</fo:block>
</xsl:if>
<xsl:call-template name="emit-author-details">
<xsl:with-param name="ascii" select="$ascii"/>
</xsl:call-template>
</xsl:template>
<xsl:template match="back">
<!-- done in parent template -->
</xsl:template>
<xsl:template match="figure">
<xsl:variable name="anch">
<xsl:call-template name="get-figure-anchor"/>
</xsl:variable>
<fo:block space-before=".5em" space-after=".5em" id="{$anch}" page-break-inside="avoid">
<xsl:if test="not(ancestor::t)">
<xsl:attribute name="start-indent">2em</xsl:attribute>
</xsl:if>
<xsl:call-template name="add-anchor"/>
<xsl:apply-templates select="*[not(self::name)]"/>
<xsl:if test="(@title!='' or name) or (@anchor!='' and not(@suppress-title='true'))">
<xsl:variable name="n"><xsl:call-template name="get-figure-number"/></xsl:variable>
<fo:block text-align="center" space-before=".5em" space-after="1em">
<xsl:if test="not(starts-with($n,'u'))">
<xsl:text>Figure </xsl:text>
<xsl:value-of select="$n"/>
<xsl:if test="@title!='' or name">: </xsl:if>
</xsl:if>
<xsl:choose>
<xsl:when test="name">
<xsl:apply-templates select="name/node()"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@title" />
</xsl:otherwise>
</xsl:choose>
</fo:block>
</xsl:if>
</fo:block>
</xsl:template>
<xsl:template match="front">
<xsl:if test="$xml2rfc-topblock!='no'">
<!-- collect information for left column -->
<xsl:variable name="leftColumn">
<xsl:call-template name="collectLeftHeaderColumn" />
</xsl:variable>
<!-- collect information for right column -->
<xsl:variable name="rightColumn">
<xsl:call-template name="collectRightHeaderColumn" />
</xsl:variable>
<!-- insert the collected information -->
<fo:table width="100%" table-layout="fixed">
<fo:table-column column-width="proportional-column-width(1)" />
<fo:table-column column-width="proportional-column-width(1)" />
<fo:table-body>
<xsl:choose>
<xsl:when test="function-available('exslt:node-set')">
<xsl:call-template name="emitheader">
<xsl:with-param name="lc" select="exslt:node-set($leftColumn)" />
<xsl:with-param name="rc" select="exslt:node-set($rightColumn)" />
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="emitheader">
<xsl:with-param name="lc" select="$leftColumn" />
<xsl:with-param name="rc" select="$rightColumn" />
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</fo:table-body>
</fo:table>
</xsl:if>
<fo:block xsl:use-attribute-sets="title">
<xsl:apply-templates select="/rfc/front/title/node()"/>
<xsl:if test="/rfc/@docName">
<fo:block font-size="80%"><xsl:value-of select="/rfc/@docName" /></fo:block>
</xsl:if>
</fo:block>
<xsl:if test="not($abstract-first)">
<xsl:if test="$xml2rfc-private=''">
<xsl:call-template name="emit-ietf-preamble">
<xsl:with-param name="notes" select="$notes-in-boilerplate"/>
</xsl:call-template>
</xsl:if>
</xsl:if>
<xsl:apply-templates select="abstract" />
<xsl:if test="$notes-follow-abstract">
<xsl:apply-templates select="$notes-not-in-boilerplate" />
</xsl:if>
<xsl:if test="$abstract-first">
<xsl:if test="$xml2rfc-private=''">
<xsl:call-template name="emit-ietf-preamble">
<xsl:with-param name="notes" select="$notes-in-boilerplate"/>
</xsl:call-template>
</xsl:if>
</xsl:if>
<xsl:if test="not($notes-follow-abstract)">
<xsl:apply-templates select="$notes-not-in-boilerplate" />
</xsl:if>
<xsl:if test="$xml2rfc-toc='yes'">
<xsl:apply-templates select="/" mode="toc" />
<!--<xsl:call-template name="insertTocAppendix" />-->
</xsl:if>
</xsl:template>
<xsl:template match="eref[text()|*]">
<fo:basic-link external-destination="url('{@target}')" xsl:use-attribute-sets="external-link">
<xsl:call-template name="format-uri">
<xsl:with-param name="s" select="."/>
</xsl:call-template>
</fo:basic-link>
<fo:footnote>
<fo:inline font-size="6pt" vertical-align="super"><xsl:number level="any" count="eref[text()|*]" /></fo:inline>
<fo:footnote-body>
<fo:block font-size="8pt" start-indent="2em" text-align="left">
<fo:inline font-size="6pt" vertical-align="super"><xsl:number level="any" count="eref[text()|*]" /></fo:inline>
<xsl:text> </xsl:text>
<xsl:value-of select="@target" />
</fo:block>
</fo:footnote-body>
</fo:footnote>
</xsl:template>
<xsl:template match="eref[not(text()|*)]">
<xsl:variable name="in-angles" select="(not(/rfc/@version >= 3) and not(@brackets='none')) or @brackets='angle'"/>
<xsl:if test="$in-angles"><xsl:text><</xsl:text></xsl:if>
<fo:basic-link external-destination="url('{@target}')" xsl:use-attribute-sets="external-link">
<xsl:call-template name="format-uri">
<xsl:with-param name="s" select="@target"/>
</xsl:call-template>
</fo:basic-link>
<xsl:if test="$in-angles"><xsl:text>></xsl:text></xsl:if>
</xsl:template>
<!-- processed in a later stage -->
<xsl:template match="iref[not(ancestor::t or ancestor::li) and not(parent::section)]">
<fo:block>
<xsl:attribute name="id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
<xsl:choose>
<xsl:when test="@primary='true'">
<xsl:attribute name="index-key">
<xsl:value-of select="concat('item=',@item,',subitem=',@subitem,',primary')"/>
</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="index-key">
<xsl:value-of select="concat('item=',@item,',subitem=',@subitem)"/>
</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
</fo:block>
</xsl:template>
<xsl:template match="iref[parent::section]">
<!-- processed on section level -->
</xsl:template>
<xsl:template match="iref[(ancestor::t or ancestor::li) and not(parent::section)]">
<fo:inline>
<xsl:attribute name="id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
<xsl:choose>
<xsl:when test="@primary='true'">
<xsl:attribute name="index-key">
<xsl:value-of select="concat('item=',@item,',subitem=',@subitem,',primary')"/>
</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="index-key">
<xsl:value-of select="concat('item=',@item,',subitem=',@subitem)"/>
</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
</fo:inline>
</xsl:template>
<xsl:template match="iref" mode="iref-start">
<fo:index-range-begin>
<xsl:attribute name="id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
<xsl:choose>
<xsl:when test="@primary='true'">
<xsl:attribute name="index-key">
<xsl:value-of select="concat('item=',@item,',subitem=',@subitem,',primary')"/>
</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="index-key">
<xsl:value-of select="concat('item=',@item,',subitem=',@subitem)"/>
</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
</fo:index-range-begin>
</xsl:template>
<xsl:template match="iref" mode="iref-end">
<fo:index-range-end>
<xsl:attribute name="ref-id"><xsl:value-of select="$anchor-pref" />iref.<xsl:number level="any"/></xsl:attribute>
</fo:index-range-end>
</xsl:template>
<xsl:template match="dl">
<xsl:variable name="spac" select="@spacing"/>
<xsl:variable name="width">
<xsl:choose>
<xsl:when test="@indent">
<xsl:value-of select="@indent div 2"/>
<xsl:text>em</xsl:text>
</xsl:when>
<xsl:otherwise>
<!-- find longest label and use it to calculate indentation-->
<xsl:variable name="l">
<xsl:for-each select="dt">
<xsl:sort select="string-length(.)" order="descending" data-type="number"/>
<xsl:if test="position()=1">
<xsl:value-of select="." />
</xsl:if>
</xsl:for-each>
</xsl:variable>
<xsl:value-of select="concat(format-number(string-length($l) * 0.8, '#.0'),'em')"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<fo:list-block provisional-distance-between-starts="{$width}">
<xsl:if test="parent::section|parent::note|parent::abstract">
<xsl:attribute name="start-indent">2em</xsl:attribute>
</xsl:if>
<xsl:for-each select="dt">
<fo:list-item>
<xsl:if test="not($spac='compact')">
<xsl:attribute name="space-before">.5em</xsl:attribute>
<xsl:attribute name="space-after">.5em</xsl:attribute>
</xsl:if>
<xsl:apply-templates select="."/>
<xsl:apply-templates select="following-sibling::dd[1]"/>
</fo:list-item>
</xsl:for-each>
</fo:list-block>
</xsl:template>
<xsl:template match="dl/dt">
<fo:list-item-label end-indent="label-end()">
<xsl:call-template name="copy-anchor"/>
<fo:block>
<xsl:call-template name="attach-paragraph-number-as-id"/>
<xsl:apply-templates/>
</fo:block>
</fo:list-item-label>
</xsl:template>
<xsl:template match="dl/dd">
<fo:list-item-body start-indent="body-start()">
<xsl:call-template name="copy-anchor"/>
<fo:block>
<xsl:call-template name="attach-paragraph-number-as-id"/>
<xsl:variable name="block-level-children" select="artwork|aside|dl|figure|ol|sourcecode|t|table|ul"/>
<xsl:choose>
<xsl:when test="$block-level-children">
<!-- TODO: improve error handling-->
<xsl:for-each select="$block-level-children">
<xsl:choose>
<xsl:when test="self::t">
<fo:block>
<xsl:call-template name="copy-anchor"/>
<xsl:apply-templates/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:block>
<xsl:apply-templates select="."/>
</fo:block>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<fo:block>
<xsl:apply-templates/>
</fo:block>
</xsl:otherwise>
</xsl:choose>
</fo:block>
</fo:list-item-body>
</xsl:template>
<xsl:template name="list-empty">
<fo:list-block provisional-distance-between-starts="2em">
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template name="list-format">
<fo:list-block provisional-distance-between-starts="{string-length(@style) - string-length('format ')}em">
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template name="list-hanging">
<xsl:variable name="width">
<xsl:choose>
<xsl:when test="@x:indent">
<xsl:value-of select="@x:indent"/>
</xsl:when>
<xsl:otherwise>
<!-- find longest label and use it to calculate indentation-->
<xsl:variable name="l">
<xsl:for-each select="t">
<xsl:sort select="string-length(@hangText)" order="descending" data-type="number"/>
<xsl:if test="position()=1">
<xsl:value-of select="@hangText" />
</xsl:if>
</xsl:for-each>
</xsl:variable>
<xsl:value-of select="concat(format-number(string-length($l) * 0.8, '#.0'),'em')"/>
</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<fo:list-block provisional-distance-between-starts="{$width}">
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template name="list-letters">
<fo:list-block provisional-distance-between-starts="1.5em">
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template name="list-numbers">
<fo:list-block provisional-distance-between-starts="1.5em">
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template name="list-symbols">
<fo:list-block provisional-distance-between-starts="1.5em">
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template match="list">
<xsl:variable name="style" select="ancestor-or-self::list[@style][1]/@style"/>
<xsl:call-template name="check-no-text-content"/>
<xsl:choose>
<xsl:when test="not($style) or $style='empty'">
<xsl:call-template name="check-no-hangindent"/>
<xsl:call-template name="list-empty"/>
</xsl:when>
<xsl:when test="starts-with($style, 'format ')">
<xsl:call-template name="list-format"/>
</xsl:when>
<xsl:when test="$style='hanging'">
<xsl:call-template name="list-hanging"/>
</xsl:when>
<xsl:when test="$style='letters'">
<xsl:call-template name="check-no-hangindent"/>
<xsl:call-template name="list-letters"/>
</xsl:when>
<xsl:when test="$style='numbers'">
<xsl:call-template name="check-no-hangindent"/>
<xsl:call-template name="list-numbers"/>
</xsl:when>
<xsl:when test="$style='symbols'">
<xsl:call-template name="check-no-hangindent"/>
<xsl:call-template name="list-symbols"/>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="error">
<xsl:with-param name="msg" select="concat('Unsupported style attribute: ', $style)"/>
</xsl:call-template>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="list[@style='hanging']/x:lt" priority="1">
<xsl:variable name="compact">
<xsl:call-template name="get-compact-setting"/>
</xsl:variable>
<fo:list-item>
<xsl:if test="not($compact='yes')">
<xsl:attribute name="space-before">.5em</xsl:attribute>
<xsl:attribute name="space-after">.5em</xsl:attribute>
</xsl:if>
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()"><fo:block><xsl:value-of select="@hangText" /></fo:block></fo:list-item-label>
<fo:list-item-body start-indent="body-start()">
<xsl:for-each select="t">
<fo:block>
<xsl:if test="position()!=1">
<xsl:attribute name="space-before">.5em</xsl:attribute>
</xsl:if>
<xsl:apply-templates />
</fo:block>
</xsl:for-each>
</fo:list-item-body>
</fo:list-item>
</xsl:template>
<xsl:template match="list[@style='hanging']/t | list[@style='hanging']/ed:replace/ed:ins/t" priority="1">
<xsl:variable name="compact">
<xsl:call-template name="get-compact-setting"/>
</xsl:variable>
<fo:list-item>
<xsl:if test="not($compact='yes')">
<xsl:attribute name="space-before">.5em</xsl:attribute>
<xsl:attribute name="space-after">.5em</xsl:attribute>
</xsl:if>
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()"><fo:block><xsl:value-of select="@hangText" /></fo:block></fo:list-item-label>
<fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
</fo:list-item>
</xsl:template>
<xsl:template match="ul">
<xsl:choose>
<xsl:when test="not(li) and @x:when-empty">
<fo:block>
<xsl:call-template name="copy-anchor"/>
<xsl:value-of select="@x:when-empty"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<fo:list-block provisional-distance-between-starts="1.5em">
<xsl:call-template name="copy-anchor"/>
<xsl:if test="self::ul and parent::section|parent::note|parent::abstract">
<xsl:attribute name="start-indent">2em</xsl:attribute>
</xsl:if>
<xsl:apply-templates />
</fo:list-block>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="ul[not(@empty='true')]/li | list[@style='symbols' or (not(@style) and ancestor::list[@style='symbols'])]/t" priority="1">
<fo:list-item space-before=".25em" space-after=".25em">
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label>
<fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
</fo:list-item>
</xsl:template>
<xsl:template match="list[@style='symbols' or (not(@style) and ancestor::list[@style='symbols'])]/x:lt" priority="1">
<fo:list-item space-before=".25em" space-after=".25em">
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()"><fo:block>•</fo:block></fo:list-item-label>
<fo:list-item-body start-indent="body-start()">
<xsl:for-each select="t">
<fo:block>
<xsl:if test="position()!=1">
<xsl:attribute name="space-before">.25em</xsl:attribute>
</xsl:if>
<xsl:apply-templates />
</fo:block>
</xsl:for-each>
</fo:list-item-body>
</fo:list-item>
</xsl:template>
<xsl:template match="ul[@empty='true']/li | list/t">
<fo:list-item space-before=".25em" space-after=".25em">
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()"><fo:block></fo:block></fo:list-item-label>
<fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
</fo:list-item>
</xsl:template>
<xsl:template match="ol[not(@type) or string-length(@type)=1]">
<fo:list-block provisional-distance-between-starts="1.5em">
<xsl:call-template name="copy-anchor"/>
<xsl:if test="self::ol and parent::section|parent::note|parent::abstract">
<xsl:attribute name="start-indent">2em</xsl:attribute>
</xsl:if>
<xsl:apply-templates />
</fo:list-block>
</xsl:template>
<xsl:template match="ol[not(@type) or string-length(@type)=1]/li[not(blockquote|t)] | list[@style='numbers' or @style='letters' or (not(@style) and ancestor::list[@style='numbers' or @style='letters'])]/t" priority="1">
<fo:list-item space-before=".25em" space-after=".25em">
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()">
<fo:block>
<xsl:choose>
<xsl:when test="ancestor::ol">
<xsl:variable name="node" select="ancestor::ol"/>
<xsl:variable name="s">
<xsl:choose>
<xsl:when test="$node/@group">
<xsl:call-template name="ol-start">
<xsl:with-param name="node" select="$node"/>
</xsl:call-template>
</xsl:when>
<xsl:when test="$node/@start">
<xsl:value-of select="$node/@start"/>
</xsl:when>
<xsl:otherwise>1</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="n"><xsl:number/></xsl:variable>
<xsl:choose>
<xsl:when test="$node/@type='a' or $node/@type='A' or $node/@type='i' or $node/@type='I'">
<xsl:number value="$n + $s - 1" format="{$node/@type}"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$n + $s - 1"/>
</xsl:otherwise>
</xsl:choose>
<xsl:text>.</xsl:text>
</xsl:when>
<xsl:when test="ancestor::list/@style='numbers'"><xsl:number/>.</xsl:when>
<xsl:when test="ancestor::list/@style='letters'"><xsl:number format="a"/>.</xsl:when>
<xsl:otherwise>???</xsl:otherwise>
</xsl:choose>
</fo:block>
</fo:list-item-label>
<fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>
</fo:list-item>
</xsl:template>
<xsl:template match="ol[not(@type) or string-length(@type)=1]/li[blockquote|t] | list[@style='numbers' or @style='letters' or (not(@style) and ancestor::list[@style='numbers' or @style='letters'])]/x:lt" priority="1">
<fo:list-item space-before=".25em" space-after=".25em">
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()">
<fo:block>
<xsl:choose>
<xsl:when test="ancestor::ol and ancestor::ol/@start">
<xsl:variable name="n"><xsl:number/></xsl:variable>
<xsl:value-of select="$n + ancestor::ol/@start - 1"/>
<xsl:text>.</xsl:text>
</xsl:when>
<xsl:when test="ancestor::list/@style='numbers' or ancestor::ol"><xsl:number/>.</xsl:when>
<xsl:when test="ancestor::list/@style='letters'"><xsl:number format="a"/>.</xsl:when>
<xsl:otherwise>???</xsl:otherwise>
</xsl:choose>
</fo:block>
</fo:list-item-label>
<fo:list-item-body start-indent="body-start()">
<xsl:for-each select="blockquote|t">
<fo:block>
<xsl:if test="position()!=1">
<xsl:attribute name="space-before">.25em</xsl:attribute>
</xsl:if>
<xsl:choose>
<xsl:when test="self::t">
<xsl:apply-templates />
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="."/>
</xsl:otherwise>
</xsl:choose>
</fo:block>
</xsl:for-each>
</fo:list-item-body>
</fo:list-item>
</xsl:template>
<!-- special case: nested -->
<xsl:template match="list//t//list[@style='letters']/t" priority="9">
<fo:list-item space-before=".25em" space-after=".25em">
<xsl:call-template name="copy-anchor"/>
<fo:list-item-label end-indent="label-end()"><fo:block><xsl:number format="A"/>.</fo:block></fo:list-item-label>
<fo:list-item-body start-indent="body-start()"><fo:block><xsl:apply-templates /></fo:block></fo:list-item-body>