<?xml version='1.0'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:d="http://docbook.org/ns/docbook"
xmlns:fo="http://www.w3.org/1999/XSL/Format"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:exsl="http://exslt.org/common"
exclude-result-prefixes="exsl xlink d"
version='1.0'>
<!-- ********************************************************************
This file is part of the XSL DocBook Stylesheet distribution.
See ../README or http://cdn.docbook.org/release/xsl/current/ for
copyright and other information.
******************************************************************** -->
<xsl:template name="format.footnote.mark">
<xsl:param name="mark" select="'?'"/>
<fo:inline xsl:use-attribute-sets="footnote.mark.properties">
<xsl:choose>
<xsl:when test="$fop.extensions != 0">
<xsl:attribute name="vertical-align">super</xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="baseline-shift">super</xsl:attribute>
</xsl:otherwise>
</xsl:choose>
<xsl:copy-of select="$mark"/>
</fo:inline>
</xsl:template>
<xsl:template match="d:footnote">
<xsl:choose>
<xsl:when test="ancestor::d:table or ancestor::d:informaltable">
<xsl:call-template name="format.footnote.mark">
<xsl:with-param name="mark">
<xsl:apply-templates select="." mode="footnote.number"/>
</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<fo:footnote>
<fo:inline>
<xsl:call-template name="format.footnote.mark">
<xsl:with-param name="mark">
<xsl:apply-templates select="." mode="footnote.number"/>
</xsl:with-param>
</xsl:call-template>
</fo:inline>
<fo:footnote-body xsl:use-attribute-sets="footnote.properties">
<xsl:apply-templates/>
</fo:footnote-body>
</fo:footnote>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="d:footnoteref">
<xsl:variable name="footnote" select="key('id',@linkend)"/>
<xsl:if test="not(local-name($footnote) = 'footnote')">
<xsl:message terminate="yes">
ERROR: A footnoteref element has a linkend that points to an element that is not a footnote.
Typically this happens when an id attribute is accidentally applied to the child of a footnote element.
target element: <xsl:value-of select="local-name($footnote)"/>
linkend/id: <xsl:value-of select="@linkend"/>
</xsl:message>
</xsl:if>
<xsl:call-template name="format.footnote.mark">
<xsl:with-param name="mark">
<xsl:apply-templates select="$footnote" mode="footnote.number"/>
</xsl:with-param>
</xsl:call-template>
</xsl:template>
<xsl:template match="d:footnote" mode="footnote.number">
<xsl:choose>
<xsl:when test="string-length(@label) != 0">
<xsl:value-of select="@label"/>
</xsl:when>
<xsl:when test="ancestor::d:table or ancestor::d:informaltable">
<xsl:variable name="tfnum">
<xsl:number level="any" from="d:table|d:informaltable" format="1"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="string-length($table.footnote.number.symbols) >= $tfnum">
<xsl:value-of select="substring($table.footnote.number.symbols, $tfnum, 1)"/>
</xsl:when>
<xsl:otherwise>
<xsl:number level="any" from="d:table|d:informaltable"
format="{$table.footnote.number.format}"/>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="fnum">
<!-- * Determine the footnote number to display for this footnote, -->
<!-- * by counting all foonotes, ulinks, and any elements that have -->
<!-- * an xlink:href attribute that meets the following criteria: -->
<!-- * -->
<!-- * - the content of the element is not a URI that is the same -->
<!-- * URI as the value of the href attribute -->
<!-- * - the href attribute is not an internal ID reference (does -->
<!-- * not start with a hash sign) -->
<!-- * - the href is not part of an olink reference (the element -->
<!-- * - does not have an xlink:role attribute that indicates it is -->
<!-- * an olink, and the hrf does not contain a hash sign) -->
<!-- * - the element either has no xlink:type attribute or has -->
<!-- * an xlink:type attribute whose value is 'simple' -->
<!-- * -->
<!-- * Note that hyperlinks are counted only if both the value of -->
<!-- * ulink.footnotes is non-zero and the value of ulink.show is -->
<!-- * non-zero -->
<!-- FIXME: list in @from is probably not complete -->
<xsl:number level="any"
from="d:chapter|d:appendix|d:preface|d:article|d:refentry|d:bibliography"
count="d:footnote[not(@label)][not(ancestor::d:table) and not(ancestor::d:informaltable)]
|d:ulink[$ulink.footnotes != 0][node()][@url != .][not(ancestor::d:footnote)][$ulink.show != 0]
|*[node()][@xlink:href][not(@xlink:href = .)][not(starts-with(@xlink:href,'#'))]
[not(contains(@xlink:href,'#') and @xlink:role = $xolink.role)]
[not(@xlink:type) or @xlink:type='simple']
[not(ancestor::d:footnote)][$ulink.footnotes != 0][$ulink.show != 0]
"
format="1"/>
</xsl:variable>
<xsl:choose>
<xsl:when test="string-length($footnote.number.symbols) >= $fnum">
<xsl:value-of select="substring($footnote.number.symbols, $fnum, 1)"/>
</xsl:when>
<xsl:otherwise>
<xsl:number value="$fnum" format="{$footnote.number.format}"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- ==================================================================== -->
<xsl:template match="*" mode="footnote.body.number">
<xsl:variable name="footnote.mark">
<xsl:call-template name="format.footnote.mark">
<xsl:with-param name="mark">
<xsl:apply-templates select="ancestor::d:footnote" mode="footnote.number"/>
</xsl:with-param>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="fo">
<xsl:apply-templates select="."/>
</xsl:variable>
<xsl:variable name="fo-nodes" select="exsl:node-set($fo)"/>
<xsl:choose>
<xsl:when test="$fo-nodes//fo:block">
<xsl:apply-templates select="$fo-nodes" mode="insert.fo.fnum">
<xsl:with-param name="mark" select="$footnote.mark"/>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="$fo-nodes" mode="insert.fo.text">
<xsl:with-param name="mark" select="$footnote.mark"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- ==================================================================== -->
<xsl:template match="d:footnote/d:para[1]
|d:footnote/d:simpara[1]
|d:footnote/d:formalpara[1]"
priority="2">
<!-- this only works if the first thing in a footnote is a para, -->
<!-- which is ok, because it usually is. -->
<fo:block>
<xsl:call-template name="format.footnote.mark">
<xsl:with-param name="mark">
<xsl:apply-templates select="ancestor::d:footnote" mode="footnote.number"/>
</xsl:with-param>
</xsl:call-template>
<xsl:apply-templates/>
</fo:block>
</xsl:template>
<xsl:template match="d:footnote" mode="table.footnote.mode">
<xsl:choose>
<xsl:when test="local-name(*[1]) = 'para' or local-name(*[1]) = 'simpara'">
<fo:block xsl:use-attribute-sets="table.footnote.properties">
<xsl:apply-templates/>
</fo:block>
</xsl:when>
<xsl:when test="$exsl.node.set.available != 0">
<fo:block xsl:use-attribute-sets="table.footnote.properties">
<xsl:apply-templates select="*[1]" mode="footnote.body.number"/>
<xsl:apply-templates select="*[position() > 1]"/>
</fo:block>
</xsl:when>
<xsl:otherwise>
<xsl:message>
<xsl:text>Warning: footnote number may not be generated </xsl:text>
<xsl:text>correctly; </xsl:text>
<xsl:value-of select="local-name(*[1])"/>
<xsl:text> unexpected as first child of footnote.</xsl:text>
</xsl:message>
<fo:block xsl:use-attribute-sets="table.footnote.properties">
<xsl:apply-templates/>
</fo:block>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>