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Diffstat (limited to 'fo/footnote.xsl')
| -rw-r--r-- | fo/footnote.xsl | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/fo/footnote.xsl b/fo/footnote.xsl new file mode 100644 index 0000000..cc0242d --- /dev/null +++ b/fo/footnote.xsl @@ -0,0 +1,220 @@ +<?xml version='1.0'?> +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" + 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" + version='1.0'> + +<!-- ******************************************************************** + $Id: footnote.xsl 8359 2009-03-20 18:42:06Z bobstayton $ + ******************************************************************** + + This file is part of the XSL DocBook Stylesheet distribution. + See ../README or http://docbook.sf.net/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="footnote"> + <xsl:choose> + <xsl:when test="ancestor::table or ancestor::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="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="$footnote" mode="footnote.number"/> + </xsl:with-param> + </xsl:call-template> +</xsl:template> + +<xsl:template match="footnote" mode="footnote.number"> + <xsl:choose> + <xsl:when test="string-length(@label) != 0"> + <xsl:value-of select="@label"/> + </xsl:when> + <xsl:when test="ancestor::table or ancestor::informaltable"> + <xsl:variable name="tfnum"> + <xsl:number level="any" from="table|informaltable" format="1"/> + </xsl:variable> + + <xsl:choose> + <xsl:when test="string-length($table.footnote.number.symbols) >= $tfnum"> + <xsl:value-of select="substring($table.footnote.number.symbols, $tfnum, 1)"/> + </xsl:when> + <xsl:otherwise> + <xsl:number level="any" from="table|informaltable" + format="{$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="chapter|appendix|preface|article|refentry|bibliography" + count="footnote[not(@label)][not(ancestor::table) and not(ancestor::informaltable)] + |ulink[$ulink.footnotes != 0][node()][@url != .][not(ancestor::footnote)][$ulink.show != 0] + |*[node()][@xlink:href][not(@xlink:href = .)][not(starts-with(@xlink:href,'#'))] + [not(contains(@xlink:href,'#') and @xlink:role = $xolink.role)] + [not(@xlink:type) or @xlink:type='simple'] + [not(ancestor::footnote)][$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="{$footnote.number.format}"/> + </xsl:otherwise> + </xsl:choose> + </xsl:otherwise> + </xsl:choose> +</xsl:template> + +<!-- ==================================================================== --> + +<xsl:template match="*" mode="footnote.body.number"> + <xsl:variable name="footnote.mark"> + <xsl:call-template name="format.footnote.mark"> + <xsl:with-param name="mark"> + <xsl:apply-templates select="ancestor::footnote" mode="footnote.number"/> + </xsl:with-param> + </xsl:call-template> + </xsl:variable> + + <xsl:variable name="fo"> + <xsl:apply-templates select="."/> + </xsl:variable> + + <xsl:variable name="fo-nodes" select="exsl:node-set($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="$footnote.mark"/> + </xsl:apply-templates> + </xsl:otherwise> + </xsl:choose> +</xsl:template> + +<!-- ==================================================================== --> + +<xsl:template match="footnote/para[1] + |footnote/simpara[1] + |footnote/formalpara[1]" + priority="2"> + <!-- this only works if the first thing in a footnote is a para, --> + <!-- which is ok, because it usually is. --> + <fo:block> + <xsl:call-template name="format.footnote.mark"> + <xsl:with-param name="mark"> + <xsl:apply-templates select="ancestor::footnote" mode="footnote.number"/> + </xsl:with-param> + </xsl:call-template> + <xsl:apply-templates/> + </fo:block> +</xsl:template> + +<xsl:template match="footnote" mode="table.footnote.mode"> + <xsl:choose> + <xsl:when test="local-name(*[1]) = 'para' or local-name(*[1]) = 'simpara'"> + <fo:block xsl:use-attribute-sets="table.footnote.properties"> + <xsl:apply-templates/> + </fo:block> + </xsl:when> + + <xsl:when test="$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> |