<?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:doc="http://nwalsh.com/xsl/documentation/1.0" exclude-result-prefixes="doc" version='1.0'> <!-- ******************************************************************** $Id: ebnf.xsl 6910 2007-06-28 23:23:30Z xmldoc $ ******************************************************************** 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. ******************************************************************** --> <doc:reference xmlns=""> <referenceinfo> <releaseinfo role="meta"> $Id: ebnf.xsl 6910 2007-06-28 23:23:30Z xmldoc $ </releaseinfo> <author><surname>Walsh</surname> <firstname>Norman</firstname></author> <copyright><year>1999</year><year>2000</year><year>2001</year> <holder>Norman Walsh</holder> </copyright> </referenceinfo> <title>HTML EBNF Reference</title> <partintro> <section><title>Introduction</title> <para>This is technical reference documentation for the DocBook XSL Stylesheets; it documents (some of) the parameters, templates, and other elements of the stylesheets.</para> <para>This reference describes the templates and parameters relevant to formatting EBNF markup.</para> <para>This is not intended to be <quote>user</quote> documentation. It is provided for developers writing customization layers for the stylesheets, and for anyone who's interested in <quote>how it works</quote>.</para> <para>Although I am trying to be thorough, this documentation is known to be incomplete. Don't forget to read the source, too :-)</para> </section> </partintro> </doc:reference> <!-- ==================================================================== --> <xsl:template match="productionset"> <xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable> <xsl:choose> <xsl:when test="title"> <fo:block id="{$id}" xsl:use-attribute-sets="formal.object.properties"> <xsl:call-template name="formal.object.heading"> <xsl:with-param name="placement" select="'before'"/> </xsl:call-template> <fo:table table-layout="fixed" width="100%"> <fo:table-column column-number="1" column-width="3%"/> <fo:table-column column-number="2" column-width="15%"/> <fo:table-column column-number="3" column-width="5%"/> <fo:table-column column-number="4" column-width="52%"/> <fo:table-column column-number="5" column-width="25%"/> <fo:table-body start-indent="0pt" end-indent="0pt"> <xsl:apply-templates select="production|productionrecap"/> </fo:table-body> </fo:table> </fo:block> </xsl:when> <xsl:otherwise> <fo:table id="{$id}" table-layout="fixed" width="100%"> <fo:table-column column-number="1" column-width="3%"/> <fo:table-column column-number="2" column-width="15%"/> <fo:table-column column-number="3" column-width="5%"/> <fo:table-column column-number="4" column-width="52%"/> <fo:table-column column-number="5" column-width="25%"/> <fo:table-body start-indent="0pt" end-indent="0pt"> <xsl:apply-templates select="production|productionrecap"/> </fo:table-body> </fo:table> </xsl:otherwise> </xsl:choose> </xsl:template> <xsl:template match="productionset/title"> <!-- suppressed --> </xsl:template> <xsl:template match="production"> <xsl:param name="recap" select="false()"/> <xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable> <fo:table-row> <fo:table-cell> <fo:block text-align="start"> <xsl:text>[</xsl:text> <xsl:number count="production" level="any"/> <xsl:text>]</xsl:text> </fo:block> </fo:table-cell> <fo:table-cell> <fo:block text-align="end"> <xsl:choose> <xsl:when test="$recap"> <fo:basic-link internal-destination="{$id}" xsl:use-attribute-sets="xref.properties"> <xsl:apply-templates select="lhs"/> </fo:basic-link> </xsl:when> <xsl:otherwise> <fo:wrapper id="{$id}"> <xsl:apply-templates select="lhs"/> </fo:wrapper> </xsl:otherwise> </xsl:choose> </fo:block> </fo:table-cell> <fo:table-cell> <fo:block text-align="center"> <xsl:copy-of select="$ebnf.assignment"/> </fo:block> </fo:table-cell> <fo:table-cell> <fo:block> <xsl:apply-templates select="rhs"/> <xsl:copy-of select="$ebnf.statement.terminator"/> </fo:block> </fo:table-cell> <fo:table-cell border-start-width="3pt"> <fo:block text-align="start"> <xsl:choose> <xsl:when test="rhs/lineannotation|constraint"> <xsl:apply-templates select="rhs/lineannotation" mode="rhslo"/> <xsl:apply-templates select="constraint"/> </xsl:when> <xsl:otherwise> <xsl:text> </xsl:text> </xsl:otherwise> </xsl:choose> </fo:block> </fo:table-cell> </fo:table-row> </xsl:template> <xsl:template match="productionrecap"> <xsl:variable name="targets" select="key('id',@linkend)"/> <xsl:variable name="target" select="$targets[1]"/> <xsl:if test="count($targets)=0"> <xsl:message> <xsl:text>Error: no ID for productionrecap linkend: </xsl:text> <xsl:value-of select="@linkend"/> <xsl:text>.</xsl:text> </xsl:message> </xsl:if> <xsl:if test="count($targets)>1"> <xsl:message> <xsl:text>Warning: multiple "IDs" for productionrecap linkend: </xsl:text> <xsl:value-of select="@linkend"/> <xsl:text>.</xsl:text> </xsl:message> </xsl:if> <xsl:apply-templates select="$target"> <xsl:with-param name="recap" select="true()"/> </xsl:apply-templates> </xsl:template> <xsl:template match="lhs"> <xsl:apply-templates/> </xsl:template> <xsl:template match="rhs"> <xsl:apply-templates/> </xsl:template> <xsl:template match="nonterminal"> <xsl:variable name="linkend"> <xsl:call-template name="xpointer.idref"> <xsl:with-param name="xpointer" select="@def"/> </xsl:call-template> </xsl:variable> <xsl:call-template name="check.id.unique"> <xsl:with-param name="linkend" select="$linkend"/> </xsl:call-template> <xsl:call-template name="check.idref.targets"> <xsl:with-param name="linkend" select="$linkend"/> <xsl:with-param name="element-list">production</xsl:with-param> </xsl:call-template> <!-- If you don't provide content, you can't point outside this doc. --> <xsl:choose> <xsl:when test="*|text()"><!--nop--></xsl:when> <xsl:otherwise> <xsl:if test="$linkend = ''"> <xsl:message> <xsl:text>Non-terminals with no content must point to </xsl:text> <xsl:text>production elements in the current document.</xsl:text> </xsl:message> <xsl:message> <xsl:text>Invalid xpointer for empty nt: </xsl:text> <xsl:value-of select="@def"/> </xsl:message> </xsl:if> </xsl:otherwise> </xsl:choose> <xsl:variable name="href"> <xsl:choose> <xsl:when test="$linkend != ''"> <xsl:variable name="targets" select="key('id',$linkend)"/> <xsl:variable name="target" select="$targets[1]"/> <xsl:call-template name="object.id"> <xsl:with-param name="object" select="$target"/> </xsl:call-template> </xsl:when> <xsl:otherwise> <xsl:value-of select="@def"/> </xsl:otherwise> </xsl:choose> </xsl:variable> <fo:basic-link internal-destination="{$href}" xsl:use-attribute-sets="xref.properties"> <xsl:choose> <xsl:when test="*|text()"> <xsl:apply-templates/> </xsl:when> <xsl:otherwise> <xsl:choose> <xsl:when test="$linkend != ''"> <xsl:variable name="targets" select="key('id',$linkend)"/> <xsl:variable name="target" select="$targets[1]"/> <xsl:apply-templates select="$target/lhs"/> </xsl:when> <xsl:otherwise> <xsl:text>???</xsl:text> </xsl:otherwise> </xsl:choose> </xsl:otherwise> </xsl:choose> </fo:basic-link> </xsl:template> <xsl:template match="rhs/lineannotation"> <!--nop--> </xsl:template> <xsl:template match="rhs/lineannotation" mode="rhslo"> <xsl:text>/* </xsl:text> <xsl:apply-templates/> <xsl:text> */</xsl:text> </xsl:template> <xsl:template match="constraint"> <xsl:call-template name="check.id.unique"> <xsl:with-param name="linkend" select="@linkend"/> </xsl:call-template> <xsl:call-template name="check.idref.targets"> <xsl:with-param name="linkend" select="@linkend"/> <xsl:with-param name="element-list">constraintdef</xsl:with-param> </xsl:call-template> <xsl:variable name="href"> <xsl:variable name="targets" select="key('id',@linkend)"/> <xsl:variable name="target" select="$targets[1]"/> <xsl:call-template name="object.id"> <xsl:with-param name="object" select="$target"/> </xsl:call-template> </xsl:variable> <xsl:if test="preceding-sibling::constraint"> <fo:inline linefeed-treatment="preserve">
</fo:inline> </xsl:if> <xsl:text>[ </xsl:text> <xsl:choose> <xsl:when test="@role"> <xsl:value-of select="@role"/> <xsl:text>: </xsl:text> </xsl:when> <xsl:otherwise> <xsl:variable name="targets" select="key('id',@linkend)"/> <xsl:variable name="target" select="$targets[1]"/> <xsl:if test="$target/@role"> <xsl:value-of select="$target/@role"/> <xsl:text>: </xsl:text> </xsl:if> </xsl:otherwise> </xsl:choose> <fo:basic-link internal-destination="{$href}" xsl:use-attribute-sets="xref.properties"> <xsl:variable name="targets" select="key('id',@linkend)"/> <xsl:variable name="target" select="$targets[1]"/> <xsl:apply-templates select="$target" mode="title.markup"/> </fo:basic-link> <xsl:text> ]</xsl:text> </xsl:template> <xsl:template match="constraintdef"> <xsl:variable name="id"><xsl:call-template name="object.id"/></xsl:variable> <fo:block id="{$id}"> <xsl:apply-templates/> </fo:block> </xsl:template> <xsl:template match="constraintdef/title"> <fo:block font-weight="bold"> <xsl:apply-templates/> </fo:block> </xsl:template> <!-- ==================================================================== --> </xsl:stylesheet>