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- <?xml version='1.0'?>
- <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
- xmlns:doc="http://nwalsh.com/xsl/documentation/1.0"
- exclude-result-prefixes="doc"
- version='1.0'>
-
- <!-- ********************************************************************
- $Id: ebnf.xsl,v 1.1.2.1 2002/09/04 13:50:25 jdj Exp $
- ********************************************************************
-
- This file is part of the XSL DocBook Stylesheet distribution.
- See ../README or http://nwalsh.com/docbook/xsl/ for copyright
- and other information.
-
- ******************************************************************** -->
-
- <doc:reference xmlns="">
- <referenceinfo>
- <releaseinfo role="meta">
- $Id: ebnf.xsl,v 1.1.2.1 2002/09/04 13:50:25 jdj Exp $
- </releaseinfo>
- <author><surname>Walsh</surname>
- <firstname>Norman</firstname></author>
- <copyright><year>1999</year><year>2000</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">
- <table width="100%" cellpadding="5">
- <xsl:if test="$ebnf.table.bgcolor != ''">
- <xsl:attribute name="bgcolor">
- <xsl:value-of select="$ebnf.table.bgcolor"/>
- </xsl:attribute>
- </xsl:if>
- <xsl:if test="$ebnf.table.border != 0">
- <xsl:attribute name="border">1</xsl:attribute>
- </xsl:if>
- <xsl:attribute name="class">
- <xsl:value-of select="name(.)"/>
- </xsl:attribute>
- <xsl:attribute name="summary">
- <xsl:text>EBNF</xsl:text>
- <xsl:if test="title">
- <xsl:text> for </xsl:text>
- <xsl:value-of select="title"/>
- </xsl:if>
- </xsl:attribute>
-
- <xsl:if test="title">
- <tr>
- <th align="left" valign="top" class="{name(.)}">
- <xsl:apply-templates select="title"/>
- </th>
- </tr>
- </xsl:if>
- <tr>
- <td>
- <table border="0" width="99%" cellpadding="0">
- <xsl:if test="$ebnf.table.bgcolor != ''">
- <xsl:attribute name="bgcolor">
- <xsl:value-of select="$ebnf.table.bgcolor"/>
- </xsl:attribute>
- </xsl:if>
- <xsl:attribute name="class">
- <xsl:value-of select="name(.)"/>
- </xsl:attribute>
- <xsl:attribute name="summary">EBNF productions</xsl:attribute>
- <xsl:apply-templates select="production|productionrecap"/>
- </table>
- </td>
- </tr>
- </table>
- </xsl:template>
-
- <xsl:template match="productionset/title">
- <xsl:apply-templates/>
- </xsl:template>
-
- <xsl:template match="production">
- <xsl:param name="recap" select="false()"/>
- <tr>
- <td align="left" valign="top" width="3%">
- <xsl:text>[</xsl:text>
- <xsl:number count="production" level="any"/>
- <xsl:text>]</xsl:text>
- </td>
- <td align="right" valign="top" width="10%">
- <xsl:choose>
- <xsl:when test="$recap">
- <a>
- <xsl:attribute name="href">
- <xsl:call-template name="href.target">
- <xsl:with-param name="object" select="."/>
- </xsl:call-template>
- </xsl:attribute>
- <xsl:apply-templates select="lhs"/>
- </a>
- </xsl:when>
- <xsl:otherwise>
- <xsl:call-template name="anchor"/>
- <xsl:apply-templates select="lhs"/>
- </xsl:otherwise>
- </xsl:choose>
- </td>
- <td valign="top" width="5%" align="center"><tt>::=</tt></td>
- <td valign="top" width="52%">
- <xsl:apply-templates select="rhs"/>
- </td>
- <td align="left" valign="top" width="30%">
- <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>
- </td>
- </tr>
- </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:if test="following-sibling::rhs">
- <xsl:text> |</xsl:text>
- <br/>
- </xsl:if>
- </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="href.target">
- <xsl:with-param name="object" select="$target"/>
- </xsl:call-template>
- </xsl:when>
- <xsl:otherwise>
- <xsl:value-of select="@def"/>
- </xsl:otherwise>
- </xsl:choose>
- </xsl:variable>
-
- <a href="{$href}">
- <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>
- </a>
- </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>
- <br/>
- </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="$targets[1]"/>
- <xsl:call-template name="href.target">
- <xsl:with-param name="object" select="$target"/>
- </xsl:call-template>
- </xsl:variable>
-
- <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="$target/@role"/>
- <xsl:text>: </xsl:text>
- </xsl:if>
- </xsl:otherwise>
- </xsl:choose>
-
- <a href="{$href}">
- <xsl:variable name="targets" select="key('id',@linkend)"/>
- <xsl:variable name="target" select="$targets[1]"/>
- <xsl:apply-templates select="$target" mode="title.markup"/>
- </a>
- <xsl:text> ]</xsl:text>
- <xsl:if test="following-sibling::constraint">
- <br/>
- </xsl:if>
- </xsl:template>
-
- <xsl:template match="constraintdef">
- <div class="{name(.)}">
- <xsl:call-template name="anchor"/>
- <xsl:apply-templates/>
- </div>
- </xsl:template>
-
- <xsl:template match="constraintdef/title">
- <p><b><xsl:apply-templates/></b></p>
- </xsl:template>
-
- <!-- ==================================================================== -->
-
- </xsl:stylesheet>
-