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3rdparty/boost_1_81_0/tools/boostbook/xsl/sections.xsl 4.66 KB
73ef4ff3   Hu Chunming   提交三方库
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  <!--
     Copyright (c) 2022 Evan Lenz <evan@lenzconsulting.com>
  
     Distributed under the Boost Software License, Version 1.0.
     (See accompanying file LICENSE_1_0.txt or copy at
     http://www.boost.org/LICENSE_1_0.txt)
  -->
  <xsl:stylesheet
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    version="1.0">
  
  <!--
    This addresses a bug in the DocBook stylesheets that causes
    <h7> or <h8> to appear in the output; it forces such headings
    to be <h6> (the highest valid heading element in HTML).
  
    The rule below is copied verbatim from DocBook's html/sections.xsl
    with the exception of the called-out part below.
  -->
  <xsl:template match="bridgehead">
    <xsl:variable name="container"
                  select="(ancestor::appendix
                          |ancestor::article
                          |ancestor::bibliography
                          |ancestor::chapter
                          |ancestor::glossary
                          |ancestor::glossdiv
                          |ancestor::index
                          |ancestor::partintro
                          |ancestor::preface
                          |ancestor::refsect1
                          |ancestor::refsect2
                          |ancestor::refsect3
                          |ancestor::sect1
                          |ancestor::sect2
                          |ancestor::sect3
                          |ancestor::sect4
                          |ancestor::sect5
                          |ancestor::section
                          |ancestor::setindex
                          |ancestor::simplesect)[last()]"/>
  
    <xsl:variable name="clevel">
      <xsl:choose>
        <xsl:when test="local-name($container) = 'appendix'
                        or local-name($container) = 'chapter'
                        or local-name($container) = 'article'
                        or local-name($container) = 'bibliography'
                        or local-name($container) = 'glossary'
                        or local-name($container) = 'index'
                        or local-name($container) = 'partintro'
                        or local-name($container) = 'preface'
                        or local-name($container) = 'setindex'">1</xsl:when>
        <xsl:when test="local-name($container) = 'glossdiv'">
          <xsl:value-of select="count(ancestor::glossdiv)+1"/>
        </xsl:when>
        <xsl:when test="local-name($container) = 'sect1'
                        or local-name($container) = 'sect2'
                        or local-name($container) = 'sect3'
                        or local-name($container) = 'sect4'
                        or local-name($container) = 'sect5'
                        or local-name($container) = 'refsect1'
                        or local-name($container) = 'refsect2'
                        or local-name($container) = 'refsect3'
                        or local-name($container) = 'section'
                        or local-name($container) = 'simplesect'">
          <xsl:variable name="slevel">
            <xsl:call-template name="section.level">
              <xsl:with-param name="node" select="$container"/>
            </xsl:call-template>
          </xsl:variable>
          <xsl:value-of select="$slevel + 1"/>
        </xsl:when>
        <xsl:otherwise>1</xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
  
    <!-- HTML H level is one higher than section level -->
    <xsl:variable name="hlevel">
      <xsl:choose>
        <xsl:when test="@renderas = 'sect1'">2</xsl:when>
        <xsl:when test="@renderas = 'sect2'">3</xsl:when>
        <xsl:when test="@renderas = 'sect3'">4</xsl:when>
        <xsl:when test="@renderas = 'sect4'">5</xsl:when>
        <xsl:when test="@renderas = 'sect5'">6</xsl:when>
        <xsl:otherwise>
          <!-- ====================================================== -->
          <!-- == START: BoostBook-specific fix ===================== -->
          <!-- ====================================================== -->
          <xsl:choose>
            <xsl:when test="$clevel >= 6">6</xsl:when>
            <xsl:otherwise>
              <xsl:value-of select="$clevel + 1"/>
            </xsl:otherwise>
          </xsl:choose>
          <!--
          <xsl:value-of select="$clevel + 1"/>
          -->
          <!-- ====================================================== -->
          <!-- == END: BoostBook-specific fix ======================= -->
          <!-- ====================================================== -->
        </xsl:otherwise>
      </xsl:choose>
    </xsl:variable>
  
    <xsl:element name="h{$hlevel}">
      <xsl:call-template name="id.attribute">
        <xsl:with-param name="conditional" select="0"/>
      </xsl:call-template>
      <xsl:call-template name="anchor">
        <xsl:with-param name="conditional" select="0"/>
      </xsl:call-template>
      <xsl:apply-templates/>
    </xsl:element>
  </xsl:template>
  
  </xsl:stylesheet>