stylesheets/lfs-xsl/chunkfast.xsl

   1 <?xml version='1.0' encoding='ISO-8859-1'?>
   2
   3 <!--
   4 $LastChangedBy$
   5 $Date$
   6 -->
   7
   8 <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
   9                 xmlns="http://www.w3.org/1999/xhtml"
  10                 xmlns:exsl="http://exslt.org/common"
  11                 xmlns:cf="http://docbook.sourceforge.net/xmlns/chunkfast/1.0"
  12                 version="1.0"
  13                 exclude-result-prefixes="cf exsl">
  14
  15    <!-- Top-level chunked code for fast processing.
  16         Import standart customized chunk code.
  17         Replaces {docbook-xsl}/xhtml/chunkfast.xsl
  18
  19         Note: Using this file as the top-level for chunked output implies that
  20               profiling must be done on a previous step. -->
  21
  22     <!-- Our master chunking templates -->
  23   <xsl:import href="chunk-master.xsl"/>
  24
  25     <!-- Use chunk.fast code? 1 = yes, 0 = no -->
  26   <xsl:param name="chunk.fast" select="1"/>
  27
  28   <!-- The code below was copied as-is from {docbook-xsl}/xhtml/chunkfast.xsl -->
  29
  30   <xsl:variable name="chunks" select="exsl:node-set($chunk.hierarchy)//cf:div"/>
  31
  32   <xsl:template name="process-chunk-element">
  33     <xsl:choose>
  34       <xsl:when test="$chunk.fast != 0 and function-available('exsl:node-set')">
  35         <xsl:variable name="genid" select="generate-id()"/>
  36
  37         <xsl:variable name="div" select="$chunks[@id=$genid or @xml:id=$genid]"/>
  38
  39         <xsl:variable name="prevdiv" select="($div/preceding-sibling::cf:div|$div/preceding::cf:div|$div/parent::cf:div)[last()]"/>
  40         <xsl:variable name="prev" select="key('genid', ($prevdiv/@id|$prevdiv/@xml:id)[1])"/>
  41
  42         <xsl:variable name="nextdiv" select="($div/following-sibling::cf:div|$div/following::cf:div|$div/cf:div)[1]"/>
  43         <xsl:variable name="next" select="key('genid', ($nextdiv/@id|$nextdiv/@xml:id)[1])"/>
  44
  45         <xsl:choose>
  46           <xsl:when test="$onechunk != 0 and parent::*">
  47             <xsl:apply-imports/>
  48           </xsl:when>
  49           <xsl:otherwise>
  50             <xsl:call-template name="process-chunk">
  51               <xsl:with-param name="prev" select="$prev"/>
  52               <xsl:with-param name="next" select="$next"/>
  53             </xsl:call-template>
  54           </xsl:otherwise>
  55         </xsl:choose>
  56       </xsl:when>
  57       <xsl:otherwise>
  58         <xsl:choose>
  59           <xsl:when test="$onechunk != 0 and not(parent::*)">
  60             <xsl:call-template name="chunk-all-sections"/>
  61           </xsl:when>
  62           <xsl:when test="$onechunk != 0">
  63             <xsl:apply-imports/>
  64           </xsl:when>
  65           <xsl:when test="$chunk.first.sections = 0">
  66             <xsl:call-template name="chunk-first-section-with-parent"/>
  67           </xsl:when>
  68           <xsl:otherwise>
  69             <xsl:call-template name="chunk-all-sections"/>
  70           </xsl:otherwise>
  71         </xsl:choose>
  72       </xsl:otherwise>
  73     </xsl:choose>
  74   </xsl:template>
  75
  76 </xsl:stylesheet>