]> granicus.if.org Git - docbook-dsssl/commitdiff
Refactored chunking code so that customization of chunk algorithm and chunk elements...
authorNorman Walsh <ndw@nwalsh.com>
Thu, 8 May 2003 13:23:00 +0000 (13:23 +0000)
committerNorman Walsh <ndw@nwalsh.com>
Thu, 8 May 2003 13:23:00 +0000 (13:23 +0000)
xsl/html/chunk-code.xsl [new file with mode: 0644]
xsl/html/chunk.xsl

diff --git a/xsl/html/chunk-code.xsl b/xsl/html/chunk-code.xsl
new file mode 100644 (file)
index 0000000..dd26b4f
--- /dev/null
@@ -0,0 +1,811 @@
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:exsl="http://exslt.org/common"
+               version="1.0"
+                exclude-result-prefixes="exsl">
+
+<xsl:param name="onechunk" select="0"/>
+<xsl:param name="refentry.separator" select="0"/>
+<xsl:param name="chunk.fast" select="0"/>
+
+<xsl:key name="genid" match="*" use="generate-id()"/>
+
+<!-- ==================================================================== -->
+
+<xsl:variable name="chunk.hierarchy">
+  <xsl:if test="$chunk.fast != 0">
+    <xsl:choose>
+      <xsl:when test="function-available('exsl:node-set')">
+        <xsl:message>Computing chunks...</xsl:message>
+        <xsl:apply-templates select="/*" mode="find.chunks"/>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:message>
+          <xsl:text>Fast chunking requires exsl:node-set(). </xsl:text>
+          <xsl:text>Using "slow" chunking.</xsl:text>
+        </xsl:message>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:if>
+</xsl:variable>
+
+<xsl:template match="*" mode="find.chunks">
+  <xsl:variable name="chunk">
+    <xsl:call-template name="chunk"/>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="$chunk != 0">
+      <div class="{local-name(.)}" id="{generate-id()}">
+        <xsl:apply-templates select="*" mode="find.chunks"/>
+      </div>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:apply-templates select="*" mode="find.chunks"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template name="process-chunk-element">
+  <xsl:param name="content">
+    <xsl:apply-imports/>
+  </xsl:param>
+
+  <xsl:choose>
+    <xsl:when test="$chunk.fast != 0 and function-available('exsl:node-set')">
+      <xsl:variable name="chunks" select="exsl:node-set($chunk.hierarchy)//div"/>
+      <xsl:variable name="genid" select="generate-id()"/>
+
+      <xsl:variable name="div" select="$chunks[@id=$genid]"/>
+
+      <xsl:variable name="prevdiv"
+                    select="($div/preceding-sibling::div|$div/preceding::div|$div/parent::div)[last()]"/>
+      <xsl:variable name="prev" select="key('genid', $prevdiv/@id)"/>
+
+      <xsl:variable name="nextdiv"
+                    select="($div/following-sibling::div|$div/following::div|$div/div)[1]"/>
+      <xsl:variable name="next" select="key('genid', $nextdiv/@id)"/>
+
+      <xsl:choose>
+        <xsl:when test="$onechunk != 0 and parent::*">
+          <xsl:copy-of select="$content"/>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:call-template name="process-chunk">
+            <xsl:with-param name="prev" select="$prev"/>
+            <xsl:with-param name="next" select="$next"/>
+            <xsl:with-param name="content" select="$content"/>
+          </xsl:call-template>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:choose>
+        <xsl:when test="$onechunk != 0 and not(parent::*)">
+          <xsl:call-template name="chunk-all-sections">
+            <xsl:with-param name="content" select="$content"/>
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:when test="$onechunk != 0">
+          <xsl:copy-of select="$content"/>
+        </xsl:when>
+        <xsl:when test="$chunk.first.sections = 0">
+          <xsl:call-template name="chunk-first-section-with-parent">
+            <xsl:with-param name="content" select="$content"/>
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:call-template name="chunk-all-sections">
+            <xsl:with-param name="content" select="$content"/>
+          </xsl:call-template>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="process-chunk">
+  <xsl:param name="prev" select="."/>
+  <xsl:param name="next" select="."/>
+  <xsl:param name="content">
+    <xsl:apply-imports/>
+  </xsl:param>
+
+  <xsl:variable name="ischunk">
+    <xsl:call-template name="chunk"/>
+  </xsl:variable>
+
+  <xsl:variable name="chunkfn">
+    <xsl:if test="$ischunk='1'">
+      <xsl:apply-templates mode="chunk-filename" select="."/>
+    </xsl:if>
+  </xsl:variable>
+
+  <xsl:if test="$ischunk='0'">
+    <xsl:message>
+      <xsl:text>Error </xsl:text>
+      <xsl:value-of select="name(.)"/>
+      <xsl:text> is not a chunk!</xsl:text>
+    </xsl:message>
+  </xsl:if>
+
+  <xsl:variable name="filename">
+    <xsl:call-template name="make-relative-filename">
+      <xsl:with-param name="base.dir" select="$base.dir"/>
+      <xsl:with-param name="base.name" select="$chunkfn"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:call-template name="write.chunk">
+    <xsl:with-param name="filename" select="$filename"/>
+    <xsl:with-param name="content">
+      <xsl:call-template name="chunk-element-content">
+        <xsl:with-param name="prev" select="$prev"/>
+        <xsl:with-param name="next" select="$next"/>
+        <xsl:with-param name="content" select="$content"/>
+      </xsl:call-template>
+    </xsl:with-param>
+    <xsl:with-param name="quiet" select="$chunk.quietly"/>
+  </xsl:call-template>
+</xsl:template>
+
+<xsl:template name="chunk-first-section-with-parent">
+  <xsl:param name="content">
+    <xsl:apply-imports/>
+  </xsl:param>
+
+  <!-- These xpath expressions are really hairy. The trick is to pick sections -->
+  <!-- that are not first children and are not the children of first children -->
+
+  <!-- Break these variables into pieces to work around
+       http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6063 -->
+
+  <xsl:variable name="prev-v1"
+     select="(ancestor::sect1[$chunk.section.depth &gt; 0
+                               and preceding-sibling::sect1][1]
+
+             |ancestor::sect2[$chunk.section.depth &gt; 1
+                               and preceding-sibling::sect2
+                               and parent::sect1[preceding-sibling::sect1]][1]
+
+             |ancestor::sect3[$chunk.section.depth &gt; 2
+                               and preceding-sibling::sect3
+                               and parent::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |ancestor::sect4[$chunk.section.depth &gt; 3
+                               and preceding-sibling::sect4
+                               and parent::sect3[preceding-sibling::sect2]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |ancestor::sect5[$chunk.section.depth &gt; 4
+                               and preceding-sibling::sect5
+                               and parent::sect4[preceding-sibling::sect4]
+                               and ancestor::sect3[preceding-sibling::sect3]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |ancestor::section[$chunk.section.depth &gt; count(ancestor::section)
+                                and not(ancestor::section[not(preceding-sibling::section)])][1])[last()]"/>
+
+  <xsl:variable name="prev-v2"
+     select="(preceding::sect1[$chunk.section.depth &gt; 0
+                               and preceding-sibling::sect1][1]
+
+             |preceding::sect2[$chunk.section.depth &gt; 1
+                               and preceding-sibling::sect2
+                               and parent::sect1[preceding-sibling::sect1]][1]
+
+             |preceding::sect3[$chunk.section.depth &gt; 2
+                               and preceding-sibling::sect3
+                               and parent::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |preceding::sect4[$chunk.section.depth &gt; 3
+                               and preceding-sibling::sect4
+                               and parent::sect3[preceding-sibling::sect2]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |preceding::sect5[$chunk.section.depth &gt; 4
+                               and preceding-sibling::sect5
+                               and parent::sect4[preceding-sibling::sect4]
+                               and ancestor::sect3[preceding-sibling::sect3]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |preceding::section[$chunk.section.depth &gt; count(ancestor::section)
+                                 and preceding-sibling::section
+                                 and not(ancestor::section[not(preceding-sibling::section)])][1])[last()]"/>
+
+  <xsl:variable name="prev"
+    select="(preceding::book[1]
+             |preceding::preface[1]
+             |preceding::chapter[1]
+             |preceding::appendix[1]
+             |preceding::part[1]
+             |preceding::reference[1]
+             |preceding::refentry[1]
+             |preceding::colophon[1]
+             |preceding::article[1]
+             |preceding::bibliography[1]
+             |preceding::glossary[1]
+             |preceding::index[1]
+             |preceding::setindex[1]
+             |ancestor::set
+             |ancestor::book[1]
+             |ancestor::preface[1]
+             |ancestor::chapter[1]
+             |ancestor::appendix[1]
+             |ancestor::part[1]
+             |ancestor::reference[1]
+             |ancestor::article[1]
+             |$prev-v1
+             |$prev-v2)[last()]"/>
+
+  <xsl:variable name="next-v1"
+    select="(following::sect1[$chunk.section.depth &gt; 0
+                               and preceding-sibling::sect1][1]
+
+             |following::sect2[$chunk.section.depth &gt; 1
+                               and preceding-sibling::sect2
+                               and parent::sect1[preceding-sibling::sect1]][1]
+
+             |following::sect3[$chunk.section.depth &gt; 2
+                               and preceding-sibling::sect3
+                               and parent::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |following::sect4[$chunk.section.depth &gt; 3
+                               and preceding-sibling::sect4
+                               and parent::sect3[preceding-sibling::sect2]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |following::sect5[$chunk.section.depth &gt; 4
+                               and preceding-sibling::sect5
+                               and parent::sect4[preceding-sibling::sect4]
+                               and ancestor::sect3[preceding-sibling::sect3]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |following::section[$chunk.section.depth &gt; count(ancestor::section)
+                                 and preceding-sibling::section
+                                 and not(ancestor::section[not(preceding-sibling::section)])][1])[1]"/>
+
+  <xsl:variable name="next-v2"
+    select="(descendant::sect1[$chunk.section.depth &gt; 0
+                               and preceding-sibling::sect1][1]
+
+             |descendant::sect2[$chunk.section.depth &gt; 1
+                               and preceding-sibling::sect2
+                               and parent::sect1[preceding-sibling::sect1]][1]
+
+             |descendant::sect3[$chunk.section.depth &gt; 2
+                               and preceding-sibling::sect3
+                               and parent::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |descendant::sect4[$chunk.section.depth &gt; 3
+                               and preceding-sibling::sect4
+                               and parent::sect3[preceding-sibling::sect2]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |descendant::sect5[$chunk.section.depth &gt; 4
+                               and preceding-sibling::sect5
+                               and parent::sect4[preceding-sibling::sect4]
+                               and ancestor::sect3[preceding-sibling::sect3]
+                               and ancestor::sect2[preceding-sibling::sect2]
+                               and ancestor::sect1[preceding-sibling::sect1]][1]
+
+             |descendant::section[$chunk.section.depth &gt; count(ancestor::section)
+                                 and preceding-sibling::section
+                                 and not(ancestor::section[not(preceding-sibling::section)])])[1]"/>
+
+  <xsl:variable name="next"
+    select="(following::book[1]
+             |following::preface[1]
+             |following::chapter[1]
+             |following::appendix[1]
+             |following::part[1]
+             |following::reference[1]
+             |following::refentry[1]
+             |following::colophon[1]
+             |following::bibliography[1]
+             |following::glossary[1]
+             |following::index[1]
+             |following::article[1]
+             |following::setindex[1]
+             |descendant::book[1]
+             |descendant::preface[1]
+             |descendant::chapter[1]
+             |descendant::appendix[1]
+             |descendant::article[1]
+             |descendant::bibliography[1]
+             |descendant::glossary[1]
+             |descendant::index[1]
+             |descendant::colophon[1]
+             |descendant::setindex[1]
+             |descendant::part[1]
+             |descendant::reference[1]
+             |descendant::refentry[1]
+             |$next-v1
+             |$next-v2)[1]"/>
+
+  <xsl:call-template name="process-chunk">
+    <xsl:with-param name="prev" select="$prev"/>
+    <xsl:with-param name="next" select="$next"/>
+    <xsl:with-param name="content" select="$content"/>
+  </xsl:call-template>
+</xsl:template>
+
+<xsl:template name="chunk-all-sections">
+  <xsl:param name="content">
+    <xsl:apply-imports/>
+  </xsl:param>
+
+  <xsl:variable name="prev-v1"
+    select="(preceding::sect1[$chunk.section.depth &gt; 0][1]
+             |preceding::sect2[$chunk.section.depth &gt; 1][1]
+             |preceding::sect3[$chunk.section.depth &gt; 2][1]
+             |preceding::sect4[$chunk.section.depth &gt; 3][1]
+             |preceding::sect5[$chunk.section.depth &gt; 4][1]
+             |preceding::section[$chunk.section.depth &gt; count(ancestor::section)][1])[last()]"/>
+
+  <xsl:variable name="prev-v2"
+    select="(ancestor::sect1[$chunk.section.depth &gt; 0][1]
+             |ancestor::sect2[$chunk.section.depth &gt; 1][1]
+             |ancestor::sect3[$chunk.section.depth &gt; 2][1]
+             |ancestor::sect4[$chunk.section.depth &gt; 3][1]
+             |ancestor::sect5[$chunk.section.depth &gt; 4][1]
+             |ancestor::section[$chunk.section.depth &gt; count(ancestor::section)][1])[last()]"/>
+
+  <xsl:variable name="prev"
+    select="(preceding::book[1]
+             |preceding::preface[1]
+             |preceding::chapter[1]
+             |preceding::appendix[1]
+             |preceding::part[1]
+             |preceding::reference[1]
+             |preceding::refentry[1]
+             |preceding::colophon[1]
+             |preceding::article[1]
+             |preceding::bibliography[1]
+             |preceding::glossary[1]
+             |preceding::index[1]
+             |preceding::setindex[1]
+             |ancestor::set
+             |ancestor::book[1]
+             |ancestor::preface[1]
+             |ancestor::chapter[1]
+             |ancestor::appendix[1]
+             |ancestor::part[1]
+             |ancestor::reference[1]
+             |ancestor::article[1]
+             |$prev-v1
+             |$prev-v2)[last()]"/>
+
+  <xsl:variable name="next-v1"
+    select="(following::sect1[$chunk.section.depth &gt; 0][1]
+             |following::sect2[$chunk.section.depth &gt; 1][1]
+             |following::sect3[$chunk.section.depth &gt; 2][1]
+             |following::sect4[$chunk.section.depth &gt; 3][1]
+             |following::sect5[$chunk.section.depth &gt; 4][1]
+             |following::section[$chunk.section.depth &gt; count(ancestor::section)][1])[1]"/>
+
+  <xsl:variable name="next-v2"
+    select="(descendant::sect1[$chunk.section.depth &gt; 0][1]
+             |descendant::sect2[$chunk.section.depth &gt; 1][1]
+             |descendant::sect3[$chunk.section.depth &gt; 2][1]
+             |descendant::sect4[$chunk.section.depth &gt; 3][1]
+             |descendant::sect5[$chunk.section.depth &gt; 4][1]
+             |descendant::section[$chunk.section.depth 
+                                  &gt; count(ancestor::section)][1])[1]"/>
+
+  <xsl:variable name="next"
+    select="(following::book[1]
+             |following::preface[1]
+             |following::chapter[1]
+             |following::appendix[1]
+             |following::part[1]
+             |following::reference[1]
+             |following::refentry[1]
+             |following::colophon[1]
+             |following::bibliography[1]
+             |following::glossary[1]
+             |following::index[1]
+             |following::article[1]
+             |following::setindex[1]
+             |descendant::book[1]
+             |descendant::preface[1]
+             |descendant::chapter[1]
+             |descendant::appendix[1]
+             |descendant::article[1]
+             |descendant::bibliography[1]
+             |descendant::glossary[1]
+             |descendant::index[1]
+             |descendant::colophon[1]
+             |descendant::setindex[1]
+             |descendant::part[1]
+             |descendant::reference[1]
+             |descendant::refentry[1]
+             |$next-v1
+             |$next-v2)[1]"/>
+
+  <xsl:call-template name="process-chunk">
+    <xsl:with-param name="prev" select="$prev"/>
+    <xsl:with-param name="next" select="$next"/>
+    <xsl:with-param name="content" select="$content"/>
+  </xsl:call-template>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template match="/">
+  <xsl:choose>
+    <xsl:when test="$rootid != ''">
+      <xsl:choose>
+        <xsl:when test="count(key('id',$rootid)) = 0">
+          <xsl:message terminate="yes">
+            <xsl:text>ID '</xsl:text>
+            <xsl:value-of select="$rootid"/>
+            <xsl:text>' not found in document.</xsl:text>
+          </xsl:message>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:if test="$collect.xref.targets = 'yes' or
+                        $collect.xref.targets = 'only'">
+            <xsl:apply-templates select="key('id', $rootid)"
+                        mode="collect.targets"/>
+          </xsl:if>
+          <xsl:if test="$collect.xref.targets != 'only'">
+            <xsl:apply-templates select="key('id',$rootid)"
+                        mode="process.root"/>
+            <xsl:if test="$tex.math.in.alt != ''">
+              <xsl:apply-templates select="key('id',$rootid)"
+                          mode="collect.tex.math"/>
+            </xsl:if>
+            <xsl:if test="$generate.manifest != 0">
+              <xsl:call-template name="generate.manifest">
+                <xsl:with-param name="node" select="key('id',$rootid)"/>
+              </xsl:call-template>
+            </xsl:if>
+          </xsl:if>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:if test="$collect.xref.targets = 'yes' or
+                    $collect.xref.targets = 'only'">
+        <xsl:apply-templates select="/" mode="collect.targets"/>
+      </xsl:if>
+      <xsl:if test="$collect.xref.targets != 'only'">
+        <xsl:apply-templates select="/" mode="process.root"/>
+        <xsl:if test="$tex.math.in.alt != ''">
+          <xsl:apply-templates select="/" mode="collect.tex.math"/>
+        </xsl:if>
+        <xsl:if test="$generate.manifest != 0">
+          <xsl:call-template name="generate.manifest"/>
+        </xsl:if>
+      </xsl:if>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="*" mode="process.root">
+  <xsl:apply-templates select="."/>
+</xsl:template>
+
+<!-- ====================================================================== -->
+
+<xsl:template match="set|book|part|preface|chapter|appendix
+                     |article
+                     |reference|refentry
+                     |book/glossary|article/glossary
+                     |book/bibliography|article/bibliography
+                     |colophon">
+  <xsl:choose>
+    <xsl:when test="$onechunk != 0 and parent::*">
+      <xsl:apply-imports/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:call-template name="process-chunk-element"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="sect1|sect2|sect3|sect4|sect5|section">
+  <xsl:variable name="ischunk">
+    <xsl:call-template name="chunk"/>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="not(parent::*)">
+      <xsl:call-template name="process-chunk-element"/>
+    </xsl:when>
+    <xsl:when test="$ischunk = 0">
+      <xsl:apply-imports/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:call-template name="process-chunk-element"/>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template match="setindex
+                     |book/index
+                     |article/index">
+  <!-- some implementations use completely empty index tags to indicate -->
+  <!-- where an automatically generated index should be inserted. so -->
+  <!-- if the index is completely empty, skip it. -->
+  <xsl:if test="count(*)>0 or $generate.index != '0'">
+    <xsl:call-template name="process-chunk-element"/>
+  </xsl:if>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template name="make.lots">
+  <xsl:param name="toc.params" select="''"/>
+  <xsl:param name="toc"/>
+
+  <xsl:variable name="lots">
+    <xsl:if test="contains($toc.params, 'toc')">
+      <xsl:copy-of select="$toc"/>
+    </xsl:if>
+
+    <xsl:if test="contains($toc.params, 'figure')">
+      <xsl:call-template name="list.of.titles">
+        <xsl:with-param name="titles" select="'figure'"/>
+        <xsl:with-param name="nodes" select=".//figure"/>
+      </xsl:call-template>
+    </xsl:if>
+
+    <xsl:if test="contains($toc.params, 'table')">
+      <xsl:call-template name="list.of.titles">
+        <xsl:with-param name="titles" select="'table'"/>
+        <xsl:with-param name="nodes" select=".//table"/>
+      </xsl:call-template>
+    </xsl:if>
+
+    <xsl:if test="contains($toc.params, 'example')">
+      <xsl:call-template name="list.of.titles">
+        <xsl:with-param name="titles" select="'example'"/>
+        <xsl:with-param name="nodes" select=".//example"/>
+      </xsl:call-template>
+    </xsl:if>
+
+    <xsl:if test="contains($toc.params, 'equation')">
+      <xsl:call-template name="list.of.titles">
+        <xsl:with-param name="titles" select="'equation'"/>
+        <xsl:with-param name="nodes" select=".//equation[title]"/>
+      </xsl:call-template>
+    </xsl:if>
+  </xsl:variable>
+
+  <xsl:if test="string($lots) != ''">
+    <xsl:choose>
+      <xsl:when test="$chunk.tocs.and.lots != 0 and not(parent::*)">
+        <xsl:call-template name="write.chunk">
+          <xsl:with-param name="filename">
+            <xsl:call-template name="make-relative-filename">
+              <xsl:with-param name="base.dir" select="$base.dir"/>
+              <xsl:with-param name="base.name">
+                <xsl:call-template name="dbhtml-dir"/>
+                <xsl:apply-templates select="." mode="recursive-chunk-filename"/>
+                <xsl:text>-toc</xsl:text>
+                <xsl:value-of select="$html.ext"/>
+              </xsl:with-param>
+            </xsl:call-template>
+          </xsl:with-param>
+          <xsl:with-param name="content">
+            <xsl:call-template name="chunk-element-content">
+              <xsl:with-param name="prev" select="/foo"/>
+              <xsl:with-param name="next" select="/foo"/>
+              <xsl:with-param name="nav.context" select="'toc'"/>
+              <xsl:with-param name="content">
+                <h1>
+                  <xsl:apply-templates select="." mode="object.title.markup"/>
+                </h1>
+                <xsl:copy-of select="$lots"/>
+              </xsl:with-param>
+            </xsl:call-template>
+          </xsl:with-param>
+          <xsl:with-param name="quiet" select="$chunk.quietly"/>
+        </xsl:call-template>
+      </xsl:when>
+      <xsl:otherwise>
+        <xsl:copy-of select="$lots"/>
+      </xsl:otherwise>
+    </xsl:choose>
+  </xsl:if>
+</xsl:template>
+
+<!-- ==================================================================== -->
+
+<xsl:template name="in.other.chunk">
+  <xsl:param name="chunk" select="."/>
+  <xsl:param name="node" select="."/>
+
+  <xsl:variable name="is.chunk">
+    <xsl:call-template name="chunk">
+      <xsl:with-param name="node" select="$node"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+<!--
+  <xsl:message>
+    <xsl:text>in.other.chunk: </xsl:text>
+    <xsl:value-of select="name($chunk)"/>
+    <xsl:text> </xsl:text>
+    <xsl:value-of select="name($node)"/>
+    <xsl:text> </xsl:text>
+    <xsl:value-of select="$chunk = $node"/>
+    <xsl:text> </xsl:text>
+    <xsl:value-of select="$is.chunk"/>
+  </xsl:message>
+-->
+
+  <xsl:choose>
+    <xsl:when test="$chunk = $node">0</xsl:when>
+    <xsl:when test="$is.chunk = 1">1</xsl:when>
+    <xsl:when test="count($node) = 0">0</xsl:when>
+    <xsl:otherwise>
+      <xsl:call-template name="in.other.chunk">
+        <xsl:with-param name="chunk" select="$chunk"/>
+        <xsl:with-param name="node" select="$node/parent::*"/>
+      </xsl:call-template>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="count.footnotes.in.this.chunk">
+  <xsl:param name="node" select="."/>
+  <xsl:param name="footnotes" select="$node//footnote"/>
+  <xsl:param name="count" select="0"/>
+
+<!--
+  <xsl:message>
+    <xsl:text>count.footnotes.in.this.chunk: </xsl:text>
+    <xsl:value-of select="name($node)"/>
+  </xsl:message>
+-->
+
+  <xsl:variable name="in.other.chunk">
+    <xsl:call-template name="in.other.chunk">
+      <xsl:with-param name="chunk" select="$node"/>
+      <xsl:with-param name="node" select="$footnotes[1]"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="count($footnotes) = 0">
+      <xsl:value-of select="$count"/>
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:choose>
+        <xsl:when test="$in.other.chunk != 0">
+          <xsl:call-template name="count.footnotes.in.this.chunk">
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="footnotes"
+                            select="$footnotes[position() &gt; 1]"/>
+            <xsl:with-param name="count" select="$count"/>
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:when test="$footnotes[1]/ancestor::table
+                        |$footnotes[1]/ancestor::informaltable">
+          <xsl:call-template name="count.footnotes.in.this.chunk">
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="footnotes"
+                            select="$footnotes[position() &gt; 1]"/>
+            <xsl:with-param name="count" select="$count"/>
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:call-template name="count.footnotes.in.this.chunk">
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="footnotes"
+                            select="$footnotes[position() &gt; 1]"/>
+            <xsl:with-param name="count" select="$count + 1"/>
+          </xsl:call-template>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="process.footnotes.in.this.chunk">
+  <xsl:param name="node" select="."/>
+  <xsl:param name="footnotes" select="$node//footnote"/>
+
+<!--
+  <xsl:message>process.footnotes.in.this.chunk</xsl:message>
+-->
+
+  <xsl:variable name="in.other.chunk">
+    <xsl:call-template name="in.other.chunk">
+      <xsl:with-param name="chunk" select="$node"/>
+      <xsl:with-param name="node" select="$footnotes[1]"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+  <xsl:choose>
+    <xsl:when test="count($footnotes) = 0">
+      <!-- nop -->
+    </xsl:when>
+    <xsl:otherwise>
+      <xsl:choose>
+        <xsl:when test="$in.other.chunk != 0">
+          <xsl:call-template name="process.footnotes.in.this.chunk">
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="footnotes"
+                            select="$footnotes[position() &gt; 1]"/>
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:when test="$footnotes[1]/ancestor::table
+                        |$footnotes[1]/ancestor::informaltable">
+          <xsl:call-template name="process.footnotes.in.this.chunk">
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="footnotes"
+                            select="$footnotes[position() &gt; 1]"/>
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:apply-templates select="$footnotes[1]"
+                               mode="process.footnote.mode"/>
+          <xsl:call-template name="process.footnotes.in.this.chunk">
+            <xsl:with-param name="node" select="$node"/>
+            <xsl:with-param name="footnotes"
+                            select="$footnotes[position() &gt; 1]"/>
+          </xsl:call-template>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:otherwise>
+  </xsl:choose>
+</xsl:template>
+
+<xsl:template name="process.footnotes">
+  <xsl:variable name="footnotes" select=".//footnote"/>
+  <xsl:variable name="fcount">
+    <xsl:call-template name="count.footnotes.in.this.chunk">
+      <xsl:with-param name="node" select="."/>
+      <xsl:with-param name="footnotes" select="$footnotes"/>
+    </xsl:call-template>
+  </xsl:variable>
+
+<!--
+  <xsl:message>
+    <xsl:value-of select="name(.)"/>
+    <xsl:text> fcount: </xsl:text>
+    <xsl:value-of select="$fcount"/>
+  </xsl:message>
+-->
+
+  <!-- Only bother to do this if there's at least one non-table footnote -->
+  <xsl:if test="$fcount &gt; 0">
+    <div class="footnotes">
+      <br/>
+      <hr width="100" align="left"/>
+      <xsl:call-template name="process.footnotes.in.this.chunk">
+        <xsl:with-param name="node" select="."/>
+        <xsl:with-param name="footnotes" select="$footnotes"/>
+      </xsl:call-template>
+    </div>
+  </xsl:if>
+</xsl:template>
+
+<xsl:template name="process.chunk.footnotes">
+  <xsl:variable name="is.chunk">
+    <xsl:call-template name="chunk"/>
+  </xsl:variable>
+  <xsl:if test="$is.chunk = 1">
+    <xsl:call-template name="process.footnotes"/>
+  </xsl:if>
+</xsl:template>
+
+<!-- ====================================================================== -->
+
+</xsl:stylesheet>
index d841274bc8ae8bc5b778a91b05fd85ab97d86b22..aa2464d76f606998f4e345b04c7b5e6b0ba9bcfb 100644 (file)
 <xsl:import href="chunk-common.xsl"/>
 <xsl:include href="manifest.xsl"/>
 
-<xsl:param name="onechunk" select="0"/>
-<xsl:param name="refentry.separator" select="0"/>
-<xsl:param name="chunk.fast" select="0"/>
+<!-- Why is chunk-code now xsl:included?
 
-<xsl:key name="genid" match="*" use="generate-id()"/>
+Suppose you want to customize *both* the chunking algorithm used *and* the
+presentation of some elements that may be chunks. In order to do that, you
+must get the order of imports "just right". The answer is to make your own
+copy of this file, where you replace the initial import of "docbook.xsl"
+with an import of your own base.xsl (that does its own import of docbook.xsl).
 
-<!-- ==================================================================== -->
+Put the templates for changing the presentation of elements in your base.xsl.
 
-<xsl:variable name="chunk.hierarchy">
-  <xsl:if test="$chunk.fast != 0">
-    <xsl:choose>
-      <xsl:when test="function-available('exsl:node-set')">
-        <xsl:message>Computing chunks...</xsl:message>
-        <xsl:apply-templates select="/*" mode="find.chunks"/>
-      </xsl:when>
-      <xsl:otherwise>
-        <xsl:message>
-          <xsl:text>Fast chunking requires exsl:node-set(). </xsl:text>
-          <xsl:text>Using "slow" chunking.</xsl:text>
-        </xsl:message>
-      </xsl:otherwise>
-    </xsl:choose>
-  </xsl:if>
-</xsl:variable>
+Put the templates that control chunking after the include of chunk-code.xsl.
 
-<xsl:template match="*" mode="find.chunks">
-  <xsl:variable name="chunk">
-    <xsl:call-template name="chunk"/>
-  </xsl:variable>
+Voila! (Man I hope we can do this better in XSLT 2.0)
 
-  <xsl:choose>
-    <xsl:when test="$chunk != 0">
-      <div class="{local-name(.)}" id="{generate-id()}">
-        <xsl:apply-templates select="*" mode="find.chunks"/>
-      </div>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:apply-templates select="*" mode="find.chunks"/>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<!-- ==================================================================== -->
-
-<xsl:template name="process-chunk-element">
-  <xsl:param name="content">
-    <xsl:apply-imports/>
-  </xsl:param>
-
-  <xsl:choose>
-    <xsl:when test="$chunk.fast != 0 and function-available('exsl:node-set')">
-      <xsl:variable name="chunks" select="exsl:node-set($chunk.hierarchy)//div"/>
-      <xsl:variable name="genid" select="generate-id()"/>
-
-      <xsl:variable name="div" select="$chunks[@id=$genid]"/>
-
-      <xsl:variable name="prevdiv"
-                    select="($div/preceding-sibling::div|$div/preceding::div|$div/parent::div)[last()]"/>
-      <xsl:variable name="prev" select="key('genid', $prevdiv/@id)"/>
-
-      <xsl:variable name="nextdiv"
-                    select="($div/following-sibling::div|$div/following::div|$div/div)[1]"/>
-      <xsl:variable name="next" select="key('genid', $nextdiv/@id)"/>
-
-      <xsl:choose>
-        <xsl:when test="$onechunk != 0 and parent::*">
-          <xsl:copy-of select="$content"/>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:call-template name="process-chunk">
-            <xsl:with-param name="prev" select="$prev"/>
-            <xsl:with-param name="next" select="$next"/>
-            <xsl:with-param name="content" select="$content"/>
-          </xsl:call-template>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:choose>
-        <xsl:when test="$onechunk != 0 and not(parent::*)">
-          <xsl:call-template name="chunk-all-sections">
-            <xsl:with-param name="content" select="$content"/>
-          </xsl:call-template>
-        </xsl:when>
-        <xsl:when test="$onechunk != 0">
-          <xsl:copy-of select="$content"/>
-        </xsl:when>
-        <xsl:when test="$chunk.first.sections = 0">
-          <xsl:call-template name="chunk-first-section-with-parent">
-            <xsl:with-param name="content" select="$content"/>
-          </xsl:call-template>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:call-template name="chunk-all-sections">
-            <xsl:with-param name="content" select="$content"/>
-          </xsl:call-template>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template name="process-chunk">
-  <xsl:param name="prev" select="."/>
-  <xsl:param name="next" select="."/>
-  <xsl:param name="content">
-    <xsl:apply-imports/>
-  </xsl:param>
-
-  <xsl:variable name="ischunk">
-    <xsl:call-template name="chunk"/>
-  </xsl:variable>
-
-  <xsl:variable name="chunkfn">
-    <xsl:if test="$ischunk='1'">
-      <xsl:apply-templates mode="chunk-filename" select="."/>
-    </xsl:if>
-  </xsl:variable>
-
-  <xsl:if test="$ischunk='0'">
-    <xsl:message>
-      <xsl:text>Error </xsl:text>
-      <xsl:value-of select="name(.)"/>
-      <xsl:text> is not a chunk!</xsl:text>
-    </xsl:message>
-  </xsl:if>
-
-  <xsl:variable name="filename">
-    <xsl:call-template name="make-relative-filename">
-      <xsl:with-param name="base.dir" select="$base.dir"/>
-      <xsl:with-param name="base.name" select="$chunkfn"/>
-    </xsl:call-template>
-  </xsl:variable>
-
-  <xsl:call-template name="write.chunk">
-    <xsl:with-param name="filename" select="$filename"/>
-    <xsl:with-param name="content">
-      <xsl:call-template name="chunk-element-content">
-        <xsl:with-param name="prev" select="$prev"/>
-        <xsl:with-param name="next" select="$next"/>
-        <xsl:with-param name="content" select="$content"/>
-      </xsl:call-template>
-    </xsl:with-param>
-    <xsl:with-param name="quiet" select="$chunk.quietly"/>
-  </xsl:call-template>
-</xsl:template>
-
-<xsl:template name="chunk-first-section-with-parent">
-  <xsl:param name="content">
-    <xsl:apply-imports/>
-  </xsl:param>
-
-  <!-- These xpath expressions are really hairy. The trick is to pick sections -->
-  <!-- that are not first children and are not the children of first children -->
-
-  <!-- Break these variables into pieces to work around
-       http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6063 -->
-
-  <xsl:variable name="prev-v1"
-     select="(ancestor::sect1[$chunk.section.depth &gt; 0
-                               and preceding-sibling::sect1][1]
-
-             |ancestor::sect2[$chunk.section.depth &gt; 1
-                               and preceding-sibling::sect2
-                               and parent::sect1[preceding-sibling::sect1]][1]
-
-             |ancestor::sect3[$chunk.section.depth &gt; 2
-                               and preceding-sibling::sect3
-                               and parent::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |ancestor::sect4[$chunk.section.depth &gt; 3
-                               and preceding-sibling::sect4
-                               and parent::sect3[preceding-sibling::sect2]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |ancestor::sect5[$chunk.section.depth &gt; 4
-                               and preceding-sibling::sect5
-                               and parent::sect4[preceding-sibling::sect4]
-                               and ancestor::sect3[preceding-sibling::sect3]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |ancestor::section[$chunk.section.depth &gt; count(ancestor::section)
-                                and not(ancestor::section[not(preceding-sibling::section)])][1])[last()]"/>
-
-  <xsl:variable name="prev-v2"
-     select="(preceding::sect1[$chunk.section.depth &gt; 0
-                               and preceding-sibling::sect1][1]
-
-             |preceding::sect2[$chunk.section.depth &gt; 1
-                               and preceding-sibling::sect2
-                               and parent::sect1[preceding-sibling::sect1]][1]
-
-             |preceding::sect3[$chunk.section.depth &gt; 2
-                               and preceding-sibling::sect3
-                               and parent::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |preceding::sect4[$chunk.section.depth &gt; 3
-                               and preceding-sibling::sect4
-                               and parent::sect3[preceding-sibling::sect2]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |preceding::sect5[$chunk.section.depth &gt; 4
-                               and preceding-sibling::sect5
-                               and parent::sect4[preceding-sibling::sect4]
-                               and ancestor::sect3[preceding-sibling::sect3]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |preceding::section[$chunk.section.depth &gt; count(ancestor::section)
-                                 and preceding-sibling::section
-                                 and not(ancestor::section[not(preceding-sibling::section)])][1])[last()]"/>
-
-  <xsl:variable name="prev"
-    select="(preceding::book[1]
-             |preceding::preface[1]
-             |preceding::chapter[1]
-             |preceding::appendix[1]
-             |preceding::part[1]
-             |preceding::reference[1]
-             |preceding::refentry[1]
-             |preceding::colophon[1]
-             |preceding::article[1]
-             |preceding::bibliography[1]
-             |preceding::glossary[1]
-             |preceding::index[1]
-             |preceding::setindex[1]
-             |ancestor::set
-             |ancestor::book[1]
-             |ancestor::preface[1]
-             |ancestor::chapter[1]
-             |ancestor::appendix[1]
-             |ancestor::part[1]
-             |ancestor::reference[1]
-             |ancestor::article[1]
-             |$prev-v1
-             |$prev-v2)[last()]"/>
-
-  <xsl:variable name="next-v1"
-    select="(following::sect1[$chunk.section.depth &gt; 0
-                               and preceding-sibling::sect1][1]
-
-             |following::sect2[$chunk.section.depth &gt; 1
-                               and preceding-sibling::sect2
-                               and parent::sect1[preceding-sibling::sect1]][1]
-
-             |following::sect3[$chunk.section.depth &gt; 2
-                               and preceding-sibling::sect3
-                               and parent::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |following::sect4[$chunk.section.depth &gt; 3
-                               and preceding-sibling::sect4
-                               and parent::sect3[preceding-sibling::sect2]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |following::sect5[$chunk.section.depth &gt; 4
-                               and preceding-sibling::sect5
-                               and parent::sect4[preceding-sibling::sect4]
-                               and ancestor::sect3[preceding-sibling::sect3]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |following::section[$chunk.section.depth &gt; count(ancestor::section)
-                                 and preceding-sibling::section
-                                 and not(ancestor::section[not(preceding-sibling::section)])][1])[1]"/>
-
-  <xsl:variable name="next-v2"
-    select="(descendant::sect1[$chunk.section.depth &gt; 0
-                               and preceding-sibling::sect1][1]
-
-             |descendant::sect2[$chunk.section.depth &gt; 1
-                               and preceding-sibling::sect2
-                               and parent::sect1[preceding-sibling::sect1]][1]
-
-             |descendant::sect3[$chunk.section.depth &gt; 2
-                               and preceding-sibling::sect3
-                               and parent::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |descendant::sect4[$chunk.section.depth &gt; 3
-                               and preceding-sibling::sect4
-                               and parent::sect3[preceding-sibling::sect2]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |descendant::sect5[$chunk.section.depth &gt; 4
-                               and preceding-sibling::sect5
-                               and parent::sect4[preceding-sibling::sect4]
-                               and ancestor::sect3[preceding-sibling::sect3]
-                               and ancestor::sect2[preceding-sibling::sect2]
-                               and ancestor::sect1[preceding-sibling::sect1]][1]
-
-             |descendant::section[$chunk.section.depth &gt; count(ancestor::section)
-                                 and preceding-sibling::section
-                                 and not(ancestor::section[not(preceding-sibling::section)])])[1]"/>
-
-  <xsl:variable name="next"
-    select="(following::book[1]
-             |following::preface[1]
-             |following::chapter[1]
-             |following::appendix[1]
-             |following::part[1]
-             |following::reference[1]
-             |following::refentry[1]
-             |following::colophon[1]
-             |following::bibliography[1]
-             |following::glossary[1]
-             |following::index[1]
-             |following::article[1]
-             |following::setindex[1]
-             |descendant::book[1]
-             |descendant::preface[1]
-             |descendant::chapter[1]
-             |descendant::appendix[1]
-             |descendant::article[1]
-             |descendant::bibliography[1]
-             |descendant::glossary[1]
-             |descendant::index[1]
-             |descendant::colophon[1]
-             |descendant::setindex[1]
-             |descendant::part[1]
-             |descendant::reference[1]
-             |descendant::refentry[1]
-             |$next-v1
-             |$next-v2)[1]"/>
-
-  <xsl:call-template name="process-chunk">
-    <xsl:with-param name="prev" select="$prev"/>
-    <xsl:with-param name="next" select="$next"/>
-    <xsl:with-param name="content" select="$content"/>
-  </xsl:call-template>
-</xsl:template>
-
-<xsl:template name="chunk-all-sections">
-  <xsl:param name="content">
-    <xsl:apply-imports/>
-  </xsl:param>
-
-  <xsl:variable name="prev-v1"
-    select="(preceding::sect1[$chunk.section.depth &gt; 0][1]
-             |preceding::sect2[$chunk.section.depth &gt; 1][1]
-             |preceding::sect3[$chunk.section.depth &gt; 2][1]
-             |preceding::sect4[$chunk.section.depth &gt; 3][1]
-             |preceding::sect5[$chunk.section.depth &gt; 4][1]
-             |preceding::section[$chunk.section.depth &gt; count(ancestor::section)][1])[last()]"/>
-
-  <xsl:variable name="prev-v2"
-    select="(ancestor::sect1[$chunk.section.depth &gt; 0][1]
-             |ancestor::sect2[$chunk.section.depth &gt; 1][1]
-             |ancestor::sect3[$chunk.section.depth &gt; 2][1]
-             |ancestor::sect4[$chunk.section.depth &gt; 3][1]
-             |ancestor::sect5[$chunk.section.depth &gt; 4][1]
-             |ancestor::section[$chunk.section.depth &gt; count(ancestor::section)][1])[last()]"/>
-
-  <xsl:variable name="prev"
-    select="(preceding::book[1]
-             |preceding::preface[1]
-             |preceding::chapter[1]
-             |preceding::appendix[1]
-             |preceding::part[1]
-             |preceding::reference[1]
-             |preceding::refentry[1]
-             |preceding::colophon[1]
-             |preceding::article[1]
-             |preceding::bibliography[1]
-             |preceding::glossary[1]
-             |preceding::index[1]
-             |preceding::setindex[1]
-             |ancestor::set
-             |ancestor::book[1]
-             |ancestor::preface[1]
-             |ancestor::chapter[1]
-             |ancestor::appendix[1]
-             |ancestor::part[1]
-             |ancestor::reference[1]
-             |ancestor::article[1]
-             |$prev-v1
-             |$prev-v2)[last()]"/>
-
-  <xsl:variable name="next-v1"
-    select="(following::sect1[$chunk.section.depth &gt; 0][1]
-             |following::sect2[$chunk.section.depth &gt; 1][1]
-             |following::sect3[$chunk.section.depth &gt; 2][1]
-             |following::sect4[$chunk.section.depth &gt; 3][1]
-             |following::sect5[$chunk.section.depth &gt; 4][1]
-             |following::section[$chunk.section.depth &gt; count(ancestor::section)][1])[1]"/>
-
-  <xsl:variable name="next-v2"
-    select="(descendant::sect1[$chunk.section.depth &gt; 0][1]
-             |descendant::sect2[$chunk.section.depth &gt; 1][1]
-             |descendant::sect3[$chunk.section.depth &gt; 2][1]
-             |descendant::sect4[$chunk.section.depth &gt; 3][1]
-             |descendant::sect5[$chunk.section.depth &gt; 4][1]
-             |descendant::section[$chunk.section.depth 
-                                  &gt; count(ancestor::section)][1])[1]"/>
-
-  <xsl:variable name="next"
-    select="(following::book[1]
-             |following::preface[1]
-             |following::chapter[1]
-             |following::appendix[1]
-             |following::part[1]
-             |following::reference[1]
-             |following::refentry[1]
-             |following::colophon[1]
-             |following::bibliography[1]
-             |following::glossary[1]
-             |following::index[1]
-             |following::article[1]
-             |following::setindex[1]
-             |descendant::book[1]
-             |descendant::preface[1]
-             |descendant::chapter[1]
-             |descendant::appendix[1]
-             |descendant::article[1]
-             |descendant::bibliography[1]
-             |descendant::glossary[1]
-             |descendant::index[1]
-             |descendant::colophon[1]
-             |descendant::setindex[1]
-             |descendant::part[1]
-             |descendant::reference[1]
-             |descendant::refentry[1]
-             |$next-v1
-             |$next-v2)[1]"/>
-
-  <xsl:call-template name="process-chunk">
-    <xsl:with-param name="prev" select="$prev"/>
-    <xsl:with-param name="next" select="$next"/>
-    <xsl:with-param name="content" select="$content"/>
-  </xsl:call-template>
-</xsl:template>
-
-<!-- ==================================================================== -->
-
-<xsl:template match="/">
-  <xsl:choose>
-    <xsl:when test="$rootid != ''">
-      <xsl:choose>
-        <xsl:when test="count(key('id',$rootid)) = 0">
-          <xsl:message terminate="yes">
-            <xsl:text>ID '</xsl:text>
-            <xsl:value-of select="$rootid"/>
-            <xsl:text>' not found in document.</xsl:text>
-          </xsl:message>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:if test="$collect.xref.targets = 'yes' or
-                        $collect.xref.targets = 'only'">
-            <xsl:apply-templates select="key('id', $rootid)"
-                        mode="collect.targets"/>
-          </xsl:if>
-          <xsl:if test="$collect.xref.targets != 'only'">
-            <xsl:apply-templates select="key('id',$rootid)"
-                        mode="process.root"/>
-            <xsl:if test="$tex.math.in.alt != ''">
-              <xsl:apply-templates select="key('id',$rootid)"
-                          mode="collect.tex.math"/>
-            </xsl:if>
-            <xsl:if test="$generate.manifest != 0">
-              <xsl:call-template name="generate.manifest">
-                <xsl:with-param name="node" select="key('id',$rootid)"/>
-              </xsl:call-template>
-            </xsl:if>
-          </xsl:if>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:if test="$collect.xref.targets = 'yes' or
-                    $collect.xref.targets = 'only'">
-        <xsl:apply-templates select="/" mode="collect.targets"/>
-      </xsl:if>
-      <xsl:if test="$collect.xref.targets != 'only'">
-        <xsl:apply-templates select="/" mode="process.root"/>
-        <xsl:if test="$tex.math.in.alt != ''">
-          <xsl:apply-templates select="/" mode="collect.tex.math"/>
-        </xsl:if>
-        <xsl:if test="$generate.manifest != 0">
-          <xsl:call-template name="generate.manifest"/>
-        </xsl:if>
-      </xsl:if>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template match="*" mode="process.root">
-  <xsl:apply-templates select="."/>
-</xsl:template>
-
-<!-- ====================================================================== -->
-
-<xsl:template match="set|book|part|preface|chapter|appendix
-                     |article
-                     |reference|refentry
-                     |book/glossary|article/glossary
-                     |book/bibliography|article/bibliography
-                     |colophon">
-  <xsl:choose>
-    <xsl:when test="$onechunk != 0 and parent::*">
-      <xsl:apply-imports/>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:call-template name="process-chunk-element"/>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template match="sect1|sect2|sect3|sect4|sect5|section">
-  <xsl:variable name="ischunk">
-    <xsl:call-template name="chunk"/>
-  </xsl:variable>
-
-  <xsl:choose>
-    <xsl:when test="not(parent::*)">
-      <xsl:call-template name="process-chunk-element"/>
-    </xsl:when>
-    <xsl:when test="$ischunk = 0">
-      <xsl:apply-imports/>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:call-template name="process-chunk-element"/>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template match="setindex
-                     |book/index
-                     |article/index">
-  <!-- some implementations use completely empty index tags to indicate -->
-  <!-- where an automatically generated index should be inserted. so -->
-  <!-- if the index is completely empty, skip it. -->
-  <xsl:if test="count(*)>0 or $generate.index != '0'">
-    <xsl:call-template name="process-chunk-element"/>
-  </xsl:if>
-</xsl:template>
-
-<!-- ==================================================================== -->
-
-<xsl:template name="make.lots">
-  <xsl:param name="toc.params" select="''"/>
-  <xsl:param name="toc"/>
-
-  <xsl:variable name="lots">
-    <xsl:if test="contains($toc.params, 'toc')">
-      <xsl:copy-of select="$toc"/>
-    </xsl:if>
-
-    <xsl:if test="contains($toc.params, 'figure')">
-      <xsl:call-template name="list.of.titles">
-        <xsl:with-param name="titles" select="'figure'"/>
-        <xsl:with-param name="nodes" select=".//figure"/>
-      </xsl:call-template>
-    </xsl:if>
-
-    <xsl:if test="contains($toc.params, 'table')">
-      <xsl:call-template name="list.of.titles">
-        <xsl:with-param name="titles" select="'table'"/>
-        <xsl:with-param name="nodes" select=".//table"/>
-      </xsl:call-template>
-    </xsl:if>
-
-    <xsl:if test="contains($toc.params, 'example')">
-      <xsl:call-template name="list.of.titles">
-        <xsl:with-param name="titles" select="'example'"/>
-        <xsl:with-param name="nodes" select=".//example"/>
-      </xsl:call-template>
-    </xsl:if>
-
-    <xsl:if test="contains($toc.params, 'equation')">
-      <xsl:call-template name="list.of.titles">
-        <xsl:with-param name="titles" select="'equation'"/>
-        <xsl:with-param name="nodes" select=".//equation[title]"/>
-      </xsl:call-template>
-    </xsl:if>
-  </xsl:variable>
-
-  <xsl:if test="string($lots) != ''">
-    <xsl:choose>
-      <xsl:when test="$chunk.tocs.and.lots != 0 and not(parent::*)">
-        <xsl:call-template name="write.chunk">
-          <xsl:with-param name="filename">
-            <xsl:call-template name="make-relative-filename">
-              <xsl:with-param name="base.dir" select="$base.dir"/>
-              <xsl:with-param name="base.name">
-                <xsl:call-template name="dbhtml-dir"/>
-                <xsl:apply-templates select="." mode="recursive-chunk-filename"/>
-                <xsl:text>-toc</xsl:text>
-                <xsl:value-of select="$html.ext"/>
-              </xsl:with-param>
-            </xsl:call-template>
-          </xsl:with-param>
-          <xsl:with-param name="content">
-            <xsl:call-template name="chunk-element-content">
-              <xsl:with-param name="prev" select="/foo"/>
-              <xsl:with-param name="next" select="/foo"/>
-              <xsl:with-param name="nav.context" select="'toc'"/>
-              <xsl:with-param name="content">
-                <h1>
-                  <xsl:apply-templates select="." mode="object.title.markup"/>
-                </h1>
-                <xsl:copy-of select="$lots"/>
-              </xsl:with-param>
-            </xsl:call-template>
-          </xsl:with-param>
-          <xsl:with-param name="quiet" select="$chunk.quietly"/>
-        </xsl:call-template>
-      </xsl:when>
-      <xsl:otherwise>
-        <xsl:copy-of select="$lots"/>
-      </xsl:otherwise>
-    </xsl:choose>
-  </xsl:if>
-</xsl:template>
-
-<!-- ==================================================================== -->
-
-<xsl:template name="in.other.chunk">
-  <xsl:param name="chunk" select="."/>
-  <xsl:param name="node" select="."/>
-
-  <xsl:variable name="is.chunk">
-    <xsl:call-template name="chunk">
-      <xsl:with-param name="node" select="$node"/>
-    </xsl:call-template>
-  </xsl:variable>
-
-<!--
-  <xsl:message>
-    <xsl:text>in.other.chunk: </xsl:text>
-    <xsl:value-of select="name($chunk)"/>
-    <xsl:text> </xsl:text>
-    <xsl:value-of select="name($node)"/>
-    <xsl:text> </xsl:text>
-    <xsl:value-of select="$chunk = $node"/>
-    <xsl:text> </xsl:text>
-    <xsl:value-of select="$is.chunk"/>
-  </xsl:message>
 -->
 
-  <xsl:choose>
-    <xsl:when test="$chunk = $node">0</xsl:when>
-    <xsl:when test="$is.chunk = 1">1</xsl:when>
-    <xsl:when test="count($node) = 0">0</xsl:when>
-    <xsl:otherwise>
-      <xsl:call-template name="in.other.chunk">
-        <xsl:with-param name="chunk" select="$chunk"/>
-        <xsl:with-param name="node" select="$node/parent::*"/>
-      </xsl:call-template>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template name="count.footnotes.in.this.chunk">
-  <xsl:param name="node" select="."/>
-  <xsl:param name="footnotes" select="$node//footnote"/>
-  <xsl:param name="count" select="0"/>
-
-<!--
-  <xsl:message>
-    <xsl:text>count.footnotes.in.this.chunk: </xsl:text>
-    <xsl:value-of select="name($node)"/>
-  </xsl:message>
--->
-
-  <xsl:variable name="in.other.chunk">
-    <xsl:call-template name="in.other.chunk">
-      <xsl:with-param name="chunk" select="$node"/>
-      <xsl:with-param name="node" select="$footnotes[1]"/>
-    </xsl:call-template>
-  </xsl:variable>
-
-  <xsl:choose>
-    <xsl:when test="count($footnotes) = 0">
-      <xsl:value-of select="$count"/>
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:choose>
-        <xsl:when test="$in.other.chunk != 0">
-          <xsl:call-template name="count.footnotes.in.this.chunk">
-            <xsl:with-param name="node" select="$node"/>
-            <xsl:with-param name="footnotes"
-                            select="$footnotes[position() &gt; 1]"/>
-            <xsl:with-param name="count" select="$count"/>
-          </xsl:call-template>
-        </xsl:when>
-        <xsl:when test="$footnotes[1]/ancestor::table
-                        |$footnotes[1]/ancestor::informaltable">
-          <xsl:call-template name="count.footnotes.in.this.chunk">
-            <xsl:with-param name="node" select="$node"/>
-            <xsl:with-param name="footnotes"
-                            select="$footnotes[position() &gt; 1]"/>
-            <xsl:with-param name="count" select="$count"/>
-          </xsl:call-template>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:call-template name="count.footnotes.in.this.chunk">
-            <xsl:with-param name="node" select="$node"/>
-            <xsl:with-param name="footnotes"
-                            select="$footnotes[position() &gt; 1]"/>
-            <xsl:with-param name="count" select="$count + 1"/>
-          </xsl:call-template>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template name="process.footnotes.in.this.chunk">
-  <xsl:param name="node" select="."/>
-  <xsl:param name="footnotes" select="$node//footnote"/>
-
-<!--
-  <xsl:message>process.footnotes.in.this.chunk</xsl:message>
--->
-
-  <xsl:variable name="in.other.chunk">
-    <xsl:call-template name="in.other.chunk">
-      <xsl:with-param name="chunk" select="$node"/>
-      <xsl:with-param name="node" select="$footnotes[1]"/>
-    </xsl:call-template>
-  </xsl:variable>
-
-  <xsl:choose>
-    <xsl:when test="count($footnotes) = 0">
-      <!-- nop -->
-    </xsl:when>
-    <xsl:otherwise>
-      <xsl:choose>
-        <xsl:when test="$in.other.chunk != 0">
-          <xsl:call-template name="process.footnotes.in.this.chunk">
-            <xsl:with-param name="node" select="$node"/>
-            <xsl:with-param name="footnotes"
-                            select="$footnotes[position() &gt; 1]"/>
-          </xsl:call-template>
-        </xsl:when>
-        <xsl:when test="$footnotes[1]/ancestor::table
-                        |$footnotes[1]/ancestor::informaltable">
-          <xsl:call-template name="process.footnotes.in.this.chunk">
-            <xsl:with-param name="node" select="$node"/>
-            <xsl:with-param name="footnotes"
-                            select="$footnotes[position() &gt; 1]"/>
-          </xsl:call-template>
-        </xsl:when>
-        <xsl:otherwise>
-          <xsl:apply-templates select="$footnotes[1]"
-                               mode="process.footnote.mode"/>
-          <xsl:call-template name="process.footnotes.in.this.chunk">
-            <xsl:with-param name="node" select="$node"/>
-            <xsl:with-param name="footnotes"
-                            select="$footnotes[position() &gt; 1]"/>
-          </xsl:call-template>
-        </xsl:otherwise>
-      </xsl:choose>
-    </xsl:otherwise>
-  </xsl:choose>
-</xsl:template>
-
-<xsl:template name="process.footnotes">
-  <xsl:variable name="footnotes" select=".//footnote"/>
-  <xsl:variable name="fcount">
-    <xsl:call-template name="count.footnotes.in.this.chunk">
-      <xsl:with-param name="node" select="."/>
-      <xsl:with-param name="footnotes" select="$footnotes"/>
-    </xsl:call-template>
-  </xsl:variable>
-
-<!--
-  <xsl:message>
-    <xsl:value-of select="name(.)"/>
-    <xsl:text> fcount: </xsl:text>
-    <xsl:value-of select="$fcount"/>
-  </xsl:message>
--->
-
-  <!-- Only bother to do this if there's at least one non-table footnote -->
-  <xsl:if test="$fcount &gt; 0">
-    <div class="footnotes">
-      <br/>
-      <hr width="100" align="left"/>
-      <xsl:call-template name="process.footnotes.in.this.chunk">
-        <xsl:with-param name="node" select="."/>
-        <xsl:with-param name="footnotes" select="$footnotes"/>
-      </xsl:call-template>
-    </div>
-  </xsl:if>
-</xsl:template>
-
-<xsl:template name="process.chunk.footnotes">
-  <xsl:variable name="is.chunk">
-    <xsl:call-template name="chunk"/>
-  </xsl:variable>
-  <xsl:if test="$is.chunk = 1">
-    <xsl:call-template name="process.footnotes"/>
-  </xsl:if>
-</xsl:template>
-
-<!-- ====================================================================== -->
+<xsl:include href="chunk-code.xsl"/>
 
 </xsl:stylesheet>