Hello, Please look at the attached patch to speedup (~5x) `make postgres.epub`. The optimization is similar to the previous one designed for xhtml.Additional script attached to prove that the result of modified XSL transformations is the same.
Best regards, Alexander
7_check_epub-speedup-patch.sh
Description: application/shellscript
diff --git a/doc/src/sgml/Makefile b/doc/src/sgml/Makefile index fe7ca65..8b8f39c 100644 --- a/doc/src/sgml/Makefile +++ b/doc/src/sgml/Makefile @@ -288,7 +288,7 @@ FOP = fop epub: postgres.epub postgres.epub: postgres.xml $(XMLLINT) --noout --valid $< - $(DBTOEPUB) $< + $(DBTOEPUB) -s stylesheet-epub.xsl $< ## diff --git a/doc/src/sgml/stylesheet-epub.xsl b/doc/src/sgml/stylesheet-epub.xsl new file mode 100644 index 0000000..25fc3d2 --- /dev/null +++ b/doc/src/sgml/stylesheet-epub.xsl @@ -0,0 +1,11 @@ +<?xml version='1.0'?> +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; + version='1.0' + xmlns="http://www.w3.org/1999/xhtml";> + +<xsl:import href="http://docbook.sourceforge.net/release/xsl/current/epub/docbook.xsl"/> + +<xsl:include href="stylesheet-speedup-common.xsl" /> +<xsl:include href="stylesheet-speedup-epub.xsl" /> + +</xsl:stylesheet> diff --git a/doc/src/sgml/stylesheet-speedup-epub.xsl b/doc/src/sgml/stylesheet-speedup-epub.xsl new file mode 100644 index 0000000..4e50531 --- /dev/null +++ b/doc/src/sgml/stylesheet-speedup-epub.xsl @@ -0,0 +1,663 @@ +<?xml version="1.0" encoding="utf-8"?> +<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; + xmlns="http://www.w3.org/1999/xhtml"; + version='1.0'> + +<!-- Performance-optimized versions of some upstream templates from + epub/ and xhtml-1_1/ directories --> + +<!-- Compare with the original template: +wget http://docbook.sourceforge.net/release/xsl/1.79.1/epub/docbook.xsl -O - | grep -Pzo '(?s)<xsl:template match="book[^"]+"\s+mode="ncx">(.*?)</xsl:template>\s' >/tmp/xsl1; +grep -Pzo '(?s)<xsl:template match="book[^"]+"\s+mode="ncx">(.*?)</xsl:template>\s' stylesheet-speedup-epub.xsl >/tmp/xsl2; +diff -u /tmp/xsl1 /tmp/xsl2 +--> +<!-- from epub/docbook.xsl --> + + <xsl:template match="book| + article| + part| + reference| + preface| + chapter| + bibliography| + appendix| + glossary| + section| + sect1| + sect2| + sect3| + sect4| + sect5| + refentry| + colophon| + bibliodiv[title]| + setindex| + index" + mode="ncx"> + <xsl:variable name="depth" select="count(ancestor::*)"/> + <xsl:variable name="title"> + <xsl:if test="$epub.autolabel != 0"> + <xsl:variable name="label.markup"> + <xsl:apply-templates select="." mode="label.markup" /> + </xsl:variable> + <xsl:if test="normalize-space($label.markup)"> + <xsl:value-of + select="concat($label.markup,$autotoc.label.separator)" /> + </xsl:if> + </xsl:if> + <xsl:apply-templates select="." mode="title.markup" /> + </xsl:variable> + + <xsl:variable name="href"> + <xsl:call-template name="href.target.with.base.dir"> + <xsl:with-param name="context" select="/" /> + <!-- Generate links relative to the location of root file/toc.xml file --> + </xsl:call-template> + </xsl:variable> + + <xsl:variable name="id"> + <xsl:value-of select="generate-id(.)"/> + </xsl:variable> + <xsl:variable name="order"> + <!-- Optimization for pgsql-docs: Avoid multiple expensive preceding searches --> + <xsl:number level="any" count="//book[parent::set]|part|reference|preface|chapter|bibliography|appendix|article|glossary|section|sect1|sect2|sect3|sect4|sect5|refentry|colophon|bibliodiv[title]|setindex|index"/> +<!-- + <xsl:value-of select="$depth + + count(preceding::part| + preceding::reference| + preceding::book[parent::set]| + preceding::preface| + preceding::chapter| + preceding::bibliography| + preceding::appendix| + preceding::article| + preceding::glossary| + preceding::section[not(parent::partintro)]| + preceding::sect1[not(parent::partintro)]| + preceding::sect2[not(ancestor::partintro)]| + preceding::sect3[not(ancestor::partintro)]| + preceding::sect4[not(ancestor::partintro)]| + preceding::sect5[not(ancestor::partintro)]| + preceding::refentry| + preceding::colophon| + preceding::bibliodiv[title]| + preceding::index)"/> +--> + </xsl:variable> + + <xsl:element name="navPoint" namespace="http://www.daisy.org/z3986/2005/ncx/";> + <xsl:attribute name="id"> + <xsl:value-of select="$id"/> + </xsl:attribute> + + <xsl:attribute name="playOrder"> + <xsl:choose> + <xsl:when test="/*[self::set]"> + <xsl:value-of select="$order"/> + </xsl:when> + <xsl:when test="$root.is.a.chunk != '0'"> + <xsl:value-of select="$order + 1"/> + </xsl:when> + <xsl:otherwise> + <xsl:value-of select="$order - 0"/> + </xsl:otherwise> + </xsl:choose> + </xsl:attribute> + <xsl:element name="navLabel" namespace="http://www.daisy.org/z3986/2005/ncx/";> + <xsl:element name="text" namespace="http://www.daisy.org/z3986/2005/ncx/";><xsl:value-of select="normalize-space($title)"/> </xsl:element> + </xsl:element> + <xsl:element name="content" namespace="http://www.daisy.org/z3986/2005/ncx/";> + <xsl:attribute name="src"> + <xsl:value-of select="$href"/> + </xsl:attribute> + </xsl:element> + <xsl:apply-templates select="book[parent::set]|part|reference|preface|chapter|bibliography|appendix|article|glossary|section|sect1|sect2|sect3|sect4|sect5|refentry|colophon|bibliodiv[title]|setindex|index" mode="ncx"/> + </xsl:element> + + </xsl:template> + +<!-- Optimization for pgsql-docs: Avoid expensive counting with xsl:number level="any" --> +<!-- Compare with the original template: +wget http://docbook.sourceforge.net/release/xsl/1.79.1/xhtml-1_1/chunk-code.xsl -O - | grep -Pzo '(?s)<xsl:template match="\*" mode="recursive-chunk-filename">(.*?)</xsl:template>\s' >/tmp/xsl1; +grep -Pzo '(?s)<!\-\- modified recursive-chunk-filename template \-\->(.*?)</xsl:template>\s' stylesheet-speedup-epub.xsl >/tmp/xsl2; +diff -u /tmp/xsl1 /tmp/xsl2 +--> +<!-- from xhtml-1_1/chunk-code.xsl --> + +<!-- modified recursive-chunk-filename template --> +<xsl:key name="kRefentry" match="refentry" use="''"/> +<xsl:key name="kChapter" match="chapter" use="''"/> + +<xsl:template match="*" mode="recursive-chunk-filename"> + <xsl:param name="recursive" select="false()"/> + <xsl:variable name="current-node" select="." /> + + <!-- returns the filename of a chunk --> + <xsl:variable name="ischunk"> + <xsl:call-template name="chunk"/> + </xsl:variable> + + <xsl:variable name="dbhtml-filename"> + <xsl:call-template name="pi.dbhtml_filename"/> + </xsl:variable> + + <xsl:variable name="filename"> + <xsl:choose> + <xsl:when test="$dbhtml-filename != ''"> + <xsl:value-of select="$dbhtml-filename"/> + </xsl:when> + <!-- if this is the root element, use the root.filename --> + <xsl:when test="not(parent::*) and $root.filename != ''"> + <xsl:value-of select="$root.filename"/> + <xsl:value-of select="$html.ext"/> + </xsl:when> + <!-- Special case --> + <xsl:when test="self::legalnotice and not($generate.legalnotice.link = 0)"> + <xsl:choose> + <xsl:when test="(@id or @xml:id) and not($use.id.as.filename = 0)"> + <!-- * if this legalnotice has an ID, then go ahead and use --> + <!-- * just the value of that ID as the basename for the file --> + <!-- * (that is, without prepending an "ln-" too it) --> + <xsl:value-of select="(@id|@xml:id)[1]"/> + <xsl:value-of select="$html.ext"/> + </xsl:when> + <xsl:otherwise> + <!-- * otherwise, if this legalnotice does not have an ID, --> + <!-- * then we generate an ID... --> + <xsl:variable name="id"> + <xsl:call-template name="object.id"/> + </xsl:variable> + <!-- * ...and then we take that generated ID, prepend an --> + <!-- * "ln-" to it, and use that as the basename for the file --> + <xsl:value-of select="concat('ln-',$id,$html.ext)"/> + </xsl:otherwise> + </xsl:choose> + </xsl:when> + <!-- if there's no dbhtml filename, and if we're to use IDs as --> + <!-- filenames, then use the ID to generate the filename. --> + <xsl:when test="(@id or @xml:id) and $use.id.as.filename != 0"> + <xsl:value-of select="(@id|@xml:id)[1]"/> + <xsl:value-of select="$html.ext"/> + </xsl:when> + <xsl:otherwise/> + </xsl:choose> + </xsl:variable> + + <xsl:choose> + <xsl:when test="$ischunk='0'"> + <!-- if called on something that isn't a chunk, walk up... --> + <xsl:choose> + <xsl:when test="count(parent::*)>0"> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="$recursive"/> + </xsl:apply-templates> + </xsl:when> + <!-- unless there is no up, in which case return "" --> + <xsl:otherwise/> + </xsl:choose> + </xsl:when> + + <xsl:when test="not($recursive) and $filename != ''"> + <!-- if this chunk has an explicit name, use it --> + <xsl:value-of select="$filename"/> + </xsl:when> + + <!-- treat nested set separate from root --> + <xsl:when test="self::set and ancestor::set"> + <xsl:text>se</xsl:text> + <xsl:number level="any" format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::set"> + <xsl:value-of select="$root.filename"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::book"> + <xsl:text>bk</xsl:text> + <xsl:number level="any" format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::article"> + <xsl:if test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:if> + + <xsl:text>ar</xsl:text> + <xsl:number level="any" format="01" from="book"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::preface"> + <xsl:if test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:if> + + <xsl:text>pr</xsl:text> + <xsl:number format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::chapter"> + <xsl:if test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:if> + + <xsl:text>ch</xsl:text> + <xsl:for-each select="key('kChapter', '')"><xsl:if test=". = $current-node"><xsl:number format="01" value="position()"/></xsl:if></xsl:for-each> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::appendix"> + <xsl:if test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:if> + + <xsl:text>ap</xsl:text> + <xsl:number level="any" format="a" from="book"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::part"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>pt</xsl:text> + <xsl:number format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::reference"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>rn</xsl:text> + <xsl:number format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::refentry"> + <xsl:choose> + <xsl:when test="parent::reference"> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + <xsl:if test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:if> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>re</xsl:text> + <xsl:for-each select="key('kRefentry', '')"><xsl:if test=". = $current-node"><xsl:number format="01" value="position()"/></xsl:if></xsl:for-each> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::colophon"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>co</xsl:text> + <xsl:number level="any" format="01" from="book"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::sect1 or self::sect2 or self::sect3 or self::sect4 or self::sect5 or self::section"> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + <xsl:text>s</xsl:text> + <xsl:number format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::bibliography"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>bi</xsl:text> + <xsl:number level="any" format="01" from="book"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::glossary"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>go</xsl:text> + <xsl:number level="any" format="01" from="book"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::index"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>ix</xsl:text> + <xsl:number format="01"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::setindex"> + <xsl:text>si</xsl:text> + <xsl:number level="any" format="01" from="set"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:when test="self::topic"> + <xsl:choose> + <xsl:when test="/set"> + <!-- in a set, make sure we inherit the right book info... --> + <xsl:apply-templates mode="recursive-chunk-filename" select="parent::*"> + <xsl:with-param name="recursive" select="true()"/> + </xsl:apply-templates> + </xsl:when> + <xsl:otherwise> + </xsl:otherwise> + </xsl:choose> + + <xsl:text>to</xsl:text> + <xsl:number level="any" format="01" from="book"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:when> + + <xsl:otherwise> + <xsl:text>chunk-filename-error-</xsl:text> + <xsl:value-of select="name(.)"/> + <xsl:number level="any" format="01" from="set"/> + <xsl:if test="not($recursive)"> + <xsl:value-of select="$html.ext"/> + </xsl:if> + </xsl:otherwise> + </xsl:choose> +</xsl:template> + +<!-- based on similar optimizations in stylesheet-speedup-xhtml --> +<!-- from xhtml-1_1/autoidx.xsl --> + +<xsl:template match="indexterm" mode="reference"> + <xsl:param name="scope" select="."/> + <xsl:param name="role" select="''"/> + <xsl:param name="type" select="''"/> + <xsl:param name="position"/> + <xsl:param name="separator" select="''"/> + + <xsl:variable name="term.separator"> + <xsl:call-template name="index.separator"> + <xsl:with-param name="key" select="'index.term.separator'"/> + </xsl:call-template> + </xsl:variable> + + <xsl:variable name="number.separator"> + <xsl:call-template name="index.separator"> + <xsl:with-param name="key" select="'index.number.separator'"/> + </xsl:call-template> + </xsl:variable> + + <xsl:variable name="range.separator"> + <xsl:call-template name="index.separator"> + <xsl:with-param name="key" select="'index.range.separator'"/> + </xsl:call-template> + </xsl:variable> + + <xsl:choose> + <xsl:when test="$separator != ''"> + <xsl:value-of select="$separator"/> + </xsl:when> + <xsl:when test="$position = 1"> + <xsl:value-of select="$term.separator"/> + </xsl:when> + <xsl:otherwise> + <xsl:value-of select="$number.separator"/> + </xsl:otherwise> + </xsl:choose> + + <xsl:choose> + <xsl:when test="@zone and string(@zone)"> + <xsl:call-template name="reference"> + <xsl:with-param name="zones" select="normalize-space(@zone)"/> + <xsl:with-param name="position" select="position()"/> + <xsl:with-param name="scope" select="$scope"/> + <xsl:with-param name="role" select="$role"/> + <xsl:with-param name="type" select="$type"/> + </xsl:call-template> + </xsl:when> + <xsl:otherwise> + <a> + <xsl:apply-templates select="." mode="class.attribute"/> + <xsl:variable name="title"> + <xsl:choose> + <xsl:when test="$index.prefer.titleabbrev != 0"> + <xsl:apply-templates select="(ancestor-or-self::set|ancestor-or-self::book|ancestor-or-self::part|ancestor-or-self::reference|ancestor-or-self::partintro|ancestor-or-self::chapter|ancestor-or-self::appendix|ancestor-or-self::preface|ancestor-or-self::article|ancestor-or-self::section|ancestor-or-self::sect1|ancestor-or-self::sect2|ancestor-or-self::sect3|ancestor-or-self::sect4|ancestor-or-self::sect5|ancestor-or-self::refentry|ancestor-or-self::refsect1|ancestor-or-self::refsect2|ancestor-or-self::refsect3|ancestor-or-self::simplesect|ancestor-or-self::bibliography|ancestor-or-self::glossary|ancestor-or-self::index|ancestor-or-self::webpage|ancestor-or-self::topic)[last()]" mode="titleabbrev.markup"/> + </xsl:when> + <xsl:otherwise> + <xsl:apply-templates select="(ancestor-or-self::set|ancestor-or-self::book|ancestor-or-self::part|ancestor-or-self::reference|ancestor-or-self::partintro|ancestor-or-self::chapter|ancestor-or-self::appendix|ancestor-or-self::preface|ancestor-or-self::article|ancestor-or-self::section|ancestor-or-self::sect1|ancestor-or-self::sect2|ancestor-or-self::sect3|ancestor-or-self::sect4|ancestor-or-self::sect5|ancestor-or-self::refentry|ancestor-or-self::refsect1|ancestor-or-self::refsect2|ancestor-or-self::refsect3|ancestor-or-self::simplesect|ancestor-or-self::bibliography|ancestor-or-self::glossary|ancestor-or-self::index|ancestor-or-self::webpage|ancestor-or-self::topic)[last()]" mode="title.markup"/> + </xsl:otherwise> + </xsl:choose> + </xsl:variable> + + <xsl:attribute name="href"> + <xsl:choose> + <xsl:when test="$index.links.to.section = 1"> + <xsl:call-template name="href.target"> + <xsl:with-param name="object" select="(ancestor-or-self::set|ancestor-or-self::book|ancestor-or-self::part|ancestor-or-self::reference|ancestor-or-self::partintro|ancestor-or-self::chapter|ancestor-or-self::appendix|ancestor-or-self::preface|ancestor-or-self::article|ancestor-or-self::section|ancestor-or-self::sect1|ancestor-or-self::sect2|ancestor-or-self::sect3|ancestor-or-self::sect4|ancestor-or-self::sect5|ancestor-or-self::refentry|ancestor-or-self::refsect1|ancestor-or-self::refsect2|ancestor-or-self::refsect3|ancestor-or-self::simplesect|ancestor-or-self::bibliography|ancestor-or-self::glossary|ancestor-or-self::index|ancestor-or-self::webpage|ancestor-or-self::topic)[last()]"/> + <!-- Optimization for pgsql-docs: We only have an index as a + child of book, so look that up directly instead of + scanning the entire node tree. Also, don't look for + setindex. --> + <!-- <xsl:with-param name="context" select="(//index[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))] | //setindex[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))])[1]"/> --> + <xsl:with-param name="context" select="(/book/index[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))])[1]"/> + </xsl:call-template> + </xsl:when> + <xsl:otherwise> + <xsl:call-template name="href.target"> + <xsl:with-param name="object" select="."/> + <xsl:with-param name="context" select="(//index[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))] | //setindex[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))])[1]"/> + </xsl:call-template> + </xsl:otherwise> + </xsl:choose> + + </xsl:attribute> + + <xsl:value-of select="$title"/> <!-- text only --> + </a> + + <xsl:variable name="id" select="(@id|@xml:id)[1]"/> + <xsl:if test="key('endofrange', $id)[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))]"> + <xsl:apply-templates select="key('endofrange', $id)[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))][last()]" mode="reference"> + <xsl:with-param name="position" select="position()"/> + <xsl:with-param name="scope" select="$scope"/> + <xsl:with-param name="role" select="$role"/> + <xsl:with-param name="type" select="$type"/> + <xsl:with-param name="separator" select="$range.separator"/> + </xsl:apply-templates> + </xsl:if> + </xsl:otherwise> + </xsl:choose> +</xsl:template> + +<xsl:template name="reference"> + <xsl:param name="scope" select="."/> + <xsl:param name="role" select="''"/> + <xsl:param name="type" select="''"/> + <xsl:param name="zones"/> + + <xsl:choose> + <xsl:when test="contains($zones, ' ')"> + <xsl:variable name="zone" select="substring-before($zones, ' ')"/> + <xsl:variable name="target" select="key('sections', $zone)"/> + + <a> + <xsl:apply-templates select="." mode="class.attribute"/> + <xsl:call-template name="id.attribute"/> + <xsl:attribute name="href"> + <xsl:call-template name="href.target"> + <xsl:with-param name="object" select="$target[1]"/> + <xsl:with-param name="context" select="//index[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))][1]"/> + </xsl:call-template> + </xsl:attribute> + <xsl:apply-templates select="$target[1]" mode="index-title-content"/> + </a> + <xsl:text>, </xsl:text> + <xsl:call-template name="reference"> + <xsl:with-param name="zones" select="substring-after($zones, ' ')"/> + <xsl:with-param name="position" select="position()"/> + <xsl:with-param name="scope" select="$scope"/> + <xsl:with-param name="role" select="$role"/> + <xsl:with-param name="type" select="$type"/> + </xsl:call-template> + </xsl:when> + <xsl:otherwise> + <xsl:variable name="zone" select="$zones"/> + <xsl:variable name="target" select="key('sections', $zone)"/> + + <a> + <xsl:apply-templates select="." mode="class.attribute"/> + <xsl:call-template name="id.attribute"/> + <xsl:attribute name="href"> + <xsl:call-template name="href.target"> + <xsl:with-param name="object" select="$target[1]"/> + <!-- Optimization for pgsql-docs: Only look for index under book + instead of searching the whole node tree. --> + <!-- <xsl:with-param name="context" select="//index[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))][1]"/> --> + <xsl:with-param name="context" select="/book/index[count(ancestor::node()|$scope) = count(ancestor::node()) and ($role = @role or $type = @type or (string-length($role) = 0 and string-length($type) = 0))][1]"/> + </xsl:call-template> + </xsl:attribute> + <xsl:apply-templates select="$target[1]" mode="index-title-content"/> + </a> + </xsl:otherwise> + </xsl:choose> +</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 --> + + <!-- Optimization for pgsql-docs: Since we set a fixed $chunk.section.depth, + we can do away with a bunch of complicated XPath searches for the + previous and next sections at various levels. --> + + <xsl:if test="$chunk.section.depth != 1"> + <xsl:message terminate="yes"> + <xsl:text>Error: If you change $chunk.section.depth, then you must update the performance-optimized chunk-first-section-with-parent template.</xsl:text> + </xsl:message> + </xsl:if> + + <xsl:variable name="prev" select="(preceding::book[1] |preceding::preface[1] |preceding::chapter[1] |preceding::appendix[1] |preceding::part[1] |preceding::reference[1] |preceding::refentry[1] |preceding::colophon[1] |preceding::article[1] |preceding::topic[1] |preceding::bibliography[parent::article or parent::book or parent::part][1] |preceding::glossary[parent::article or parent::book or parent::part][1] |preceding::index[$generate.index != 0] [parent::article or parent::book or parent::part][1] |preceding::setindex[$generate.index != 0][1] |ancestor::set |ancestor::book[1] |ancestor::preface[1] |ancestor::chapter[1] |ancestor::appendix[1] |ancestor::part[1] |ancestor::reference[1] |ancestor::article[1] |ancestor::topic[1] | ancestor::sect1[1] | preceding::sect1[1] )[last()]"/> + + <xsl:variable name="next" select="(following::book[1] |following::preface[1] |following::chapter[1] |following::appendix[1] |following::part[1] |following::reference[1] |following::refentry[1] |following::colophon[1] |following::bibliography[parent::article or parent::book or parent::part][1] |following::glossary[parent::article or parent::book or parent::part][1] |following::index[$generate.index != 0] [parent::article or parent::book or parent::part][1] |following::article[1] |following::topic[1] |following::setindex[$generate.index != 0][1] |descendant::book[1] |descendant::preface[1] |descendant::chapter[1] |descendant::appendix[1] |descendant::article[1] |descendant::topic[1] |descendant::bibliography[parent::article or parent::book or parent::part][1] |descendant::glossary[parent::article or parent::book or parent::part][1] |descendant::index[$generate.index != 0] [parent::article or parent::book or parent::part][1] |descendant::colophon[1] |descendant::setindex[$generate.index != 0][1] |descendant::part[1] |descendant::reference[1] |descendant::refentry[1] | following::sect1[1] | descendant::sect1[1] )[1]"/> + + <xsl:call-template name="process-chunk"> + <xsl:with-param name="prev" select="$prev"/> + <xsl:with-param name="next" select="$next"/> + <xsl:with-param name="content" select="$content"/> + </xsl:call-template> +</xsl:template> + +</xsl:stylesheet>
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