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epub.xsl
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<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:exsl="http://exslt.org/common"
xmlns:func="http://exslt.org/functions"
xmlns:l="http://docbook.sourceforge.net/xmlns/l10n/1.0"
xmlns:h="http://www.w3.org/1999/xhtml"
xmlns="http://www.w3.org/1999/xhtml"
extension-element-prefixes="exsl func"
xmlns:htmlbook="https://github.com/oreillymedia/HTMLBook"
exclude-result-prefixes="exsl func h">
<xsl:output method="xml"
encoding="UTF-8"/>
<xsl:preserve-space elements="*"/>
<!-- Add title heading elements for different admonition types that do not already have headings in markup -->
<xsl:param name="add.title.heading.for.admonitions" select="1"/>
<!-- ***************** COOKBOOK PARAMS ***************** -->
<!-- *************** Overrides param.xsl *************** -->
<!-- Recipe format should be "X.1 Title, no second period" -->
<xsl:param name="recipe.number.and.title.separator" select="' '"/>
<!-- This book should show sect2s in TOC -->
<xsl:param name="toc.section.depth" select="2"/>
<!-- ***************** LABEL HANDLING ***************** -->
<!-- ************* Overrides common.xsl *************** -->
<!-- Logic for processing sect1 headings with labels (including section numbers) -->
<xsl:template match="h:section[@data-type='chapter' and not(contains(@class, 'orm:non-recipe'))]/h:section[@data-type='sect1' and not(contains(@class, 'orm:non-recipe'))]/h:h1" mode="process-heading">
<xsl:param name="autogenerate.labels" select="$autogenerate.labels"/>
<!-- Labeled element is typically the parent element of the heading (e.g., <section> or <figure>) -->
<xsl:param name="labeled-element" select="(parent::h:header/parent::*|parent::*[not(self::h:header)])[1]"/>
<!-- Labeled element semantic name is typically the parent element of the heading's @data-type -->
<xsl:param name="labeled-element-semantic-name" select="(parent::h:header/parent::*|parent::*[not(self::h:header)])[1]/@data-type"/>
<!-- Name for output heading element; same as current node name by default -->
<xsl:param name="output-element-name" select="local-name(.)"/>
<xsl:element name="{$output-element-name}" namespace="http://www.w3.org/1999/xhtml">
<xsl:apply-templates select="@*"/>
<!-- BEGIN COOKBOOK OVERRIDE -->
<!-- Recipes should have labels in format #.# -->
<xsl:apply-templates select="$labeled-element" mode="label.markup"/>
<xsl:value-of select="$recipe.number.and.title.separator"/>
<xsl:apply-templates/>
<!-- END COOKBOOK OVERRIDE -->
</xsl:element>
</xsl:template>
<!-- Logic for processing sect2 headings with labels (including section numbers) -->
<xsl:template match="h:section[@data-type='chapter' and not(contains(@class, 'orm:non-recipe'))]/h:section[@data-type='sect1' and not(contains(@class, 'orm:non-recipe'))]/h:section[@data-type='sect2' and not(contains(@class, 'orm:non-recipe'))]/h:h2" mode="process-heading">
<xsl:param name="autogenerate.labels" select="$autogenerate.labels"/>
<!-- Labeled element is typically the parent element of the heading (e.g., <section> or <figure>) -->
<xsl:param name="labeled-element" select="(parent::h:header/parent::*|parent::*[not(self::h:header)])[1]"/>
<!-- Labeled element semantic name is typically the parent element of the heading's @data-type -->
<xsl:param name="labeled-element-semantic-name" select="(parent::h:header/parent::*|parent::*[not(self::h:header)])[1]/@data-type"/>
<!-- Name for output heading element; same as current node name by default -->
<xsl:param name="output-element-name" select="local-name(.)"/>
<xsl:element name="{$output-element-name}" namespace="http://www.w3.org/1999/xhtml">
<xsl:apply-templates select="@*"/>
<!-- BEGIN COOKBOOK OVERRIDE -->
<!-- Recipes should have labels in format #.# -->
<xsl:apply-templates select="$labeled-element" mode="label.markup"/>
<xsl:value-of select="$recipe.number.and.title.separator"/>
<xsl:apply-templates/>
<!-- END COOKBOOK OVERRIDE -->
</xsl:element>
</xsl:template>
<!-- Creating the sect1 labels (read: creating the X.X section numbering) -->
<xsl:template match="h:section[@data-type='chapter' and not(contains(@class, 'orm:non-recipe'))]/h:section[@data-type='sect1' and not(contains(@class, 'orm:non-recipe'))]" mode="label.markup">
<xsl:variable name="current-node" select="."/>
<!-- BEGIN COOKBOOK OVERRIDE -->
<!-- Recipes should always be labeled with ancestor chapter -->
<xsl:for-each select="ancestor::h:section[@data-type='chapter']">
<xsl:call-template name="get-label-from-data-type">
<xsl:with-param name="data-type" select="@data-type"/>
</xsl:call-template>
<xsl:apply-templates select="$current-node" mode="intralabel.punctuation"/>
</xsl:for-each>
<!-- Custom Recipe numbering logic:
* Don't number Recipes with class=orm:non-recipe
* Introduction sections at the beginning of chapters have labeling start at #.0
-->
<xsl:variable name="is.numbered">
<xsl:choose>
<xsl:when test="@class='orm:non-recipe'">1</xsl:when>
<xsl:otherwise>0</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="chap.has.intro">
<xsl:choose>
<xsl:when test="$is.numbered = 0">
<xsl:call-template name="check.chap.for.intro">
<xsl:with-param name="chapter" select="parent::*"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>1</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="recipe.level">
<xsl:value-of select="count(preceding-sibling::h:section[@data-type='sect1'][not(@class='orm:non-recipe')]) + (1 - $chap.has.intro - $is.numbered)"/>
</xsl:variable>
<xsl:number format="1" value="$recipe.level"/>
<!-- END COOKBOOK OVERRIDE -->
</xsl:template>
<!-- Creating the sect2 labels (read: creating the X.X.X section numbering) -->
<xsl:template match="h:section[@data-type='chapter' and not(contains(@class, 'orm:non-recipe'))]/h:section[@data-type='sect1' and not(contains(@class, 'orm:non-recipe'))]/h:section[@data-type='sect2' and not(contains(@class, 'orm:non-recipe'))]" mode="label.markup">
<!-- END OVERRIDE -->
<xsl:variable name="current-node" select="."/>
<!-- BEGIN COOKBOOK OVERRIDE -->
<!-- Recipes should always be labeled with ancestor chapter -->
<xsl:for-each select="ancestor::h:section[@data-type='chapter']">
<xsl:call-template name="get-label-from-data-type">
<xsl:with-param name="data-type" select="@data-type"/>
</xsl:call-template>
<xsl:apply-templates select="$current-node" mode="intralabel.punctuation"/>
</xsl:for-each>
<!-- Custom Recipe numbering logic:
* Don't number Recipes with class=orm:non-recipe
* Introduction sections at the beginning of chapters have labeling start at #.0
-->
<xsl:variable name="is.numbered">
<xsl:choose>
<xsl:when test="parent::h:section/@class='orm:non-recipe'">1</xsl:when>
<xsl:otherwise>0</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="chap.has.intro">
<xsl:choose>
<xsl:when test="$is.numbered = 0">
<xsl:call-template name="check.chap.for.intro">
<xsl:with-param name="chapter" select="ancestor::h:section[data-type='chapter']"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>1</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="sect1.recipe.level">
<xsl:value-of select="count(../preceding-sibling::h:section[@data-type='sect1'][not(@class='orm:non-recipe')]) + (1 - $chap.has.intro - $is.numbered)"/>
</xsl:variable>
<xsl:number format="1" value="$sect1.recipe.level"/>
<xsl:text>.</xsl:text>
<xsl:variable name="is.sect1.numbered">
<xsl:choose>
<xsl:when test="@class='orm:non-recipe'">1</xsl:when>
<xsl:otherwise>0</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="sect1.has.intro">
<xsl:choose>
<xsl:when test="$is.sect1.numbered = 0">
<xsl:call-template name="check.sect1.for.intro">
<xsl:with-param name="sect1" select="parent::*"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>1</xsl:otherwise>
</xsl:choose>
</xsl:variable>
<xsl:variable name="recipe.level">
<xsl:value-of select="count(preceding-sibling::h:section[@data-type='sect2'][not(@class='orm:non-recipe')]) + (1 - $sect1.has.intro - $is.sect1.numbered)"/>
</xsl:variable>
<xsl:number format="1" value="$recipe.level"/>
<!-- END COOKBOOK OVERRIDE -->
</xsl:template>
<!-- Utility template -->
<xsl:template name="check.chap.for.intro">
<xsl:param name="chapter" select="."/>
<xsl:choose>
<xsl:when test="$chapter/h:section[@data-type='sect1'][1]/h:h1 = 'Introduction'">1</xsl:when>
<xsl:otherwise>0</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="check.sect1.for.intro">
<xsl:param name="sect1" select="."/>
<xsl:choose>
<xsl:when test="$sect1/h:section[@data-type='sect2'][1]/h:h2 = 'Introduction'">1</xsl:when>
<xsl:otherwise>0</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- ***************** Custom xref handling ************ -->
<!-- Overrides xrefgen.xsl -->
<!-- Custom xrefs to numbered sections -->
<xsl:template match="h:section[@data-type='sect1']" mode="xref-to">
<xsl:param name="referrer"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="verbose" select="1"/>
<xsl:choose>
<xsl:when test="h:h1">
<xsl:apply-templates select="." mode="object.xref.markup">
<xsl:with-param name="purpose" select="'xref'"/>
<!-- BEGIN OVERRIDE -->
<xsl:with-param name="xrefstyle" select="'template: Section %n: %t'"/>
<!-- END OVERRIDE -->
<xsl:with-param name="referrer" select="$referrer"/>
<xsl:with-param name="verbose" select="$verbose"/>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<!-- Otherwise, throw warning, and print out ??? -->
<xsl:call-template name="log-message">
<xsl:with-param name="type" select="'WARNING'"/>
<xsl:with-param name="message">
<xsl:text>Cannot output gentext for XREF to section (id:</xsl:text>
<xsl:value-of select="@id"/>
<xsl:text>)</xsl:text>
</xsl:with-param>
</xsl:call-template>
<xsl:text>???</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="h:section[@data-type='sect2']" mode="xref-to">
<xsl:param name="referrer"/>
<xsl:param name="xrefstyle"/>
<xsl:param name="verbose" select="1"/>
<xsl:choose>
<xsl:when test="h:h2">
<xsl:apply-templates select="." mode="object.xref.markup">
<xsl:with-param name="purpose" select="'xref'"/>
<!-- BEGIN OVERRIDE -->
<xsl:with-param name="xrefstyle" select="'template: Section %n: %t'"/>
<!-- END OVERRIDE -->
<xsl:with-param name="referrer" select="$referrer"/>
<xsl:with-param name="verbose" select="$verbose"/>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<!-- Otherwise, throw warning, and print out ??? -->
<xsl:call-template name="log-message">
<xsl:with-param name="type" select="'WARNING'"/>
<xsl:with-param name="message">
<xsl:text>Cannot output gentext for XREF to section (id:</xsl:text>
<xsl:value-of select="@id"/>
<xsl:text>)</xsl:text>
</xsl:with-param>
</xsl:call-template>
<xsl:text>???</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- ***************** TOC HANDLING ***************** -->
<!-- ************* Overrides tocgen.xsl ************* -->
<xsl:template match="h:section[not(@data-type = 'dedication' or @data-type = 'titlepage' or @data-type = 'toc' or @data-type = 'colophon' or @data-type = 'copyright-page' or @data-type = 'halftitlepage')]|h:div[@data-type='part']" mode="tocgen">
<xsl:param name="toc.section.depth" select="$toc.section.depth"/>
<xsl:choose>
<!-- Don't output entry for section elements at a level that is greater than specified $toc.section.depth -->
<xsl:when test="self::h:section[contains(@data-type, 'sect') and htmlbook:section-depth(.) != '' and htmlbook:section-depth(.) > $toc.section.depth]"/>
<!-- Otherwise, go ahead -->
<xsl:otherwise>
<xsl:element name="li">
<xsl:attribute name="data-type">
<xsl:value-of select="@data-type"/>
</xsl:attribute>
<a>
<xsl:attribute name="href">
<xsl:call-template name="href.target">
<xsl:with-param name="object" select="."/>
</xsl:call-template>
</xsl:attribute>
<!-- BEGIN COOKBOOK OVERRIDE -->
<xsl:if test="(self::h:section[@data-type='sect1'] and ancestor::h:section[@data-type='chapter'] or self::h:section[@data-type='sect2'] and ancestor::h:section[@data-type='sect1']) and not(ancestor-or-self::h:section[contains(@class, 'orm:non-recipe')])">
<xsl:variable name="toc-entry-label">
<xsl:apply-templates select="." mode="label.markup"/>
</xsl:variable>
<xsl:value-of select="normalize-space($toc-entry-label)"/>
<xsl:value-of select="$recipe.number.and.title.separator"/>
</xsl:if>
<!-- END COOKBOOK OVERRIDE -->
<xsl:apply-templates select="." mode="title.markup"/>
</a>
<!-- Make sure there are descendants that conform to $toc.section.depth restrictions before generating nested TOC <ol> -->
<xsl:if test="descendant::h:section[not(contains(@data-type, 'sect')) or htmlbook:section-depth(.) <= $toc.section.depth]|descendant::h:div[@data-type='part']">
<ol>
<xsl:apply-templates mode="tocgen">
<xsl:with-param name="toc.section.depth" select="$toc.section.depth"/>
</xsl:apply-templates>
</ol>
</xsl:if>
</xsl:element>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="string-replace-all">
<xsl:param name="text"/>
<xsl:param name="replace"/>
<xsl:param name="by"/>
<xsl:choose>
<xsl:when test="contains($text, $replace)">
<xsl:value-of select="substring-before($text,$replace)"/>
<xsl:value-of select="$by"/>
<xsl:call-template name="string-replace-all">
<xsl:with-param name="text" select="substring-after($text,$replace)"/>
<xsl:with-param name="replace" select="$replace"/>
<xsl:with-param name="by" select="$by"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$text"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>