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<?xml version='1.0'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:doc="http://nwalsh.com/xsl/documentation/1.0"
exclude-result-prefixes="doc"
version='1.0'>
<!-- ********************************************************************
$Id$
********************************************************************
This file is part of the XSL DocBook Stylesheet distribution.
See ../README or http://nwalsh.com/docbook/xsl/ for copyright
and other information.
******************************************************************** -->
<!-- ==================================================================== -->
<!-- cross reference target collection -->
<doc:mode mode="collect.targets" xmlns="">
<refpurpose>Collects information for potential cross reference targets</refpurpose>
<refdescription>
<para>Processing the root element in the
<literal role="mode">collect.targets</literal> mode produces
a set of target database elements that can be used by
the olink mechanism to resolve external cross references.
The collection process is controlled by the <literal>
collect.xref.targets</literal> parameter, which can be
<literal>yes</literal> to collect targets and process
the document for output, <literal>only</literal> to
only collect the targets, and <literal>no</literal>
(default) to not collect the targets and only process the document.
</para>
<para>
A <literal>targets.filename</literal> parameter must be
specified to receive the output if
<literal>collect.xref.targets</literal> is
set to <literal>yes</literal> so as to
redirect the target data to a file separate from the
document output.
</para>
</refdescription>
</doc:mode>
<!-- ============================================================ -->
<xsl:template match="*" mode="collect.targets">
<xsl:choose>
<xsl:when test="$collect.xref.targets = 'yes' and $targets.filename = ''">
<xsl:message>
Must specify a $targets.filename parameter when
$collect.xref.targets is set to 'yes'.
The xref targets were not collected.
</xsl:message>
</xsl:when>
<xsl:otherwise>
<xsl:choose>
<xsl:when test="$targets.filename">
<xsl:call-template name="write.chunk">
<xsl:with-param name="filename" select="$targets.filename"/>
<xsl:with-param name="method" select="'xml'"/>
<xsl:with-param name="encoding" select="'utf-8'"/>
<xsl:with-param name="omit-xml-declaration" select="'yes'"/>
<xsl:with-param name="doctype-public" select="''"/>
<xsl:with-param name="doctype-system" select="''"/>
<xsl:with-param name="indent" select="'yes'"/>
<xsl:with-param name="quiet" select="0"/>
<xsl:with-param name="content">
<xsl:apply-templates select="." mode="olink.mode"/>
</xsl:with-param>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<!-- Else write to standard output -->
<xsl:apply-templates select="." mode="olink.mode"/>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="olink.href.target">
<xsl:param name="nd" select="."/>
<xsl:value-of select="$olink.base.uri"/>
<xsl:call-template name="href.target">
<xsl:with-param name="object" select="$nd"/>
</xsl:call-template>
</xsl:template>
<!-- Templates for extracting cross reference information
from a document for use in an xref database.
-->
<xsl:template name="attrs">
<xsl:param name="nd" select="."/>
<xsl:attribute name="element">
<xsl:value-of select="local-name(.)"/>
</xsl:attribute>
<xsl:attribute name="href">
<xsl:call-template name="olink.href.target">
<xsl:with-param name="nd" select="$nd"/>
</xsl:call-template>
</xsl:attribute>
<xsl:variable name="num">
<xsl:apply-templates select="$nd" mode="label.markup">
<xsl:with-param name="verbose" select="0"/>
</xsl:apply-templates>
</xsl:variable>
<xsl:if test="$num">
<xsl:attribute name="number">
<xsl:value-of select="$num"/>
</xsl:attribute>
</xsl:if>
<xsl:if test="$nd/@id">
<xsl:attribute name="targetptr">
<xsl:value-of select="$nd/@id"/>
</xsl:attribute>
</xsl:if>
<xsl:if test="$nd/@lang">
<xsl:attribute name="lang">
<xsl:value-of select="$nd/@lang"/>
</xsl:attribute>
</xsl:if>
</xsl:template>
<xsl:template name="div">
<xsl:param name="nd" select="."/>
<div>
<xsl:call-template name="attrs">
<xsl:with-param name="nd" select="$nd"/>
</xsl:call-template>
<ttl>
<xsl:apply-templates select="$nd" mode="title.markup">
<xsl:with-param name="verbose" select="0"/>
</xsl:apply-templates>
</ttl>
<xreftext>
<xsl:choose>
<xsl:when test="$nd/@xreflabel">
<xsl:call-template name="xref.xreflabel">
<xsl:with-param name="target" select="$nd"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="$nd" mode="xref-to">
<xsl:with-param name="verbose" select="0"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</xreftext>
<xsl:apply-templates mode="olink.mode"/>
</div>
</xsl:template>
<xsl:template name="obj">
<xsl:param name="nd" select="."/>
<obj>
<xsl:call-template name="attrs">
<xsl:with-param name="nd" select="$nd"/>
</xsl:call-template>
<ttl>
<xsl:apply-templates select="$nd" mode="title.markup">
<xsl:with-param name="verbose" select="0"/>
</xsl:apply-templates>
</ttl>
<xreftext>
<xsl:choose>
<xsl:when test="$nd/@xreflabel">
<xsl:call-template name="xref.xreflabel">
<xsl:with-param name="target" select="$nd"/>
</xsl:call-template>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="$nd" mode="xref-to">
<xsl:with-param name="verbose" select="0"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</xreftext>
</obj>
</xsl:template>
<xsl:template match="text()|processing-instruction()|comment()"
mode="olink.mode">
<!-- nop -->
</xsl:template>
<!--
<xsl:template match="*" mode="olink.mode">
</xsl:template>
-->
<xsl:template match="set" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="book" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="preface|chapter|appendix" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="part|reference" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="article" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="bibliography|bibliodiv" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="biblioentry|bibliomixed" mode="olink.mode">
<xsl:call-template name="obj"/>
</xsl:template>
<xsl:template match="refentry" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="section|sect1|sect2|sect3|sect4|sect5" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="refsection|refsect1|refsect2|refsect3" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="figure|example|table" mode="olink.mode">
<xsl:call-template name="obj"/>
</xsl:template>
<xsl:template match="equation[title]" mode="olink.mode">
<xsl:call-template name="obj"/>
</xsl:template>
<xsl:template match="qandaset|qandaentry" mode="olink.mode">
<xsl:call-template name="div"/>
</xsl:template>
<xsl:template match="*" mode="olink.mode">
<xsl:if test="@id">
<xsl:call-template name="obj"/>
</xsl:if>
<xsl:apply-templates mode="olink.mode"/>
</xsl:template>
</xsl:stylesheet>
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