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<?xml version="1.0"?>
<!--
dita-refentry-flat-to-single-topic.xsl:
XSLT stylesheet for help converting a flat DITA manual page with nested
topic elements into individual topics and a map file for including them
in the right order.
-->
<!--
Copyright (C) 2023 Oracle and/or its affiliates.
This file is part of VirtualBox base platform packages, as
available from https://www.virtualbox.org.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, in version 3 of the
License.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <https://www.gnu.org/licenses>.
SPDX-License-Identifier: GPL-3.0-only
-->
<xsl:stylesheet
version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
>
<xsl:output method="xml" version="1.0" encoding="utf-8" indent="no"/>
<xsl:preserve-space elements="*"/>
<!-- xsl:strip-space elements="*"/ - never -->
<!-- Script parameters: -->
<xsl:param name="g_sMode" select="not-specified"/>
<xsl:param name="g_idTopic" select="not-specified"/>
<!--
Process root element according to g_sMode.
-->
<xsl:template match="/">
<xsl:choose>
<!-- map file -->
<xsl:when test="$g_sMode = 'map'">
<xsl:text disable-output-escaping='yes'><!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
</xsl:text>
<xsl:element name="map" >
<xsl:element name="title">
<xsl:value-of select="/topic/title"/>
</xsl:element>
<xsl:apply-templates mode="map"/>
</xsl:element>
</xsl:when>
<!-- topic extraction -->
<xsl:when test="$g_sMode = 'topic'">
<xsl:text disable-output-escaping='yes'><!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd">
</xsl:text>
<xsl:apply-templates mode="topic" select="//topic[@id = $g_idTopic]"/>
</xsl:when>
<!-- Bad mode parameter: -->
<xsl:otherwise>
<xsl:message terminate="yes">Invalid g_sMode value!"</xsl:message>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!--
map: Default operation is to supress all output, except for topic elements
which are transformed to topicref.
-->
<xsl:template match="node()|@*" mode="map">
<xsl:apply-templates mode="map"/>
</xsl:template>
<xsl:template match="topic" mode="map">
<xsl:element name="topicref">
<xsl:attribute name="href">
<xsl:value-of select="concat(@id,'.dita')"/>
</xsl:attribute>
<xsl:if test="count(./ancestor::*) != 0">
<xsl:attribute name="toc">no</xsl:attribute>
</xsl:if>
<xsl:apply-templates mode="map"/>
</xsl:element>
</xsl:template>
<!--
topic: Default action is to copy everything except non-matching topic elements
We suppress class, domains and xmlns attributes in a hackish way here,
because the xmlns:ditaarch stuff confuses 1.8.5 (making it hang)...
-->
<xsl:template match="node()" mode="topic">
<xsl:copy>
<xsl:apply-templates mode="topic" select="@*|node()"/>
</xsl:copy>
</xsl:template>
<xsl:template match="@*" mode="topic">
<!-- xsl:message>dbg: @*: name()='<xsl:value-of select="name()"/></xsl:message -->
<xsl:if test="name() != 'class' and name() != 'ditaarch:DITAArchVersion' and name() != 'domains' ">
<xsl:copy/>
</xsl:if>
</xsl:template>
<xsl:template match="topic" mode="topic">
<xsl:if test="@id = $g_idTopic">
<xsl:element name="topic">
<xsl:apply-templates mode="topic" select="node()|@*"/>
</xsl:element>
</xsl:if>
</xsl:template>
</xsl:stylesheet>
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