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virtualbox/doc/manual/docbook-changelog-to-manual-dita.xsl
Daniel Baumann 2b3ba1f3e4
Merging upstream version 7.1.8-dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-24 20:41:59 +02:00

246 lines
8.7 KiB
XML

<?xml version="1.0"?>
<!--
docbook-changelog-to-manual-dita.xsl:
XSLT stylesheet for converting the change log from DocBook to Dita.
-->
<!--
Copyright (C) 2006-2024 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"
xmlns:str="http://xsltsl.org/string"
>
<xsl:import href="string.xsl"/>
<xsl:import href="common-formatcfg.xsl"/>
<xsl:output method="xml" version="1.0" encoding="utf-8" indent="yes"/>
<xsl:strip-space elements="*"/>
<!-- - - - - - - - - - - - - - - - - - - - - - -
parameters
- - - - - - - - - - - - - - - - - - - - - - -->
<!-- What to do: 'map' for producing a ditamap with all the version,
or 'topic' for producing a single topic (version). -->
<xsl:param name="g_sMode">not specified</xsl:param>
<!-- The id of the topic to convert in 'topic' mode. -->
<xsl:param name="g_idTopic">not specified</xsl:param>
<!-- - - - - - - - - - - - - - - - - - - - - - -
base operation is to fail on nodes w/o explicit matching.
- - - - - - - - - - - - - - - - - - - - - - -->
<xsl:template match="*">
<xsl:message terminate="yes"><xsl:call-template name="error-prefix"/>unhandled element</xsl:message>
</xsl:template>
<!-- - - - - - - - - - - - - - - - - - - - - - -
Match the root element (chapter) and prodcess it's sect1 entries according to the mode.
- - - - - - - - - - - - - - - - - - - - - - -->
<xsl:template match="/chapter">
<xsl:choose>
<!-- map: Generate a ditamap for all the versions. -->
<xsl:when test="$g_sMode = 'map'">
<xsl:text disable-output-escaping='yes'>&lt;!DOCTYPE map PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd"&gt;
</xsl:text>
<xsl:element name="map" >
<xsl:element name="title"><xsl:text>Change Log</xsl:text></xsl:element>
<xsl:for-each select="./sect1">
<xsl:element name="topicref">
<xsl:attribute name="href">
<xsl:call-template name="changelog-title-to-filename"/>
</xsl:attribute>
</xsl:element>
</xsl:for-each>
</xsl:element>
</xsl:when>
<!-- topic: Translate a topic (version) to DITA. -->
<xsl:when test="$g_sMode = 'topic'">
<xsl:for-each select="./sect1">
<xsl:variable name="sId">
<xsl:call-template name="changelog-title-to-id"/>
</xsl:variable>
<xsl:if test="$sId = $g_idTopic">
<xsl:text disable-output-escaping='yes'>&lt;!DOCTYPE topic PUBLIC "-//OASIS//DTD DITA Topic//EN" "topic.dtd"&gt;
</xsl:text>
<xsl:element name="topic">
<xsl:attribute name="id">
<xsl:value-of select="$sId" />
</xsl:attribute>
<xsl:element name="title">
<xsl:value-of select="title/text()"/>
</xsl:element>
<xsl:element name="body">
<xsl:apply-templates mode="topic" select="*"/>
</xsl:element>
</xsl:element>
</xsl:if>
</xsl:for-each>
</xsl:when>
<!-- ids: List of IDs (text, not xml - ugly). -->
<xsl:when test="$g_sMode = 'ids'">
<xsl:for-each select="./sect1">
<xsl:variable name="sId">
<xsl:call-template name="changelog-title-to-id"/>
</xsl:variable>
<xsl:value-of disable-output-escaping='yes' select="concat($sId, '&#x0a;')"/>
</xsl:for-each>
</xsl:when>
<!-- Otherwise: bad input -->
<xsl:otherwise>
<xsl:message terminate="yes">Unknown g_sMode value: '<xsl:value-of select="$g_sMode"/></xsl:message>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<!-- - - - - - - - - - - - - - - - - - - - - - -
Section translation to topic.
- - - - - - - - - - - - - - - - - - - - - - -->
<xsl:template mode="topic" match="sect1/title">
<xsl:if test="*">
<xsl:message terminate="yes"><xsl:call-template name="error-prefix"/>Unexpected title child elements!</xsl:message>
</xsl:if>
<!-- already generated, so we only need to assert sanity and skip it. -->
</xsl:template>
<xsl:template mode="topic" match="para">
<xsl:element name="p">
<xsl:apply-templates mode="topic" select="node()|@*"/>
</xsl:element>
</xsl:template>
<xsl:template mode="topic" match="para/text()">
<xsl:value-of select="."/>
</xsl:template>
<xsl:template mode="topic" match="itemizedlist">
<xsl:element name="ul">
<xsl:apply-templates mode="topic" select="node()|@*"/>
</xsl:element>
</xsl:template>
<xsl:template mode="topic" match="listitem">
<xsl:element name="li">
<xsl:apply-templates mode="topic" select="node()|@*"/>
</xsl:element>
</xsl:template>
<!-- - - - - - - - - - - - - - - - - - - - - - -
Helper functions.
- - - - - - - - - - - - - - - - - - - - - - -->
<!-- Extracts the version part of a changelog section title. -->
<xsl:template name="get-version-from-changelog-title">
<xsl:param name="sTitle" select="./title/text()"/>
<xsl:variable name="sAfterVersion" select="normalize-space(substring-after($sTitle, 'Version '))"/>
<xsl:variable name="sVersion" select="substring-before($sAfterVersion, ' (')"/>
<xsl:if test="$sVersion = ''">
<xsl:message terminate="yes"><xsl:call-template name="error-prefix"/>Unable to extract version from section title!</xsl:message>
</xsl:if>
<xsl:value-of select="$sVersion"/>
</xsl:template>
<!-- Outputs an id for a changelog section based on the title. -->
<xsl:template name="changelog-title-to-id">
<xsl:param name="sTitle" select="./title/text()"/>
<xsl:text>changelog-version-</xsl:text>
<xsl:variable name="sVersion">
<xsl:call-template name="get-version-from-changelog-title">
<xsl:with-param name="sTitle" select="$sTitle"/>
</xsl:call-template>
</xsl:variable>
<xsl:value-of select="translate($sVersion, '.', '_')"/>
</xsl:template>
<!-- Outputs a filename for a changelog section based on the title. -->
<xsl:template name="changelog-title-to-filename">
<xsl:param name="sTitle" select="./title/text()"/>
<xsl:call-template name="changelog-title-to-id">
<xsl:with-param name="sTitle" select="$sTitle"/>
</xsl:call-template>
<xsl:text>.dita</xsl:text>
</xsl:template>
<!--
Debug/Diagnostics: Return the path to the specified node (by default the current).
-->
<xsl:template name="get-node-path">
<xsl:param name="Node" select="."/>
<xsl:for-each select="$Node">
<xsl:for-each select="ancestor-or-self::node()">
<xsl:choose>
<xsl:when test="name(.) = ''">
<xsl:value-of select="concat('/text(',')')"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat('/', name(.))"/>
<xsl:choose>
<xsl:when test="@id">
<xsl:text>[@id=</xsl:text>
<xsl:value-of select="@id"/>
<xsl:text>]</xsl:text>
</xsl:when>
<xsl:otherwise>
<!-- Use generate-id() to find the current node position among its siblings. -->
<xsl:variable name="id" select="generate-id(.)"/>
<xsl:for-each select="../node()">
<xsl:if test="generate-id(.) = $id">
<xsl:text>[</xsl:text><xsl:value-of select="position()"/><xsl:text>]</xsl:text>
</xsl:if>
</xsl:for-each>
</xsl:otherwise>
</xsl:choose>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
</xsl:template>
<!--
Debug/Diagnostics: Return error message prefix.
-->
<xsl:template name="error-prefix">
<xsl:param name="Node" select="."/>
<xsl:text>error: </xsl:text>
<xsl:call-template name="get-node-path">
<xsl:with-param name="Node" select="$Node"/>
</xsl:call-template>
<xsl:text>: </xsl:text>
</xsl:template>
</xsl:stylesheet>