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<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:str="http://exslt.org/strings"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:nixos="tag:nixos.org"
xmlns="http://docbook.org/ns/docbook"
extension-element-prefixes="str"
>
<xsl:output method='xml' encoding="UTF-8" />
<xsl:param name="revision" />
<xsl:param name="documentType" />
<xsl:param name="program" />
<xsl:param name="variablelistId" />
<xsl:param name="optionIdPrefix" />
<xsl:template match="/expr/list">
<xsl:choose>
<xsl:when test="$documentType = 'appendix'">
<appendix xml:id="appendix-configuration-options">
<title>Configuration Options</title>
<xsl:call-template name="variable-list"/>
</appendix>
</xsl:when>
<xsl:otherwise>
<xsl:call-template name="variable-list"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="variable-list">
<variablelist>
<xsl:attribute name="id" namespace="http://www.w3.org/XML/1998/namespace"><xsl:value-of select="$variablelistId"/></xsl:attribute>
<xsl:for-each select="attrs">
<xsl:variable name="id" select="
concat($optionIdPrefix,
translate(
attr[@name = 'name']/string/@value,
'*< >[]:"',
'________'
))" />
<varlistentry>
<term xlink:href="#{$id}">
<xsl:attribute name="xml:id"><xsl:value-of select="$id"/></xsl:attribute>
<option>
<xsl:value-of select="attr[@name = 'name']/string/@value" />
</option>
</term>
<listitem>
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'description']/string/@value" />
<xsl:if test="attr[@name = 'type']">
<para>
<emphasis>Type:</emphasis>
<xsl:text> </xsl:text>
<xsl:value-of select="attr[@name = 'type']/string/@value"/>
<xsl:if test="attr[@name = 'readOnly']/bool/@value = 'true'">
<xsl:text> </xsl:text>
<emphasis>(read only)</emphasis>
</xsl:if>
</para>
</xsl:if>
<xsl:if test="attr[@name = 'default-db']">
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'default-db']/string/@value" />
</xsl:if>
<xsl:if test="attr[@name = 'example-db']">
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'example-db']/string/@value" />
</xsl:if>
<xsl:if test="attr[@name = 'relatedPackages']">
<para>
<emphasis>Related packages:</emphasis>
</para>
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'relatedPackages']/string/@value" />
</xsl:if>
<xsl:if test="count(attr[@name = 'declarations']/list/*) != 0">
<para>
<emphasis>Declared by:</emphasis>
</para>
<xsl:apply-templates select="attr[@name = 'declarations']" />
</xsl:if>
<xsl:if test="count(attr[@name = 'definitions']/list/*) != 0">
<para>
<emphasis>Defined by:</emphasis>
</para>
<xsl:apply-templates select="attr[@name = 'definitions']" />
</xsl:if>
</listitem>
</varlistentry>
</xsl:for-each>
</variablelist>
</xsl:template>
<xsl:template match="attrs[attr[@name = '_type' and string[@value = 'literalDocBook']]]" mode = "top">
<xsl:value-of disable-output-escaping="yes" select="attr[@name = 'text']/string/@value" />
</xsl:template>
<xsl:template match="attr[@name = 'declarations' or @name = 'definitions']">
<simplelist>
<!--
Example:
opt.declarations = [ { name = "foo/bar.nix"; url = "https://github.com/....."; } ];
-->
<xsl:for-each select="list/attrs[attr[@name = 'name']]">
<member><filename>
<xsl:if test="attr[@name = 'url']">
<xsl:attribute name="xlink:href"><xsl:value-of select="attr[@name = 'url']/string/@value"/></xsl:attribute>
</xsl:if>
<xsl:value-of select="attr[@name = 'name']/string/@value"/>
</filename></member>
</xsl:for-each>
<!--
When the declarations/definitions are raw strings,
fall back to hardcoded location logic, specific to Nixpkgs.
-->
<xsl:for-each select="list/string">
<member><filename>
<!-- Hyperlink the filename either to the NixOS Subversion
repository (if it’s a module and we have a revision number),
or to the local filesystem. -->
<xsl:choose>
<xsl:when test="not(starts-with(@value, '/'))">
<xsl:choose>
<xsl:when test="$revision = 'local'">
<xsl:attribute name="xlink:href">https://github.com/NixOS/nixpkgs/blob/master/<xsl:value-of select="@value"/></xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="xlink:href">https://github.com/NixOS/nixpkgs/blob/<xsl:value-of select="$revision"/>/<xsl:value-of select="@value"/></xsl:attribute>
</xsl:otherwise>
</xsl:choose>
</xsl:when>
<xsl:when test="$revision != 'local' and $program = 'nixops' and contains(@value, '/nix/')">
<xsl:attribute name="xlink:href">https://github.com/NixOS/nixops/blob/<xsl:value-of select="$revision"/>/nix/<xsl:value-of select="substring-after(@value, '/nix/')"/></xsl:attribute>
</xsl:when>
<xsl:otherwise>
<xsl:attribute name="xlink:href">file://<xsl:value-of select="@value"/></xsl:attribute>
</xsl:otherwise>
</xsl:choose>
<!-- Print the filename and make it user-friendly by replacing the
/nix/store/<hash> prefix by the default location of nixos
sources. -->
<xsl:choose>
<xsl:when test="not(starts-with(@value, '/'))">
<nixpkgs/<xsl:value-of select="@value"/>>
</xsl:when>
<xsl:when test="contains(@value, 'nixops') and contains(@value, '/nix/')">
<nixops/<xsl:value-of select="substring-after(@value, '/nix/')"/>>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="@value" />
</xsl:otherwise>
</xsl:choose>
</filename></member>
</xsl:for-each>
</simplelist>
</xsl:template>
</xsl:stylesheet>
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