nixpkgs/doc/manual/options-to-docbook.xsl

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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="http://docbook.org/ns/docbook"
extension-element-prefixes="str"
>
<xsl:output method='xml' encoding="UTF-8" />
<xsl:template match="/expr/list">
<chapter xml:id="ch-options">
<title>List of Options</title>
<variablelist>
<xsl:for-each select="attrs">
<varlistentry>
<term>
<option>
<xsl:for-each select="attr[@name = 'name']/string">
<xsl:value-of select="@value" />
<xsl:if test="position() != last()">.</xsl:if>
</xsl:for-each>
</option>
</term>
<listitem>
<para>
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'description']/string/@value" />
</para>
<para>
<emphasis>Default:</emphasis>
<xsl:choose>
<xsl:when test="attr[@name = 'default']">
<literal>
<xsl:apply-templates select="attr[@name = 'default']" />
</literal>
</xsl:when>
<xsl:otherwise>
none
</xsl:otherwise>
</xsl:choose>
</para>
<xsl:if test="attr[@name = 'example']">
<para>
<emphasis>Example:</emphasis>
<literal>
<xsl:apply-templates select="attr[@name = 'example']" />
</literal>
</para>
</xsl:if>
</listitem>
</varlistentry>
</xsl:for-each>
</variablelist>
</chapter>
</xsl:template>
<xsl:template match="string">
<!-- !!! escaping -->
"<xsl:value-of select="@value" />"
</xsl:template>
<xsl:template match="int">
<xsl:value-of select="@value" />
</xsl:template>
<xsl:template match="bool[@value = 'true']">
true
</xsl:template>
<xsl:template match="bool[@value = 'false']">
false
</xsl:template>
<xsl:template match="list">
[
<xsl:for-each select="*">
<xsl:apply-templates select="." />
<xsl:text> </xsl:text>
</xsl:for-each>
]
</xsl:template>
<xsl:template match="attrs">
{
<xsl:for-each select="attr">
<xsl:value-of select="@name" />
<xsl:text> = </xsl:text>
<xsl:apply-templates select="*" />
<xsl:text>; </xsl:text>
</xsl:for-each>
}
</xsl:template>
<xsl:template match="derivation">
<xsl:choose>
<xsl:when test="attr[@name = 'url']/string/@value">
<emphasis>(download of <xsl:value-of select="attr[@name = 'url']/string/@value" />)</emphasis>
</xsl:when>
<xsl:otherwise>
<emphasis>(build of <xsl:value-of select="attr[@name = 'name']/string/@value" />)</emphasis>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
</xsl:stylesheet>