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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:param name="revision" />
<xsl:template match="/expr/list">
<variablelist>
<xsl:for-each select="attrs">
<xsl:variable name="id" select="concat('opt-', str:replace(str:replace(str:replace(str:replace(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>
<para>
<xsl:value-of disable-output-escaping="yes"
select="attr[@name = 'description']/string/@value" />
</para>
<xsl:if test="attr[@name = 'default']">
<para>
<emphasis>Default:</emphasis>
<xsl:text> </xsl:text>
<xsl:apply-templates select="attr[@name = 'default']" mode="top" />
</para>
</xsl:if>
<xsl:if test="attr[@name = 'example']">
<para>
<emphasis>Example:</emphasis>
<xsl:text> </xsl:text>
<xsl:choose>
<xsl:when test="attr[@name = 'example']/attrs[attr[@name = '_type' and string[@value = 'literalExample']]]">
<programlisting><xsl:value-of select="attr[@name = 'example']/attrs/attr[@name = 'text']/string/@value" /></programlisting>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="attr[@name = 'example']" mode="top" />
</xsl:otherwise>
</xsl:choose>
</para>
</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="*" mode="top">
<xsl:choose>
<xsl:when test="string[contains(@value, '
')]">
<programlisting>
<xsl:text>''
</xsl:text><xsl:value-of select='str:replace(string/@value, "${", "''${")' /><xsl:text>''</xsl:text></programlisting>
</xsl:when>
<xsl:otherwise>
<literal><xsl:apply-templates /></literal>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="null">
<xsl:text>null</xsl:text>
</xsl:template>
<xsl:template match="string">
<xsl:choose>
<xsl:when test="(contains(@value, '"') or contains(@value, '\')) and not(contains(@value, '
'))">
<xsl:text>''</xsl:text><xsl:value-of select='str:replace(@value, "${", "''${")' /><xsl:text>''</xsl:text>
</xsl:when>
<xsl:otherwise>
<xsl:text>"</xsl:text><xsl:value-of select="str:replace(str:replace(str:replace(str:replace(@value, '\', '\\'), '"', '\"'), '
', '\n'), '$', '\$')" /><xsl:text>"</xsl:text>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template match="int">
<xsl:value-of select="@value" />
</xsl:template>
<xsl:template match="bool[@value = 'true']">
<xsl:text>true</xsl:text>
</xsl:template>
<xsl:template match="bool[@value = 'false']">
<xsl:text>false</xsl:text>
</xsl:template>
<xsl:template match="list">
[
<xsl:for-each select="*">
<xsl:apply-templates select="." />
<xsl:text> </xsl:text>
</xsl:for-each>
]
</xsl:template>
<xsl:template match="attrs[attr[@name = '_type' and string[@value = 'literalExample']]]">
<xsl:value-of select="attr[@name = 'text']/string/@value" />
</xsl:template>
<xsl:template match="attrs">
{
<xsl:for-each select="attr">
<xsl:value-of select="@name" />
<xsl:text> = </xsl:text>
<xsl:apply-templates select="*" /><xsl:text>; </xsl:text>
</xsl:for-each>
}
</xsl:template>
<xsl:template match="derivation">
<replaceable>(build of <xsl:value-of select="attr[@name = 'name']/string/@value" />)</replaceable>
</xsl:template>
<xsl:template match="attr[@name = 'declarations' or @name = 'definitions']">
<simplelist>
<xsl:for-each select="list/string">
<member><filename>
<!-- Hyperlink the filename either to the NixOS Subversion
repository (if it’s a module and we have a revision number),
or to the local filesystem. -->
<xsl:choose>
<xsl:when test="not(starts-with(@value, '/'))">
<xsl:choose>
<xsl:when test="$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 contains(@value, '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:template match="function">
<xsl:text>λ</xsl:text>
</xsl:template>
</xsl:stylesheet>
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