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srm-rss.xsl
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srm-rss.xsl
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<?xml version="1.0"?>
<!DOCTYPE stylesheet [
<!-- Page location, without trailing '/' -->
<!ENTITY base-uri "http://www.dcache.org/downloads/1.9/srm" >
<!-- Arbirary URI prefix for building GUID -->
<!ENTITY guid-prefix "http://www.dcache.org/" >
<!-- Location of the feed image -->
<!ENTITY rss-icon-uri "http://www.dcache.org/images/dCache+rss.png" >
<!-- Name of all releases feed -->
<!ENTITY all-feeds-filename "srm/rss-all-releases.xml">
]>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:date="http://exslt.org/dates-and-times"
xmlns:exsl="http://exslt.org/common"
extension-element-prefixes="date exsl">
<xsl:output method="xml"
cdata-section-elements="description"/>
<xsl:template match="/">
<xsl:call-template name="build-all-releases-feed"/>
<xsl:call-template name="build-each-series-feed"/>
</xsl:template>
<xsl:template name="build-all-releases-feed">
<exsl:document href="&all-feeds-filename;">
<xsl:apply-templates select="/" mode="emit-rss-contents"/>
</exsl:document>
</xsl:template>
<xsl:template name="build-each-series-feed">
<xsl:apply-templates select="download-page/series" mode="emit-feed"/>
</xsl:template>
<xsl:template match="series" mode="emit-feed">
<exsl:document href="{concat('srm/rss-',@id,'-releases.xml')}">
<xsl:apply-templates select="/" mode="emit-rss-contents">
<xsl:with-param name="id" select="@id"/>
</xsl:apply-templates>
</exsl:document>
</xsl:template>
<xsl:template match="download-page" mode="emit-rss-contents">
<xsl:param name="id"/>
<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom">
<channel>
<xsl:choose>
<xsl:when test="$id">
<xsl:variable name="title-text"
select="concat('dCache ', series[@id=$id]/title)"/>
<xsl:variable name="link-url" select="concat('&base-uri;#',$id)"/>
<image>
<url>&rss-icon-uri;</url>
<title><xsl:value-of select="$title-text"/></title>
<link><xsl:value-of select="$link-url"/></link>
</image>
<title><xsl:value-of select="$title-text"/></title>
<link><xsl:value-of select="$link-url"/></link>
<atom:link href="{concat('&base-uri;/rss-',$id,'-releases.xml')}"
rel="self" type="application/rss+xml" />
<description>
<xsl:apply-templates select="series[@id=$id]/description/*" mode="emit.as.html"/>
</description>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="title-text" select="'SRM releases'"/>
<image>
<url>&rss-icon-uri;</url>
<title><xsl:value-of select="$title-text"/></title>
<link>&base-uri;</link>
</image>
<title><xsl:value-of select="$title-text"/></title>
<link>&base-uri;</link>
<atom:link href="&base-uri;/&all-feeds-filename;"
rel="self" type="application/rss+xml" />
<description>
Aggregation of release news for all dCache software on
<a href="&base-uri;">this page</a>.
</description>
</xsl:otherwise>
</xsl:choose>
<language>en</language>
<lastBuildDate><xsl:call-template name="rfc822-date"/></lastBuildDate>
<xsl:choose>
<xsl:when test="$id">
<xsl:apply-templates select="series[@id=$id]/releases/release"
mode="emit-rss-contents">
<!-- sort by year -->
<xsl:sort select="substring-after(substring-after(date, '.'), '.')"
order="descending"
data-type="number"/>
<!-- sort by month -->
<xsl:sort select="substring-before(substring-after(date, '.'), '.')"
order="descending"
data-type="number"/>
<!-- sort by day -->
<xsl:sort select="substring-before(date, '.')"
order="descending"
data-type="number"/>
</xsl:apply-templates>
</xsl:when>
<xsl:otherwise>
<xsl:apply-templates select="series/releases/release"
mode="emit-rss-contents">
<!-- sort by year -->
<xsl:sort select="substring-after(substring-after(date, '.'), '.')"
order="descending"
data-type="number"/>
<!-- sort by month -->
<xsl:sort select="substring-before(substring-after(date, '.'), '.')"
order="descending"
data-type="number"/>
<!-- sort by day -->
<xsl:sort select="substring-before(date, '.')"
order="descending"
data-type="number"/>
</xsl:apply-templates>
</xsl:otherwise>
</xsl:choose>
</channel>
</rss>
</xsl:template>
<xsl:template match="release" mode="emit-rss-contents">
<xsl:variable name="version" select="concat(../version-prefix,@version)"/>
<xsl:variable name="name">
<xsl:call-template name="expand-version">
<xsl:with-param name="string" select="../name"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="notes-filename">
<xsl:call-template name="get-notes-filename"/>
</xsl:variable>
<xsl:variable name="notes-url"
select="concat('&base-uri;/', $notes-filename)"/>
<xsl:variable name="release-anchor-url"
select="concat('&base-uri;/#', ../../@id, '-', @version)"/>
<item>
<link><xsl:value-of select="$release-anchor-url"/></link>
<guid>&guid-prefix;<xsl:value-of select="concat(../../@id,'/',$version)"/></guid>
<title>Release of <xsl:value-of select="$name"/></title>
<pubDate>
<xsl:call-template name="rfc822-date">
<xsl:with-param name="date">
<xsl:call-template name="emit-iso-time"/>
</xsl:with-param>
</xsl:call-template>
</pubDate>
<description>
Announcing the release of <xsl:value-of select="$name"/>.
This software release is available for download as
<xsl:apply-templates select="package"
mode="packages.list-as-hot-links"/>.
<br>
<br>
For more information about this release, please read the <a
href="<xsl:value-of select="$notes-url"/>">release
notes</a> or visit the <a
href="<xsl:value-of select="$release-anchor-url"/>">download page</a>.
<hr>
The <a href="http://www.dcache.org">dCache.org</a> team.
</description>
</item>
</xsl:template>
<xsl:template match="package" mode="packages.list-as-hot-links">
<xsl:text><a href="</xsl:text>
<xsl:call-template name="build-download-url"/>"><xsl:value-of select="@name"/>
<xsl:text></a></xsl:text>
<xsl:choose>
<xsl:when test="count(following-sibling::package) > 1">
<xsl:text>, </xsl:text>
</xsl:when>
<xsl:when test="count(following-sibling::package) = 1">
<xsl:text> and </xsl:text>
</xsl:when>
<xsl:otherwise/>
</xsl:choose>
</xsl:template>
<xsl:template name="build-download-url">
<xsl:call-template name="expand-version">
<xsl:with-param name="string"
select="concat('&base-uri;/',../../download-url-prefix,download-url)"/>
<xsl:with-param name="version" select="../@version"/>
<xsl:with-param name="version-prefix" select="../../version-prefix"/>
</xsl:call-template>
</xsl:template>
<xsl:template name="expand-version">
<xsl:param name="string"/>
<xsl:param name="version" select="@version"/>
<xsl:param name="version-prefix" select="../version-prefix"/>
<xsl:choose>
<xsl:when test="contains($string,'VERSION')">
<xsl:value-of select="concat(substring-before($string,'VERSION'),
$version-prefix, $version,
substring-after($string, 'VERSION'))"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="$string"/>
</xsl:otherwise>
</xsl:choose>
</xsl:template>
<xsl:template name="get-notes-filename">
<xsl:call-template name="expand-version">
<xsl:with-param name="string">
<xsl:choose>
<xsl:when test="count(package/notes-url) = 1">
<xsl:value-of select="package/notes-url"/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="../notes-url"/>
</xsl:otherwise>
</xsl:choose>
</xsl:with-param>
</xsl:call-template>
</xsl:template>
<xsl:template name="emit-iso-time">
<xsl:variable name="day" select="substring-before(date,'.')"/>
<xsl:variable name="month" select="substring-before(substring-after(date,'.'),'.')"/>
<xsl:variable name="year" select="substring-after(substring-after(date,'.'),'.')"/>
<xsl:value-of select="concat($year, '-', $month, '-', $day, 'T12:00:00')"/>
</xsl:template>
<xsl:template name="rfc822-date">
<xsl:param name="date" select="date:date-time()"/>
<xsl:variable name="isodate" select="date:date-time()"/>
<xsl:value-of select="concat(date:day-abbreviation($date), ', ',
format-number(date:day-in-month($date), '00'), ' ',
date:month-abbreviation($date), ' ', date:year($date), ' ',
format-number(date:hour-in-day($date), '00'), ':',
format-number(date:minute-in-hour($date), '00'), ':',
format-number(date:second-in-minute($date), '00'), ' ',
substring($isodate,string-length($isodate)-5,3),
substring($isodate,string-length($isodate)-1))"/>
</xsl:template>
<xsl:template match="*" mode="emit.as.html">
<xsl:text><</xsl:text>
<xsl:value-of select="name()"/>
<xsl:apply-templates select="attribute::*" mode="emit.html.attributes"/>
<xsl:text>></xsl:text>
<xsl:apply-templates select="*|text()" mode="emit.as.html"/>
<xsl:text></</xsl:text>
<xsl:value-of select="name()"/>
<xsl:text>></xsl:text>
</xsl:template>
<xsl:template match="@*" mode="emit.html.attributes">
<xsl:text> </xsl:text>
<xsl:value-of select="name()"/>
<xsl:text>="</xsl:text>
<xsl:choose>
<xsl:when test="starts-with(., 'http://')">
<xsl:value-of select="."/>
</xsl:when>
<xsl:otherwise>
<xsl:value-of select="concat('&base-uri;/', .)"/>
</xsl:otherwise>
</xsl:choose>
<xsl:text>"</xsl:text>
</xsl:template>
</xsl:stylesheet>