Began work in news2rss-template
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Martin Byrenheid
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5484446574
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<?xml version="1.0" encoding="utf-8"?>
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<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:date="http://exslt.org/dates-and-times"
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xmlns:content="http://purl.org/rss/1.0/modules/content/"
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xmlns:atom="http://www.w3.org/2005/Atom"
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exclude-result-prefixes="xsl date">
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<xsl:output method="xml"
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version="1.0"
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encoding="utf-8"
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indent="yes"/>
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<xsl:include href="news2rss.xsl" />
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<xsl:param name="archivefeed"/>
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<xsl:template name="main">
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<channel>
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<title>www.c3d2.de Newsfeed</title>
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<link>http://www.c3d2.de/</link>
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<description>Neues aus dem Chaos Computer Club Dresden</description>
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<language>de-de</language>
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<image>
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<title>Chaosknoten</title>
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<url><xsl:value-of select="$baseurl"/>images/ck.png</url>
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<link>http://www.c3d2.de/</link>
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</image>
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<xsl:if test="$archivefeed">
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<atom:link rel="prev-archive" href="{$archivefeed}"/>
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</xsl:if>
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<!-- Insert the actual rss entries, provided by
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news2rss-template -->
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<xsl:call-template name="rss_entries">
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<xsl:with-param name="prefix" select="$prefix" />
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</xsl:call-template>
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</channel>
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</xsl:template>
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</xsl:stylesheet>
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General concept:
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- (TBD) Structure of XML-files is predefined by the
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DTDs in the dtd-folder, which contains all the entities
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supported by the framework.
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- Basic transformations offered by framework
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-> offer general-purpose transformations
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-> located in transformation
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- Domain-specific XSL-Templates (e.g. html.xsl, rss.xsl)
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-> should normally only include a template with name "main", which contains
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the basic domain-specific structure for the created objects of this type
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-> located in content/<mydomain>/templates
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-> definition of own templates is possible, but may cause name collisions with
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the imported templates provided by the framework
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-> each template may include the appropriate transformation template
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from the framework and use the provided templates
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Process for final formats (such as html or rss):
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1. Transformation initiated by calling "xsltproc $PATHS {html,rss}.xsl <mydocument>.xml
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2. Framework-included template matches root element, may do some preparations (as in news2rss.xsl)
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and call the "main"-template.
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3. The "main"-template defines the common structure and calls the needed templates
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provided by the framework at the needed places.
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Changelog to master (besides new architecture):
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news2rss:
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- Transformation of <item>:
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-> removed insertion of <author> and <category> to make code more generic
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-> <author> may in future be taken directly from the @author-attribute in the xml-file
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<?xml version="1.0" encoding="utf-8"?>
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<xsl:stylesheet version="1.0"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:date="http://exslt.org/dates-and-times"
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xmlns:content="http://purl.org/rss/1.0/modules/content/"
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xmlns:atom="http://www.w3.org/2005/Atom"
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exclude-result-prefixes="xsl date">
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<xsl:output method="xml"
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version="1.0"
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encoding="utf-8"
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indent="yes"/>
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<!--
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# Starting point
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# ==============
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#
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# Matches root and calls the
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# main-Template defined within the
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# application-specific template.
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-->
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<xsl:template match="news">
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<xsl:element name="rss">
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<xsl:attribute name="version">2.0</xsl:attribute>
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<!--xsl:attribute name="xml:lang">de</xsl:attribute-->
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<!-- include domain-specific channel description -->
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<xsl:call-template name="main" />
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</xsl:element>
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</xsl:template>
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<!--
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# Interface templates
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# ===================
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#
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# To be used by the application-specific
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# xsl-template.
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-->
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<xsl:template name="rss_entries">
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<xsl:param name="prefix" />
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<!-- TODO: Insert "now": <pubDate><xsl:value-of select="news/item/@date"/></pubDate> -->
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<xsl:for-each select="newsfile">
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<xsl:sort select="date:seconds(document(.)/item/@date)" data-type="number" order="descending" />
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<xsl:variable name="newsfile" select="."/>
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<xsl:if test="(position() <= $maxitems) and
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starts-with(substring-after(substring-after($newsfile, '/'), '/'), $prefix)">
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<xsl:apply-templates select="document(.)/item">
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<xsl:with-param name="newsfile" select="$newsfile"/>
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</xsl:apply-templates>
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</xsl:if>
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</xsl:for-each>
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</xsl:template>
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<!--
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# Additional templates
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# ====================
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#
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-->
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<!--
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# Template to transform an item into an rss-entry.
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-->
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<xsl:template match="item">
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<xsl:param name="newsfile"/>
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<item>
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<xsl:variable name="href">
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<xsl:value-of select="$baseurl"/>
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<xsl:value-of select="substring-before(substring-after($newsfile, 'content/'), '.xml')"/>
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<xsl:text>.html</xsl:text>
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</xsl:variable>
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<title><xsl:value-of select="@title"/></title>
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<description>
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<xsl:text disable-output-escaping="yes"><![CDATA[</xsl:text>
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<div xmlns="http://www.w3.org/1999/xhtml">
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<xsl:apply-templates select="document($newsfile)/item/*"/>
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</div>
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<xsl:text disable-output-escaping="yes">]]></xsl:text>
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</description>
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<link><xsl:value-of select="$href"/></link>
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<!--
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TODO:
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Jemand mit iTunes (erhältlich für OSX und Windows)
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muss mal die itunes-extensions einbauen:
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http://www.apple.com/itunes/podcasts/techspecs.html
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-->
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<xsl:for-each select=".//*[name() = 'resource' or name() = 'alternative']">
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<xsl:variable name="resource_href">
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<xsl:call-template name="make-href">
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<xsl:with-param name="href" select="@url"/>
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</xsl:call-template>
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</xsl:variable>
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<enclosure url="{$resource_href}"
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length="{@size}"
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type="{@type}" />
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</xsl:for-each>
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<guid isPermaLink="true"><xsl:value-of select="$href"/></guid>
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<pubDate>
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<xsl:call-template name="date-to-rfc822">
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<xsl:with-param name="date" select="@date"/>
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</xsl:call-template>
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</pubDate>
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<content:encoded>
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<xsl:text disable-output-escaping="yes"><![CDATA[</xsl:text>
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<div xmlns="http://www.w3.org/1999/xhtml">
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<xsl:apply-templates select="document($newsfile)/item/*"/>
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</div>
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<xsl:text disable-output-escaping="yes">]]></xsl:text>
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</content:encoded>
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<xsl:variable name="flattr_link">
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<xsl:call-template name="make-flattr-link">
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<xsl:with-param name="newsfile" select="$newsfile"/>
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</xsl:call-template>
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</xsl:variable>
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<xsl:if test="string-length($flattr_link) > 0">
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<atom:link rel="payment" href="{$flattr_link}" type="text/html"/>
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</xsl:if>
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<xsl:copy-of select="resource/sc:chapters"
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xmlns:sc="http://podlove.de/simple-chapters"/>
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</item>
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</xsl:template>
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</xsl:stylesheet>
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